FR982752A - Phase comparison method in control systems - Google Patents

Phase comparison method in control systems

Info

Publication number
FR982752A
FR982752A FR982752DA FR982752A FR 982752 A FR982752 A FR 982752A FR 982752D A FR982752D A FR 982752DA FR 982752 A FR982752 A FR 982752A
Authority
FR
France
Prior art keywords
control systems
phase comparison
comparison method
phase
systems
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
French (fr)
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.)
Cinema Television Ltd
Original Assignee
Cinema Television Ltd
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 Cinema Television Ltd filed Critical Cinema Television Ltd
Application granted granted Critical
Publication of FR982752A publication Critical patent/FR982752A/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/35—Details of non-pulse systems
    • G01S7/352—Receivers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/40—Synchronising a generator for connection to a network or to another generator
    • H02J3/42—Synchronising a generator for connection to a network or to another generator with automatic parallel connection when synchronisation is achieved
    • 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
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Magnetically Actuated Valves (AREA)
FR982752D 1951-07-10 1949-03-09 Phase comparison method in control systems Expired FR982752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1635851A GB703189A (en) 1951-07-10 1951-07-10 Improvements in or relating to relative phase responsive arrangements

Publications (1)

Publication Number Publication Date
FR982752A true FR982752A (en) 1951-06-14

Family

ID=10075857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982752D Expired FR982752A (en) 1951-07-10 1949-03-09 Phase comparison method in control systems

Country Status (2)

Country Link
FR (1) FR982752A (en)
GB (1) GB703189A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271169B (en) * 1964-05-07 1968-06-27 Plessey Co Ltd Frequency and phase comparison arrangement for two periodic signals generating two pulse trains
EP0355330A2 (en) * 1988-08-18 1990-02-28 ANT Nachrichtentechnik GmbH Method and arrangement for determining the phase difference between two carrier signals

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877416A (en) * 1953-03-02 1959-03-10 Marconi Wireless Telegraph Co Phase measuring circuit arrangements
US3177428A (en) * 1959-10-30 1965-04-06 Borg Warner Phase detector including capacitive averaging and mixing means
US3324399A (en) * 1964-06-19 1967-06-06 Vitro Corp Of America Linear phase demodulator
DE2229887C3 (en) * 1972-06-19 1980-07-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Distance measuring device with a laser working as a transmitter and its application for speed measurement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271169B (en) * 1964-05-07 1968-06-27 Plessey Co Ltd Frequency and phase comparison arrangement for two periodic signals generating two pulse trains
EP0355330A2 (en) * 1988-08-18 1990-02-28 ANT Nachrichtentechnik GmbH Method and arrangement for determining the phase difference between two carrier signals
EP0355330A3 (en) * 1988-08-18 1990-07-11 ANT Nachrichtentechnik GmbH Method and arrangement for determining the phase difference between two carrier signals

Also Published As

Publication number Publication date
GB703189A (en) 1954-01-27

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