NL7411668A - TELEVISION SYSTEM. - Google Patents

TELEVISION SYSTEM.

Info

Publication number: NL7411668A
Authority: NL; Netherlands
Prior art keywords: television system; television
Prior art date: 1973-09-04

Application number

NL7411668A

Other languages

Dutch (nl)

Original Assignee

Gen Electric Co Ltd

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.)

1973-09-04

Filing date

1974-09-03

Publication date

1975-03-06

1973-09-04 Priority claimed from GB4144573A external-priority patent/GB1467240A/en

1974-09-03 Application filed by Gen Electric Co Ltd filed Critical Gen Electric Co Ltd

1975-03-06 Publication of NL7411668A publication Critical patent/NL7411668A/en

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
- H04N7/087—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 with signal insertion during the vertical blanking interval only
- H04N7/088—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 with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—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 with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Systems (AREA)

NL7411668A 1973-09-04 1974-09-03 TELEVISION SYSTEM. NL7411668A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB4144573A GB1467240A (en)	1973-09-04	1973-09-04	Television systems
GB5061673		1973-10-31

Publications (1)

Publication Number	Publication Date
NL7411668A true NL7411668A (en)	1975-03-06

Family

ID=26264675

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7411668A NL7411668A (en)	1973-09-04	1974-09-03	TELEVISION SYSTEM.

Country Status (3)

Country	Link
JP (1)	JPS5074318A (en)
DE (1)	DE2442012A1 (en)
NL (1)	NL7411668A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2740329C2 (en) *	1976-09-06	1987-03-26	L'Etat Français, représenté par le Secrétaire d'Etat aux Postes et Télécommunications (Centre National d'Etudes des Télécommunications), Issy-les-Moulineaux	Teletext system
JPS55156485A (en) *	1979-05-23	1980-12-05	Sony Corp	Character broadcast receiver
DE2926501C2 (en) *	1979-06-30	1982-04-08	Dornier System Gmbh, 7990 Friedrichshafen	Circuit arrangement with interactive user dialogs simulating operation in teletext / cable text systems without a return channel
DE3012429C2 (en) *	1980-03-31	1983-01-20	Siemens AG, 1000 Berlin und 8000 München	Procedure for reducing waiting times in information systems
DE3038088C2 (en) *	1980-10-09	1982-09-09	Institut für Rundfunktechnik GmbH, 8000 München	Data receiver for a data signal keyed into a video signal

1974
- 1974-09-03 DE DE2442012A patent/DE2442012A1/en not_active Ceased
- 1974-09-03 NL NL7411668A patent/NL7411668A/en not_active Application Discontinuation
- 1974-09-04 JP JP10183874A patent/JPS5074318A/ja active Pending

Also Published As

Publication number	Publication date
JPS5074318A (en)	1975-06-19
DE2442012A1 (en)	1975-04-03

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Legal Events

Date	Code	Title	Description
1981-10-01	BA	A request for search or an international-type search has been filed
1983-05-02	BV	The patent application has lapsed