JPS54145419A - Blanking inhibiting circuit for radio receiver - Google Patents

Blanking inhibiting circuit for radio receiver

Info

Publication number
JPS54145419A
JPS54145419A JP3540379A JP3540379A JPS54145419A JP S54145419 A JPS54145419 A JP S54145419A JP 3540379 A JP3540379 A JP 3540379A JP 3540379 A JP3540379 A JP 3540379A JP S54145419 A JPS54145419 A JP S54145419A
Authority
JP
Japan
Prior art keywords
blanking
radio receiver
inhibiting circuit
inhibiting
circuit
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
JP3540379A
Other languages
English (en)
Inventor
Jiyon Oogasutein Maikeru
Uiriamuzu Ueido
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of JPS54145419A publication Critical patent/JPS54145419A/ja
Pending 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • 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
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
JP3540379A 1978-03-27 1979-03-26 Blanking inhibiting circuit for radio receiver Pending JPS54145419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/890,735 US4236254A (en) 1978-03-27 1978-03-27 Radio receiver blanker inhibit circuit

Publications (1)

Publication Number Publication Date
JPS54145419A true JPS54145419A (en) 1979-11-13

Family

ID=25397080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3540379A Pending JPS54145419A (en) 1978-03-27 1979-03-26 Blanking inhibiting circuit for radio receiver

Country Status (9)

Country Link
US (1) US4236254A (ja)
EP (1) EP0004418B1 (ja)
JP (1) JPS54145419A (ja)
AU (1) AU524607B2 (ja)
BR (1) BR7901813A (ja)
CA (1) CA1127718A (ja)
DE (1) DE2964243D1 (ja)
IL (1) IL56770A (ja)
MX (1) MX148809A (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1196966A (en) * 1982-03-23 1985-11-19 Kouzou Kage Interference wave detection circuit for use in radio receiver
US4466129A (en) * 1982-05-06 1984-08-14 Motorola, Inc. Noise reducing circuitry for single sideband receivers
US4638439A (en) * 1983-05-05 1987-01-20 Pitney Bowes Inc. Postage metering system with display
US4510624A (en) * 1983-09-22 1985-04-09 Motorola, Inc. Noise blanking arrangement to minimize blanker splatter
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US4825448A (en) * 1986-08-07 1989-04-25 International Mobile Machines Corporation Subscriber unit for wireless digital telephone system
US4856084A (en) * 1988-02-16 1989-08-08 Sprague Electric Company Noise blanking system for an AM radio receiver
GB2243054B (en) * 1990-03-09 1993-12-08 Motorola Gmbh Radio receiver with noise blanker
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5463662A (en) * 1994-04-08 1995-10-31 Echelon Corporation Apparatus and method for reducing errors in data caused by noise through use of blanking
US7444126B1 (en) * 1995-12-22 2008-10-28 Microtune (Texas), L.P. Signal-to-noise optimized fully monolithic video receiver IF channel
DE10052906A1 (de) * 2000-10-25 2002-05-08 Siemens Ag Tragbares elektronisches Gerät

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3079558A (en) * 1960-12-05 1963-02-26 Collins Radio Co Squelch circuit
US3140446A (en) * 1962-08-03 1964-07-07 Gen Electric Communication receiver with noise blanking
US3140445A (en) * 1962-08-03 1964-07-07 Gen Electric Communication receiver with noise blanking
US3284714A (en) * 1963-03-12 1966-11-08 Motorola Inc Noise reducing system
US3699457A (en) * 1971-08-11 1972-10-17 Motorola Inc Noise blanker circuit including rate bias and rate shutoff circuitry and audio blanking
DE2424450C3 (de) * 1974-05-20 1979-04-05 Allgemeine Elektricitaets-Gesellschaft Aeg-Telefunken, 6000 Frankfurt Schaltungsanordnung zur Detektion von Störsignalen und zum Auslösen eines Impulses beim Auftreten von Störsignalen
US3978412A (en) * 1975-05-02 1976-08-31 Rockwell International Corporation Radio receiver noise suppression

Also Published As

Publication number Publication date
MX148809A (es) 1983-06-22
IL56770A (en) 1982-02-28
EP0004418B1 (en) 1982-12-15
EP0004418A3 (en) 1979-10-31
DE2964243D1 (en) 1983-01-20
BR7901813A (pt) 1979-11-20
CA1127718A (en) 1982-07-13
IL56770A0 (en) 1979-05-31
EP0004418A2 (en) 1979-10-03
US4236254A (en) 1980-11-25
AU524607B2 (en) 1982-09-23
AU4535279A (en) 1979-10-04

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