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
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)
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)
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)
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)
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 |
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1965
- 1965-10-12 US US495066A patent/US3509476A/en not_active Expired - Lifetime
-
1966
- 1966-09-23 BE BE687269D patent/BE687269A/xx not_active IP Right Cessation
Cited By (1)
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 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: GENERAL DYNAMICS CORP. Effective date: 19860923 |