IT8321021A0 - Procedimento e dispositivo per rivelare variazioni di frequenza. - Google Patents

Procedimento e dispositivo per rivelare variazioni di frequenza.

Info

Publication number
IT8321021A0
IT8321021A0 IT8321021A IT2102183A IT8321021A0 IT 8321021 A0 IT8321021 A0 IT 8321021A0 IT 8321021 A IT8321021 A IT 8321021A IT 2102183 A IT2102183 A IT 2102183A IT 8321021 A0 IT8321021 A0 IT 8321021A0
Authority
IT
Italy
Prior art keywords
procedure
frequency variations
detecting frequency
detecting
variations
Prior art date
Application number
IT8321021A
Other languages
English (en)
Other versions
IT1163338B (it
Inventor
Donald E Charles
Original Assignee
Baxter Travenol Lab
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 Lab filed Critical Baxter Travenol Lab
Publication of IT8321021A0 publication Critical patent/IT8321021A0/it
Application granted granted Critical
Publication of IT1163338B publication Critical patent/IT1163338B/it

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)
IT21021/83A 1982-06-09 1983-05-10 Procedimento e dispositivo per rivelare variazioni di frequenza IT1163338B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8321021A0 true IT8321021A0 (it) 1983-05-10
IT1163338B IT1163338B (it) 1987-04-08

Family

ID=23526753

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21021/83A IT1163338B (it) 1982-06-09 1983-05-10 Procedimento e dispositivo per rivelare variazioni di frequenza

Country Status (11)

Country Link
US (1) US4403185A (it)
EP (1) EP0110893B1 (it)
JP (1) JPS59501022A (it)
CA (1) CA1192614A (it)
DE (1) DE3371121D1 (it)
ES (1) ES522936A0 (it)
IL (1) IL68083A (it)
IT (1) IT1163338B (it)
MX (1) MX154984A (it)
WO (1) WO1983004438A1 (it)
ZA (1) ZA831448B (it)

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
ZA831448B (en) 1983-12-28
US4403185A (en) 1983-09-06
IL68083A0 (en) 1983-06-15
ES8405158A1 (es) 1984-05-16
EP0110893A4 (en) 1984-10-16
MX154984A (es) 1988-01-15
IT1163338B (it) 1987-04-08
IL68083A (en) 1986-04-29
CA1192614A (en) 1985-08-27
ES522936A0 (es) 1984-05-16
DE3371121D1 (en) 1987-05-27
JPS59501022A (ja) 1984-06-07
WO1983004438A1 (en) 1983-12-22
EP0110893A1 (en) 1984-06-20
EP0110893B1 (en) 1987-04-22

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