NL6604625A - - Google Patents
Info
- Publication number
- NL6604625A NL6604625A NL6604625A NL6604625A NL6604625A NL 6604625 A NL6604625 A NL 6604625A NL 6604625 A NL6604625 A NL 6604625A NL 6604625 A NL6604625 A NL 6604625A NL 6604625 A NL6604625 A NL 6604625A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
-
- 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
- G01S13/02—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
- G01S13/62—Sense-of-movement determination
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Nonlinear Science (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44604165A | 1965-04-06 | 1965-04-06 | |
| US65857567A | 1967-08-04 | 1967-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6604625A true NL6604625A (US08124317-20120228-C00038.png) | 1966-10-07 |
Family
ID=27034481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6604625A NL6604625A (US08124317-20120228-C00038.png) | 1965-04-06 | 1966-04-06 |
Country Status (7)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3783394A (en) * | 1971-11-19 | 1974-01-01 | Rca Corp | Frequency comparator system |
| US3913023A (en) * | 1974-03-27 | 1975-10-14 | Int Standard Electric Corp | Fail-safe logic circuit arrangement for use in railway signalling systems |
| SE382120B (sv) * | 1975-01-29 | 1976-01-12 | Ericsson Telefon Ab L M | Anordning for metning av sma frekvensdifferenser |
| GB1477584A (en) * | 1975-10-14 | 1977-06-22 | Mullard Ltd | Phase comparator |
| US4196391A (en) * | 1978-04-28 | 1980-04-01 | Weber Harold J | Metal locator with stereotonic indication of translateral position |
| US4255710A (en) * | 1978-05-19 | 1981-03-10 | Weber Harold J | Plural search frequency directional metal detector apparatus having enhanced sensitivity |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2556226A (en) * | 1947-05-24 | 1951-06-12 | Int Standard Electric Corp | Center frequency stabilizer for frequency modulation transmitters |
| US2888643A (en) * | 1955-04-29 | 1959-05-26 | Gen Electric | Apparatus for determining frequency |
| US3059187A (en) * | 1959-11-02 | 1962-10-16 | Hughes Aircraft Co | Frequency storage system |
| NL278326A (US08124317-20120228-C00038.png) * | 1961-05-11 | |||
| US3154741A (en) * | 1961-06-26 | 1964-10-27 | Motorola Inc | Phase-error cancellation heterodyne receiver |
-
1966
- 1966-03-26 DE DE19661516994 patent/DE1516994A1/de active Pending
- 1966-03-29 GB GB13746/66A patent/GB1143968A/en not_active Expired
- 1966-03-30 BE BE678692D patent/BE678692A/xx unknown
- 1966-04-05 SE SE04589/66A patent/SE330933B/xx unknown
- 1966-04-05 FR FR56454A patent/FR1474580A/fr not_active Expired
- 1966-04-06 NL NL6604625A patent/NL6604625A/xx unknown
-
1967
- 1967-08-04 US US658575A patent/US3519929A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1143968A (en) | 1969-02-26 |
| DE1516994A1 (de) | 1969-09-25 |
| FR1474580A (fr) | 1967-03-24 |
| BE678692A (US08124317-20120228-C00038.png) | 1966-09-01 |
| SE330933B (US08124317-20120228-C00038.png) | 1970-12-07 |
| US3519929A (en) | 1970-07-07 |
