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FR683292A - Device for automatic frequency adjustment of an additional carrier wave generator - Google Patents

Device for automatic frequency adjustment of an additional carrier wave generator

Info

Publication number
FR683292A
FR683292A FR683292DA FR683292A FR 683292 A FR683292 A FR 683292A FR 683292D A FR683292D A FR 683292DA FR 683292 A FR683292 A FR 683292A
Authority
FR
France
Prior art keywords
carrier wave
wave generator
frequency adjustment
automatic frequency
additional carrier
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
Other languages
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR683292A publication Critical patent/FR683292A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Radio Relay Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
FR683292D 1928-10-16 1929-10-15 Device for automatic frequency adjustment of an additional carrier wave generator Expired FR683292A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DET35820D DE509946C (en) 1928-10-16 1928-10-16 Receiving arrangement with carrier wave addition by means of a local generator automatically regulated in frequency
DE341766X 1929-03-08

Publications (1)

Publication Number Publication Date
FR683292A true FR683292A (en) 1930-06-10

Family

ID=25821141

Family Applications (2)

Application Number Title Priority Date Filing Date
FR683292D Expired FR683292A (en) 1928-10-16 1929-10-15 Device for automatic frequency adjustment of an additional carrier wave generator
FR37916D Expired FR37916E (en) 1928-10-16 1930-01-24 Device for automatic frequency adjustment of an additional carrier wave generator

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR37916D Expired FR37916E (en) 1928-10-16 1930-01-24 Device for automatic frequency adjustment of an additional carrier wave generator

Country Status (4)

Country Link
US (1) US1917395A (en)
DE (1) DE509946C (en)
FR (2) FR683292A (en)
GB (2) GB332834A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462630A (en) * 1945-02-28 1949-02-22 Honeywell Regulator Co Phase-sensitive self-balancing frequency meter
DE872969C (en) * 1951-01-13 1953-04-09 Siemens Ag Method for reducing fading in wireless single sideband transmissions
US2871349A (en) * 1954-07-14 1959-01-27 Jonas M Shapiro Discriminator circuit
US3101448A (en) * 1954-12-23 1963-08-20 Gen Electric Synchronous detector system
FR2526554B1 (en) * 1982-05-06 1985-06-07 Telecommunications Sa METHOD FOR REGULATING LUMINOUS INFORMATION TRANSMITTERS AND THE IMPLEMENTING SYSTEM

Also Published As

Publication number Publication date
US1917395A (en) 1933-07-11
GB332834A (en) 1930-07-31
GB341766A (en) 1931-01-22
FR37916E (en) 1931-02-07
DE509946C (en) 1930-10-14

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