CA2296187C - Synchronisation de conference video - Google Patents

Synchronisation de conference video Download PDF

Info

Publication number: CA2296187C
Authority: CA; Canada
Prior art keywords: audio; video; data; visual information; multimedia
Prior art date: 1993-10-01
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002296187A

Other languages

English (en)

Other versions

CA2296187A1 (fr

Inventor

Lester F. Ludwig

J. Chris Lauwers

Keith A. Lantz

Gerald J. Burnett

Emmett R. Burns

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Intellectual Ventures Holding 81 LLC

Original Assignee

Collaboration Properties Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-10-01

Filing date

1994-10-03

Publication date

2001-07-24

1993-10-01 Priority claimed from US08/131,523 external-priority patent/US5689641A/en

1994-10-03 Application filed by Collaboration Properties Inc filed Critical Collaboration Properties Inc

1995-04-13 Publication of CA2296187A1 publication Critical patent/CA2296187A1/fr

2001-07-24 Application granted granted Critical

2001-07-24 Publication of CA2296187C publication Critical patent/CA2296187C/fr

2014-10-03 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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Landscapes

Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Telephonic Communication Services (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

CA002296187A 1993-10-01 1994-10-03 Synchronisation de conference video Expired - Fee Related CA2296187C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/131,523		1993-10-01
US08/131,523 US5689641A (en)	1993-10-01	1993-10-01	Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal
CA002173209A CA2173209C (fr)	1993-10-01	1994-10-03	Systeme de collaboration multimedia

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002173209A Division CA2173209C (fr)	1993-10-01	1994-10-03	Systeme de collaboration multimedia

Publications (2)

Publication Number	Publication Date
CA2296187A1 CA2296187A1 (fr)	1995-04-13
CA2296187C true CA2296187C (fr)	2001-07-24

Family

ID=25678406

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
CA002296185A Expired - Fee Related CA2296185C (fr)	1993-10-01	1994-10-03	Systeme de demande d'appel qui resulte en un premier et un deuxieme traitement d'appel definissant l'etat de l'appel et consistant en un appel actif ou en attente pour les dispositifs av respectifs
CA002296182A Expired - Fee Related CA2296182C (fr)	1993-10-01	1994-10-03	Controle d'appel lors de conference video permettant l'acceptation et l'identification de participants de nouveuax appels durant une teleconference active
CA002296189A Expired - Fee Related CA2296189C (fr)	1993-10-01	1994-10-03	Systeme de teleconference dans lequel les types de collaboration, des noms de participants ou des icones sont selectionnes par un participant de la teleconference
CA002296181A Expired - Fee Related CA2296181C (fr)	1993-10-01	1994-10-03	Systeme pour fournir un repertoire de dispositifs av et de capacites et de traitement d'appel de sorte que tous les participants puissent prendre part au maximum des capacites disponibles
CA002296187A Expired - Fee Related CA2296187C (fr)	1993-10-01	1994-10-03	Synchronisation de conference video

Family Applications Before (4)

Application Number	Title	Priority Date	Filing Date
CA002296185A Expired - Fee Related CA2296185C (fr)	1993-10-01	1994-10-03	Systeme de demande d'appel qui resulte en un premier et un deuxieme traitement d'appel definissant l'etat de l'appel et consistant en un appel actif ou en attente pour les dispositifs av respectifs
CA002296182A Expired - Fee Related CA2296182C (fr)	1993-10-01	1994-10-03	Controle d'appel lors de conference video permettant l'acceptation et l'identification de participants de nouveuax appels durant une teleconference active
CA002296189A Expired - Fee Related CA2296189C (fr)	1993-10-01	1994-10-03	Systeme de teleconference dans lequel les types de collaboration, des noms de participants ou des icones sont selectionnes par un participant de la teleconference
CA002296181A Expired - Fee Related CA2296181C (fr)	1993-10-01	1994-10-03	Systeme pour fournir un repertoire de dispositifs av et de capacites et de traitement d'appel de sorte que tous les participants puissent prendre part au maximum des capacites disponibles

Country Status (1)

Country	Link
CA (5)	CA2296185C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9380264B1 (en)	2015-02-16	2016-06-28	Siva Prasad Vakalapudi	System and method for video communication
US11695812B2 (en)	2019-01-14	2023-07-04	Dolby Laboratories Licensing Corporation	Sharing physical writing surfaces in videoconferencing

1994
- 1994-10-03 CA CA002296185A patent/CA2296185C/fr not_active Expired - Fee Related
- 1994-10-03 CA CA002296182A patent/CA2296182C/fr not_active Expired - Fee Related
- 1994-10-03 CA CA002296189A patent/CA2296189C/fr not_active Expired - Fee Related
- 1994-10-03 CA CA002296181A patent/CA2296181C/fr not_active Expired - Fee Related
- 1994-10-03 CA CA002296187A patent/CA2296187C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2296182C (fr)	2000-12-19
CA2296181C (fr)	2001-06-26
CA2296185A1 (fr)	1995-04-13
CA2296185C (fr)	2001-07-24
CA2296181A1 (fr)	1995-04-13
CA2296187A1 (fr)	1995-04-13
CA2296189C (fr)	2001-07-24
CA2296189A1 (fr)	1995-04-13

Legal Events

Date	Code	Title	Description
2000-01-21	EEER	Examination request
2011-10-03	MKLA	Lapsed

Publication	Publication Date	Title
US5617539A (en)	1997-04-01	Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network
US7908320B2 (en)	2011-03-15	Tracking user locations over multiple networks to enable real time communications
GB2319138A (en)	1998-05-13	Teleconferencing system having a multimedia mail facility
CA2296187C (fr)	2001-07-24	Synchronisation de conference video
CA2204442C (fr)	1998-10-20	Systeme de collaboration multimedia avec reseau de donnees et reseau a/v separes, commande par transmission d'information sur le reseau de donnees