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FR2237201A1 - - Google Patents

Info

Publication number
FR2237201A1
FR2237201A1 FR7407754A FR7407754A FR2237201A1 FR 2237201 A1 FR2237201 A1 FR 2237201A1 FR 7407754 A FR7407754 A FR 7407754A FR 7407754 A FR7407754 A FR 7407754A FR 2237201 A1 FR2237201 A1 FR 2237201A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7407754A
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.)
Elma Hans Schmidbauer
Original Assignee
Elma Hans Schmidbauer
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
Priority claimed from DE19732335847 external-priority patent/DE2335847C3/de
Application filed by Elma Hans Schmidbauer filed Critical Elma Hans Schmidbauer
Publication of FR2237201A1 publication Critical patent/FR2237201A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
    • G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
FR7407754A 1973-07-14 1974-03-07 Withdrawn FR2237201A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732335847 DE2335847C3 (de) 1973-07-14 Schaltungsanordnung zur fortlaufenden Anzeige der Gangunterschiede der relativ langsamen Taktfrequenz einer Uhr durch Vergleich mit einer hohen Normalfrequenz

Publications (1)

Publication Number Publication Date
FR2237201A1 true FR2237201A1 (fr) 1975-02-07

Family

ID=5886881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7407754A Withdrawn FR2237201A1 (fr) 1973-07-14 1974-03-07

Country Status (5)

Country Link
US (1) US3895293A (fr)
JP (1) JPS5443912B2 (fr)
CH (2) CH305274A4 (fr)
FR (1) FR2237201A1 (fr)
IT (1) IT1021526B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404858A1 (fr) * 1977-10-03 1979-04-27 Raytheon Co Appareil de mesure de frequence
RU2819573C1 (ru) * 2024-02-14 2024-05-21 Федеральное государственное бюджетное образовательное учреждение высшего образования Самарский государственный университет путей сообщения Устройство допускового контроля переходного отклонения частоты двунаправленное

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993984A (en) * 1975-04-08 1976-11-23 Power Management Corporation Electronic underfrequency relay
US4255809A (en) * 1979-11-02 1981-03-10 Hillman Dale A Dual redundant error detection system for counters
JPS56153923A (en) * 1980-04-30 1981-11-28 Tokyo Shibaura Electric Co Digital frequency repeating device
US4341995A (en) * 1981-05-29 1982-07-27 American Optical Corporation Velocity profile analyzer
US4442406A (en) * 1981-09-29 1984-04-10 Diversified Electronics, Inc. Frequency monitor with adjustable tolerance
US4547726A (en) * 1983-08-01 1985-10-15 General Electric Company Means and method for measuring power system frequency
US4707653A (en) * 1985-10-17 1987-11-17 Ampex Corporation Frequency measurement circuit
US4750215A (en) * 1986-06-24 1988-06-07 Cincinnati Microwave, Inc. Police radar signal detection circuitry for a police radar warning receiver
US5180935A (en) * 1990-11-09 1993-01-19 Motorola, Inc. Digital timing discriminator
JP2998650B2 (ja) * 1996-08-20 2000-01-11 日本電気株式会社 分周器用ｄｃ選別回路
KR100204680B1 (ko) * 1997-02-06 1999-06-15 김영환 다중 주파수 발진기의 출력신호 측정장치 및 그 측정과 교정방법
JP4455201B2 (ja) * 2004-07-20 2010-04-21 富士通マイクロエレクトロニクス株式会社 検出回路
CN102645583B (zh) * 2012-04-25 2015-04-22 郑州轻工业学院 基于群周期相位处理的宽频快速频率测量方法
EP2746729A1 (fr) 2012-12-20 2014-06-25 GN Store Nord A/S Ensemble et procédé de détermination d'un changement de capacité

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241063A (en) * 1962-01-11 1966-03-15 Gen Electric Interval measuring system using resettable, free-running digital time measuring devices
US3777547A (en) * 1970-07-22 1973-12-11 Denshi Kohgyo Co Ltd Time rate measuring system for clocks and watches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404858A1 (fr) * 1977-10-03 1979-04-27 Raytheon Co Appareil de mesure de frequence
RU2819573C1 (ru) * 2024-02-14 2024-05-21 Федеральное государственное бюджетное образовательное учреждение высшего образования Самарский государственный университет путей сообщения Устройство допускового контроля переходного отклонения частоты двунаправленное

Also Published As

Publication number Publication date
DE2335847B2 (de) 1976-11-18
IT1021526B (it) 1978-02-20
JPS5029072A (fr) 1975-03-24
JPS5443912B2 (fr) 1979-12-22
CH305274A4 (fr) 1977-07-15
DE2335847A1 (de) 1975-01-30
CH604270B5 (fr) 1978-08-31
US3895293A (en) 1975-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse