DE3371121D1 - Process and device for detecting frequency variations - Google Patents

Process and device for detecting frequency variations

Info

Publication number
DE3371121D1
DE3371121D1 DE8383901148T DE3371121T DE3371121D1 DE 3371121 D1 DE3371121 D1 DE 3371121D1 DE 8383901148 T DE8383901148 T DE 8383901148T DE 3371121 T DE3371121 T DE 3371121T DE 3371121 D1 DE3371121 D1 DE 3371121D1
Authority
DE
Germany
Prior art keywords
frequency variations
detecting frequency
detecting
variations
frequency
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
DE8383901148T
Other languages
English (en)
Inventor
Donald E Charles
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.)
Baxter International Inc
Original Assignee
Baxter Travenol Laboratories 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 Baxter Travenol Laboratories Inc filed Critical Baxter Travenol Laboratories Inc
Application granted granted Critical
Publication of DE3371121D1 publication Critical patent/DE3371121D1/de
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
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Drying Of Semiconductors (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DE8383901148T 1982-06-09 1983-02-24 Process and device for detecting frequency variations Expired DE3371121D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/386,719 US4403185A (en) 1982-06-09 1982-06-09 Process and device for detecting frequency variations
PCT/US1983/000262 WO1983004438A1 (en) 1982-06-09 1983-02-24 Process and device for detecting frequency variations

Publications (1)

Publication Number Publication Date
DE3371121D1 true DE3371121D1 (en) 1987-05-27

Family

ID=23526753

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383901148T Expired DE3371121D1 (en) 1982-06-09 1983-02-24 Process and device for detecting frequency variations

Country Status (11)

Country Link
US (1) US4403185A (de)
EP (1) EP0110893B1 (de)
JP (1) JPS59501022A (de)
CA (1) CA1192614A (de)
DE (1) DE3371121D1 (de)
ES (1) ES8405158A1 (de)
IL (1) IL68083A (de)
IT (1) IT1163338B (de)
MX (1) MX154984A (de)
WO (1) WO1983004438A1 (de)
ZA (1) ZA831448B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2577679B1 (fr) * 1985-02-21 1987-02-20 Jeumont Schneider Dispositif pour controler la periode separant des impulsions
DE3702856A1 (de) * 1987-01-31 1988-08-11 Philips Patentverwaltung Schaltungsanordnung zur detektion der ueberschreitung eines vorgegebenen frequenzhubbereiches
US4843328A (en) * 1988-04-21 1989-06-27 The United States Of America As Represented By The National Aeronautics And Space Administration Apparatus for using a time interval counter to measure frequency stability
FR2658303B1 (fr) * 1990-02-09 1992-06-19 Neiman Sa Dispositif de surveillance du fonctionnement d'un systeme a microprocesseur ou analogue.
USD948372S1 (en) * 2021-06-28 2022-04-12 Venus by Maria Tash, Inc. Jewelry item

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588710A (en) * 1968-08-05 1971-06-28 Westinghouse Electric Corp Digital phase detection circuitry
US3753130A (en) * 1972-03-09 1973-08-14 Bell Telephone Labor Inc Digital frequency comparator
JPS52112355A (en) * 1976-03-18 1977-09-20 Shin Shirasuna Electric Corp Method of detecting whether or not phase difference between two signals is constant
JPS5527979A (en) * 1978-08-21 1980-02-28 Teac Co Voltage frequency detector of ac power supply
US4333055A (en) * 1979-11-23 1982-06-01 Trw Inc. Digital phase-frequency detector

Also Published As

Publication number Publication date
IL68083A0 (en) 1983-06-15
IT1163338B (it) 1987-04-08
US4403185A (en) 1983-09-06
EP0110893A1 (de) 1984-06-20
EP0110893A4 (de) 1984-10-16
CA1192614A (en) 1985-08-27
IL68083A (en) 1986-04-29
ES522936A0 (es) 1984-05-16
JPS59501022A (ja) 1984-06-07
ES8405158A1 (es) 1984-05-16
WO1983004438A1 (en) 1983-12-22
IT8321021A0 (it) 1983-05-10
MX154984A (es) 1988-01-15
EP0110893B1 (de) 1987-04-22
ZA831448B (en) 1983-12-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BAXTER INTERNATIONAL INC. (N.D.GES.D.STAATES DELAW

8339 Ceased/non-payment of the annual fee