BE535012A - - Google Patents

Info

Publication number
BE535012A
BE535012A BE535012DA BE535012A BE 535012 A BE535012 A BE 535012A BE 535012D A BE535012D A BE 535012DA BE 535012 A BE535012 A BE 535012A
Authority
BE
Belgium
Application number
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.)
Publication of BE535012A publication Critical patent/BE535012A/xx

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
BE535012D 1954-01-23 BE535012A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE535012A true BE535012A (de)

Family

ID=9590967

Family Applications (1)

Application Number Title Priority Date Filing Date
BE535012D BE535012A (de) 1954-01-23

Country Status (5)

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

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 (de) * 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
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
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
US8334722B2 (en) 2007-06-28 2012-12-18 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
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 (en) 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2012139126A1 (en) 2011-04-08 2012-10-11 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE411185A (de) * 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 (de) * 1951-10-25

Also Published As

Publication number Publication date
DE1044152B (de) 1958-11-20
US2908753A (en) 1959-10-13
FR1098672A (fr) 1955-08-17
FR71697E (fr) 1960-01-13
GB794348A (en) 1958-04-30

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