FR1098672A - Perfectionnements aux émetteurs de télévision - Google Patents

Perfectionnements aux émetteurs de télévision

Info

Publication number
FR1098672A
FR1098672A FR1098672DA FR1098672A FR 1098672 A FR1098672 A FR 1098672A FR 1098672D A FR1098672D A FR 1098672DA FR 1098672 A FR1098672 A FR 1098672A
Authority
FR
France
Prior art keywords
television transmitters
transmitters
television
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
H Ernyei
P Simondcote
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.)
SOC NOUVELLE OUTIL RBV RADIO
Original Assignee
SOC NOUVELLE OUTIL RBV RADIO
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 SOC NOUVELLE OUTIL RBV RADIO filed Critical SOC NOUVELLE OUTIL RBV RADIO
Application granted granted Critical
Publication of FR1098672A publication Critical patent/FR1098672A/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
FR1098672D 1954-01-23 1954-01-23 Perfectionnements aux émetteurs de télévision Expired FR1098672A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR1098672A true FR1098672A (fr) 1955-08-17

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 After (1)

Application Number Title Priority Date Filing Date
FR71697D Expired FR71697E (fr) 1954-01-23 1957-06-04 Perfectionnement 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)

Families Citing this family (19)

* 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
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
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
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
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
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
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
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008144017A1 (fr) 2007-05-18 2008-11-27 Parkervision, Inc. Systèmes et procédés de transmission d'alimentation rf, modulation et amplification
WO2012139126A1 (fr) 2011-04-08 2012-10-11 Parkervision, Inc. Systèmes et procédés de transmission, modulation et amplification de puissance rf
JP6174574B2 (ja) 2011-06-02 2017-08-02 パーカーヴィジョン インコーポレイテッド アンテナ制御
KR20160058855A (ko) 2013-09-17 2016-05-25 파커비전, 인크. 정보를 포함하는 시간의 함수를 렌더링하기 위한 방법, 장치 및 시스템

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL46321C (fr) * 1934-09-18
GB515360A (en) * 1938-05-30 1939-12-04 Alan Dower Blumlein Improvements in or relating to television or other signal transmission systems
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
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

Also Published As

Publication number Publication date
DE1044152B (de) 1958-11-20
FR71697E (fr) 1960-01-13
GB794348A (en) 1958-04-30
BE535012A (fr)
US2908753A (en) 1959-10-13

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