BE620195A - - Google Patents
Info
- Publication number
- BE620195A BE620195A BE620195DA BE620195A BE 620195 A BE620195 A BE 620195A BE 620195D A BE620195D A BE 620195DA BE 620195 A BE620195 A BE 620195A
- Authority
- BE
- Belgium
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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26587/61A GB987235A (en) | 1961-07-21 | 1961-07-21 | Radio altimeters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620195A true BE620195A (fr) |
Family
ID=10245967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620195D BE620195A (fr) | 1961-07-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3231823A (fr) |
| BE (1) | BE620195A (fr) |
| DE (2) | DE1201428B (fr) |
| GB (2) | GB976249A (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299295A (en) * | 1964-12-07 | 1967-01-17 | Electronic Memories Inc | Pulsing circuit providing output pulses which are inhibited upon input pulses exceeding predetermined rate |
| US3358283A (en) * | 1965-07-23 | 1967-12-12 | Electronic Concepts Inc | Radio navigation system |
| US3457516A (en) * | 1966-03-14 | 1969-07-22 | Atomic Energy Commission | Double delay-line filters for pulse amplifiers |
| US3582680A (en) * | 1968-12-05 | 1971-06-01 | Bendix Corp | Variable impedance circuit |
| US3689845A (en) * | 1969-11-01 | 1972-09-05 | Philips Corp | Circuit arrangement for suppressing interferences in a receiver of electrical signals |
| US3680047A (en) * | 1970-12-15 | 1972-07-25 | Detection Systems Inc | Parametric integrator for condition-responsive systems |
| US3723770A (en) * | 1971-10-14 | 1973-03-27 | C Ryan | Current mode matched filter for digital data |
| DE2427878A1 (de) * | 1974-06-10 | 1975-12-18 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur speicherung eines momentanwerts einer amplitude |
| US3944936A (en) * | 1974-08-07 | 1976-03-16 | Rca Corporation | Zero crossover detector |
| US4137504A (en) * | 1977-08-12 | 1979-01-30 | Digital Equipment Corporation | Digital filter |
| CH625484A5 (fr) * | 1977-10-05 | 1981-09-30 | Loepfe Ag Geb | |
| JPS5514734A (en) * | 1978-07-17 | 1980-02-01 | Nec Corp | Pulse noise elimination circuit |
| US4387438A (en) * | 1980-11-12 | 1983-06-07 | The United States Of America As Represented By The Secretary Of The Interior | Continuous transducer drift compensator |
| US4509050A (en) * | 1982-08-30 | 1985-04-02 | United Technologies Corporation | Automatic adaptive sensitivity time control for a ground mapping radar |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3021488A (en) * | 1944-12-29 | 1962-02-13 | Bell Telephone Labor Inc | Monostable multivibrator responsive to positive and negative trigger pulses from single source |
| US2606975A (en) * | 1949-07-27 | 1952-08-12 | Rca Corp | Integrating type telegraph signal detector |
| US3011128A (en) * | 1958-05-29 | 1961-11-28 | Westinghouse Electric Corp | Triple coincidence detector |
| US3048789A (en) * | 1959-04-13 | 1962-08-07 | Rca Corp | Pulse counter type frequency detector |
| US3096447A (en) * | 1961-03-21 | 1963-07-02 | Gen Precision Inc | Transistor gate biased by signal being gated |
-
0
- BE BE620195D patent/BE620195A/xx unknown
-
1961
- 1961-07-14 GB GB25675/61A patent/GB976249A/en not_active Expired
- 1961-07-21 GB GB26587/61A patent/GB987235A/en not_active Expired
-
1962
- 1962-07-10 US US208739A patent/US3231823A/en not_active Expired - Lifetime
- 1962-07-12 DE DEJ22090A patent/DE1201428B/de active Pending
- 1962-07-21 DE DEJ22130A patent/DE1214753B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1201428B (de) | 1965-09-23 |
| GB987235A (en) | 1965-03-24 |
| DE1214753B (de) | 1966-04-21 |
| US3231823A (en) | 1966-01-25 |
| GB976249A (en) | 1964-11-25 |