JPS5631280A - Sound multiple television receiver - Google Patents

Sound multiple television receiver

Info

Publication number
JPS5631280A
JPS5631280A JP10607679A JP10607679A JPS5631280A JP S5631280 A JPS5631280 A JP S5631280A JP 10607679 A JP10607679 A JP 10607679A JP 10607679 A JP10607679 A JP 10607679A JP S5631280 A JPS5631280 A JP S5631280A
Authority
JP
Japan
Prior art keywords
sound
signal
multiplexing
program
processing circuit
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.)
Granted
Application number
JP10607679A
Other languages
Japanese (ja)
Other versions
JPS622513B2 (en
Inventor
Shigeyoshi Kimura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10607679A priority Critical patent/JPS5631280A/en
Publication of JPS5631280A publication Critical patent/JPS5631280A/en
Publication of JPS622513B2 publication Critical patent/JPS622513B2/ja
Granted 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
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PURPOSE:To set always a proper power consumption state according to the state of sound multiplexing, by detecting the kind of the sound program of a received channel and by controlling the sound signal demodulation processing circuit according to the detected kind. CONSTITUTION:If the sound signal supplied from the television receiver to input terminal 25 belongs to the sound multiplexing program such as the bilingual or stereo program, the subchannel carrier appears in the output of band pass filter 13. Then, the subchannel carrier which is included in the sound signal only for the sound multiplexing program is detected from the sound signal of the television signal by detecting circuit 51 and sub channel detecting circuit 14 to control supply of electric power to the sound multiple signal demodulation processing circuit. Further, the sound signal processing circuit consisting of parts from input terminal 25 to sound output circuits 22 and 23 is switched according to processing for the multiplexing signal and the signal other than it.
JP10607679A 1979-08-22 1979-08-22 Sound multiple television receiver Granted JPS5631280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10607679A JPS5631280A (en) 1979-08-22 1979-08-22 Sound multiple television receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10607679A JPS5631280A (en) 1979-08-22 1979-08-22 Sound multiple television receiver

Publications (2)

Publication Number Publication Date
JPS5631280A true JPS5631280A (en) 1981-03-30
JPS622513B2 JPS622513B2 (en) 1987-01-20

Family

ID=14424494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10607679A Granted JPS5631280A (en) 1979-08-22 1979-08-22 Sound multiple television receiver

Country Status (1)

Country Link
JP (1) JPS5631280A (en)

Also Published As

Publication number Publication date
JPS622513B2 (en) 1987-01-20

Similar Documents

Publication Publication Date Title
JPS5260514A (en) Tuner
JPS5636246A (en) Stereo signal demodulating circuit
JPS5228208A (en) Fm multiplex stereo demodulator circuit
KR840005289A (en) Protection circuit for AM stereo receiver
JPS51114802A (en) Fm stereo receiver
JPS5617528A (en) Fm receiver
JPS53116018A (en) Automatic frequency control system for ssb receivers
JPS5448403A (en) Receiver
JPS5658344A (en) Signal receiver
JPS56168478A (en) Switching device of multiplex broadcasting
JPS54157002A (en) Fm receiver
JPS53139901A (en) Channel selection unit
JPS5585170A (en) Amplifier for common reception
JPS5623036A (en) Fm tuner
JPS53125716A (en) Transmission and reception unit for television signal
JPS5644277A (en) Sound multiplex receiving device
JPS5612180A (en) Sound multiplex receiver
JPS5657307A (en) Directivity switching system for reception antenna
JPS6474838A (en) Broadcast receiver for specific object group
JPS5672543A (en) Signal switching system
JPS5539461A (en) Fm receiver
JPS53105399A (en) Disaster prevention unit
JPS572133A (en) Tuner circuit
JPS57192140A (en) Multipath interference eliminating circuit
JPS5578681A (en) Receiver