GB1535410A - Circuit arrangement for a television receiver - Google Patents

Circuit arrangement for a television receiver

Info

Publication number
GB1535410A
GB1535410A GB41658/76A GB4165876A GB1535410A GB 1535410 A GB1535410 A GB 1535410A GB 41658/76 A GB41658/76 A GB 41658/76A GB 4165876 A GB4165876 A GB 4165876A GB 1535410 A GB1535410 A GB 1535410A
Authority
GB
United Kingdom
Prior art keywords
picture signal
picture
sync
display
main picture
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
GB41658/76A
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.)
SABA Schwarzwaelder Apparate Bau Anstalt August Schwer Soehne GmbH
SABA GmbH
Original Assignee
SABA Schwarzwaelder Apparate Bau Anstalt August Schwer Soehne GmbH
SABA GmbH
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
Priority claimed from DE2614199A external-priority patent/DE2614199C3/en
Priority claimed from DE19762627338 external-priority patent/DE2627338B2/en
Application filed by SABA Schwarzwaelder Apparate Bau Anstalt August Schwer Soehne GmbH, SABA GmbH filed Critical SABA Schwarzwaelder Apparate Bau Anstalt August Schwer Soehne GmbH
Priority to US05/778,579 priority Critical patent/US4085424A/en
Publication of GB1535410A publication Critical patent/GB1535410A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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)
  • Studio Circuits (AREA)
  • Television Systems (AREA)

Abstract

1535410 Television receivers SABA SCHWARZWAELDER APPARATE-BAUANSTALT AUGUST SCHWER SOEHNE GmbH 7 Oct 1976 [2 April 1976 18 June 1976] 41658/76 Heading H4F A television receiver is arranged to display a main picture from one transmitted programme, a part of the picture from another programme being displayed in a blanked portion of the main picture. The receiver includes two tuners 3, 5, two i.f. stages 4, 9, and two horizontal and vertical sync. separation stages 7, 13. The main picture signal passes via tuner 3 and a changeover stage 12 to the display tube 8. A comparator 14 responsive to the sync. signals controls the changeover stage. It causes the second picture signal, from tuner 5, to pass to the tube 8 so that a partial picture appears in that quadrant (II) of the display that would contain no horizontal (H2) or vertical (V2) sync. band were the whole of the second picture signal to be superimposed on the main picture signal (Fig. 4, not shown).
GB41658/76A 1976-04-02 1976-10-07 Circuit arrangement for a television receiver Expired GB1535410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/778,579 US4085424A (en) 1976-06-18 1977-03-17 Phase-comparison logic circuit for dual signal television reception

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2614199A DE2614199C3 (en) 1976-04-02 1976-04-02 Television receiver with a circuit arrangement for the simultaneous playback of several programs
DE19762627338 DE2627338B2 (en) 1976-06-18 1976-06-18 Television receiver with a circuit arrangement for the simultaneous playback of several programs

Publications (1)

Publication Number Publication Date
GB1535410A true GB1535410A (en) 1978-12-13

Family

ID=25770294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41658/76A Expired GB1535410A (en) 1976-04-02 1976-10-07 Circuit arrangement for a television receiver

Country Status (11)

Country Link
AT (1) AT352801B (en)
AU (1) AU502137B2 (en)
CH (1) CH595738A5 (en)
DK (1) DK502676A (en)
ES (1) ES454659A1 (en)
FR (1) FR2346924A1 (en)
GB (1) GB1535410A (en)
HK (1) HK77879A (en)
NL (1) NL7611220A (en)
NO (1) NO763410L (en)
YU (1) YU7377A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2628737C3 (en) * 1976-06-25 1980-06-26 Deutsche Itt Industries Gmbh, 7800 Freiburg Television receiver with a device for the simultaneous playback of several programs

Also Published As

Publication number Publication date
HK77879A (en) 1979-11-16
ATA728776A (en) 1979-03-15
DK502676A (en) 1977-10-03
AU502137B2 (en) 1979-07-12
AT352801B (en) 1979-10-10
YU7377A (en) 1982-06-30
CH595738A5 (en) 1978-02-28
AU2344277A (en) 1978-09-28
ES454659A1 (en) 1977-12-01
NO763410L (en) 1977-10-04
NL7611220A (en) 1977-10-04
FR2346924A1 (en) 1977-10-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee