GB1411260A - Device for controlling the frequency of a frequency modulated telegraphic transmitter - Google Patents

Device for controlling the frequency of a frequency modulated telegraphic transmitter

Info

Publication number
GB1411260A
GB1411260A GB5930172A GB5930172A GB1411260A GB 1411260 A GB1411260 A GB 1411260A GB 5930172 A GB5930172 A GB 5930172A GB 5930172 A GB5930172 A GB 5930172A GB 1411260 A GB1411260 A GB 1411260A
Authority
GB
United Kingdom
Prior art keywords
frequency
control signal
divider
keying
oscillator
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
GB5930172A
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.)
Adret Electronique SA
Original Assignee
Adret Electronique SA
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 Adret Electronique SA filed Critical Adret Electronique SA
Publication of GB1411260A publication Critical patent/GB1411260A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB5930172A 1972-01-04 1972-12-22 Device for controlling the frequency of a frequency modulated telegraphic transmitter Expired GB1411260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7200091A FR2173639B1 (enrdf_load_stackoverflow) 1972-01-04 1972-01-04

Publications (1)

Publication Number Publication Date
GB1411260A true GB1411260A (en) 1975-10-22

Family

ID=9091454

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5930172A Expired GB1411260A (en) 1972-01-04 1972-12-22 Device for controlling the frequency of a frequency modulated telegraphic transmitter

Country Status (4)

Country Link
DE (1) DE2261257B2 (enrdf_load_stackoverflow)
FR (1) FR2173639B1 (enrdf_load_stackoverflow)
GB (1) GB1411260A (enrdf_load_stackoverflow)
NL (1) NL7217321A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015484A1 (de) * 1980-04-22 1981-10-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur frequenzstabilisierung eines hochfrequenten freischwingenden oszillators
DE3537477A1 (de) * 1985-10-22 1987-04-23 Porsche Ag Anordnung zur individuellen anpassung einer seriellen schnittstelle eines datenverarbeitenden systems an eine datenuebertragungsgeschwindigkeit eines kommunikationspartners

Also Published As

Publication number Publication date
NL7217321A (enrdf_load_stackoverflow) 1973-07-06
FR2173639A1 (enrdf_load_stackoverflow) 1973-10-12
DE2261257A1 (de) 1973-07-12
FR2173639B1 (enrdf_load_stackoverflow) 1974-12-13
DE2261257B2 (de) 1976-02-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee