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 GB41563/76A priority patent/GB1529080A/en
Priority to AU18410/76A priority patent/AU504958B2/en
Priority to NLAANVRAGE7611051,A priority patent/NL189331C/en
Priority to CA262,995A priority patent/CA1073059A/en
Priority to FR7630334A priority patent/FR2327672A1/en
Priority to US05/731,018 priority patent/US4049918A/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

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
GB41563/76A GB1529080A (en) 1975-10-09 1976-10-06 Mpx stereo signal demodulators
AU18410/76A AU504958B2 (en) 1975-10-09 1976-10-06 Mpx demodulator
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
FR7630334A FR2327672A1 (en) 1975-10-09 1976-10-08 STEREOPHONIC DEMODULATOR MADE IN THE FORM OF AN INTEGRATED CIRCUIT
US05/731,018 US4049918A (en) 1975-10-09 1976-10-08 MPX stereo signal demodulator
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

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