FR917421A - Système automatique de contrôle des signaux - Google Patents

Système automatique de contrôle des signaux

Info

Publication number
FR917421A
FR917421A FR917421DA FR917421A FR 917421 A FR917421 A FR 917421A FR 917421D A FR917421D A FR 917421DA FR 917421 A FR917421 A FR 917421A
Authority
FR
France
Prior art keywords
control system
signal control
automatic signal
automatic
signal
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
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.)
PRESS WIRELESS
Original Assignee
PRESS WIRELESS
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 PRESS WIRELESS filed Critical PRESS WIRELESS
Application granted granted Critical
Publication of FR917421A publication Critical patent/FR917421A/fr
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00095—Systems or arrangements for the transmission of the picture signal
    • H04N1/00103—Systems or arrangements for the transmission of the picture signal specially adapted for radio transmission, e.g. via satellites

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR917421D 1944-05-23 1945-11-14 Système automatique de contrôle des signaux Expired FR917421A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US536871A US2443434A (en) 1944-05-23 1944-05-23 Automatic signal bias control means and apparatus

Publications (1)

Publication Number Publication Date
FR917421A true FR917421A (fr) 1947-01-07

Family

ID=24140259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR917421D Expired FR917421A (fr) 1944-05-23 1945-11-14 Système automatique de contrôle des signaux

Country Status (2)

Country Link
US (1) US2443434A (fr)
FR (1) FR917421A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999925A (en) * 1959-01-28 1961-09-12 Page Comm Engineers Inc Variable decision threshold computer
US3619493A (en) * 1968-12-20 1971-11-09 Graphic Sciences Inc Automatic gain control for graphic data transmission system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2005111A (en) * 1931-04-09 1935-06-18 Rca Corp Amplifier
US2233165A (en) * 1938-06-30 1941-02-25 Gen Electric Automatic frequency control
US2292100A (en) * 1940-08-30 1942-08-04 Rca Corp Square wave generator
NL73155C (fr) * 1940-11-27
US2411853A (en) * 1941-07-24 1946-12-03 Rca Corp Photo radio signaling by frequency modulation
US2366363A (en) * 1943-03-06 1945-01-02 Times Telephoto Equipment Inc Frequency modulation system

Also Published As

Publication number Publication date
US2443434A (en) 1948-06-15

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