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Class Information
Number: 367/122
Name: Communications, electrical: acoustic wave systems and devices > Distance or direction finding > With beam steering, scanning, or focussing > By electrical means > Transducer switching or gating
Description: Subject matter wherein the directional characteristics are varied by selectively or repetitively opening and closing the electrical signal path from the transducer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6836243 |
System and method for processing a signal being emitted from a target signal source into a noisy environment |
Dec. 28, 2004 |
| 6540677 |
Ultrasound transceiver system for remote operation through a minimal number of connecting wires |
Apr. 1, 2003 |
| 6310832 |
Interpolated beamforming tracker |
Oct. 30, 2001 |
| 6292431 |
Marine seismic cable termination |
Sep. 18, 2001 |
| 6198693 |
System and method for finding the direction of a wave source using an array of sensors |
Mar. 6, 2001 |
| 6181643 |
Interferometer with a single projector array and a single receiver array |
Jan. 30, 2001 |
| 6122602 |
Method and arrangement for electromagnetic wave distance measurement by the pulse transit time method |
Sep. 19, 2000 |
| 6046961 |
Multi-layer tiled array |
Apr. 4, 2000 |
| 5490219 |
Noise canceling microphone with visual feedback |
Feb. 6, 1996 |
| 4991147 |
Preformed beam tracker |
Feb. 5, 1991 |
| 4985874 |
Solid state sequencing switch |
Jan. 15, 1991 |
| 4970703 |
Switched capacitor waveform processing circuit |
Nov. 13, 1990 |
| 4969132 |
Delay quantization technique to reduce steering errors in digital beamformers |
Nov. 6, 1990 |
| 4939701 |
Method and apparatus for error reduction when measuring movement in space of test points by means of ultrasonic signals |
Jul. 3, 1990 |
| 4914642 |
Remote sonic location system |
Apr. 3, 1990 |
| 4679176 |
Ultrasonic receiving apparatus |
Jul. 7, 1987 |
| 4567766 |
Piezoelectric ultrasonic apparatus and method for determining the distance from a predetermined point to a target |
Feb. 4, 1986 |
| 4559605 |
Method and apparatus for random array beamforming |
Dec. 17, 1985 |
| 4509151 |
Marine acoustic analysis system and method |
Apr. 2, 1985 |
| 4455630 |
Device for forming an image by means of ultrasound |
Jun. 19, 1984 |
| 4433397 |
Circuit arrangement for the formation and processing of group signals |
Feb. 21, 1984 |
| 4433396 |
Sonar receivers |
Feb. 21, 1984 |
| 4425634 |
Detection system |
Jan. 10, 1984 |
| 4420825 |
Element-sited beamformer |
Dec. 13, 1983 |
| 4414654 |
Thinned array transducer for sonar |
Nov. 8, 1983 |
| 4413332 |
Scanning beamformer for a very high resolution circular arc sonar |
Nov. 1, 1983 |
| 4412316 |
Ultrasonic transducer arrangement |
Oct. 25, 1983 |
| 4359767 |
Ultrasonic array |
Nov. 16, 1982 |
| 4333170 |
Acoustical detection and tracking system |
Jun. 1, 1982 |
| 4287580 |
Miniaturized scan within a pulse sonar |
Sep. 1, 1981 |
| 4275461 |
Parallel digital beam-forming system |
Jun. 23, 1981 |
| 4274148 |
Digital time-delay beamformer for sonar systems |
Jun. 16, 1981 |
| 4271490 |
Ultrasonic detection system |
Jun. 2, 1981 |
| 4247900 |
Signal combiner with permuted addressing |
Jan. 27, 1981 |
| 4233678 |
Serial phase shift beamformer using charge transfer devices |
Nov. 11, 1980 |
| 4207621 |
Electrically steerable sonar system |
Jun. 10, 1980 |
| 4203162 |
Electrically steerable spherical hydrophone array |
May. 13, 1980 |
| 4202050 |
Multi-angular sector sound transmitting and receiving system |
May. 6, 1980 |
| 4180792 |
Transmit-receive transducer array and ultrasonic imaging system |
Dec. 25, 1979 |
| 4173008 |
Method and apparatus for passive detection of marine objects |
Oct. 30, 1979 |
| 4166999 |
High resolution phase shifter beamformer for a cylindrical array |
Sep. 4, 1979 |
| 4143351 |
Sonic direction finder |
Mar. 6, 1979 |
| 4107685 |
Beam forming system |
Aug. 15, 1978 |
| 4056715 |
Device for forming channels using detectors spaced out on a circular base |
Nov. 1, 1977 |
| 4054873 |
Device for forming channels |
Oct. 18, 1977 |
| 4042930 |
Device for forming channels using detectors spaced out on a circular base |
Aug. 16, 1977 |
| 4014023 |
Beam former utilizing geometric sampling |
Mar. 22, 1977 |
| 4003015 |
Multipath sonar system |
Jan. 11, 1977 |
| 4003016 |
Digital beamforming system |
Jan. 11, 1977 |
| 3955172 |
Remote control sonar beam steerer |
May. 4, 1976 |
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