NL7701635A - Toonfrequente decodeerinrichting. - Google Patents

Toonfrequente decodeerinrichting.

Info

Publication number
NL7701635A
NL7701635A NL7701635A NL7701635A NL7701635A NL 7701635 A NL7701635 A NL 7701635A NL 7701635 A NL7701635 A NL 7701635A NL 7701635 A NL7701635 A NL 7701635A NL 7701635 A NL7701635 A NL 7701635A
Authority
NL
Netherlands
Prior art keywords
tone
decoder
frequent
frequent decoder
Prior art date
Application number
NL7701635A
Other languages
English (en)
Dutch (nl)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL7701635A publication Critical patent/NL7701635A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • 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
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NL7701635A 1976-02-17 1977-02-16 Toonfrequente decodeerinrichting. NL7701635A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/658,728 US4037171A (en) 1976-02-17 1976-02-17 High speed tone decoder utilizing a phase-locked loop

Publications (1)

Publication Number Publication Date
NL7701635A true NL7701635A (nl) 1977-08-19

Family

ID=24642435

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7701635A NL7701635A (nl) 1976-02-17 1977-02-16 Toonfrequente decodeerinrichting.

Country Status (9)

Country Link
US (1) US4037171A (ro)
JP (1) JPS5845868B2 (ro)
BE (1) BE851437A (ro)
CA (1) CA1084126A (ro)
DE (1) DE2706429A1 (ro)
FR (1) FR2341989A1 (ro)
GB (1) GB1574961A (ro)
IT (1) IT1072732B (ro)
NL (1) NL7701635A (ro)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159527A (en) * 1978-01-19 1979-06-26 Tokyo Shibaura Electric Co., Ltd. Wave generator
US4215427A (en) * 1978-02-27 1980-07-29 Sangamo Weston, Inc. Carrier tracking apparatus and method for a logging-while-drilling system
US4230910A (en) * 1978-08-11 1980-10-28 Tii Corporation Signalling and channel loop test circuits for station carrier telephone system
JPS594332A (ja) * 1982-06-30 1984-01-11 Nec Home Electronics Ltd ビツトクロツク発生回路
JPS6348019A (ja) * 1986-08-15 1988-02-29 Nec Corp Ｆｍ信号判別回路
US4855683A (en) * 1987-11-18 1989-08-08 Bell Communications Research, Inc. Digital phase locked loop with bounded jitter
US5422911A (en) * 1993-09-17 1995-06-06 Motorola, Inc. Frequency walled phase lock loop
DE59900216D1 (de) 1998-10-22 2001-10-04 Contraves Space Ag Zuerich Vorrichtung für den homodynen Empfang optischer phasenumgetasteter Signale
US7209532B2 (en) * 2002-03-28 2007-04-24 Harris Corporation Phase lock loop and method for coded waveforms

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2930892A (en) * 1954-03-26 1960-03-29 Sperry Rand Corp Demodulator for a phase or frequency modulated signal
US3080533A (en) * 1959-01-29 1963-03-05 Gen Electric Phase-lock oscillator
US3199037A (en) * 1962-09-25 1965-08-03 Thompson Ramo Wooldridge Inc Phase-locked loops
US3336534A (en) * 1965-02-08 1967-08-15 Hughes Aircraft Co Multi-phase detector and keyed-error detector phase-locked-loop
US3456196A (en) * 1966-12-30 1969-07-15 Bell Telephone Labor Inc Digital automatic frequency control system
GB1361783A (en) * 1971-09-10 1974-07-30 Marconi Instruments Ltd Frequency synchronisers
US3952261A (en) * 1972-11-06 1976-04-20 Fujitsu Ltd. Signal detection circuit
US3922602A (en) * 1974-10-11 1975-11-25 Motorola Inc Lock detector for a phase locked loop

Also Published As

Publication number Publication date
FR2341989A1 (fr) 1977-09-16
IT1072732B (it) 1985-04-10
FR2341989B1 (ro) 1982-10-29
US4037171A (en) 1977-07-19
JPS5845868B2 (ja) 1983-10-13
CA1084126A (en) 1980-08-19
JPS52100808A (en) 1977-08-24
DE2706429A1 (de) 1977-08-18
GB1574961A (en) 1980-09-17
BE851437A (fr) 1977-05-31

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Legal Events

Date Code Title Description
BV The patent application has lapsed