FR2168276B1 - - Google Patents

Info

Publication number
FR2168276B1
FR2168276B1 FR7226030A FR7226030A FR2168276B1 FR 2168276 B1 FR2168276 B1 FR 2168276B1 FR 7226030 A FR7226030 A FR 7226030A FR 7226030 A FR7226030 A FR 7226030A FR 2168276 B1 FR2168276 B1 FR 2168276B1
Authority
FR
France
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
Application number
FR7226030A
Other versions
FR2168276A1 (fr
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.)
Italtel SpA
Siemens SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Siemens SpA
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.)
Filing date
Publication date
Application filed by Societa Italiana Telecomunicazioni Siemens SpA, Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2168276A1 publication Critical patent/FR2168276A1/fr
Application granted granted Critical
Publication of FR2168276B1 publication Critical patent/FR2168276B1/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/141Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/142Constructional details of the terminal equipment, e.g. arrangements of the camera and the display

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Studio Devices (AREA)
FR7226030A 1972-01-17 1972-07-19 Expired FR2168276B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19446/72A IT951745B (it) 1972-01-17 1972-01-17 Dispositivo per videotelefono

Publications (2)

Publication Number Publication Date
FR2168276A1 FR2168276A1 (fr) 1973-08-31
FR2168276B1 true FR2168276B1 (fr) 1974-10-04

Family

ID=11158059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7226030A Expired FR2168276B1 (fr) 1972-01-17 1972-07-19

Country Status (5)

Country Link
US (1) US3843835A (fr)
DE (1) DE2300785A1 (fr)
FR (1) FR2168276B1 (fr)
GB (1) GB1389113A (fr)
IT (1) IT951745B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716585A (en) * 1985-04-05 1987-12-29 Datapoint Corporation Gain switched audio conferencing network
US4710917A (en) * 1985-04-08 1987-12-01 Datapoint Corporation Video conferencing network
US4821307A (en) * 1987-02-10 1989-04-11 Flint Iii Paul L Image splitter for two-way imaging apparatus
US5142562A (en) * 1987-09-25 1992-08-25 Jacques Guichard Sound and vision communications terminal including an auxiliary lighting device
FR2621197B1 (fr) * 1987-09-25 1993-08-20 Guichard Jacques Terminal de communication visuelle et sonore comportant un dispositif d'eclairage d'appoint
US5014267A (en) * 1989-04-06 1991-05-07 Datapoint Corporation Video conferencing network
US7876421B2 (en) * 2008-01-29 2011-01-25 Ian Lewin Light meter apparatus and system
US8786847B2 (en) 2011-01-12 2014-07-22 Underwriters Laboratories, Inc. Light measuring meter apparatus

Also Published As

Publication number Publication date
US3843835A (en) 1974-10-22
IT951745B (it) 1973-07-10
DE2300785A1 (de) 1973-07-19
GB1389113A (en) 1975-04-03
FR2168276A1 (fr) 1973-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse