FR2143213A1 - - Google Patents

Info

Publication number
FR2143213A1
FR2143213A1 FR7222405A FR7222405A FR2143213A1 FR 2143213 A1 FR2143213 A1 FR 2143213A1 FR 7222405 A FR7222405 A FR 7222405A FR 7222405 A FR7222405 A FR 7222405A FR 2143213 A1 FR2143213 A1 FR 2143213A1
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.)
Withdrawn
Application number
FR7222405A
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.)
Filing date
Publication date
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2143213A1 publication Critical patent/FR2143213A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/0806—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the signals being two or more video signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
FR7222405A 1971-06-21 1972-06-21 Withdrawn FR2143213A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15507871A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
FR2143213A1 true FR2143213A1 (fr) 1973-02-02

Family

ID=22554040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222405A Withdrawn FR2143213A1 (fr) 1971-06-21 1972-06-21

Country Status (7)

Country Link
US (1) US3725571A (fr)
BE (1) BE785112A (fr)
CA (1) CA953412A (fr)
DE (1) DE2230348A1 (fr)
ES (1) ES403638A1 (fr)
FR (1) FR2143213A1 (fr)
GB (1) GB1381789A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857999A (en) * 1973-05-25 1974-12-31 Westinghouse Electric Corp Converter for a line shared educational tv system
US3991266A (en) * 1974-09-03 1976-11-09 Sanders Associates, Inc. Dual image television
US4051532A (en) * 1975-06-19 1977-09-27 Matsushita Electric Company Of America Auxiliary signal processing circuit for television receivers
US4517592A (en) * 1982-08-20 1985-05-14 Levy Paul M Television system
WO1988001464A1 (fr) * 1986-08-19 1988-02-25 Abbotville Pty. Ltd. Reception et emission televisees pour l'affichage d'une image amelioree
US4821101A (en) * 1987-02-19 1989-04-11 Isix, Inc. Video system, method and apparatus
US4847690A (en) * 1987-02-19 1989-07-11 Isix, Inc. Interleaved video system, method and apparatus
US5724091A (en) * 1991-11-25 1998-03-03 Actv, Inc. Compressed digital data interactive program system
US7448063B2 (en) 1991-11-25 2008-11-04 Actv, Inc. Digital interactive system for providing full interactivity with live programming events
US7079176B1 (en) 1991-11-25 2006-07-18 Actv, Inc. Digital interactive system for providing full interactivity with live programming events
US20010013123A1 (en) * 1991-11-25 2001-08-09 Freeman Michael J. Customized program creation by splicing server based video, audio, or graphical segments
US5537141A (en) * 1994-04-15 1996-07-16 Actv, Inc. Distance learning system providing individual television participation, audio responses and memory for every student
US5632007A (en) * 1994-09-23 1997-05-20 Actv, Inc. Interactive system and method for offering expert based interactive programs
US5682196A (en) * 1995-06-22 1997-10-28 Actv, Inc. Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers
US7305691B2 (en) 2001-05-07 2007-12-04 Actv, Inc. System and method for providing targeted programming outside of the home
US20020194589A1 (en) * 2001-05-08 2002-12-19 Cristofalo Michael Technique for optimizing the delivery of advertisements and other programming segments by making bandwidth tradeoffs
US20030058707A1 (en) * 2001-09-12 2003-03-27 Dilger Bruce C. System and process for implementing commercial breaks in programming
US7075899B2 (en) * 2002-05-21 2006-07-11 Actv, Inc. System and method for providing private in-band data to digital set-top boxes in a broadcast environment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3358079A (en) * 1963-08-02 1967-12-12 Jr Thomas A Banning Stereoscopic televsion including means to select either three dimensional or two dimensional reception
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
US3484544A (en) * 1965-10-21 1969-12-16 Charger Electronic Systems Inc Frequency interlacing of multi-video programs
US3401299A (en) * 1966-07-14 1968-09-10 Bell Telephone Labor Inc Video storage tube
US3562421A (en) * 1967-08-03 1971-02-09 Ward Electronic Ind Television time multiplexing system
US3660599A (en) * 1969-07-16 1972-05-02 Int Standard Electric Corp Method of and circuit arrangement for picture transmission using multiplex techniques

Also Published As

Publication number Publication date
GB1381789A (en) 1975-01-29
BE785112A (fr) 1972-12-20
ES403638A1 (es) 1975-12-16
US3725571A (en) 1973-04-03
CA953412A (en) 1974-08-20
DE2230348A1 (de) 1973-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse