BE687269A - - Google Patents

Info

Publication number
BE687269A
BE687269A BE687269DA BE687269A BE 687269 A BE687269 A BE 687269A BE 687269D A BE687269D A BE 687269DA BE 687269 A BE687269 A BE 687269A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE687269A publication Critical patent/BE687269A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/02—Input circuits
    • 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
    • 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
    • G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/66—Radar-tracking systems; Analogous systems
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/66—Radar-tracking systems; Analogous systems
    • G01S13/70—Radar-tracking systems; Analogous systems for range tracking only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
BE687269D 1965-10-12 1966-09-23 BE687269A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49506665A 1965-10-12 1965-10-12

Publications (1)

Publication Number Publication Date
BE687269A true BE687269A (fr) 1967-03-01

Family

ID=23967121

Family Applications (1)

Application Number Title Priority Date Filing Date
BE687269D BE687269A (fr) 1965-10-12 1966-09-23

Country Status (2)

Country Link
US (1) US3509476A (fr)
BE (1) BE687269A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430015A1 (fr) * 1978-06-26 1980-01-25 Zalessky Eduard Discriminateur de phase

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626307A (en) * 1969-02-14 1971-12-07 Iwasaki Tsushinki Kaisha A K A Counting system for measuring a difference between frequencies of two signals
US3663884A (en) * 1969-10-24 1972-05-16 Westinghouse Electric Corp Frequency difference detector
US3755745A (en) * 1971-08-20 1973-08-28 Itt Noise discrimination apparatus
US3735324A (en) * 1971-12-02 1973-05-22 Us Navy Digital frequency discriminator
US3849671A (en) * 1972-05-15 1974-11-19 Dynell Elec Phase detector circuitry
FR2337345A1 (fr) * 1975-12-30 1977-07-29 Jules Jacques Dispositif de mesure rapide de la frequence d'un signal electrique periodique
JPS52112355A (en) * 1976-03-18 1977-09-20 Shin Shirasuna Electric Corp Method of detecting whether or not phase difference between two signals is constant
US4052676A (en) * 1976-06-10 1977-10-04 Woodward Governor Company Digital-analog frequency error signaling
US4278903A (en) * 1978-04-28 1981-07-14 Tokyo Shibaura Denki Kabushiki Kaisha Phase comparison circuit
US4441063A (en) * 1980-05-06 1984-04-03 Square D Company Pulse generating system
DE3025356A1 (de) * 1980-07-04 1982-01-21 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltungsanordnung zur digitalen phasendifferenz-messung, deren verwendung in einer synchronisierschaltung und entsprechende synchronisierschaltung
US4777447A (en) * 1985-09-12 1988-10-11 Siemens Aktiengesellschaft Method and apparatus for a digital difference frequency mixer
US5867125A (en) * 1995-12-20 1999-02-02 Cluff; Larry A. Incremental phase and distance measurement through digital phase signature comparison

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858425A (en) * 1952-11-08 1958-10-28 Lab For Electronics Inc Digital discriminator
US3069623A (en) * 1958-08-07 1962-12-18 Itt Frequency difference detector
US2985773A (en) * 1959-01-28 1961-05-23 Westinghouse Electric Corp Differential frequency rate circuit comprising logic components
US3187195A (en) * 1961-01-16 1965-06-01 Kauke And Company Inc Frequency difference measuring circuit
US3235800A (en) * 1961-06-26 1966-02-15 Leeds & Northrup Co System for measuring frequency by comparing unknown to reference and determining therate of change of phase

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2430015A1 (fr) * 1978-06-26 1980-01-25 Zalessky Eduard Discriminateur de phase

Also Published As

Publication number Publication date
US3509476A (en) 1970-04-28

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: GENERAL DYNAMICS CORP.

Effective date: 19860923