GB742829A - Phase comparison circuit including a semi-conducing device - Google Patents

Phase comparison circuit including a semi-conducing device

Info

Publication number
GB742829A
GB742829A GB30089/53A GB3008953A GB742829A GB 742829 A GB742829 A GB 742829A GB 30089/53 A GB30089/53 A GB 30089/53A GB 3008953 A GB3008953 A GB 3008953A GB 742829 A GB742829 A GB 742829A
Authority
GB
United Kingdom
Prior art keywords
emitter
phase
oscillation
source
collector
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
GB30089/53A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB742829A publication Critical patent/GB742829A/en
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
    • H04N5/04—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
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • 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
    • H03D13/005—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular
    • H03D13/006—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which one of the oscillations is, or is converted into, a signal having a special waveform, e.g. triangular and by sampling this signal by narrow pulses obtained from the second oscillation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
    • H03D3/14—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of semiconductor devices having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronizing For Television (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Details Of Television Scanning (AREA)
  • Manipulation Of Pulses (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Networks Using Active Elements (AREA)
  • Measuring Phase Differences (AREA)
GB30089/53A 1952-11-15 1953-10-30 Phase comparison circuit including a semi-conducing device Expired GB742829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US320712A US2876382A (en) 1952-11-15 1952-11-15 Phase comparison

Publications (1)

Publication Number Publication Date
GB742829A true GB742829A (en) 1956-01-04

Family

ID=23247588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30089/53A Expired GB742829A (en) 1952-11-15 1953-10-30 Phase comparison circuit including a semi-conducing device

Country Status (9)

Country Link
US (1) US2876382A (show.php)
JP (1) JPS308194B1 (show.php)
CH (1) CH326806A (show.php)
DE (1) DE941065C (show.php)
DK (1) DK103573C (show.php)
ES (1) ES212175A1 (show.php)
FR (1) FR1088793A (show.php)
GB (1) GB742829A (show.php)
NL (1) NL182822B (show.php)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190028B (de) * 1958-06-05 1965-04-01 Loewe Opta Ag Synchronisieranordnung fuer die Bild- oder Zeilenablenkung in Fernsehempfaengern
DE1093814B (de) * 1959-04-07 1960-12-01 Standard Elektrik Lorenz Ag Verfahren zur automatischen Kontrastregelung von Fernsehgeraeten
GB944161A (en) * 1959-04-09 1963-12-11 Rank Bush Murphy Ltd Improvements in or relating to oscillator synchronizing circuit arrangements
US3022461A (en) * 1959-07-20 1962-02-20 Ampex Frequency and/or phase demodulator
US3084276A (en) * 1960-01-18 1963-04-02 Texas Instruments Inc Transistorized dynamic focus circuit
US3199045A (en) * 1961-08-09 1965-08-03 Zenith Radio Corp Automatic frequency control system
US3183445A (en) * 1962-04-04 1965-05-11 Sigel David Phase comparator "and" gate
NL301214A (show.php) * 1962-12-03
LU61620A1 (show.php) * 1969-09-19 1970-12-01
US3863080A (en) * 1973-10-18 1975-01-28 Rca Corp Current output frequency and phase comparator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503700A (en) * 1947-09-30 1950-04-11 Rca Corp Phase detector
NL76055C (show.php) * 1948-04-21
NL101490C (show.php) * 1949-04-16
US2627039A (en) * 1950-05-29 1953-01-27 Bell Telephone Labor Inc Gating circuits
US2713665A (en) * 1950-11-09 1955-07-19 Bell Telephone Labor Inc Transistor modulator circuits
US2645717A (en) * 1951-08-18 1953-07-14 Motorola Inc Synchronization circuit
US2629834A (en) * 1951-09-15 1953-02-24 Bell Telephone Labor Inc Gate and trigger circuits employing transistors
NL179583B (nl) * 1952-07-18 Janssen Pharmaceutica Nv Werkwijze ter bereiding van een geneesmiddel met anti-inflammatoire werking, en werkwijze ter bereiding van geneeskrachtige aroyl-gesubstitueerde fenylazijnzuurderivaten.
US2657360A (en) * 1952-08-15 1953-10-27 Bell Telephone Labor Inc Four-electrode transistor modulator

Also Published As

Publication number Publication date
JPS308194B1 (show.php) 1955-11-12
US2876382A (en) 1959-03-03
NL182822B (nl)
ES212175A1 (es) 1954-01-01
DE941065C (de) 1956-04-05
CH326806A (de) 1957-12-31
FR1088793A (fr) 1955-03-10
DK103573C (da) 1966-01-24

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