GB2027297B - Digital frequency discriminator - Google Patents

Digital frequency discriminator

Info

Publication number
GB2027297B
GB2027297B GB7925142A GB7925142A GB2027297B GB 2027297 B GB2027297 B GB 2027297B GB 7925142 A GB7925142 A GB 7925142A GB 7925142 A GB7925142 A GB 7925142A GB 2027297 B GB2027297 B GB 2027297B
Authority
GB
United Kingdom
Prior art keywords
digital frequency
frequency discriminator
discriminator
digital
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
GB7925142A
Other languages
English (en)
Other versions
GB2027297A (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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB2027297A publication Critical patent/GB2027297A/en
Application granted granted Critical
Publication of GB2027297B publication Critical patent/GB2027297B/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB7925142A 1978-07-29 1979-07-19 Digital frequency discriminator Expired GB2027297B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782833335 DE2833335A1 (de) 1978-07-29 1978-07-29 Digitaler frequenzdiskriminator

Publications (2)

Publication Number Publication Date
GB2027297A GB2027297A (en) 1980-02-13
GB2027297B true GB2027297B (en) 1982-08-25

Family

ID=6045703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925142A Expired GB2027297B (en) 1978-07-29 1979-07-19 Digital frequency discriminator

Country Status (3)

Country Link
DE (1) DE2833335A1 (enrdf_load_stackoverflow)
FR (1) FR2433756A1 (enrdf_load_stackoverflow)
GB (1) GB2027297B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2469824A1 (fr) * 1979-11-14 1981-05-22 Thomson Csf Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede
FR2488755A2 (fr) * 1980-08-13 1982-02-19 Thomson Csf Procede de demodulation d'un signal module en frequence et demodulateurs mettant en oeuvre ce procede
DE3030853A1 (de) * 1980-08-14 1982-03-11 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zum demodulieren zeitdiskreter frequenzmodulierter signale
FR2502423A1 (fr) * 1981-03-17 1982-09-24 Thomson Brandt Demodulateur numerique de signaux et systeme de television comportant un tel demodulateur
DE3212054A1 (de) * 1982-04-01 1983-10-06 Blaupunkt Werke Gmbh Digitaler demodulator
EP0161325A1 (de) * 1984-05-15 1985-11-21 Deutsche ITT Industries GmbH Digitaler Frequenz-Demodulator für ein Digitalsignal
CH676068A5 (enrdf_load_stackoverflow) * 1987-10-16 1990-11-30 Bbc Brown Boveri & Cie
DE3736124A1 (de) * 1987-10-26 1989-05-03 Licentia Gmbh Verfahren und anordnung zur bestimmung der momentanfrequenz eines signals
GB8828912D0 (en) * 1988-12-10 1989-01-18 Emi Plc Thorn Frequency measurement
US6067363A (en) * 1996-06-03 2000-05-23 Ericsson Inc. Audio A/D convertor using frequency modulation
PL3025160T3 (pl) * 2013-09-11 2020-03-31 Siemens Aktiengesellschaft Pomiary częstotliwości w sieciach zaopatrzenia w energię

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH530643A (de) * 1971-04-22 1972-11-15 Hasler Ag Verfahren und Einrichtung zum Erkennen einer vorbestimmten Frequenz in einem Frequenzgemisch
US3800221A (en) * 1972-05-26 1974-03-26 Anaren Microwave Inc Digital frequency meter
CA984068A (en) * 1972-08-10 1976-02-17 Alexander D. Proudfoot Method and apparatus for detecting the presence of signal components of predetermined frequency in a multi-frequency signal
DE2702581C2 (de) * 1977-01-22 1982-10-28 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren und Schaltungsanordnungen zur Frequenzerkennung

Also Published As

Publication number Publication date
DE2833335A1 (de) 1980-03-06
GB2027297A (en) 1980-02-13
DE2833335C2 (enrdf_load_stackoverflow) 1990-06-21
FR2433756B1 (enrdf_load_stackoverflow) 1984-03-02
FR2433756A1 (fr) 1980-03-14

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee