Exhibit 1009
`Exhibit 1009
`
`

`
`United States Patent 1191
`United States Patent
`1191
`Howell
`Howell
`
`l||||||l||||l||||||||l|||||||||||||l|Illll|||||l|||||l1||||||||||||||||||||
`US005767897A
`US005767897A
`[11] Patent Number:
`[11] Patent Number:
`[45] Date of Patent:
`[451 Date of Patent:
`
`5,767,897
`5,767,897
`Jun. 16, 1998
`Jun. 16, 1998
`
`Matrox Studio. “The Ultimate Desktop Video Production
`Matrox Studio. “The Ultimate Desktop Video Production
`Suite”. Apr. 1993.
`Suite”. Apr. 1993.
`
`Primary Examiner—Ste1la Woo
`Primary Examiner—Stella Woo
`Attomey, Agent, or Firm—Fish & Richardson RC.
`Attorney, Agent, or F im7-—Fish & Richardson EC.
`
`[57]
`[57]
`
`ABSTRACT
`ABSTRACT
`
`A video conferencing system wherein a director controller is
`A video conferencing system wherein a director controller is
`adapted for disposition on a lecture podium. The controller
`adapted for disposition on a lecture podium. The controller
`includes an interconnected control section and a video
`includes an interconnected control section and a video
`display section for controlling the distribution of generated
`display section for controlling the distribution of generated
`audio and video information signals among a local and
`audio and video information signals among a local and
`remote sites selectively in accordance with command signals
`remote sites selectively in accordance with command signals
`fed to the controller by a podium speaker. The system is
`fed to the controller by a podium speaker. The system is
`adapted to operate in one of two operating modes: a “Main-
`adapted to operate in one of two operating modes: a “Main
`screen” mode and a “Mark-up” mode. In the “Main-screen”
`screen” mode and a “Mark-up” mode. In the “Main-screen”
`mode. the video display section is made up of two display
`mode. the video display section is made up of two display
`areas; a “presentation” display area. and a “preview” display
`areas; a “presentation” display area. and a “preview” display
`area. The “presentation” display area displays the video
`area. The “presentation” display area displays the video
`information which typically is currently being viewed by the
`information which typically is currently being viewed by the
`audience/participants at the remote and local sites. The
`audience/participants at the remote and local sites. The
`“preview” video display area is privately viewable by the
`“preview” video display area is privately viewable by the
`podium speaker. displays video information signals from a
`podium speaker. displays video information signals from a
`second podium speaker selected one of the video sources. In
`second podium speaker selected one of the video sources. In
`the “Mark-up” mode. the “preview” area is removed and the
`the “Mark-up” mode. the “preview" area is removed and the
`size of the “presentation" area is increased The image in the
`size of the “presentation” area is increased The image in the
`enlarged “presentation” area is adapted for editing]
`enlarged “presentation” area is adapted for editing]
`annotation by the podium speaker. The edited/annotated
`annotation by the podium speaker. The edited/annotated
`image is distributed to the local and remote sites.
`image is distributed to the local and remote sites.
`
`67 Claims, 5 Drawing Sheets
`67 Claims, 5 Drawing Sheets
`
`[54] VIDEO CONFERENCING SYSTEM
`[54] VIDEO CONFERENCING SYSTEM
`
`[75]
`Inventor: Brian A. Howell. Marblehead. Mass.
`[75] Inventor: Brian A. Howell. Marblehead. Mass.
`
`[73] Assignee: PictureTel Corporation. Danvers.
`[73] Assignee: PictureTel Corporation. Danvers.
`Mass.
`Mass.
`
`[21] Appl. No.: 332,097
`[21] Appl. No.: 332,097
`[22] Filed:
`Oct. 31, 1994
`[221 Filed:
`Oct. 31, 1994
`[51]
`Int. Cl.“ ..................................................... .. H04N 7/15
`[51] Int. Cl.6 ..................................................... .. H04N 7/15
`
`[52] U.S. Cl. ...............
`. 343/15; 379/93.21; 379/93.19
`[521 US. Cl. ............. ..
`. 343/15; 379/9321; 379/9319
`[58] Field of Search ................................ .. 348/15. 14. 16.
`[58] Field of Search ................................ .. 348/15. 14. 16.
`348/17. 18. 19; 379/96. 93.17. 93.19. 93.21;
`348/17. 18. 19; 379/96. 93.17. 93.19. 93.21;
`370/62; 395/330; 345/1. 127. 130
`370/62; 395/330; 345/1. 127. 130
`
`References Cited
`References Cited
`U.S. PATENT DOCUMENTS
`U.S. PATENT DOCUMENTS
`5/1985 Fabris et al.
`.............................. 348/15
`4,516,156
`5/1985 Fabris et a1. ............................ .. 348/15
`4,516,156
`4,876,657 10/1989 Saito et al.
`. 364/521
`4,876,657 10/1989 Saito et a1.
`.
`348/15
`5,206,721
`4/1993 Ashida et al.
`.
`348/15
`5,206,721
`4/1993 Ashida et al. .
`345/1
`5,307,055
`4/1994 Baskin et al.
`..
`345/1
`5,307,055
`4/1994 Baskin et a1. ..
`. 395/154
`5,385,475
`1/1995 Sudman et 2].
`395/154
`5,385,475
`1/1995 Sudman et al,
`. 395/154
`5,473,744 12/1995 Allen et al.
`........
`395/154
`5,473,744 12/1995 Allen et al. ...... ..
`348/14
`5,502,727
`3/1996 Catanzaro et a].
`.
`348/14
`5,502,727
`3/1996 Catanzaro et a]. .
`348/15
`5,583,565
`12/1996 Corljens et al.
`348/15
`5,583,565 12/1996 Cortjens et a1.
`. 345/127
`5,596,346
`1/1997 Leone et al.
`. 345/127
`5,596,346
`1/1997 Leone et a].
`.................... 348/15
`5,627,825
`5/1997 Barraclough et al.
`5,627,825
`5/1997 Barraclough et a]. .................. .. 348/15
`OTHER PUBLICATIONS
`OTHER PUBLICATIONS
`
`
`
`[56]
`[56]
`
`McClain. Linda. Matrox Studio, “The Ultimate Desktop
`McClain. Linda. Matrox Studio, “The Ultimate Desktop
`Video Production Suite”.
`Video Production Suite”.
`Matrox Studio. “Plug This Into Your PC for the Most
`Matrox Studio. “Plug This Into Your PC for the Most
`Successful Presentation of Your Life” 1993.
`Successful Presentation of Your Life” 1993.
`
`

`
`US. Patent
`U.S. Patent
`
`Jun. 16, 1998
`Jun. 16, 1993
`
`Sheet 1 of 5
`Sheet 1 of 5
`
`5,767,897
`5,767,897
`
`5:
`7%
`E1-
`Lu
`2
`
`NETWORK
`
`V1000
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`
`

`
`U.S. Patent
`
`Jun. 16, 1998
`
`Sheet 2 of 5
`
`5,767,897
`
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`

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`U.S. Patent
`
`Jun. 16, 1998
`
`Sheet 3 of 5
`
`5,767,897
`
`

`
`US. Patent
`U.S. Patent
`
`Jun. 16, 1998
`Jun. 16, 1998
`
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`Sheet 4 of 5
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`

`
`U.S. Patent
`
`Jun. 16, 1993
`
`Sheet 5 of 5
`
`5,767,897
`
`7:’
`
`|_E_|
`
`116
`
`“2
`
`FIG. 5A ‘so.
`
`‘‘802
`
`UD
`
`1352
`
`SLIDE
`
`1352
`
`SLIDE
`
`‘351
`
`FIG. 53”“
`
`VCR
`IEIIEEI [El IE]
`
`311
`
`VCR
`EIIEI [El E]
`
`812
`
`FIG. 5C
`
`DOC
`
`DOC
`
`FIG. 5D
`
`PC
`
`PC
`
`“@111 E [ENE]
`
`812
`
`FIG.5E
`
`

`
`1
`1
`VIl)E0 CONFERENCING SYSTEM
`vmno CONFERENCING SYSTEM
`BACKGROUND OF THE INVENTION
`BACKGROUND OF THE INVENTION
`This invention relates generally to video conferencing
`This invention relates generally to video conferencing
`systems and more particularly to director controllers used in
`systems and more particularly to director controllers used in
`such systems.
`such systems.
`As is known in the art. video conferencing systems are
`As is known in the art. video conferencing systems are
`being used in a wide variety of settings to enable effective
`being used in a wide variety of settings to enable effective
`communication among audience/participants at local and
`communication among audience/participants at local and
`remote sites. The local and remote site each have a video
`remote sites. The local and remote site each have a video
`camera. a video monitor. a loudspeaker and a microphone.
`camera. a video monitor. a loudspeaker and a microphone.
`A director controller is typically at the local site to enable a
`A director controller is typically at the local site to enable a
`director to control the distribution of the audio and video
`director to control the distribution of the audio and video
`information signals produced at the sites for viewing and
`information signals produced at the sites for viewing and
`listening by the audience/participants at the other sites. For
`listening by the audience/participants at the other sites. For
`example. a director selects the site which is to transmit the
`example. a director selects the site which is to transmit the
`video information signals to the other sites. One such setting
`video information signals to the other sites. One such setting
`is a classroom or meeting room where an instructor or
`is a classroom or meeting room where an instructor or
`moderator. (i.e.. a “presenter”) presents information to the
`moderator. (i.e.. a “presenter”) presents information to the
`local and remote sites. In order to maximize the effective-
`local and remote sites. In order to maximize the effective
`ness of the presenter. it is desirable that he/she also act as the
`ness of the presenter. it is desirable that he/she also act as the
`director. Thus. it is desirable to have a user friendly. director
`director. Thus. it is desirable to have a user friendly. director
`controller.
`controller.
`
`SUMMARY OF THE INVENTION
`SUMMARY OF THE INVENTION
`In accordance with the present invention a video confer-
`In accordance with the present invention a video confer
`encing system is provided wherein a director controller is
`encing system is provided wherein a director controller is
`adapted for disposition on a lectme podium. The controller
`adapted for disposition on a lecture podium. The controller
`includes an interconnected control section and a video
`includes an interconnected control section and a video
`display section for controlling the distribution of generated
`display section for controlling the distribution of generated
`audio and video information signals among a local and
`audio and video information signals among a local and
`remote sites selectively in accordance with command signals
`remote sites selectively in accordance with command signals
`fed to the controller by a director. typically the presenter.
`fed to the controller by a director. typically the presenter.
`The system is adapted to operate in one of two operating
`The system is adapted to operate in one of two operating
`modes: a “Main-screen” mode and a "Mark-up” mode.
`modes: a “Main-screen” mode and a "Mark-up” mode.
`In the “Main-screen” mode. the video display section is
`In the “Main-screen" mode. the video display section is
`made up of two display areas; a “presentation" display area.
`made up of two display areas; a “presentation" display area.
`and a “preview" display area. The “presentation” display
`and a “preview" display area. The “presentation” display
`area displays the video information which is currently being
`area displays the video information which is currently being
`viewed by the audiencelparticipants at the remote and local
`viewed by the audience/participants at the remote and local
`sites. The “preview” video display area is privately viewable
`sites. The “preview” video display area is privately viewable
`by the presenting director. (i.e.. podium speaker). and dis
`by the presenting director. (i.e.. podium speaker). and dis-
`plays video information signals from a second podium
`plays video information signals from a second podium
`speaker selected one of the video sources. The video infor-
`speaker selected one of the video sources. The video infor
`mation for the “preview” and “presentation" areas is gen-
`mation for the “preview” and “presentation" areas is gen
`erated by one of a number of video sources. including video
`erated by one of a number of video sources. including video
`cameras at the remote and local sites. a slide projector. a
`cameras at the remote and local sites. a slide projector. a
`videotape recorder (VCR). a document camera. computer
`videotape recorder (VCR). a document camera. computer
`images and the like. selected by the podium speaker. The
`images and the like. selected by the podium speaker. The
`“presentation” and “preview” areas are disposed in side-by
`“presentation” and “preview” areas are disposed in side-by-
`side relationship. A tactile actuatable switch is disposed on
`side relationship. A tactile actuatable switch is disposed on
`the display section between the “preview” and “presenta
`the display section between the “preview” and “presenta-
`tion” areas clearly indicating to the podium speaker that
`tion” areas clearly indicating to the podium speaker that
`touching such switch will transfer the video source used for
`touching such switch will transfer the video source used for
`the “preview” area to the “presentation” area and. therefore.
`the “preview” area to the “presentation” area and. therefore.
`the “preview" video becomes the video source distributed to
`the “preview" video becomes the video source distributed to
`the local and remote sites.
`the local and remote sites.
`In the “Mark-up” mode. the “preview” area is removed
`In the “Mark-up” mode. the “preview" area is removed
`and the size of the “presentation" area is increased. The
`and the size of the “presentation” area is increased. The
`image in the enlarged “presentation” area is adapted for
`image in the enlarged “presentation” area is adapted for
`editing or annotation by the podium speaker. The editedl
`editing or annotation by the podium speaker. The edited/
`annotated image is distributed to the local and remote sites.
`annotated image is distributed to the local and remote sites.
`That is. the “presentation" area includes a tactile actuatable
`That is. the “presentation” area includes a tactile actuatable
`editing/annotating sensor. responsive to tactile contact with
`editing/annotating sensor. responsive to tactile contact with
`the image presented in the “presentation” area. for editing
`the image presented in the “presentation” area. for editing
`and/or annotating such video information and distributing
`and/or annotating such video information and distributing
`
`45
`45
`
`SO
`50
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`55
`55
`
`65
`65
`
`5.767.897
`5,767,897
`
`5
`
`20
`20
`
`25
`25
`
`30
`30
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`35
`35
`
`2
`2
`the edited/annotated information to the video monitors at the
`the edited/annotated information to the video monitors at the
`remote and local sites.
`remote and local sites.
`With the arrangement. a more effective. more user
`With the arrangement. a more effective. more user
`friendly video conferencing system is provided.
`friendly video conferencing system is provided.
`In accordance with another feature of the invention. icons.
`In accordance with another feature of the invention. icons.
`each representing one of the video sources. are disposed in
`each representing one of the video sources. are disposed in
`the display section for easy actuation by the podium speaker
`the display section for easy actuation by the podium speaker
`to select the video source for the “presentation” area and
`to select the video source for the “presentation” area and
`“preview” areas.
`“preview" areas.
`In accordance with still another feature of the invention.
`In accordance with still another feature of the invention.
`a plurality of site selection options are available to the
`a plurality of site selection options are available to the
`podium speaker. including: a “round robin” mode and a “site
`podium speaker. including: a “round robin” mode and a “site
`select" mode. In the “round robin” mode. the controller
`select" mode. In the “round robin” mode. the controller
`selects the video site to present for private viewing by the
`selects the video site to present for private viewing by the
`podium speaker by jumping from the video camera at one
`podium speaker by jumping from the video camera at one
`site to the video camera at another site. and so forth. in a
`site to the video camera at another site. and so forth. in a
`“round robin” fashion. In the “sine select” mode. the con-
`“round robin" fashion. In the “site select” mode. the con
`troller uses the camera at a site selected by the podium
`troller uses the camera at a site selected by the podium
`speaker. With another site selection option. the controller
`speaker. With another site selection option. the controller
`uses the video conferencing system bridge. which can
`uses the video conferencing system bridge. which can
`respond to audio signals produced by the microphones at the
`respond to audio signals produced by the microphones at the
`local and remote sites. to select one of the video signals
`local and remote sites. to select one of the video signals
`produced by the video camera at the sites for presentation on
`produced by the video camera at the sites for presentation on
`the video monitors at the other sites during a “teach/direct”
`the video monitors at the other sites during a “teach/direc "
`mode. Thus. the bridge. in response to the audio signals
`mode. Thus. the bridge. in response to the audio signals
`produced by the microphones at the remote sites. can be
`produced by the microphones at the remote sites. can be
`directed to select the video signal from such site at which the
`directed to select the video signal from such site at which the
`last speaker spoke. or is speaking. for distribution to the
`last speaker spoke. or is speaking. for distribution to the
`local and remote sites during the “di.rectorlteach" command
`local and remote sites during the “director/teach” command
`mode. In this way. the podium speaker can view responses
`mode. In this way. the podium speaker can view responses
`from the audience/participants at the sites and thereby better
`from the audience/participants at the sites and thereby better
`gage his/her presentation to their viewed responses.
`gage his/her presentation to their viewed responses.
`In accordance with yet another feature of the invention.
`In accordance with yet another feature of the invention.
`the video display section of the controller includes a tactile
`the video display section of the controller includes a tactile
`actuatable. zoom control. responsive to podium speaker
`acuratable. zoom control. responsive to podium speaker
`tactile identification of a portion of the video information
`tactile identi?cation of a portion of the video information
`signals displayed on the "presentation" display area. for
`signals displayed on the "presentation” display area. for
`commanding the camera used as the video source for such
`commanding the camera used as the video source for such
`information to zoom in on the selected identified portion.
`information to zoom in on the selected identi?ed portion.
`In accordance with another feature of the invention. the
`In accordance with another feature of the invention. the
`“presentation" area is adapted to have displayed. in a sub-
`“presentation" area is adapted to have displayed. in a sub
`region thereof. an image of the podium speaker. The “pre
`region thereof. an image of the podium speaker. The “pre-
`sentation" area. together with the sub-region. is distributed.
`sentation" area. together with the sub-region. is distributed.
`in picture—in-picture format. to the remote and local sites.
`in picture-in-picture format. to the remote and local sites.
`This feature is also actuatable by the podium speaker
`This feature is also actuatable by the podium speaker
`interacting with a suitable icon. With such an arrangement.
`interacting with a suitable icon. With such an arrangement.
`the podium speaker is able to maintain contact with the
`the podium speaker is able to maintain contact with the
`audience when presenting the material in the “presentation"
`audience when presenting the material in the “presentation"
`area.
`area.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`FIG. 1 is a diagram of a multi-point video conferencing
`FIG. 1 is a diagram of a multi-point video conferencing
`system according to the invention;
`system according to the invention;
`FIG. 2 is a block diagram of a control section used in the
`FIG. 2 is a block diagram of a control section used in the
`video conferencing system of FIG. 1;
`video conferencing system of FIG. 1;
`FIG. 3 is an illustrative View of a display screen used in
`FIG. 3 is an illustrative view of a display screen used in
`the control section of FIG. 2 when the video conferencing
`the control section of FIG. 2 when the video conferencing
`system of FIG. 1 is operating in a “Main-screen" mode;
`system of FIG. 1 is operating in a “Main-screen" mode;
`FIG. 4 is an illustrative view of a display screen used in
`FIG. 4 is an illustrative view of a display screen used in
`the control section of FIG. 2 when the video conferencing
`the control section of FIG. 2 when the video conferencing
`system of FIG. 1 is operating in a “Mark-up" mode; and.
`system of FIG. 1 is operating in a “Mark-up" mode; and.
`FIGS. SA—5E are illustrative views of a display screen
`FIGS. SA-SE are illustrative views of a display screen
`used in the control section of FIG. 2 showing video source
`used in the control section of FIG. 2 showing video source
`control when various video sources are selected; FIG. 5A
`control when various video sources are selected; FIG. 5A
`showing the video controls when in an “instructor/presenter”
`showing the video conn-ols when in an “instructor/presenter”
`
`

`
`5.767.897
`5.767.897
`
`10
`
`20
`20
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`3
`3
`mode is selected. FIG. 5B showing the video controls when
`mode is selected. FIG. 5B showing the video controls when
`a slide projector camera is selected. FIG. 5C showing the
`a slide projector camera is selected. FIG. 5C showing the
`controls when a VCR is selected. FIG. SD showing the
`controls when a VCR is selected. FIG. 5D showing the
`controls when a document camera is selected and FIG. 5E
`controls when a document camera is selected and FIG. 5B
`showing the controls when a PC storage device is selected.
`showing the controls when a PC storage device is selected.
`DESCRIPTION OF THE PREFERRED
`DESCRIPTION OF THE PREFERRED
`EMBODIMENTS
`EMBODINIENTS
`Referring now to FIG. 1. a video conferencing system 10
`Referring now to FIG. 1. a video conferencing system 10
`is shown wherein a local. or near end. site 121 is networked
`is shown wherein a local. or near end. site 121 is networked
`with a plurality of remote. or far end. sites 122-12,, to
`with a plurality of remote. or far end. sites 122-12" to
`interchange audio and video information signals via bridge
`interchange audio and video information signals via bridge
`13. here a PictureTel M-8000 bridge made by PictureTel
`13. here a PictureTel M-8000 bridge made by PictureTel
`Corporation. Danvers. Mass. The local. or near end. site 121
`Corporation. Danvers. Mass. The local. or near end. site 121
`and the plurality of remote. or far end. sites 122-12,, each
`and the plurality of remote. or far end. sites 122-12,, each
`have a video camera 14. a video monitor section 16. a
`have a video camera 14. a video monitor section 16. a
`loudspeaker 18 and a microphone 20. The local site 121 has
`loudspeaker 18 and a microphone 20. The local site 121 has
`a director controller 22 disposed on a podium 23. (Here. a
`a director controller 22 disposed on a podium 23. (Here. a
`two monitor arrangement is used. Thus. the monitor 16 has
`two monitor arrangement is used. Thus. the monitor 16 has
`two monitors 161. 162. At
`local site 121. monitor 161
`two monitors I61. 162. At local site 12.. monitor l6l
`displays the output from the video camera 14 at a selected
`displays the output from the video camera 14 at a selected
`one of the far end sites 122-12,, and monitor 162 displays the
`one of the far end sites 122-12" and monitor 162 displays the
`outgoing video signal from the local site 121 to the remote
`outgoing video signal from the local site 121 to the remote
`sites 122-12,, . At the far end sites 122-12,1. monitor 161
`sites 122-12,, . At the far end sites 122-12". monitor 16X
`displays the presentation shown to the local site 121 on its
`displays the presentation shown to the local site 121 on its
`monitor 162 and monitor 162 displays the video sent by that
`monitor 162 and monitor 162 displays the video sent by that
`remote site. Monitor 162 is a graphics monitor providing
`remote site. Monitor 162 is a graphics monitor providing
`double resolution for displaying graphics. to be described. or
`double resolution for displaying graphics. to be described. or
`the video presentation described above. It should be
`the video presentation described above. It should be
`understood. however. that monitor section 16 may have.
`understood. however. that monitor section 16 may have.
`alternatively. a single monitor for both non-graphic and
`alternatively. a single monitor for both non-graphic and
`graphic images.
`graphic images.
`Referring now also to FIG. 2. the director controller 22
`Referring now also to FIG. 2. the director controller 22
`includes an interconnected control section 24 and a video
`includes an interconnected control section 24 and a video
`display section 26 arranged to control the distribution of
`display section 26 arranged to control the distribution of
`generated audio and video information signals among the
`generated audio and video information signals among the
`sites 121-12,, selectively in accordance with command sig
`sites 121-12,, selectively in accordance with command sig-
`nals fed to the control section 24 by a teacher. moderator. or
`nals fed to the control section 24 by a teacher. moderator. or
`lecturer. hereinafter sometimes referred to as a podium
`lecturer. hereinafter sometimes referred to as a podium
`speaker 28 (FIG. 1). The control section 24 includes a
`speaker 28 (FIG. 1). The control section 24 includes a
`PictureTel Model S-4000 video conferencing interface. or
`PictureTel Model S-4000 video conferencing interface. or
`CODEC 30. a computer (PC) 32 that contains several video
`CODEC 30. a computer (PC) 32 that contains several video
`cards. to be described. a video selector 34. and a picture in
`cards. to be described. a video selector 34. and a picture in
`picture (PIP) unit 36. Thus. here. director controller 22 is
`picture (PIP) unit 36. Thus. here. director controller 22 is
`adapted to use any existing PictureTel Model 4000 telecon-
`adapted to use any existing PictureTel Model 4000 telecon
`ferencing interface.
`ferencing interface.
`Computer 32 is. here.
`implemented using a personal
`Computer 32 is. here. implemented using a personal
`computer. having: a 386 microprocessor 38 adapted to
`computer. having: a 386 microprocessor 38 adapted to
`operate at a speed of 33 MHz; 8 megabyte of main RAM
`operate at a speed of 33 MHz; 8 megabyte of main RAM
`50
`memory 40; an 80 megabyte disk storage hard drive 39; and
`memory 40; an 80 megabyte disk storage hard drive 39; and
`50
`a 3.25 inch floppy drive. not shown. The computer 32 also
`a 3.25 inch ?oppy drive. not shown. The computer 32 also
`has a video section 42 which includes two video capture!
`has a video section 42 which includes two video capture!
`display cards. here WIN-TV cards (here made by Haup-
`display cards. here WIN-TV cards (here made by Haup
`pauge Computer Works. Inc.. 91 Cabot Court. Hauppauge.
`pauge Computer Works. Inc.. 91 Cabot Court. Hauppauge.
`N.Y. 11788) WIN-1. WIN-2 cards. and a VGA graphics card
`NY. 11788) WIN-1. WIN-2 cards. and a VGA graphics card
`44. Each of the WIN-1. WIN-2 cards has a pair of input ports
`44. Each of the WIN-l. WIN-2 cards has a pair of input ports
`A. B. Input port A is a VGA signal input port and input port
`A. B. Input port A is a VGA signal input port and input port
`B is a video signal input port. Each one of the WIN-1.
`B is a video signal input port. Each one of the WIN-1.
`WIN-2 cards produces a VGA signal at
`its output. A
`WIN-2 cards produces a VGA signal at its output. A
`Targa.l6 graphics card 46. here made by True Vision. Inc..
`Targa.l6 graphics card 46. here made by True Vision. Inc..
`7340 Shadeland Station. Indianapolis.
`Ind. 46256.
`is
`7340 Shadeland Station. Indianapolis. Ind. 46256. is
`included for capturing (in a butfer memory. not shown. but
`included for capturing (in a bu?‘er memory. not shown. but
`included in the Targa.l6 card 46) and overlaying annotation
`included in the Targa.l6 card 46) and overlaying annotation
`and/or editing video images during a “Mark-up" mode. as
`and/or editing video images during a “Mark-up" mode. as
`will be described in detail hereinafter. An Elographic card
`will be described in detail hereinafter. An Elographic card
`48. here made by Elo Touch Systems (formally Elographic).
`48. here made by R10 Touch Systems (formally Elographic).
`105 Randolph Rd.. Oak Ridge. Tenn. 37830. is also included
`105 Randolph Rd.. Oak Ridge. Tenn. 37830. is also included
`
`55
`55
`
`4
`4
`for producing control signals to the microprocessor 38 in
`for producing control signals to the microprocessor 38 in
`response to touching by the podium speaker 28 of a touch
`response to touching by the podium speaker 28 of a touch
`screen display 27 of video display section 26.
`screen display 27 of video display section 26.
`The video selector 34 allows any of 8 video sources. to be
`The video selector 34 allows any of 8 video sources. to be
`described. coupled to input ports 351-358. to be switched to
`described. coupled to input ports 35 1-358. to be switched to
`any of eight possible outputs 371-372 in response to a
`any of eight possible outputs 371-378 in response to a
`control signal fed thereto from microprocessor 38 via line
`control signal fed thereto from microprocessor 38 via line
`43. as will be described hereinafter. Suffice it to say here.
`43. as will be described hereinafter. Su?ice it to say here.
`however. that a selected one. or ones. of the eight video
`however. that a selected one. or ones. of the eight video
`sources fed to input ports 351-358 are coupled to a selected
`sources fed to input ports 351-358 are coupled to a selected
`one. or ones. of the output ports 371-373 of the selector 34
`one. or ones. of the output ports 371-373 of the selector 34
`in response to touch commands from podium speaker
`in response to touch commands from podium speaker
`28ltouch screen display 27 interaction.
`28ltouch screen display 27 interaction.
`Here. input port 351 is coupled to a personal camera 76
`Here. input port 351 is coupled to a personal camera 76
`directed at the podium speaker 28; input port 352 is coupled
`directed at the podium speaker 28; input port 352 is coupled
`to a 35 mm slide projector camera 66; input port 353 is
`to a 35 mm slide projector camera 66; input port 353 is
`coupled to a VCR 68 via line 55; input port 354 is coupled
`coupled to a VCR 68 via line 55; input port 354 is coupled
`to a document camera 70; input port 355 is coupled to the
`to a document camera 70; input port 355 is coupled to the
`output of PIP unit 36; input port 355 is coupled to an
`output of PIP unit 36; input port 356 is coupled to an
`auxiliary video input source. here a video camera 72 directed
`auxiliary video input source. here a video camera 72 directed
`to blackboard 73 (FIG. 1); input port 357 is coupled to a
`to blackboard 73 (FIG. 1); input port 357 is coupled to a
`selected video camera 14 at one of the far end sites 122-12,1
`selected video camera 14 at one of the far end sites 122-12n
`via the monitor output port of the interface. or CODEC 30;
`via the monitor output port of the interface. or CODEC 30;
`and input port 353 is coupled to the local video camera 14
`and input port 358 is coupled to the local video camera 14
`at local site 121 via the VCR output of the interface. or
`at local site 121 via the VCR output of the interface. or
`CODEC 30.
`CODEC 30.
`While the video selector 34 has provision for eight
`While the video selector 34 has provision for eight
`outputs at output ports 371-3711. here. only seven of such
`outputs at output ports 371-378. here. only seven of such
`output ports 371-377 are used. Output port 371 is coupled to
`output ports 371-377 are used. Output port 371 is coupled to
`the monitor 16 insert at local site 121; output port 372 is
`the monitor 16 insert at local site 12.; output port 372 is
`coupled to the WIN1 card; output port 373 is coupled to the
`coupled to the WINl card; output port 373 is coupled to the
`WIN2 card; output port 37,, is coupled to video input of
`WIN2 card; output port 374 is coupled to video input of
`VCR 68; output port 375 is coupled to an input of Targa.l6
`VCR 68; output port 375 is coupled to an input of Targa.l6
`card 46; output port 375 is coupled to the do