DE2962417D1 - Signal translator with squelch - Google Patents

Signal translator with squelch

Info

Publication number
DE2962417D1
DE2962417D1 DE7979900325T DE2962417T DE2962417D1 DE 2962417 D1 DE2962417 D1 DE 2962417D1 DE 7979900325 T DE7979900325 T DE 7979900325T DE 2962417 T DE2962417 T DE 2962417T DE 2962417 D1 DE2962417 D1 DE 2962417D1
Authority
DE
Germany
Prior art keywords
squelch
signal translator
translator
signal
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
Application number
DE7979900325T
Other languages
English (en)
Inventor
Thomas Shuffield
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.)
BEI Electronics Inc
Original Assignee
BEI Electronics 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 BEI Electronics Inc filed Critical BEI Electronics Inc
Application granted granted Critical
Publication of DE2962417D1 publication Critical patent/DE2962417D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K12/00—Producing pulses by distorting or combining sinusoidal waveforms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Amplifiers (AREA)
DE7979900325T 1978-03-08 1979-03-08 Signal translator with squelch Expired DE2962417D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/884,599 US4176286A (en) 1978-03-08 1978-03-08 Signal translator with squelch
PCT/US1979/000143 WO1979000728A1 (en) 1978-03-08 1979-03-08 Signal translator with squelch

Publications (1)

Publication Number Publication Date
DE2962417D1 true DE2962417D1 (en) 1982-05-19

Family

ID=25384973

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900325T Expired DE2962417D1 (en) 1978-03-08 1979-03-08 Signal translator with squelch

Country Status (4)

Country Link
US (1) US4176286A (de)
EP (1) EP0012762B1 (de)
DE (1) DE2962417D1 (de)
WO (1) WO1979000728A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322718A (en) * 1980-05-19 1982-03-30 Paul Faierstain Sound-activated rotary device
US4375082A (en) * 1980-12-15 1983-02-22 The United States Of America As Represented By The Secretary Of The Army High speed rectangle function generator
DE69217853T2 (de) * 1991-07-01 1997-10-09 Philips Electronics Nv Tondetektor mit Nullspannungsübergangsdetektor
US5166983A (en) * 1991-07-22 1992-11-24 Motorola, Inc. Mute circuit for audio amplifiers
US5450622A (en) * 1991-07-23 1995-09-12 Ericsson Inc. Method and apparatus for providing a very fast acting noise squelch control system for an RF radio receiver
US5408694A (en) * 1992-01-28 1995-04-18 National Semiconductor Corporation Receiver squelch circuit with adjustable threshold
US7411438B2 (en) * 2003-10-10 2008-08-12 That Corporation Low-power integrated-circuit signal processor with wide dynamic range
CN110677150B (zh) * 2019-09-02 2023-06-06 安徽华东光电技术研究所有限公司 交流小信号转换直流信号的装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681989A (en) * 1952-01-31 1954-06-22 Itt Squelching system
US3332021A (en) * 1963-11-22 1967-07-18 Mcmartin Ind Inc Selective frequency gate and signalling circuit
US3336533A (en) * 1964-03-13 1967-08-15 Motorola Inc Electronic circuit
US3617904A (en) * 1969-06-05 1971-11-02 Digitronics Corp Noise insensitive peak detector
FR2143507B1 (de) * 1971-03-26 1974-04-26 Thomson Csf
BE788895A (fr) * 1971-09-17 1973-03-15 Siemens Ag Montage pour identifier sans defaut les passages par le zero des signaux de lecture de memoires a couches magnetiques
US3767938A (en) * 1972-05-26 1973-10-23 Ibm Zero sense after peak detection circuit
GB1495389A (en) * 1974-01-31 1977-12-14 Atomic Energy Authority Uk Apparatus for providing time reference signals
US3944936A (en) * 1974-08-07 1976-03-16 Rca Corporation Zero crossover detector
DE2537264C3 (de) * 1975-08-21 1978-10-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Erkennen der Null-Durchgänge von Signalen

Also Published As

Publication number Publication date
EP0012762B1 (de) 1982-04-07
US4176286A (en) 1979-11-27
WO1979000728A1 (en) 1979-10-04
EP0012762A1 (de) 1980-07-09

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee