JPS5335302A - Cancel circuit for mpx decoder pilot signal - Google Patents

Cancel circuit for mpx decoder pilot signal

Info

Publication number
JPS5335302A
JPS5335302A JP10879376A JP10879376A JPS5335302A JP S5335302 A JPS5335302 A JP S5335302A JP 10879376 A JP10879376 A JP 10879376A JP 10879376 A JP10879376 A JP 10879376A JP S5335302 A JPS5335302 A JP S5335302A
Authority
JP
Japan
Prior art keywords
pilot signal
cancel circuit
mpx decoder
mpx
decoder
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
JP10879376A
Other languages
Japanese (ja)
Inventor
Masanori Ienaka
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 JP10879376A priority Critical patent/JPS5335302A/en
Priority to DE19772739668 priority patent/DE2739668C2/en
Publication of JPS5335302A publication Critical patent/JPS5335302A/en
Pending 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
    • H03D1/2236—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 a phase locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration

Landscapes

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

Abstract

PURPOSE:To cancel the pilot signal element of a composite signal for the stereo broadcast by using the waveform which features a fixed phase relation with the pilot signal.
JP10879376A 1976-09-13 1976-09-13 Cancel circuit for mpx decoder pilot signal Pending JPS5335302A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10879376A JPS5335302A (en) 1976-09-13 1976-09-13 Cancel circuit for mpx decoder pilot signal
DE19772739668 DE2739668C2 (en) 1976-09-13 1977-09-02 Pilot signal cancellation circuit for multiplex decoders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10879376A JPS5335302A (en) 1976-09-13 1976-09-13 Cancel circuit for mpx decoder pilot signal

Publications (1)

Publication Number Publication Date
JPS5335302A true JPS5335302A (en) 1978-04-01

Family

ID=14493611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10879376A Pending JPS5335302A (en) 1976-09-13 1976-09-13 Cancel circuit for mpx decoder pilot signal

Country Status (2)

Country Link
JP (1) JPS5335302A (en)
DE (1) DE2739668C2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190475A (en) * 1985-02-05 1986-08-25 ホワールプール・コーポレーシヨン Arresting gear for transport for appliance apparatus, etc.
US5083845A (en) * 1990-06-01 1992-01-28 Whirlpool Corporation Appliance manufacturing and transfort fixture

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174312C (en) * 1978-05-17 1984-05-16 Philips Nv STEREO DECODER WITH 19KHZ PILOT SUPPRESSION AND IMPROVED OSCILLATION PHASE LOCK.
JPS5853805B2 (en) * 1979-02-15 1983-12-01 日本ビクター株式会社 Pilot signal removal device
DE3311072A1 (en) * 1983-03-26 1984-09-27 Philips Patentverwaltung Gmbh, 2000 Hamburg METHOD FOR GENERATING AN APPROXIMATELY SINE-SHAPED SIGNAL AND CIRCUIT ARRANGEMENT FOR IMPLEMENTING THIS METHOD, ESPECIALLY FOR A STEREO DEMODULATOR

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189302A (en) * 1975-02-03 1976-08-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990805U (en) * 1972-11-27 1974-08-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189302A (en) * 1975-02-03 1976-08-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61190475A (en) * 1985-02-05 1986-08-25 ホワールプール・コーポレーシヨン Arresting gear for transport for appliance apparatus, etc.
US5083845A (en) * 1990-06-01 1992-01-28 Whirlpool Corporation Appliance manufacturing and transfort fixture

Also Published As

Publication number Publication date
DE2739668C2 (en) 1983-05-26
DE2739668A1 (en) 1978-03-16

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees