JPS5246701A - Stereo demodulation circuit - Google Patents

Stereo demodulation circuit

Info

Publication number
JPS5246701A
JPS5246701A JP12200875A JP12200875A JPS5246701A JP S5246701 A JPS5246701 A JP S5246701A JP 12200875 A JP12200875 A JP 12200875A JP 12200875 A JP12200875 A JP 12200875A JP S5246701 A JPS5246701 A JP S5246701A
Authority
JP
Japan
Prior art keywords
demodulation circuit
stereo demodulation
muting
time
stereo
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
JP12200875A
Other languages
Japanese (ja)
Other versions
JPS5846898B2 (en
Inventor
Mitsuo Osawa
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 JP12200875A priority Critical patent/JPS5846898B2/en
Priority to AU18410/76A priority patent/AU504958B2/en
Priority to GB41563/76A priority patent/GB1529080A/en
Priority to NLAANVRAGE7611051,A priority patent/NL189331C/en
Priority to CA262,995A priority patent/CA1073059A/en
Priority to US05/731,018 priority patent/US4049918A/en
Priority to FR7630334A priority patent/FR2327672A1/en
Priority to DE2645774A priority patent/DE2645774C2/en
Publication of JPS5246701A publication Critical patent/JPS5246701A/en
Publication of JPS5846898B2 publication Critical patent/JPS5846898B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2227—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using switches for the decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PURPOSE:At the time of muting, demodulation output is hampered by control of muting control means. As result, the noise taking place at the time of muting shift and escape can be reduced.
JP12200875A 1975-10-09 1975-10-10 stereo fukuchiyou warmer Expired JPS5846898B2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP12200875A JPS5846898B2 (en) 1975-10-10 1975-10-10 stereo fukuchiyou warmer
AU18410/76A AU504958B2 (en) 1975-10-09 1976-10-06 Mpx demodulator
GB41563/76A GB1529080A (en) 1975-10-09 1976-10-06 Mpx stereo signal demodulators
NLAANVRAGE7611051,A NL189331C (en) 1975-10-09 1976-10-06 FREQUENCY MULTIPLEX STEREO SIGNAL DEMODULATOR.
CA262,995A CA1073059A (en) 1975-10-09 1976-10-08 Mpx stereo signal demodulator
US05/731,018 US4049918A (en) 1975-10-09 1976-10-08 MPX stereo signal demodulator
FR7630334A FR2327672A1 (en) 1975-10-09 1976-10-08 STEREOPHONIC DEMODULATOR MADE IN THE FORM OF AN INTEGRATED CIRCUIT
DE2645774A DE2645774C2 (en) 1975-10-09 1976-10-09 Frequency division multiplexed stereo signal demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12200875A JPS5846898B2 (en) 1975-10-10 1975-10-10 stereo fukuchiyou warmer

Publications (2)

Publication Number Publication Date
JPS5246701A true JPS5246701A (en) 1977-04-13
JPS5846898B2 JPS5846898B2 (en) 1983-10-19

Family

ID=14825270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12200875A Expired JPS5846898B2 (en) 1975-10-09 1975-10-10 stereo fukuchiyou warmer

Country Status (1)

Country Link
JP (1) JPS5846898B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241896U (en) * 1985-08-30 1987-03-13

Also Published As

Publication number Publication date
JPS5846898B2 (en) 1983-10-19

Similar Documents

Publication Publication Date Title
JPS51121239A (en) An amplification circuit
JPS53130488A (en) Glycerol-oxydase, its preparation, and determination of glycerol using glycerol-oxydase
JPS5219058A (en) Exclusive logical sum circuit
JPS52127114A (en) Muting circuit
JPS5219905A (en) Acousticon
JPS5219059A (en) Exclusive or circuit
JPS51134505A (en) Automatic telephone volume control according to the ambient noises
JPS5233418A (en) Agc circuit
JPS52136503A (en) Noise suppession circuit
JPS51117849A (en) Impedance scaler
JPS527698A (en) Evacation guiding system
JPS51123046A (en) Mono-stable multi-vibrator
JPS5216107A (en) Signal judging circuit
JPS5326642A (en) Graphic equ alizer
JPS51132095A (en) Reducing method of laser noise
JPS52130554A (en) Transistor circuit
JPS5276066A (en) Electronic timepiece
JPS51130102A (en) Photo transmission relay
JPS51122359A (en) Amplifier
JPS51136274A (en) Gate circuit
JPS5222458A (en) Delay circuit
JPS51114046A (en) Block average circuit
JPS51111037A (en) Automatic gain control circuit
JPS5346204A (en) Tone detector
JPS5368507A (en) Audio muting circuit