FR2315808A1 - Decodeur pour signaux de commande modules en frequence - Google Patents

Decodeur pour signaux de commande modules en frequence

Info

Publication number
FR2315808A1
FR2315808A1 FR7618552A FR7618552A FR2315808A1 FR 2315808 A1 FR2315808 A1 FR 2315808A1 FR 7618552 A FR7618552 A FR 7618552A FR 7618552 A FR7618552 A FR 7618552A FR 2315808 A1 FR2315808 A1 FR 2315808A1
Authority
FR
France
Prior art keywords
decoder
control signals
frequency modules
modules control
frequency
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
FR7618552A
Other languages
English (en)
Other versions
FR2315808B3 (fr
Inventor
Peter Bragas
Uwe Matzold
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.)
Blaupunkt Werke GmbH
Original Assignee
Blaupunkt Werke GmbH
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 Blaupunkt Werke GmbH filed Critical Blaupunkt Werke GmbH
Publication of FR2315808A1 publication Critical patent/FR2315808A1/fr
Application granted granted Critical
Publication of FR2315808B3 publication Critical patent/FR2315808B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
FR7618552A 1975-06-23 1976-06-18 Decodeur pour signaux de commande modules en frequence Granted FR2315808A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752527857 DE2527857A1 (de) 1975-06-23 1975-06-23 Decoder fuer frequenzmodulierte steuersignale

Publications (2)

Publication Number Publication Date
FR2315808A1 true FR2315808A1 (fr) 1977-01-21
FR2315808B3 FR2315808B3 (fr) 1979-03-09

Family

ID=5949717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618552A Granted FR2315808A1 (fr) 1975-06-23 1976-06-18 Decodeur pour signaux de commande modules en frequence

Country Status (7)

Country Link
US (1) US4024475A (fr)
BR (1) BR7604045A (fr)
CH (1) CH595732A5 (fr)
DE (1) DE2527857A1 (fr)
FR (1) FR2315808A1 (fr)
GB (1) GB1510406A (fr)
ZA (1) ZA763719B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052532A2 (fr) * 1980-11-10 1982-05-26 The Bendix Corporation Dispositif de silencieux pour récepteur de systèmes de communication AM à porteuses multiples

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829588A (en) * 1981-08-25 1989-05-09 Harris Corporation Automatic retransmission with pilot tone
DE3144973A1 (de) * 1981-11-12 1983-05-19 Blaupunkt-Werke Gmbh, 3200 Hildesheim Vorrichtung zum schalten von signalen
JPH0736532B2 (ja) * 1989-09-27 1995-04-19 パイオニア株式会社 交通情報受信機におけるｐｌｌ復調回路
US5594432A (en) * 1994-08-30 1997-01-14 Cobra Electronics Corp. Traffic information warning system
US6111712A (en) * 1998-03-06 2000-08-29 Cirrus Logic, Inc. Method to improve the jitter of high frequency phase locked loops used in read channels
US6078279A (en) * 1998-07-08 2000-06-20 Cobra Electronics Electromagnetic signal detector with mute feature
US6236336B1 (en) 1999-02-24 2001-05-22 Cobra Electronics Corp. Traffic information warning system with single modulated carrier
US7050775B2 (en) * 2002-07-11 2006-05-23 Itt Manufacturing Enterprises, Inc. Method and apparatus for securely enabling a radio communication unit from standby mode
US20080079543A1 (en) * 2006-09-14 2008-04-03 Bruno Fabre Apparatus for identifying and counting articles in bulk
US8122270B2 (en) * 2008-09-29 2012-02-21 Intel Corporation Voltage stabilization for clock signal frequency locking
DE102012202232A1 (de) * 2012-02-14 2013-08-14 Lufthansa Systems Ag Verfahren zur Durchführung von Durchsagen in einem Verkehrsmittel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4917884B1 (fr) * 1968-12-19 1974-05-04
US3657655A (en) * 1969-04-15 1972-04-18 Masayuki Fukata Detection system for control information
JPS4822644B1 (fr) * 1969-09-13 1973-07-07
US3755744A (en) * 1969-12-16 1973-08-28 M Fukata Receiving device for automatically demuting and remuting by two control signals sequentially transmitted from transmitter
US3921076A (en) * 1973-03-08 1975-11-18 Int Navigation Corp Method of and apparatus for locating predetermined portions of a radio-frequency pulse, particularly adapted for leading edge location of loran and similar navigational pulses
DE2408947C3 (de) * 1974-02-25 1979-02-22 Blaupunkt-Werke Gmbh, 3200 Hildesheim Schaltungsanordnung zur Frequenzerkennung auf dem Gebiet des Verkehrsfunkempfangs
US3922607A (en) * 1974-08-14 1975-11-25 Drake Co R L Radio broadcasting system
DE2522382A1 (de) * 1975-05-21 1976-12-02 Blaupunkt Werke Gmbh Schaltungsanordnung zum unterdruecken von stoerungen in einem rundfunkempfaenger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0052532A2 (fr) * 1980-11-10 1982-05-26 The Bendix Corporation Dispositif de silencieux pour récepteur de systèmes de communication AM à porteuses multiples
EP0052532A3 (en) * 1980-11-10 1982-10-20 The Bendix Corporation Squelch system for use in a multiple carrier am communications systems receiver

Also Published As

Publication number Publication date
FR2315808B3 (fr) 1979-03-09
ZA763719B (en) 1977-05-25
US4024475A (en) 1977-05-17
GB1510406A (en) 1978-05-10
BR7604045A (pt) 1977-07-05
DE2527857A1 (de) 1977-01-13
CH595732A5 (fr) 1978-02-28

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Legal Events

Date Code Title Description
ST Notification of lapse