GB1248502A - Automatically adaptive counter apparatus - Google Patents

Automatically adaptive counter apparatus

Info

Publication number
GB1248502A
GB1248502A GB85/69A GB8569A GB1248502A GB 1248502 A GB1248502 A GB 1248502A GB 85/69 A GB85/69 A GB 85/69A GB 8569 A GB8569 A GB 8569A GB 1248502 A GB1248502 A GB 1248502A
Authority
GB
United Kingdom
Prior art keywords
counter
flop
count
gate
flip
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
GB85/69A
Other languages
English (en)
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.)
General Radio Co
Original Assignee
General Radio 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 General Radio Co filed Critical General Radio Co
Publication of GB1248502A publication Critical patent/GB1248502A/en
Expired 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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an AC

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transceivers (AREA)
GB85/69A 1968-05-20 1969-01-01 Automatically adaptive counter apparatus Expired GB1248502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73043068A 1968-05-20 1968-05-20

Publications (1)

Publication Number Publication Date
GB1248502A true GB1248502A (en) 1971-10-06

Family

ID=24935331

Family Applications (1)

Application Number Title Priority Date Filing Date
GB85/69A Expired GB1248502A (en) 1968-05-20 1969-01-01 Automatically adaptive counter apparatus

Country Status (5)

Country Link
US (1) US3553728A (https=)
DE (1) DE1920727C3 (https=)
FR (1) FR2008840A1 (https=)
GB (1) GB1248502A (https=)
NL (1) NL6900735A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108848A1 (de) * 1980-03-10 1982-01-14 Imed Corp., 92131 San Diego, Calif. Tropfenzaehler

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707692A (en) * 1969-03-10 1972-12-26 Mc Graw Edison Co Method of treating cellulosic material to improve the usefulness thereof as an insulator in electrical apparatus
US3673391A (en) * 1970-12-16 1972-06-27 Northern Electric Co Digital frequency multiplying system
US3769583A (en) * 1971-03-15 1973-10-30 Sperry Rand Corp Digital indicator with means for suppressing least significant digit dither
JPS5511222B2 (https=) * 1971-11-29 1980-03-24
US3805171A (en) * 1972-07-12 1974-04-16 Eastech Signal frequency detection circuit
US3837224A (en) * 1973-07-09 1974-09-24 Us Navy Digital automatic depth control and readout for a movable transducer package
US3909599A (en) * 1973-11-23 1975-09-30 Teledyne Ind Digital FM discriminator
US3917927A (en) * 1974-04-15 1975-11-04 Us Navy Automatic ranging frequency counter
US3978322A (en) * 1974-09-30 1976-08-31 National Semiconductor Corporation Measurement system for timer
SE402356B (sv) * 1977-01-19 1978-06-26 Wallac Oy Forfarande for att vid ett instrument for metning av stralningen fran radioaktiva prover optimera mettiden
IT1077281B (it) * 1977-03-16 1985-05-04 Alfa Romeo Spa Trasduttore digitale della velocita' di rotazione di un albero rotante a velocita' variabile
JPS5522163A (en) * 1978-08-07 1980-02-16 Hitachi Ltd Engine rpm detector
DE2921899C2 (de) * 1979-05-30 1987-01-22 Nord-Micro Elektronik Feinmechanik AG, 6000 Frankfurt Verfahren zur Frequenzmessung
FR2458815A1 (fr) * 1979-06-12 1981-01-02 Alsthom Atlantique Procede et dispositif de mesure digitale d'une frequence par inversion de periode
US4454470A (en) * 1981-12-29 1984-06-12 General Electric Company Method and apparatus for frequency measurement of an alternating current signal
US4568932A (en) * 1982-11-12 1986-02-04 Dresser Industries, Inc. Method and apparatus for obtaining high resolution subsurface geophysical measurements
US4621234A (en) * 1983-12-05 1986-11-04 Lovelace Medical Foundation Pulsed NMR flow measurement
US4609990A (en) * 1984-08-06 1986-09-02 General Electric Company Frequency measurement system
US4695791A (en) * 1985-06-04 1987-09-22 Hewlett-Packard Company Auto ranging of a frequency measuring instrument
DE59105434D1 (de) * 1990-11-13 1995-06-14 Fraunhofer Ges Forschung Telemetrie-Periodendauer-Messverfahren.
CN102830610B (zh) * 2012-09-17 2015-01-07 中国电子科技集团公司第四十一研究所 一种基于tdc-gp21的精密时间自动测量电路及方法
CN116520020A (zh) * 2023-03-30 2023-08-01 成都市运泰利自动化设备有限公司 一种基于fpga的自适应频率测量装置及测试方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3108848A1 (de) * 1980-03-10 1982-01-14 Imed Corp., 92131 San Diego, Calif. Tropfenzaehler

Also Published As

Publication number Publication date
US3553728A (en) 1971-01-05
FR2008840A1 (https=) 1970-01-30
NL6900735A (https=) 1969-11-24
DE1920727C3 (de) 1980-11-20
DE1920727B2 (de) 1980-04-03
DE1920727A1 (de) 1970-01-08

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