FR71697E - Perfectionnement aux émetteurs de télévision - Google Patents

Perfectionnement aux émetteurs de télévision

Info

Publication number
FR71697E
FR71697E FR71697DA FR71697E FR 71697 E FR71697 E FR 71697E FR 71697D A FR71697D A FR 71697DA FR 71697 E FR71697 E FR 71697E
Authority
FR
France
Prior art keywords
further training
television transmitters
transmitters
television
training
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)
Inventor
P Simond-Cote
C Bodelet
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.)
L OUTIL R ET de la RADIOIN BV
Original Assignee
L OUTIL R ET de la RADIOIN BV
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 L OUTIL R ET de la RADIOIN BV filed Critical L OUTIL R ET de la RADIOIN BV
Application granted granted Critical
Publication of FR71697E publication Critical patent/FR71697E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Processing Of Color Television Signals (AREA)
FR71697D 1954-01-23 1957-06-04 Perfectionnement aux émetteurs de télévision Expired FR71697E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1044152X 1954-01-23

Publications (1)

Publication Number Publication Date
FR71697E true FR71697E (fr) 1960-01-13

Family

ID=9590967

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1098672D Expired FR1098672A (fr) 1954-01-23 1954-01-23 Perfectionnements aux émetteurs de télévision
FR71697D Expired FR71697E (fr) 1954-01-23 1957-06-04 Perfectionnement aux émetteurs de télévision

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1098672D Expired FR1098672A (fr) 1954-01-23 1954-01-23 Perfectionnements aux émetteurs de télévision

Country Status (5)

Country Link
US (1) US2908753A (fr)
BE (1) BE535012A (fr)
DE (1) DE1044152B (fr)
FR (2) FR1098672A (fr)
GB (1) GB794348A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444383A2 (fr) * 1977-09-13 1980-07-11 France Etat Applications et perfectionnements d'un dispositif pour enregistrer sur un magnetoscope de television les informations emises par un radar et pour restituer ces informations

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1256681B (de) * 1959-06-09 1967-12-21 Fernseh Gmbh Regelschaltung fuer ein Fernsehsignal zum selbsttaetigen Ausgleich von raschen Pegelaenderungen, welche bei der Normwandlung von Fernsehsignalen unterschiedlicher Vertikalfrequenz, vorzugsweise bei 10 Hz Differenzfrequenz, auftreten
DE1246800B (de) * 1961-12-05 1967-08-10 Rohde & Schwarz Anordnung zum Konstanthalten des Arbeitspunktes einer mit einem Videosignal beaufschlagten Modulatorroehre
US3518370A (en) * 1967-03-30 1970-06-30 Rca Corp Modulation error cancelling apparatus
US4092674A (en) * 1973-03-22 1978-05-30 Tektronix, Inc. Video transmission stabilization system
JPS50115724A (fr) * 1974-02-21 1975-09-10
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2009005768A1 (fr) 2007-06-28 2009-01-08 Parkervision, Inc. Systèmes et procédés de transmission, de modulation et d'amplification de puissance hf
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
EP4538829A3 (fr) 2013-09-17 2025-06-25 Parkervision, Inc. Procédé, appareil et système pour restituer une fonction porteuse d'informations dans le temps

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46321C (fr) * 1934-09-18
GB515362A (en) * 1938-05-30 1939-12-04 Alan Dower Blumlein Improvements in or relating to the transmission of electrical signals having a direct current component
GB515360A (en) * 1938-05-30 1939-12-04 Alan Dower Blumlein Improvements in or relating to television or other signal transmission systems
US2445040A (en) * 1943-05-13 1948-07-13 Rca Corp Dark spot corrector
US2706220A (en) * 1949-08-30 1955-04-12 Motorola Inc Delayed gated automatic gain control
BE514993A (fr) * 1951-10-25
NL93771C (fr) 1953-05-18

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2444383A2 (fr) * 1977-09-13 1980-07-11 France Etat Applications et perfectionnements d'un dispositif pour enregistrer sur un magnetoscope de television les informations emises par un radar et pour restituer ces informations

Also Published As

Publication number Publication date
FR1098672A (fr) 1955-08-17
DE1044152B (de) 1958-11-20
US2908753A (en) 1959-10-13
BE535012A (fr)
GB794348A (en) 1958-04-30

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