BE742465A - - Google Patents
Info
- Publication number
- BE742465A BE742465A BE742465DA BE742465A BE 742465 A BE742465 A BE 742465A BE 742465D A BE742465D A BE 742465DA BE 742465 A BE742465 A BE 742465A
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/534—Details of non-pulse systems
- G01S7/5345—Gain control of receivers
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/534—Details of non-pulse systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR177686 | 1968-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE742465A true BE742465A (en) | 1970-05-14 |
Family
ID=8658165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE742465D BE742465A (en) | 1968-12-11 | 1969-12-01 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE742465A (en) |
| DE (1) | DE1961916B2 (en) |
| DK (1) | DK126279B (en) |
| GB (1) | GB1257520A (en) |
| NL (1) | NL6918282A (en) |
| SE (1) | SE351299B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2151348C3 (en) * | 1971-10-15 | 1981-03-12 | Fried. Krupp Gmbh, 4300 Essen | Circuit arrangement in an echo sounder for distinguishing between echo signals |
| JPS5912145B2 (en) * | 1977-10-21 | 1984-03-21 | 古野電気株式会社 | Radar and similar equipment |
| IT1190872B (en) * | 1982-06-17 | 1988-02-24 | Sgs Microelettronica Spa | AUDIO AMPLIFICATION SYSTEM WITH INCREASE IN THE AVERAGE LISTENING POWER |
| JPH03227715A (en) * | 1990-02-01 | 1991-10-08 | Mitsubishi Electric Corp | Ultrasonic wave obstacle sensor |
| WO2000079086A1 (en) | 1999-06-22 | 2000-12-28 | Hörmann KG Antriebstechnik | Locking device and door-drive device comprising the same, for a door operated by a motor assembly |
| DE102012200991A1 (en) * | 2012-01-24 | 2013-07-25 | Robert Bosch Gmbh | Environment detecting device and associated method for determining the position and / or movement of an object |
| DE102013210600A1 (en) * | 2013-06-07 | 2014-12-11 | Robert Bosch Gmbh | Device for environment sensors |
| EP2852057B1 (en) * | 2013-09-20 | 2018-05-16 | Nxp B.V. | An audio and ultrasound signal processing circuit and an ultrasound signal processing circuit, and associated methods |
-
1969
- 1969-12-01 BE BE742465D patent/BE742465A/xx unknown
- 1969-12-04 GB GB1257520D patent/GB1257520A/en not_active Expired
- 1969-12-04 NL NL6918282A patent/NL6918282A/xx not_active Application Discontinuation
- 1969-12-09 DK DK650669A patent/DK126279B/en unknown
- 1969-12-10 DE DE19691961916 patent/DE1961916B2/en active Granted
- 1969-12-10 SE SE1706069A patent/SE351299B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK126279B (en) | 1973-06-25 |
| SE351299B (en) | 1972-11-20 |
| GB1257520A (en) | 1971-12-22 |
| NL6918282A (en) | 1970-06-15 |
| DE1961916C3 (en) | 1974-04-25 |
| DE1961916A1 (en) | 1970-07-09 |
| DE1961916B2 (en) | 1973-09-27 |