FR2003522B1 - - Google Patents

Info

Publication number: FR2003522B1
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

FR696906482A

Other versions

FR2003522A1 (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.)

CBS Corp

Original Assignee

Westinghouse Electric Corp

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.)

1968-03-08

Filing date

1969-03-07

Publication date

1973-05-25

1969-03-07 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1969-11-07 Publication of FR2003522A1 publication Critical patent/FR2003522A1/fr

1973-05-25 Application granted granted Critical

1973-05-25 Publication of FR2003522B1 publication Critical patent/FR2003522B1/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
- H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Signal Processing For Recording (AREA)

FR696906482A 1968-03-08 1969-03-07 Expired FR2003522B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US71169068A	1968-03-08	1968-03-08

Publications (2)

Publication Number	Publication Date
FR2003522A1 FR2003522A1 (fr)	1969-11-07
FR2003522B1 true FR2003522B1 (fr)	1973-05-25

Family

ID=24859115

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR696906482A Expired FR2003522B1 (fr)	1968-03-08	1969-03-07

Country Status (4)

Country	Link
US (1)	US3564127A (fr)
DE (1)	DE1911460A1 (fr)
FR (1)	FR2003522B1 (fr)
GB (1)	GB1263981A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3663749A (en) *	1969-11-24	1972-05-16	Ibm	Slow scan video method and system
DE2237255B2 (de) *	1971-07-31	1975-10-09	K.K. Ricoh, Tokio	Verfahren und Einrichtung zum Verarbeiten von Videosignalen
US3974329A (en) *	1971-08-09	1976-08-10	Zenzefilis George E	Transmission of video pictures at audio frequencies
US3715498A (en) *	1971-09-07	1973-02-06	Rca Corp	Scanning system which includes means for controlling picture sampling density
US3811007A (en) *	1971-11-11	1974-05-14	Tektronix Inc	Facsimile method and apparatus
US3789137A (en) *	1972-04-07	1974-01-29	Westinghouse Electric Corp	Time compression of audio signals
US3792194A (en) *	1972-06-05	1974-02-12	Westinghouse Electric Corp	Scan conversion apparatus
JPS5520283B2 (fr) *	1972-07-05	1980-06-02
JPS5622191B2 (fr) *	1972-07-19	1981-05-23
US3825677A (en) *	1972-08-25	1974-07-23	Arvin Ind Inc	Television scan converter bandwidth reduction device
US3843837A (en) *	1973-08-10	1974-10-22	Rca Corp	Apparatus for generating sample pulses in a telephone image transmission system
US3975764A (en) *	1973-10-12	1976-08-17	Matsushita Electric Industrial Co., Ltd.	Television signal recording and reproducing system
US4058835A (en) *	1974-11-08	1977-11-15	Westinghouse Electric Corporation	Scan conversion apparatus
FR2305901A1 (fr) *	1975-03-28	1976-10-22	Thomson Brandt	Procede de diffusion d'images animees, appareils et enregistrements appliquant ce procede
US4326262A (en) *	1978-10-16	1982-04-20	Clement Alvin H	Universal signal generator and signal parameter comparator
JPS59201594A (ja) *	1983-04-22	1984-11-15	Victor Co Of Japan Ltd	デイジタルビデオ信号再生装置
US5010419A (en) *	1986-12-04	1991-04-23	James C. Wickstead	Apparatus for storing video signals on audio cassette
US4953196A (en) *	1987-05-13	1990-08-28	Ricoh Company, Ltd.	Image transmission system
GB2257592A (en) *	1991-07-11	1993-01-13	Peter Barry Moss	Slow scan conversion circuit
US6059268A (en) *	1998-05-06	2000-05-09	Santelli, Jr.; Albert	Bumper system for limiting the mobility of a wheeled device
WO2001050608A1 (fr) *	2000-01-03	2001-07-12	Levenson David J	Clavier ergonomique reglable pour manipulation par paume de la main en position stationnaire et elements de ce clavier
US8290765B2 (en) *	2005-03-16	2012-10-16	Research In Motion Limited	Handheld electronic device with reduced keyboard and associated method of providing improved disambiguation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2874214A (en) *	1953-06-09	1959-02-17	Bell Telephone Labor Inc	Magnetic recording system for storing and reproducing television signals
BE546828A (fr) *	1955-05-05
US2955159A (en) *	1958-10-01	1960-10-04	Itt	Narrow-band video communication system
US3134853A (en) *	1961-01-26	1964-05-26	Okamura Shiro	Magnetic recording and reproducing system for periodical signals
US3284567A (en) *	1963-11-26	1966-11-08	Ball Brothers Res Corp	Narrow bandwidth television system
US3423526A (en) *	1965-01-21	1969-01-21	Hughes Aircraft Co	Narrow-band television
US3478164A (en) *	1966-12-23	1969-11-11	Colorado Video	Scan converter and television scan converter system

1968
- 1968-03-08 US US711690A patent/US3564127A/en not_active Expired - Lifetime
1969
- 1969-02-18 GB GB8756/69A patent/GB1263981A/en not_active Expired
- 1969-03-06 DE DE19691911460 patent/DE1911460A1/de active Pending
- 1969-03-07 FR FR696906482A patent/FR2003522B1/fr not_active Expired

Also Published As

Publication number	Publication date
US3564127A (en)	1971-02-16
FR2003522A1 (fr)	1969-11-07
DE1911460A1 (de)	1969-11-06
GB1263981A (en)	1972-02-16

Publication	Publication Date	Title
AU428130B2 (fr)	1972-09-14
FR2003522B1 (fr)	1973-05-25
AU5184069A (fr)	1970-07-17
AU6168869A (fr)	1971-04-08
AU6171569A (fr)	1971-04-08
AU4811568A (fr)	1974-08-01
AU4744468A (fr)	1970-06-18
BE709446A (fr)	1968-05-30
BE709274A (fr)	1968-07-12
BE727842A (fr)	1969-07-16
BE727362A (fr)	1969-07-01
BE727300A (fr)	1969-07-01
BE726977A (fr)	1969-07-01
BE726973A (fr)	1969-07-16
BE726780A (fr)	1969-07-10
BE726402A (fr)	1969-06-16
BE725901A (fr)	1969-06-20
BE713870A (fr)	1968-09-16
BE713765A (fr)	1968-09-16
BE709496A (fr)	1968-07-17
BE709484A (fr)	1968-05-30
BE709479A (fr)	1968-07-17
BE728256A (fr)	1969-07-16
BE709435A (fr)	1968-07-16
BE709415A (fr)	1968-05-30

Legal Events

Date	Code	Title	Description
1979-05-25	ST	Notification of lapse