FR1048894A - Perfectionnements aux systèmes de télévision à haute définition - Google Patents

Perfectionnements aux systèmes de télévision à haute définition

Info

Publication number
FR1048894A
FR1048894A FR1048894DA FR1048894A FR 1048894 A FR1048894 A FR 1048894A FR 1048894D A FR1048894D A FR 1048894DA FR 1048894 A FR1048894 A FR 1048894A
Authority
FR
France
Prior art keywords
high definition
definition television
television systems
systems improvements
television
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1048894A publication Critical patent/FR1048894A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
FR1048894D 1950-10-31 1951-10-26 Perfectionnements aux systèmes de télévision à haute définition Expired FR1048894A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US193164A US2686831A (en) 1950-10-31 1950-10-31 High-definition television system and method

Publications (1)

Publication Number Publication Date
FR1048894A true FR1048894A (fr) 1953-12-24

Family

ID=22712488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1048894D Expired FR1048894A (fr) 1950-10-31 1951-10-26 Perfectionnements aux systèmes de télévision à haute définition

Country Status (4)

Country Link
US (1) US2686831A (fr)
BE (1) BE506696A (fr)
FR (1) FR1048894A (fr)
GB (1) GB704803A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076547A1 (fr) * 1981-10-01 1983-04-13 Koninklijke Philips Electronics N.V. Système de télévision à haute définition et émetteur-récepteur de télévision propre à celui-ci

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847500A (en) * 1951-08-09 1958-08-12 Zenith Radio Corp Subscription television system
US2903505A (en) * 1951-08-21 1959-09-08 Fine Harry Color television systems
US2860186A (en) * 1954-07-06 1958-11-11 Bell Telephone Labor Inc Television transmission channel sharing system
US2939918A (en) * 1954-08-24 1960-06-07 Freedman Nathan System for compressing bandwidth
US2938169A (en) * 1955-10-28 1960-05-24 Philco Corp Apparatus for improving reproduced color television images
US2954441A (en) * 1955-12-13 1960-09-27 Ampex Wide band magnetic system
NL229490A (fr) * 1957-07-12
US3048652A (en) * 1958-02-24 1962-08-07 Ampex Color television recording system and method
US3061684A (en) * 1959-02-09 1962-10-30 Cons Electrodynamics Corp Frequency band separation in translating apparatus
US3110770A (en) * 1959-09-04 1963-11-12 Faraday Electronic Instr Ltd Apparatus for use in stethoscopy
US3117278A (en) * 1960-12-19 1964-01-07 Minnesota Mining & Mfg Noise reducing system
NL7110625A (fr) * 1971-07-31 1973-02-02
JPS576755B2 (fr) * 1973-07-26 1982-02-06
US4476484A (en) * 1982-06-24 1984-10-09 At&T Bell Laboratories Technique for providing compatibility between high-definition and conventional color television
US4628344A (en) * 1982-09-14 1986-12-09 New York Institute Of Technoloy Method and apparatus for encoding and decoding video
US4701783A (en) * 1982-09-14 1987-10-20 New York Institute Of Technology Technique for encoding and decoding video with improved separation of chrominance and luminance
DE3382229D1 (de) * 1982-09-14 1991-05-02 New York Inst Techn Verfahren und vorrichtung zur kodierung und dekodierung eines videosignals.
US4523220A (en) * 1983-01-19 1985-06-11 Rca Corporation Compatible high-definition television system utilizing Hadamard basis functions
US4622578A (en) * 1983-01-28 1986-11-11 At&T Bell Laboratories Fully compatible high definition television
JPS59171387A (ja) * 1983-03-18 1984-09-27 Hitachi Ltd テレビジヨン信号の構成方法
US4630099A (en) * 1984-01-16 1986-12-16 At&T Bell Laboratories Time multiplexing chrominance information for compatible high-definition television
US4564857A (en) * 1984-02-28 1986-01-14 At&T Bell Laboratories Aspect ratio improvement for compatible high-definition television
DE3414271A1 (de) * 1984-04-14 1985-10-24 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur modulation und synchronen demodulation von nach dem prinzip der offsetmodulation/-abtastung aufbereiteten farbfernsehsignalen sowie anordnung zum durchfuehren dieses verfahrens
US4535352A (en) * 1984-04-16 1985-08-13 At&T Bell Laboratories Technique for generating semi-compatible high definition television signals for transmission over two cable TV channels
US4621287A (en) * 1984-05-29 1986-11-04 Rca Corporation Time-multiplexing of an interleaved spectrum of a television signal
US4621286A (en) * 1984-05-29 1986-11-04 Rca Corporation Spatial-temporal frequency interleaved processing of a television signal with reduced amplitude interleaved sections
EP0489713A3 (en) * 1984-05-29 1992-07-29 General Electric Company Spatial-temporal frequency interleaved processing of a television signal
US4631574A (en) * 1984-06-29 1986-12-23 At&T Bell Laboratories Compatible high-definition television with extended aspect ratio
US5032908A (en) * 1989-10-23 1991-07-16 Westinghouse Electric Corp. High definition television acoustic charge transport filter bank

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1769918A (en) * 1929-02-02 1930-07-08 Bell Telephone Labor Inc Electrooptical transmission system
US1769920A (en) * 1929-04-30 1930-07-08 Bell Telephone Labor Inc Electrooptical transmission system
GB332284A (en) * 1929-04-30 1930-07-18 Bell Telephone Labor Inc Improvements in electrical transmission systems
US1812405A (en) * 1929-05-25 1931-06-30 Bell Telephone Labor Inc Electrooptical transmission system
US1775241A (en) * 1929-05-25 1930-09-09 Bell Telephone Labor Inc Electrooptical system
US2095050A (en) * 1933-04-26 1937-10-05 Rca Corp Signaling
FR804189A (fr) * 1935-07-12 1936-10-17 Ets Edouard Belin Dispositif amplificateur pour les transmissions photo-télégraphiques
US2236502A (en) * 1938-05-19 1941-04-01 Alfred N Goldsmith Composite-delineation television

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076547A1 (fr) * 1981-10-01 1983-04-13 Koninklijke Philips Electronics N.V. Système de télévision à haute définition et émetteur-récepteur de télévision propre à celui-ci

Also Published As

Publication number Publication date
BE506696A (fr) 1900-01-01
GB704803A (en) 1954-03-03
US2686831A (en) 1954-08-17

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