NL250191A - - Google Patents

Info

Publication number
NL250191A
NL250191A NL250191A NL250191A NL250191A NL 250191 A NL250191 A NL 250191A NL 250191 A NL250191 A NL 250191A NL 250191 A NL250191 A NL 250191A NL 250191 A NL250191 A NL 250191A
Authority
NL
Netherlands
Application number
NL250191A
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
Priority claimed from DEST15639A external-priority patent/DE1104369B/de
Priority claimed from DE1960ST015994 external-priority patent/DE1283876B/de
Application filed filed Critical
Priority claimed from DE1961ST017742 external-priority patent/DE1299693B/de
Publication of NL250191A publication Critical patent/NL250191A/xx

Links

Classifications

    • 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
    • H04N5/50—Tuning indicators; Automatic tuning control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/007—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations
    • H03D13/009—Circuits for comparing the phase or frequency of two mutually-independent oscillations by analog multiplication of the oscillations or by performing a similar analog operation on the oscillations using diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/126—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal indirectly commands a frequency generator
    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • 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
    • H04N5/57—Control of contrast or brightness
    • 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
    • H04N5/57—Control of contrast or brightness
    • H04N5/58—Control of contrast or brightness in dependence upon ambient light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Television Receiver Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Rectifiers (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Control Of Eletrric Generators (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
NL250191A 1959-04-07 1960-04-06 NL250191A (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
DEST14972A DE1093814B (de) 1959-04-07 1959-04-07 Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten
DE1959ST015206 DE1144328C2 (de) 1959-04-07 1959-06-04 Verfahren zum phasen- und frequenzvergleich und schaltungsanordnung zur durchfuehrung des verfahrens
DEST15639A DE1104369B (de) 1959-09-30 1959-09-30 In ein Leichtmotorrad umwandelbares Motorfahrrad
DEST15949A DE1152137B (de) 1959-04-07 1959-12-30 Verfahren zum Phasen- und Frequenzvergleich unter Verwendung einer Schaltung mit zwei Gleichrichter-strecken
DE1960ST015994 DE1283876B (de) 1960-01-14 1960-01-14 Verfahren zum Phasen- und Frequenzvergleich unter Verwendung einer Schaltung mit zwei Gleichrichterstrecken
DEST16109A DE1291774B (de) 1959-04-07 1960-02-12 Verfahren zum Phasen- und Frequenzvergleich unter Verwendung einer Schaltung mit zwei Gleichrichterstrecken
DEST17042A DE1248095B (de) 1959-04-07 1960-10-25 Verfahren zur Beeinflussung des Kontrastverlaufes bei der Wiedergabe von Fernsehbildern
DE1961ST017742 DE1299693B (de) 1961-04-27 1961-04-27 Verfahren zum Phasen- und Frequenzvergleich unter Verwendung einer Schaltung mit zwei Gleichrichterstrecken

Publications (1)

Publication Number Publication Date
NL250191A true NL250191A (zh) 1964-02-25

Family

ID=32475927

Family Applications (3)

Application Number Title Priority Date Filing Date
NL250191A NL250191A (zh) 1959-04-07 1960-04-06
NL60252102A NL143776B (nl) 1959-04-07 1960-05-30 Inrichting met een schakeling voor fase- en frequentievergelijking van twee signalen en schakeling voor deze inrichting.
NL270595A NL270595A (zh) 1959-04-07 1961-10-25

Family Applications After (2)

Application Number Title Priority Date Filing Date
NL60252102A NL143776B (nl) 1959-04-07 1960-05-30 Inrichting met een schakeling voor fase- en frequentievergelijking van twee signalen en schakeling voor deze inrichting.
NL270595A NL270595A (zh) 1959-04-07 1961-10-25

Country Status (4)

Country Link
US (4) US3087012A (zh)
DE (5) DE1093814B (zh)
GB (3) GB910937A (zh)
NL (3) NL250191A (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177198B (de) * 1961-06-09 1964-09-03 Telefunken Patent Schaltungsanordnung zur Synchronisierung eines Schwingungserzeugers, insbesondere fuer Fernsehempfaenger
BE636525A (zh) * 1962-09-07 1900-01-01
DE1211246B (de) * 1963-11-06 1966-02-24 Loewe Opta Ag Verfahren zur stoerungsfreien Wiedergabe von auf Magnetogrammtraegern gespeicherten Hochfrequenzsignalen
DE1591994C3 (de) * 1967-07-12 1984-03-01 Rohde & Schwarz GmbH & Co KG, 8000 München Kombinierte Frequenz- und Phasenvergleichsschaltung
US3622698A (en) * 1969-03-03 1971-11-23 Magnavox Co Facsimile system with selective contrast control
FR2117909B1 (zh) * 1970-12-16 1976-12-03 Fernseh Gmbh
DE2208267C3 (de) * 1972-02-22 1983-01-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Synchronisierschaltung für die Zeilenablenkung in einem Fernsehempfänger
FR2284306A1 (fr) * 1974-09-13 1976-04-09 Thomson Csf Perfectionnements aux appareils de visualisation d'une section d'un corps soumis a des radiations penetrantes, et notamment a des rayonx x ou g
US4511921A (en) * 1982-06-16 1985-04-16 Rca Corporation Television receiver with manual and selectively disabled automatic picture control
US4451849A (en) * 1982-06-23 1984-05-29 Rca Corporation Plural operating mode ambient light responsive television picture control
US4573081A (en) * 1983-08-26 1986-02-25 Rca Corporation Frequency selective video signal compression
US6327708B1 (en) 1998-09-15 2001-12-04 True Image, L.L.C. System of absolute measurement for radiological image luminance control

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE532327A (zh) *
US2243599A (en) * 1938-04-30 1941-05-27 Hazeltine Corp Video-frequency signal-translating system
US2259520A (en) * 1939-03-15 1941-10-21 Hazeltine Corp Television receiving apparatus
US2264172A (en) * 1939-08-25 1941-11-25 John C Batchelor Television receiver
US2310671A (en) * 1941-02-12 1943-02-09 John C Batchelor Image producer
US2463735A (en) * 1945-03-17 1949-03-08 Rca Corp Split channel direct-current insertion network
FR960860A (zh) * 1947-02-12 1950-04-27
US2551785A (en) * 1947-06-24 1951-05-08 Rca Corp Television synchronizing apparatus
NL150323B (nl) * 1948-04-15 Ideal Kk Zelfopenende en -sluitende paraplu.
GB692543A (en) * 1948-04-21 1953-06-10 Emi Ltd Improvements relating to non-linear electrical circuits
GB683605A (en) * 1948-04-21 1952-12-03 Emi Ltd Improvements relating to television apparatus employing non-linear circuits
DE972553C (de) * 1951-02-16 1959-08-13 Max Grundig Schaltungsanordnung zur selbsttaetigen Phasenregelung eines synchronisierten Oszillators
US2703341A (en) * 1951-09-11 1955-03-01 Philco Corp Automatic gain control for television receivers providing control during weak signal reception
US2742591A (en) * 1952-07-18 1956-04-17 Samuel A Procter Television sweep circuit
NL182822B (nl) * 1952-11-15 Roskam Willem Gerrit Preparatief elektroforese-apparaat.
NL191748A (zh) * 1953-10-27
US2812435A (en) * 1954-10-05 1957-11-05 Hughes Aircraft Co Time discriminator
BE546952A (zh) * 1955-04-12
US2865991A (en) * 1956-01-03 1958-12-23 Trad Television Corp Dynamic contrast expander
US2937235A (en) * 1956-05-01 1960-05-17 Rca Corp Automatic gain control systems
US2859717A (en) * 1956-07-02 1958-11-11 Aubrey S Crutcher Slack pipe loop lowering device and method
US2853650A (en) * 1956-08-27 1958-09-23 Richard N Close C.-r. tube deflection circuit
DE1088534B (de) * 1956-10-20 1960-09-08 Grundig Max Gradationsregler fuer Fernsehempfaenger
US2923851A (en) * 1956-12-26 1960-02-02 Clayton A Washburn Wave-form generator
US2882447A (en) * 1957-02-26 1959-04-14 Shuhman Abraham Anode pulser
AT203073B (de) * 1957-03-09 1959-04-25 Philips Nv Schaltungsanordnung zur Regelung der Grundhelligkeit und der Gradation einer elektro-optischen Wiedergabeeinrichtung, insbesondere in einem Fernsehempfänger
US2999127A (en) * 1957-10-14 1961-09-05 Philco Corp Amplitude selective amplifying system
US2864954A (en) * 1957-11-01 1958-12-16 Edward L Byrne Pulse regenerator circuit
NL238629A (zh) * 1958-04-29
DE1112543B (de) * 1959-02-14 1961-08-10 Philips Nv Schaltungsanordnung zur selbsttaetigen raumlichtabhaengigen Regelung der Helligkeit und des Kontrastes bei einem Fernsehempfaenger

Also Published As

Publication number Publication date
DE1093814B (de) 1960-12-01
DE1152137B (de) 1963-08-01
US3144612A (en) 1964-08-11
GB996624A (en) 1965-06-30
GB910937A (en) 1962-11-21
GB997584A (en) 1965-07-07
US3187095A (en) 1965-06-01
DE1144328B (de) 1963-02-28
NL252102A (zh) 1964-02-25
DE1291774B (de) 1969-04-03
DE1144328C2 (de) 1978-10-05
US3104281A (en) 1963-09-17
DE1248095B (de) 1967-08-24
NL270595A (zh) 1964-08-05
NL143776B (nl) 1974-10-15
US3087012A (en) 1963-04-23

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