GB1093930A - Improvements in or relating to systems and apparatus for deriving pilot frequencies for use in carrier communication systems - Google Patents

Improvements in or relating to systems and apparatus for deriving pilot frequencies for use in carrier communication systems

Info

Publication number
GB1093930A
GB1093930A GB3330466A GB3330466A GB1093930A GB 1093930 A GB1093930 A GB 1093930A GB 3330466 A GB3330466 A GB 3330466A GB 3330466 A GB3330466 A GB 3330466A GB 1093930 A GB1093930 A GB 1093930A
Authority
GB
United Kingdom
Prior art keywords
systems
carrier
frequencies
derived
relating
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
GB3330466A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1093930A publication Critical patent/GB1093930A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radio Relay Systems (AREA)
GB3330466A 1965-07-26 1966-07-25 Improvements in or relating to systems and apparatus for deriving pilot frequencies for use in carrier communication systems Expired GB1093930A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965S0098430 DE1257859B (de) 1965-07-26 1965-07-26 Anordnung zur Erzeugung der Pilotfrequenzen 84, 08kHz und 411, 92kHz bei Traegerfrequenzsystemen

Publications (1)

Publication Number Publication Date
GB1093930A true GB1093930A (en) 1967-12-06

Family

ID=7521464

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3330466A Expired GB1093930A (en) 1965-07-26 1966-07-25 Improvements in or relating to systems and apparatus for deriving pilot frequencies for use in carrier communication systems

Country Status (6)

Country Link
AT (1) AT261007B (ru)
BE (1) BE684625A (ru)
CH (1) CH451249A (ru)
DE (1) DE1257859B (ru)
GB (1) GB1093930A (ru)
NL (1) NL143768B (ru)

Also Published As

Publication number Publication date
NL6609469A (ru) 1967-01-27
AT261007B (de) 1968-04-10
BE684625A (ru) 1967-01-26
CH451249A (de) 1968-05-15
NL143768B (nl) 1974-10-15
DE1257859B (de) 1968-01-04

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