JPS5656082A - Television receiver - Google Patents

Television receiver

Info

Publication number
JPS5656082A
JPS5656082A JP13219779A JP13219779A JPS5656082A JP S5656082 A JPS5656082 A JP S5656082A JP 13219779 A JP13219779 A JP 13219779A JP 13219779 A JP13219779 A JP 13219779A JP S5656082 A JPS5656082 A JP S5656082A
Authority
JP
Japan
Prior art keywords
signal
tuner
sub
screen
channel broadcast
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.)
Pending
Application number
JP13219779A
Other languages
Japanese (ja)
Inventor
Seisuke Yamanaka
Makoto Onga
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP13219779A priority Critical patent/JPS5656082A/en
Publication of JPS5656082A publication Critical patent/JPS5656082A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems

Abstract

PURPOSE:To color a subordinate screen without using an A/D converter and D/A converter by writing direct in a memory a color subsignal that has the subcarrier component of a B-channel broadcast of a two-screen receiver. CONSTITUTION:A signal received by antenna 3 is supplied to main-creen tuner 4 and sub-screen tuner 11. This signal showing that the A-channel broadcast has been selected by tuner 4 is applied to intermediate frequency amplifying and video detecting circuit 5, which outputs main signal SA as its detection output to mixer circuit 6. On the other hand, the signal of the B-channel broadcast is channel-selected by tuner 11 and applied to intermediate frequency amplifying and video detecting circuit 12 and as its detection output, sub signal SB is obtained and written in memories 14 and 15 via switch 13. Sub signal SB is extracted via switch 18 and, after having a clock component removed by LPF19, is applied to mixer circuit 6, where it is mixed with main signal SA. The composite signal has three primary signals R, G and B modulated and is applied to CRT9.
JP13219779A 1979-10-13 1979-10-13 Television receiver Pending JPS5656082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13219779A JPS5656082A (en) 1979-10-13 1979-10-13 Television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13219779A JPS5656082A (en) 1979-10-13 1979-10-13 Television receiver

Publications (1)

Publication Number Publication Date
JPS5656082A true JPS5656082A (en) 1981-05-16

Family

ID=15075658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13219779A Pending JPS5656082A (en) 1979-10-13 1979-10-13 Television receiver

Country Status (1)

Country Link
JP (1) JPS5656082A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61171293A (en) * 1985-01-25 1986-08-01 Toshiba Corp Magnetic recording and reproducing device
JPS6229298A (en) * 1985-07-30 1987-02-07 Matsushita Electric Ind Co Ltd Compression system for color picture signal
JPH0194788A (en) * 1987-10-07 1989-04-13 Hitachi Ltd Special image device
JPH01293781A (en) * 1988-05-20 1989-11-27 Mitsubishi Electric Corp Picture storing system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61171293A (en) * 1985-01-25 1986-08-01 Toshiba Corp Magnetic recording and reproducing device
JPS6229298A (en) * 1985-07-30 1987-02-07 Matsushita Electric Ind Co Ltd Compression system for color picture signal
JPH0194788A (en) * 1987-10-07 1989-04-13 Hitachi Ltd Special image device
JPH01293781A (en) * 1988-05-20 1989-11-27 Mitsubishi Electric Corp Picture storing system

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