SE382120B - Anordning for metning av sma frekvensdifferenser - Google Patents

Anordning for metning av sma frekvensdifferenser

Info

Publication number
SE382120B
SE382120B SE7500935A SE7500935A SE382120B SE 382120 B SE382120 B SE 382120B SE 7500935 A SE7500935 A SE 7500935A SE 7500935 A SE7500935 A SE 7500935A SE 382120 B SE382120 B SE 382120B
Authority
SE
Sweden
Prior art keywords
saturation
small frequency
frequency differences
differences
small
Prior art date
Application number
SE7500935A
Other languages
English (en)
Swedish (sv)
Inventor
P G Bylund
B Lyberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE7500935A priority Critical patent/SE382120B/xx
Priority to US05/647,173 priority patent/US4001680A/en
Priority to FI760037A priority patent/FI58405C/sv
Publication of SE382120B publication Critical patent/SE382120B/xx
Priority to DE19762602540 priority patent/DE2602540A1/de
Priority to GB2954/76A priority patent/GB1482398A/en
Priority to IT19657/76A priority patent/IT1055011B/it
Priority to BR7600507A priority patent/BR7600507A/pt

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measuring Phase Differences (AREA)
  • Manipulation Of Pulses (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
SE7500935A 1975-01-29 1975-01-29 Anordning for metning av sma frekvensdifferenser SE382120B (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7500935A SE382120B (sv) 1975-01-29 1975-01-29 Anordning for metning av sma frekvensdifferenser
US05/647,173 US4001680A (en) 1975-01-29 1976-01-07 Device for measuring small frequency differencies
FI760037A FI58405C (fi) 1975-01-29 1976-01-08 Anordning foer maetning av smao frekvensdifferenser
DE19762602540 DE2602540A1 (de) 1975-01-29 1976-01-23 Vorrichtung zum messen kleiner frequenzdifferenzen
GB2954/76A GB1482398A (en) 1975-01-29 1976-01-26 Circuit arrangement for producing a representation of a difference in frequency between first and second alternating electrical signals
IT19657/76A IT1055011B (it) 1975-01-29 1976-01-27 Dispositivo per misurare piccole differenze di frequenza
BR7600507A BR7600507A (pt) 1975-01-29 1976-01-28 Dispositivo para medir pequenas diferencas de frequencia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500935A SE382120B (sv) 1975-01-29 1975-01-29 Anordning for metning av sma frekvensdifferenser

Publications (1)

Publication Number Publication Date
SE382120B true SE382120B (sv) 1976-01-12

Family

ID=20323528

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500935A SE382120B (sv) 1975-01-29 1975-01-29 Anordning for metning av sma frekvensdifferenser

Country Status (7)

Country Link
US (1) US4001680A (Direct)
BR (1) BR7600507A (Direct)
DE (1) DE2602540A1 (Direct)
FI (1) FI58405C (Direct)
GB (1) GB1482398A (Direct)
IT (1) IT1055011B (Direct)
SE (1) SE382120B (Direct)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106096A (en) * 1976-08-30 1978-08-08 Bell Telephone Laboratories, Incorporated Derivative measurement by frequency mixing
JPS6037711B2 (ja) * 1978-09-01 1985-08-28 株式会社東芝 位相検出器
US4585989A (en) * 1984-05-18 1986-04-29 Tektronix, Inc. 50% point of amplitude and phase detector
GB2193406B (en) * 1986-08-02 1990-04-25 Marconi Instruments Ltd Phase detector
US6435037B1 (en) 2000-01-06 2002-08-20 Data Sciences International, Inc. Multiplexed phase detector
US6539316B1 (en) 2000-01-06 2003-03-25 Data Sciences International, Inc. Phase detector
US6595071B1 (en) 2000-01-06 2003-07-22 Transoma Medical, Inc. Estimation of error angle in ultrasound flow measurement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233180A (en) * 1961-12-13 1966-02-01 Bowser Inc Frequency comparator
DE1516994A1 (de) * 1965-04-06 1969-09-25 Western Electric Co Frequenzvergleichsanordnung
FR1525939A (fr) * 1966-12-30 1968-05-24 C I T Cie Ind Des Telecommuni Circuit servant à déceler le synchronisme entre deux fréquences

Also Published As

Publication number Publication date
US4001680A (en) 1977-01-04
IT1055011B (it) 1981-12-21
FI760037A7 (Direct) 1976-07-30
BR7600507A (pt) 1976-08-31
FI58405C (fi) 1981-01-12
GB1482398A (en) 1977-08-10
DE2602540A1 (de) 1976-08-05
FI58405B (fi) 1980-09-30

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