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`SNAP EXHIBIT 1024
`Snap Inc. v. Palo Alto Research Center Inc.
`IPR2021-00987
`
`Page 1 of 29
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`

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`US 6,539,080 B1
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`Page 2
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`U.S. PATENT DOCUMENTS
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`
`
`..cceceeeees 455/414
`11/2001 Elsey et al.
`2001/0041562 Al
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`
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`11/2001 Cox et al. vce 455/565
`2001/0044325 Al
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`
`1/2002 Coxet al. eccececees 455/414
`2002/0004382 Al
`7/2001 Lichter etal. .............. 455/404
`6,256,489 Bl
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`
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`
`
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`6,256,515 BL=7/2001 Cox et al. ose 455/565 2002/0013141 Al 1/2002 Coxett al. vnc 455/409
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` 6,396,920 BL=5/2002 Cox etal. .. 5/2002 Cox etal. ... .. 379/218.02
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` 379/266.02 2002/0057784 A1
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`2001/0012772 Al
`8/2001 Cox etal. ..
`vee 455/406
`2002/0085702 Al
`7/2002: Cox et al. veces 379/218.01
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`
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`2001/0012773 A1
`8/2001 Cox etal. ..
`.. 455/414
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`2001/0014598 Al
`8/2001 Cox et al. o.vceeee 455/406
`* cited by examiner
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`Page 2 of 29
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`Page 2 of 29
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`UOUN00
`Auouda|a|FGoejvouly
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`U.S. Patent
`
`
`
`
`Mar.25, 2003
`
`
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`
`Sheet 1 of 18
`
`OO0000
`
`|HOLIMS
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`
`£
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`PNO|DAOMYaNHulyrMS
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`Page 3 of 29
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`US 6,539,080 B1
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`O1dny
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`NOILYLSHYOM
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`Page 3 of 29
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`U.S. Patent
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`
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`
`Mar.25, 2003
`
`
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`Sheet 2 of 18
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`US 6,539,080 B1
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`Page 4 of 29
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`Page 4 of 29
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`U.S. Patent
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`Mar.25, 2003
`
`
`
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`Sheet 3 of 18
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`US 6,539,080 B1
`
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`Page 5 of 29
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`U.S. Patent
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`Mar.25, 2003
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`Sheet 4 of 18
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`US 6,539,080 B1
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`Page 6 of 29
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`Page 6 of 29
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`

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`U.S. Patent
`
`Mar.25, 2003
`
`Sheet 5 of 18
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`US 6,539,080 B1
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`Page 7 of 29
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`Page 7 of 29
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`

`

`
`U.S. Patent
`
`
`
`Mar.25, 2003
`
`Sheet 6 of 18
`
`
`
`US 6,539,080 B1
`
`OTM
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`Page 8 of 29
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`U.S. Patent
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`
`Mar. 25,2003
`
`
`
`
`Sheet 7 of 18
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`US 6,539,080 B1
`
`
`
`
`
`That is not a
`
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`no
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`1,2,3,4,6,7,8,9,0,*,#
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`IAL
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`,_ Playback paused.
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`To resume playback, say “resume”or press 5.
`
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`playback
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`*Note:Play this message every 30
`
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`seconds. Play this message if bad
`
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`
`
`speech commandsare detected
`
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`
`
`
`When bad speech commandsare
`
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`
`
`
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`
`detected, do not play this message
`
`
`
`
`
`
`more than once every 10 seconds.
`
` Hold for up to 5 minutes.
`
`
`
`
`
`Yourcall is being transferred to
`
`
`
`
`the next available operator.
`
`
`
`
`
`
`
`
`Transfer call to operator
`
`
`
`
`156
`
`Page 9 of 29
`
`
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`
`while
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`
`IGZ
`
`Page 9 of 29
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`

`

`
`U.S. Patent
`
`
`
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`Mar.25, 2003
`
`
`
`
`Sheet 8 of 18
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`US 6,539,080 B1
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`

`

`
`
`o|IUM
`
`fakes
`
`
`U.S. Patent
`
`
`
`Mar.25, 2003
`
`Sheet 9 of 18
`
`
`
`US 6,539,080 B1
`
`(GFNNILNOD)
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`Page 11 of 29
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`Page 11 of 29
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`U.S. Patent
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`Mar. 25, 2003
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`Sheet 10 of 18
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`US 6,539,080 B1
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`
`
`hea—fig oO
`
`
`
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`
`
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`
`invalid
`
`keypress/
`
`instructions
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`16-4
`
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`
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`no
`
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`
`162
`
`
`
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`
`That is not a valid keypress.
`
`
`
`
`
`Transfer call to operator.
`
` 3°d
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`
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`
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`
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`Yourcall is being transferred to the
`
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`
`next available operator.
`
`
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`Page 12 of 29
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`Page 12 of 29
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`U.S. Patent Mar. 25, 2003—Sheet 11 of 18 US 6,539,080 B1
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`
`
`
`
`
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`unrecognized
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`
`1*
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`
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`3 consecutive
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`
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`
`Your call is being transferred to
`
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`
`
`the next available operator.
`
`
`
`
`
`
`
`
`
`
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`U.S. Patent
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`Mar.25, 2003
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`Sheet 12 of 18
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`US 6,539,080 B1
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`U.S. Patent
`
`Mar.25, 2003
`
`Sheet 13 of 18
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`US 6,539,080 B1
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`
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`Page 15 of 29
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`U.S. Patent
`
`Mar.25, 2003
`
`Sheet 14 of 18
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`US 6,539,080 B1
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`U.S. Patent
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`
`
`Mar.25, 2003
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`Sheet 15 of 18
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`
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`US 6,539,080 B1
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`U.S. Patent
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`Mar.25, 2003
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`Sheet 16 of 18
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`US 6,539,080 B1
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`US 6,539,080 B1
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`(GFNN/LNOD)—,S77
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`U.S. Patent
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`Mar.25, 2003
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`Sheet 17 of 18
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`U.S. Patent
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`Mar. 25, 2003
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`Sheet 18 of 18
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`US 6,539,080 B1
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` Locate Starting
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`Location
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`2.00
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` 202
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`204
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`Determine
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`Step-by-Step
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`Driving Instructions
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` Demarcating the
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`Step-by-Step
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`Driving Instructions
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` Communicate
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`Demarcated
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`Driving Instructions
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`/-/ cf LS
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`1
`METHOD AND SYSTEM FOR PROVIDING
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`QUICK DIRECTIONS
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`2
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`Needed is an improved system to information and travel
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`directions, which is readily accessible to travelers.
`BRIEF DESCRIPTION OF THE DRAWINGS
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`BACKGROUND OF THE INVENTION
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`A. Field of the Invention
`The foregoing and other objects, features and advantages
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`of the present invention will be more readily appreciated
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`The present invention relates to a method and device for
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`upon reference to the following disclosure when considered
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`providing information assistance to telephone callers. More
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`in conjunction with the accompanying drawings, in which:
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`particularly, the present invention is capable of providing
`information assistance based on an automatic identification
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`FIG. 1 is an overall system diagram of a system;
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`of the caller’s location and providing an user interface to
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`FIG. 2 showsan illustrative diagram ofa call detail record
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`communicate the information over the telephone to the
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`used in the system of FIG. 1;
`caller.
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`FIG. 3 shows an diagram of the generation of route
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`B. Description of the Related Art
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`instructions used in the system of FIG. 1;
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`Today, travel directions to a destination location can be
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`FIGS. 4 through 12 are command menu charts of an
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`obtained in different ways. Internet web sites now provide
`illustrative embodimentof the interactive user interface used
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`map routing software that generate and display driving
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`in the system of FIG. 1; and
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`instructions from onestarting location to another destination
`FIG. 13 is a flow chart of an illustrative method used in
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`location. The traveler enters the desired starting (from)
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`location and the desired destination (to) location into the
`the system of FIG. 1.
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`software program and has the option to select the fastest,
`DETAILED DESCRIPTION OF THE
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`easiest, or shortest distance driving directions to the desti-
`PREFERRED EMBODIMENT
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`nation location. The map routing software determines the
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`route to the destination and displays it on the user’s display
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`The present embodimentallowstelephonecallers to place
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`terminal with step-by-step driving directions, estimated
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`a telephonecall to a telephone numberto obtain information
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`travel times, and mileage from the starting location to the
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`and assistance in locating selected destination locations and
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`ending location. This type of map routing software,
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`obtain step-by-step driving directions to reach the selected
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`however, requires a traveler to plan his trip in advance and
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`have Internet access. It is oflittle assistance in the situation
`destination locations over the telephone. An illustrative
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`embodiment provides the ability to automatically identify
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`when a traveler becomes lost during his trip, needs assis-
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`the calling party’s calling location without requiring the
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`tance with directions, and does not have ready accessto the
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`Internet.
`caller to manually identify his location. The calling location
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`can then be used to map a route to the destination location
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`Recently, Global Positioning Satellite (“GPS”) navigation
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`and determine the proper driving instructions for the caller
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`systemsallowatraveler to track his location in real-time as
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`to arrive at the requested destination location.
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`he travels on the surface of the earth. In-car GPS-guided
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`In a described embodiment of the invention, telephone
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`navigation systems allows an automobile driver to track his
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`current location in real-time and obtain voice and visual
`callers place a telephonecall to access the system and select
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`a desired destination location. The destination location may
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`directions on how to get from his current location to a
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`destination location. Destination locations can be selected
`be selected from a white or yellow pageslisting through an
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`automatedinteractive voice response system ora live human
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`from an in-car
`terminal by street address, street
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`operator. The destination location may be any locations such
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`intersections, or city. These on-board navigation systems
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`as a person or individual, or a street address, hotel, stores,
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`also include categorical search tools that allow users to find
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`restaurant, businessoffice, etc. listed in the white or yellow
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`points of interest such as museums,parks,airports, stores,
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`pages directory.
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`etc. To reach his destination,
`the driver is given specific
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`After selecting the desired destination location, the caller
`driving instructions from an in-car terminal on howfar to
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`may receive driving route instructions to the destination
`proceed and whento turn and exit. These on-board naviga-
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`location from the system. For example, the caller’s location
`tion systems, however, are complex and expensive, require
`and the desired destination location is sent to a database with
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`a considerable up front investment and a complex installa-
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`application software which can map a route and provide
`tion procedure.
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`driving instructions from the caller’s location to the desired
`Today, many wireless telephone service providers also
`destination location or from another location to the desired
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`provide a telephoneservice that allows users to dial “*nnn”
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`destination location. The database and application software
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`or a 7/10 digit telephone numberto reach a live operator who
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`maps the driving route and determines step-by-step driving
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`can provide expresswaytravel times, weather conditions and
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`instructions to reach the destination.
`In a particular
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`driving directions. The callers specify their current and
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`embodiment, the route to the destination location can be
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`future locations by providing the nearest cross street inter-
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`mapped taking into account the route traffic, travel-times,
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`section or street address. Destinations can be selected by
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`road conditions, and route weather conditions.
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`white or yellow pagelistings, street address, or cross street
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`The caller may receive the driving or route instructions in
`intersection. The live operator also has categorical search
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`a variety of different ways. The route instructions can be
`tools that allow callers to find points of interest. This service,
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`communicated directly over the telephone from an interac-
`however, requires the caller to specify their current location
`and is therefore not useful
`to those who are lost and
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`tive voice response system, a live operator, a synthesized
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`uncertain of their current location.
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`voice, a voice mail message, and Internet electronic mail, an
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`alpha/numeric pager or telephone or a Personal Digital
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`In addition, the retrieval of driving instructions over the
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`Assistant (“PDA”).
`telephone requires a live operator to relay the driving
`instructions to the caller. The caller must transcribe each
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`sequence of the driving directions while the operator waits
`tive user interface to provide access to information over the
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`on the telephone,
`thus reducing the productivity of the
`telephone is described. The user interface is particularly
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`operator.
`adapted to provide a convenient interface so that a user can
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`US 6,539,080 B1
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`handle obtaining the driving instructions. Alternatively, the
`obtain route or driving instructions to a destination location
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`system may be setup such that all the 411 operators are
`over a voice telephone call. The user interface provides a
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`number of commandsor specified keys to allowalistener to trained and equipped to handle the calls requesting driving
`instructions.
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`easily stop, start, review, and skip through the step-by-step
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`route driving instructions. The route instructions may be
`The switch 16 answers the incoming telephonecall arriv-
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`coded to demarcate points that are convenient points to stop
`ing on the access telephone number and forwardsthe call to
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`and start the instruction messages such that the user can
`the operator console 18 wherea live operator can handle the
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`call. The switch 16 can be any suitable switching equipment
`listen and record the instructions or listen and pause the
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`such as an ACD, DMSseries switch from Nortel, #5 ESS
`instructions while they are actually driving the route. The
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`from Lucent Technologies, Galaxy 500 or other Private
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`user interface provides a convenient mechanism for callers
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`Branch Exchange (“PBX”) switching equipment. The
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`to obtain the route instructions, as well as other information
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`switch may also be embodied as an automatic call distributor
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`over the telephone.
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`(“ACD”) that automatically distributes incoming calls in the
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`FIG. 1 shows a system level diagram of an illustrative
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`sequences that they are received.
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`embodimentof the present invention. Shown in FIG. 1 are
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`Preferably, a call detail record data structure is also
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`a telephone subscriber or caller 12 accessing the system as
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`created and sent to the operator console 18 along with the
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`a caller seeking assistance, an access or switching network
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`forwarded telephonecall. The call detail record may contain
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`14 such as the Public Switched Telephone Network
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`a variety of information regarding the arriving telephonecall
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`(“PSTN”) provided by local telephone companies such as
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`which can be displayed on the operator console 18 to
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`Ameritech and long distance carriers such as AT&T and
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`provide the operator information regarding the incoming
`WorldCom/MCI. A switch device 16 such as a DMS-200
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`telephonecall. In the illustrative embodiment,the call detail
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`from Nortel or an Automatic Call Distributor (“ACD”) such
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`can include a number of pre-populated fields to show the
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`as those from the Rockwell Corporation, which provides
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`operator a number of details regarding the call such as the
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`access to and routes calls through the system. Also shownis
`calling telephone number, the called telephone number, the
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`an operator console or workstation 18 where a human
`location of the caller, and the station type of the calling
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`operator to handle calls may be located, and a database 20,
`telephone number. Different station types such as coin or pay
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`which mayinclude a plurality of databases. In an illustrative
`residence, or hotel
`telephone systems are well
`station,
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`known to those skilled in the art. For example,
`in an
`example, the database 20 may include a directory listing
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`illustrative embodimentthe calling location of the incoming
`database 22, a GEO TN database 23, and a routing database
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`telephone calling is determined using a suitable calling
`24. Also shown is a gateway 26 interface that receives
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`telephone location technology 17 as will be described in
`driving route instructions generated from the routing data-
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`further detail below. The location of the caller determined by
`base 24. The gateway 26 interface translates the text route
`directions to interface the route directions to the audio box
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`the ANI is sent to the call detail record to the operator
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`console 18.
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`28. For example, the route instructions may be generated in
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`a text format that the gateway 26 interface translates to a
`The operator console 18 displays the call details to the
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`data format appropriate for the audio box 28. The appropri-
`operator while the call is being handled. Referring now to
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`ate data format may be a specialized text format that can be
`FIG. 2, shown is an exemplary display of the operator
`forwarded on to the audio box 28. The audio box 28
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`console 18 while handling a call requesting directions to a
`destination location. It should be understood that FIG. 2 is
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`translates the route instructions into audio speech that can be
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`heard by a caller using speech synthesis. The audio box 28
`a simplified illustrative drawing and the operator console
`allows a caller to retrieve directions without the continued
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`display can be implemented as a Windows-typeinterface. At
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`interactive assistance of a human operator.
`the bottom of the screen, a call detail window 32 can display
`Described below in connection with FIG. 1 is an overview
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`call information from the call detail record, such as the ANI
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`or location where the caller and the desired ANI where the
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`of an illustrative embodiment of the system in operation. A
`caller wishes the directions to start. Often the caller’s ANI
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`telephonecaller or user 12 desiring assistance with a variety
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`and the desired ANI will be the same. The caller may also,
`of services such as travel directions, maps, weather, traffic
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`however, request that directions be given from a different
`travel times, directory assistance white page listings, and
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`location, resulting in a different desired starting location.
`road conditions originates a telephone call
`to a dial-in
`The address fields and the cross street information can be
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`telephone access number to access the system 13. For
`determined from the ANI and the database information. The
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`example, a landline or a mobile cellular telephone subscriber
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`station type of the caller may also be displayed, but is not
`12 dials the telephone numberofthe dial-in access telephone
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`explicitly shownin this example. The operator viewsthe call
`number. The telephone call is routed through the switching
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`details and queries the subscriber 12 for his or her request.
`network 14 to the dial-in access telephoneline terminated to
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`Preferably, the caller’s location is automatically identified
`the switch 16. The switching network 14 may include the
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`and displayed on the operator console 18 as described above.
`PSTNaspreviously described. The dial-in telephone access
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`Ofcourse, the operator can requestthe caller for the starting
`numberis preferably a double digit, 7-digit, 10-digit ortoll
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`location to confirm the automatically identified location. The
`free telephone numbersuch as an “800” or “888” telephone
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`operator can accept the information in thecall detail window
`number. To provide greater call capacity, a high-capacity
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`32 or make any changes or correction to the information
`telephoneline, such as a T1 or Primary Rate Interface circuit
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`before making the request to the database to map the route.
`may be used to implementthe access telephone line. Wire-
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`less telephone users may be configured to simply dial a
`Thecaller’s requestis entered into the operator console 18
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`or if the caller wishes to search for a destination location, a
`“*NNN”to access the system. In a preferred embodiment,
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`the service may be accessed through a basic “411”directory
`search is launched against a listing database for candidate
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`information service. For example, callers may dial 411 to
`listings according to the caller’s request. In the illustrative
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`obtain directory information and also be given the option to
`embodiment of the invention,
`the listings that can be
`searched include desired destination locations suchasstreet
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`obtain street driving instructions to the requested directory
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`addresses, hotels, stores, restaurants, business offices and the
`listing. If driving route directions are desired, the telephone
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`call may be routed to the appropriate operator console to
`like that may be listed in the white or yellow pages.
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`Page 22 of 29
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`US 6,539,080 B1
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`techniques can be used depending on the particular tele-
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`phone (i.e., landline or mobile telephone) originating the
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`call. Several exemplary telephonecaller location identifica-
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`tion systems 17 are described below in further detail. The
`location of the caller 12 can then be communicated to the
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`operator by including the geographical location with a call
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`detail record data structure that is transferred to the operator
`console 18.
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`For example, the location of a telephone caller 12 from
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`traditional fixed location land-lines can be identified using
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`the automatic numberidentification (“ANI”) of the origi-
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`nating calling telephone number to index into a directory
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`listing database or Name, Address and Telephone number
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`Database (“NATD”) 22. From the ANI of the calling tele-
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`phone number, the NATD 22 can be accessed for the address
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`of the originating telephone number. The originating tele-
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