GB1342596A - Video transmission systems - Google Patents

Video transmission systems

Info

Publication number
GB1342596A
GB1342596A GB1342596DA GB1342596A GB 1342596 A GB1342596 A GB 1342596A GB 1342596D A GB1342596D A GB 1342596DA GB 1342596 A GB1342596 A GB 1342596A
Authority
GB
United Kingdom
Prior art keywords
television
receiver
signal
colour
monochrome
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
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.)
Sparkes J J
Original Assignee
Sparkes J J
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 Sparkes J J filed Critical Sparkes J J
Publication of GB1342596A publication Critical patent/GB1342596A/en
Expired 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

Abstract

1342596 Multiplex radio signalling; television J J SPARKES 19 April 1971 [16 Feb 1970] 7379/70 Headings H4L and H4F Two different monochrome television picture signals are transmitted over a single colour television channel by modulating the subcarrier normally modulated by the colour television chrominance signal with one monochrome signal, the other monochrome signal being transmitted in place of the colour television luminance signal. The transmitter includes two cameras operated in synchronism, and the receiver two CRT display tubes. The receiver may be provided with switching means so that it may function as a normal colour receiver.
GB1342596D 1971-04-19 1971-04-19 Video transmission systems Expired GB1342596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB737970 1971-04-19

Publications (1)

Publication Number Publication Date
GB1342596A true GB1342596A (en) 1974-01-03

Family

ID=9832015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1342596D Expired GB1342596A (en) 1971-04-19 1971-04-19 Video transmission systems

Country Status (1)

Country Link
GB (1) GB1342596A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209106A (en) * 1987-08-25 1989-04-26 David Lawrence Allen A dual screen television system
FR2647291A1 (en) * 1989-05-19 1990-11-23 Nabati Bahmann Process for real-time compression and expansion of high-definition black and white images

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2209106A (en) * 1987-08-25 1989-04-26 David Lawrence Allen A dual screen television system
FR2647291A1 (en) * 1989-05-19 1990-11-23 Nabati Bahmann Process for real-time compression and expansion of high-definition black and white images

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees