DK126279B - Kobling til automatisk regulering af styrken af signaler, der modtages af en hydrofon. - Google Patents
Kobling til automatisk regulering af styrken af signaler, der modtages af en hydrofon.Info
- Publication number
- DK126279B DK126279B DK650669A DK650669A DK126279B DK 126279 B DK126279 B DK 126279B DK 650669 A DK650669 A DK 650669A DK 650669 A DK650669 A DK 650669A DK 126279 B DK126279 B DK 126279B
- Authority
- DK
- Denmark
- Prior art keywords
- hydrophone
- coupling
- strength
- signals received
- automatic regulation
- Prior art date
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 |
|---|---|
| DK126279B true DK126279B (da) | 1973-06-25 |
Family
ID=8658165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK650669A DK126279B (da) | 1968-12-11 | 1969-12-09 | Kobling til automatisk regulering af styrken af signaler, der modtages af en hydrofon. |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE742465A (https=) |
| DE (1) | DE1961916B2 (https=) |
| DK (1) | DK126279B (https=) |
| GB (1) | GB1257520A (https=) |
| NL (1) | NL6918282A (https=) |
| SE (1) | SE351299B (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2151348C3 (de) * | 1971-10-15 | 1981-03-12 | Fried. Krupp Gmbh, 4300 Essen | Schaltungsanordnung in einem Echolot zum Unterscheiden von Echosignalen |
| JPS5912145B2 (ja) * | 1977-10-21 | 1984-03-21 | 古野電気株式会社 | レ−ダ−及び類似装置 |
| IT1190872B (it) * | 1982-06-17 | 1988-02-24 | Sgs Microelettronica Spa | Sistema di amplificazione audio con incremento della potenza media di ascolto |
| JPH03227715A (ja) * | 1990-02-01 | 1991-10-08 | Mitsubishi Electric Corp | 超音波障害物センサ |
| US6557301B1 (en) | 1999-06-22 | 2003-05-06 | Hörmann KG Antriebstechnik | Locking device and door-drive device comprising the same, for a door operated by a motor assembly |
| DE102012200991A1 (de) * | 2012-01-24 | 2013-07-25 | Robert Bosch Gmbh | Umfelderfassungsvorrichtung und dazugehöriges Verfahren zur Bestimmung der Position und/oder der Bewegung von einem Objekt |
| DE102013210600A1 (de) * | 2013-06-07 | 2014-12-11 | Robert Bosch Gmbh | Vorrichtung zur Umfeldsensorik |
| 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 NL NL6918282A patent/NL6918282A/xx not_active Application Discontinuation
- 1969-12-04 GB GB1257520D patent/GB1257520A/en not_active Expired
- 1969-12-09 DK DK650669A patent/DK126279B/da unknown
- 1969-12-10 DE DE19691961916 patent/DE1961916B2/de active Granted
- 1969-12-10 SE SE1706069A patent/SE351299B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1257520A (https=) | 1971-12-22 |
| DE1961916B2 (de) | 1973-09-27 |
| NL6918282A (https=) | 1970-06-15 |
| DE1961916A1 (de) | 1970-07-09 |
| DE1961916C3 (https=) | 1974-04-25 |
| SE351299B (https=) | 1972-11-20 |
| BE742465A (https=) | 1970-05-14 |
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