NL7203484A - - Google Patents
Info
- Publication number
- NL7203484A NL7203484A NL7203484A NL7203484A NL7203484A NL 7203484 A NL7203484 A NL 7203484A NL 7203484 A NL7203484 A NL 7203484A NL 7203484 A NL7203484 A NL 7203484A NL 7203484 A NL7203484 A NL 7203484A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
- G11C27/04—Shift registers
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/42—Simultaneous measurement of distance and other co-ordinates
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712114373 DE2114373C3 (en) | 1971-03-25 | 1971-03-25 | Circuit arrangement for forming group signals in DF technology using delay circuits |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7203484A true NL7203484A (en) | 1972-09-27 |
NL171743B NL171743B (en) | 1982-12-01 |
NL171743C NL171743C (en) | 1983-05-02 |
Family
ID=5802660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7203484A NL171743C (en) | 1971-03-25 | 1972-03-16 | DEVICE FOR FORMING GROUP CHARACTERISTIC SIGNALS. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2114373C3 (en) |
FR (1) | FR2131551A5 (en) |
GB (1) | GB1325414A (en) |
NL (1) | NL171743C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0007864A1 (en) * | 1978-07-25 | 1980-02-06 | Thomson-Csf | Sonar beam formation by means of charge transfer devices |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4372166A (en) * | 1981-01-13 | 1983-02-08 | The Perkin-Elmer Corporation | Flowmeter system with digital phase shifter and calibration |
DE3428046A1 (en) * | 1984-07-30 | 1986-01-30 | Siemens AG, 1000 Berlin und 8000 München | METHOD AND DEVICE FOR DELAYING AN ULTRASONIC SIGNAL |
DE10027538C1 (en) * | 2000-06-02 | 2001-10-31 | Stn Atlas Elektronik Gmbh | Sound wave direction detection method for sonar device has electroacoustic signals processed via non-linear function before summation to provide reception antenna group signal |
DE10332886B3 (en) * | 2003-07-19 | 2004-12-30 | Atlas Elektronik Gmbh | Phased hydrophone array for active sonar system oscillator connected to direction control signal circuit and correlator circuits and reference signal circuit |
DE10356577B4 (en) * | 2003-12-04 | 2006-04-06 | Atlas Elektronik Gmbh | Method for emitting and receiving wave energy |
-
1971
- 1971-03-25 DE DE19712114373 patent/DE2114373C3/en not_active Expired
-
1972
- 1972-03-16 NL NL7203484A patent/NL171743C/en not_active IP Right Cessation
- 1972-03-23 FR FR7210151A patent/FR2131551A5/fr not_active Expired
- 1972-03-24 GB GB1389172A patent/GB1325414A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0007864A1 (en) * | 1978-07-25 | 1980-02-06 | Thomson-Csf | Sonar beam formation by means of charge transfer devices |
Also Published As
Publication number | Publication date |
---|---|
DE2114373C3 (en) | 1980-04-17 |
GB1325414A (en) | 1973-08-01 |
DE2114373A1 (en) | 1972-10-05 |
NL171743C (en) | 1983-05-02 |
DE2114373B2 (en) | 1979-08-09 |
NL171743B (en) | 1982-12-01 |
FR2131551A5 (en) | 1972-11-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee |