JPH0577222B2 - - Google Patents

Info

Publication number
JPH0577222B2
JPH0577222B2 JP60174243A JP17424385A JPH0577222B2 JP H0577222 B2 JPH0577222 B2 JP H0577222B2 JP 60174243 A JP60174243 A JP 60174243A JP 17424385 A JP17424385 A JP 17424385A JP H0577222 B2 JPH0577222 B2 JP H0577222B2
Authority
JP
Japan
Prior art keywords
signal
receiver
level
comparison signal
output
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.)
Expired - Lifetime
Application number
JP60174243A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6235727A (ja
Inventor
Taketoshi Inoe
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP60174243A priority Critical patent/JPS6235727A/ja
Priority to EP86306082A priority patent/EP0213801A3/en
Priority to US06/893,985 priority patent/US4718115A/en
Priority to AU61005/86A priority patent/AU578585B2/en
Priority to CA000515556A priority patent/CA1249344A/en
Publication of JPS6235727A publication Critical patent/JPS6235727A/ja
Publication of JPH0577222B2 publication Critical patent/JPH0577222B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Circuits Of Receivers In General (AREA)
JP60174243A 1985-08-09 1985-08-09 自己診断機能を有する受信機 Granted JPS6235727A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60174243A JPS6235727A (ja) 1985-08-09 1985-08-09 自己診断機能を有する受信機
EP86306082A EP0213801A3 (en) 1985-08-09 1986-08-06 Radio receiver for carrying out self diagnosis without interference
US06/893,985 US4718115A (en) 1985-08-09 1986-08-07 Radio receiver for carrying out self diagnosis without interference
AU61005/86A AU578585B2 (en) 1985-08-09 1986-08-08 Radio receiver for carrying out self diagnosis without interference
CA000515556A CA1249344A (en) 1985-08-09 1986-08-08 Radio receiver for carrying out self diagnosis without interference

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60174243A JPS6235727A (ja) 1985-08-09 1985-08-09 自己診断機能を有する受信機

Publications (2)

Publication Number Publication Date
JPS6235727A JPS6235727A (ja) 1987-02-16
JPH0577222B2 true JPH0577222B2 (en]) 1993-10-26

Family

ID=15975217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60174243A Granted JPS6235727A (ja) 1985-08-09 1985-08-09 自己診断機能を有する受信機

Country Status (5)

Country Link
US (1) US4718115A (en])
EP (1) EP0213801A3 (en])
JP (1) JPS6235727A (en])
AU (1) AU578585B2 (en])
CA (1) CA1249344A (en])

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4996717A (en) * 1989-10-26 1991-02-26 Koening Robert H Radio receiver noise squelching and operational indicating alarm
US5241698A (en) * 1989-10-26 1993-08-31 Koenig Robert H Radio receiver operational checking method and system including reactive coupling
US5164960A (en) * 1990-02-15 1992-11-17 Advanced Micro Devices Inc. Medium attachment unit for use with twisted pair local area network
US5212817A (en) * 1990-09-14 1993-05-18 Atkinson Noel D Ultra high speed scan system
DE69115018T2 (de) * 1991-02-22 1996-07-25 Robert H Koenig Funktionsüberwachungssystem und Verfahren eines Funkempfängers.
US6347146B1 (en) * 1991-08-13 2002-02-12 Bose Corporation Noise reducing
JP3218736B2 (ja) * 1992-11-06 2001-10-15 ソニー株式会社 受信機およびスペースダイバーシティー受信機
US5564090A (en) * 1993-09-09 1996-10-08 Lockheed Martin Ims Corporation Method and apparatus for dynamically adjusting receiver squelch threshold
EP0848869A2 (en) * 1996-07-04 1998-06-24 Koninklijke Philips Electronics N.V. Transmission system and receiver with improved detection, and improved detection method
JP4004552B2 (ja) * 1997-09-09 2007-11-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 非信頼性検出装置及び当該非信頼性検出装置を具備する再生装置
JP4266491B2 (ja) * 2000-04-28 2009-05-20 キヤノン株式会社 光空間伝送装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1272132A (en) * 1969-09-22 1972-04-26 Pye Ltd Receiver alarm system
US4167705A (en) * 1977-07-20 1979-09-11 General Electric Company Circuit for controlling the response conditions of a radio receiver
US4355417A (en) * 1977-09-22 1982-10-19 Kozak Jr Joseph H Squelch control circuit for amplitude modulated RF receivers
DE2755221C2 (de) * 1977-12-10 1985-05-30 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur selbsttätigen Überwachung der HF-Empfindlichkeit und des NF-Ausgangspegels eines Funkempfängers und Schaltungsanordnung zur Durchführung des Verfahrens
NL184594C (nl) * 1979-09-04 1989-09-01 Philips Nv Radio-ontvanger voorzien van een frequentie gesleutelde lus met audiofrequente terugkoppeling, en een stomschakeling.
DE3138650A1 (de) * 1981-09-29 1983-04-14 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur ueberwachung einer funkempfangsanlage
FR2547138B1 (fr) * 1983-06-01 1985-07-12 Trt Telecom Radio Electr Dispositif de silencieux pour recepteur radio am/fm
US4630290A (en) * 1983-11-18 1986-12-16 Nec Corporation Squelch signal generator capable of generating a squelch signal with a high reliability

Also Published As

Publication number Publication date
CA1249344A (en) 1989-01-24
AU6100586A (en) 1987-02-12
US4718115A (en) 1988-01-05
EP0213801A3 (en) 1989-04-05
EP0213801A2 (en) 1987-03-11
AU578585B2 (en) 1988-10-27
JPS6235727A (ja) 1987-02-16

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