JPS57694B2 - - Google Patents

Info

Publication number
JPS57694B2
JPS57694B2 JP6196974A JP6196974A JPS57694B2 JP S57694 B2 JPS57694 B2 JP S57694B2 JP 6196974 A JP6196974 A JP 6196974A JP 6196974 A JP6196974 A JP 6196974A JP S57694 B2 JPS57694 B2 JP S57694B2
Authority
JP
Japan
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
JP6196974A
Other languages
Japanese (ja)
Other versions
JPS5023515A (US06373033-20020416-M00002.png
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 filed Critical
Publication of JPS5023515A publication Critical patent/JPS5023515A/ja
Publication of JPS57694B2 publication Critical patent/JPS57694B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Manipulation Of Pulses (AREA)
JP6196974A 1972-12-29 1974-06-03 Expired JPS57694B2 (US06373033-20020416-M00002.png)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7247081A FR2212987A5 (US06373033-20020416-M00002.png) 1972-12-29 1972-12-29
US367610A US3878467A (en) 1972-12-29 1973-06-06 Tuning system for AM/FM receivers

Publications (2)

Publication Number Publication Date
JPS5023515A JPS5023515A (US06373033-20020416-M00002.png) 1975-03-13
JPS57694B2 true JPS57694B2 (US06373033-20020416-M00002.png) 1982-01-07

Family

ID=26217497

Family Applications (2)

Application Number Title Priority Date Filing Date
JP49004396A Pending JPS509361A (US06373033-20020416-M00002.png) 1972-12-29 1973-12-28
JP6196974A Expired JPS57694B2 (US06373033-20020416-M00002.png) 1972-12-29 1974-06-03

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP49004396A Pending JPS509361A (US06373033-20020416-M00002.png) 1972-12-29 1973-12-28

Country Status (7)

Country Link
US (2) US3878467A (US06373033-20020416-M00002.png)
JP (2) JPS509361A (US06373033-20020416-M00002.png)
CA (1) CA1051567A (US06373033-20020416-M00002.png)
DE (2) DE2364517C2 (US06373033-20020416-M00002.png)
FR (1) FR2212987A5 (US06373033-20020416-M00002.png)
GB (1) GB1427443A (US06373033-20020416-M00002.png)
NL (1) NL179962C (US06373033-20020416-M00002.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259984A (ja) * 1984-06-06 1985-12-23 Matsushita Electric Ind Co Ltd 制御装置
JPH0199096U (US06373033-20020416-M00002.png) * 1987-12-24 1989-07-03

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109708A (en) * 1975-03-20 1976-09-28 Matsushita Electric Ind Co Ltd Rajiojushinki
US4135158A (en) * 1975-06-02 1979-01-16 Motorola, Inc. Universal automotive electronic radio
DE2539194A1 (de) * 1975-09-03 1977-03-10 Siemens Ag Schaltungsanordnung zur auswertung von elektrischen ausgangssignalen eines detektors fuer dickenaenderungen einer kraftstoffeinspritzleitung
GB1570607A (en) * 1976-04-22 1980-07-02 Ml Eng Plymouth Timing unit
USRE30764E (en) * 1976-06-29 1981-10-06 The Perkin-Elmer Corporation Electrical output peak detecting apparatus
US4086651A (en) * 1976-06-29 1978-04-25 The Perkin-Elmer Corporation Electrical output peak detecting apparatus
US4047111A (en) * 1976-07-19 1977-09-06 General Motors Corporation Tuning system for AM/FM receivers
US4187439A (en) * 1976-12-07 1980-02-05 The Cessna Aircraft Company Analog control of pulse rates
JPS5396431A (en) * 1977-02-04 1978-08-23 Pioneer Electronic Corp Cyclic voltage conversion device
US4309692A (en) * 1978-11-14 1982-01-05 Beckman Instruments, Inc. Integrating analog-to-digital converter
DE2952156A1 (de) * 1979-12-22 1981-07-16 Robert Bosch Gmbh, 7000 Stuttgart Spannungs-frequenz-wandler, insbesondere fuer die verwendung in elektrischen steuersystemen von kraftfahrzeugen
US4389583A (en) * 1981-06-08 1983-06-21 W. H. Brady Co. Capacitance switch detection circuitry
GB2107950B (en) * 1981-10-15 1985-04-17 Standard Telephones Cables Ltd Analogue pulse-density modulator
US4498020A (en) * 1981-10-19 1985-02-05 Texas Instruments Incorporated Current to frequency converter
US4695742A (en) * 1983-05-09 1987-09-22 Sangamo Weston, Inc. Charge balance voltage-to-frequency converter utilizing CMOS circuitry
US4837852A (en) * 1985-06-17 1989-06-06 Toko, Inc. Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment
US4742251A (en) * 1985-08-12 1988-05-03 Silicon Systems, Inc. Precise call progress detector
EP0232451B1 (de) * 1986-02-10 1990-03-14 LGZ LANDIS & GYR ZUG AG Verfahren und Einrichtung zur Umwandlung eines elektrischen Signals in eine proportionale Frequenz
FR2602105A1 (fr) * 1986-07-25 1988-01-29 Thomson Csf Dispositif de modulation de frequence a correction dynamique de linearite et emetteur comportant un tel dispositif
US4783849A (en) * 1986-11-26 1988-11-08 Rca Licensing Corporation FET tuner
DE3800265A1 (de) * 1988-01-08 1989-07-20 Philips Patentverwaltung Spannungs-frequenz-umsetzer und seine verwendung in einer lichtwellenleiter-uebertragungsanordnung
US5243356A (en) * 1988-08-05 1993-09-07 Seiko Epson Corporation Antenna circuit and wrist radio instrument
DE19515487C2 (de) * 1995-04-27 2002-05-16 W A Halang Spannungs-Frequenz-Umsetzer für bipolare Eingangsspannungen
GB2337649B (en) * 1998-05-23 2000-06-07 Plessey Telecomm Voltage-controlled oscillator
DE102005046959A1 (de) * 2005-09-30 2007-04-05 Siemens Ag Frequenzmodulationsschaltkreis zum Ansteuern einer Nutzschaltung
CN103534600A (zh) * 2011-03-29 2014-01-22 大陆-特韦斯贸易合伙股份公司及两合公司 用于测量电动车辆中供电电压的设备
CN102902393B (zh) * 2011-07-29 2015-11-25 宸鸿光电科技股份有限公司 检测电极阵列控制电路、控制方法及其触控检测系统
US9484944B2 (en) * 2014-07-11 2016-11-01 Qualcomm Incorporated Current counting analog-to-digital converter for load current sensing including dynamically biased comparator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657654A (en) * 1969-09-11 1972-04-18 Gen Instrument Corp Communications receiver employing varactor controlled tuning stages

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2907876A (en) * 1954-07-15 1959-10-06 Cgs Lab Inc Radio receiver in which signal tuned circuits are controlled by remotely tuned local oscillator
DE1238068B (de) * 1965-08-12 1967-04-06 Siemens Ag Verfahren zur Spannungs-Frequenz-Umsetzung
US3419784A (en) * 1966-12-05 1968-12-31 Elliott Brothers London Ltd Magnitude-to-frequency converters
NL6617415A (US06373033-20020416-M00002.png) * 1966-12-12 1968-06-13
US3581221A (en) * 1968-04-29 1971-05-25 Edward J Martin Jr Flexible amplification system
US3568007A (en) * 1969-01-21 1971-03-02 Jesse H Miner Filter and substitute for resonant reed relay
DE2057856C3 (de) * 1970-11-25 1975-11-20 Dirk Dipl.-Ing. 3000 Hannover Rotthaus Schaltungsanordnung zur Umwandlung einer elektrischen Spannung in eine der Spannung proportionale Frequenz
US3720846A (en) * 1971-06-04 1973-03-13 Servomex Controls Ltd Integrating amplifier circuits
US3727139A (en) * 1971-08-10 1973-04-10 Philco Ford Corp Voltage supply for voltage variable capacitor diode tuning
US3743943A (en) * 1971-12-22 1973-07-03 Gen Motors Corp Apparatus for supplying a tuning voltage to an electronically tuned fm radio receiver from the oscillator of an am radio receiver

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657654A (en) * 1969-09-11 1972-04-18 Gen Instrument Corp Communications receiver employing varactor controlled tuning stages

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259984A (ja) * 1984-06-06 1985-12-23 Matsushita Electric Ind Co Ltd 制御装置
JPH0199096U (US06373033-20020416-M00002.png) * 1987-12-24 1989-07-03

Also Published As

Publication number Publication date
NL7317084A (US06373033-20020416-M00002.png) 1974-07-02
JPS509361A (US06373033-20020416-M00002.png) 1975-01-30
US3878467A (en) 1975-04-15
DE2427304A1 (de) 1975-01-02
GB1427443A (en) 1976-03-10
DE2364517C2 (de) 1986-12-04
JPS5023515A (US06373033-20020416-M00002.png) 1975-03-13
NL179962B (nl) 1986-07-01
CA1051567A (en) 1979-03-27
FR2212987A5 (US06373033-20020416-M00002.png) 1974-07-26
US3968447A (en) 1976-07-06
NL179962C (nl) 1986-12-01
DE2364517A1 (de) 1974-07-04

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