FR1146149A - Téléphone avec télévision - Google Patents

Téléphone avec télévision

Info

Publication number
FR1146149A
FR1146149A FR1146149DA FR1146149A FR 1146149 A FR1146149 A FR 1146149A FR 1146149D A FR1146149D A FR 1146149DA FR 1146149 A FR1146149 A FR 1146149A
Authority
FR
France
Prior art keywords
television
telephone
Prior art date
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
Other languages
English (en)
French (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.)
AT&T Corp
Original Assignee
Western Electric Co 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.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1146149A publication Critical patent/FR1146149A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
FR1146149D 1955-05-05 1956-02-10 Téléphone avec télévision Expired FR1146149A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US506235A US2878310A (en) 1955-05-05 1955-05-05 Two-way television over telephone lines

Publications (1)

Publication Number Publication Date
FR1146149A true FR1146149A (fr) 1957-11-06

Family

ID=24013755

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1146149D Expired FR1146149A (fr) 1955-05-05 1956-02-10 Téléphone avec télévision

Country Status (5)

Country Link
US (1) US2878310A (enEXAMPLES)
BE (1) BE546828A (enEXAMPLES)
DE (1) DE1022635B (enEXAMPLES)
FR (1) FR1146149A (enEXAMPLES)
GB (1) GB790180A (enEXAMPLES)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2003522A1 (enEXAMPLES) * 1968-03-08 1969-11-07 Westinghouse Electric Corp

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB931525A (en) * 1959-11-20 1963-07-17 Tokyo Shibaura Electric Co Systems for preventing drop-out in video tape reproduction
DE1155476B (de) * 1961-09-19 1963-10-10 Siemens Ag Verfahren und Vorrichtung zur Speicherung von einzelnen Fernsehbildern auf endlosen Aufzeichnungsspuren
DE1214719B (de) * 1963-09-18 1966-04-21 Telefunken Patent Verfahren zur Magnetbandaufzeichnung und -wiedergabe genormter Fernsehsignale fuer Heimzwecke und Anordnung zur Durchfuehrung des Verfahrens
US3488435A (en) * 1965-07-29 1970-01-06 Bell Telephone Labor Inc Time-division multiplex system wherein a vidicon is used for frame storage of video signals
US3482040A (en) * 1966-02-11 1969-12-02 John F Brinster Image transmission system
US3525807A (en) * 1967-07-25 1970-08-25 Bell Telephone Labor Inc Telephone-television substation apparatus
GB1236776A (en) * 1967-10-24 1971-06-23 Matsushita Electric Industrial Co Ltd Television telephone system
US3974337A (en) * 1967-10-24 1976-08-10 Matsushita Electric Industrial Co., Ltd. FM television telephone system
US3610824A (en) * 1968-09-11 1971-10-05 Xerox Corp Facsimile scanning apparatus
DE1921702B2 (de) * 1969-04-28 1973-09-06 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zur uebertragung fernsehkompatibler bild- und toninformationen mittels tonfrequenz und anordnung zur durchfuehrung des verfahrens
JPS518287B1 (enEXAMPLES) * 1969-09-26 1976-03-16
GB1393674A (en) * 1971-06-01 1975-05-07 Rca Corp Telephone image transmission system
US3851095A (en) * 1972-08-07 1974-11-26 Telescan Communications Syst I Communication system for transmitting video information through media of restricted bandwidth
DE2652935C3 (de) * 1976-11-22 1984-09-27 Bts-Systementwicklungs Gmbh, 1000 Berlin Verfahren und Anordnung zur Bildfrequenzwandlung
GB2267625B (en) * 1992-05-20 1996-08-21 Northern Telecom Ltd Video services

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2017883A (en) * 1924-03-17 1935-10-22 Vladimir K Zworykin Television system
US2202605A (en) * 1936-08-29 1940-05-28 Telefunken Gmbh Television system
US2314471A (en) * 1940-08-24 1943-03-23 Bell Telephone Labor Inc Two-way television and speech television
US2321611A (en) * 1942-02-12 1943-06-15 Joseph B Brennan Television
US2629011A (en) * 1949-12-30 1953-02-17 Bell Telephone Labor Inc Television system having reduced transmission bandwidth
US2629010A (en) * 1949-12-30 1953-02-17 Bell Telephone Labor Inc Television system having reduced transmission bandwidth
BE526230A (enEXAMPLES) * 1950-06-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2003522A1 (enEXAMPLES) * 1968-03-08 1969-11-07 Westinghouse Electric Corp

Also Published As

Publication number Publication date
US2878310A (en) 1959-03-17
DE1022635B (de) 1958-01-16
GB790180A (en) 1958-02-05
BE546828A (enEXAMPLES)

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