CA2297940C - Materiel de videoconference a deux moniteurs - Google Patents

Materiel de videoconference a deux moniteurs Download PDF

Info

Publication number: CA2297940C
Authority: CA; Canada
Prior art keywords: video; audio; participants; data; participant
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 - Lifetime

Application number

CA002297940A

Other languages

English (en)

Other versions

CA2297940A1 (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

1994-03-16

Publication date

2002-09-10

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

1994-03-16 Application filed by Collaboration Properties Inc filed Critical Collaboration Properties Inc

1995-04-13 Publication of CA2297940A1 publication Critical patent/CA2297940A1/fr

2002-09-10 Application granted granted Critical

2002-09-10 Publication of CA2297940C publication Critical patent/CA2297940C/fr

2014-03-16 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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)

CA002297940A 1993-10-01 1994-03-16 Materiel de videoconference a deux moniteurs Expired - Lifetime CA2297940C (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
CA002173204A CA2173204C (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002173204A Division CA2173204C (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia

Publications (2)

Publication Number	Publication Date
CA2297940A1 CA2297940A1 (fr)	1995-04-13
CA2297940C true CA2297940C (fr)	2002-09-10

Family

ID=25678405

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
CA002297940A Expired - Lifetime CA2297940C (fr)	1993-10-01	1994-03-16	Materiel de videoconference a deux moniteurs
CA002290701A Abandoned CA2290701A1 (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia
CA002204442A Expired - Lifetime CA2204442C (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia avec reseau de donnees et reseau a/v separes, commande par transmission d'information sur le reseau de donnees

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
CA002290701A Abandoned CA2290701A1 (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia
CA002204442A Expired - Lifetime CA2204442C (fr)	1993-10-01	1994-03-16	Systeme de collaboration multimedia avec reseau de donnees et reseau a/v separes, commande par transmission d'information sur le reseau de donnees

Country Status (1)

Country	Link
CA (3)	CA2297940C (fr)

1994
- 1994-03-16 CA CA002297940A patent/CA2297940C/fr not_active Expired - Lifetime
- 1994-03-16 CA CA002290701A patent/CA2290701A1/fr not_active Abandoned
- 1994-03-16 CA CA002204442A patent/CA2204442C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2290701A1 (fr)	1995-04-13
CA2297940A1 (fr)	1995-04-13
CA2204442C (fr)	1998-10-20
CA2204442A1 (fr)	1995-04-13

Legal Events

Date	Code	Title	Description
2000-01-07	EEER	Examination request
2014-05-19	MKEX	Expiry	Effective date: 20140317

Publication	Publication Date	Title
EP0912055B1 (fr)	2002-10-09	Système de collaboration multimedia
US7831663B2 (en)	2010-11-09	Storage and playback of media files
GB2319135A (en)	1998-05-13	Teleconferencing system having a collaboration selection facility
CA2297940C (fr)	2002-09-10	Materiel de videoconference a deux moniteurs