Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 367/903
Name: Communications, electrical: acoustic wave systems and devices > Transmit-receive circuitry
Description: Acoustic wave echo systems which permit alternate projection and detection of acoustic wave energy while using a single transducer.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8242626 Magneto-electric method and apparatus for remote powering on the hull of an underwater vehicle Aug. 14, 2012
8107322 Device and method for attenuating an anti-resonant circuit Jan. 31, 2012
7583562 Transducer circuit coupled to a control unit through a cable Sep. 1, 2009
7542375 Method for simultaneous transmission of soundwaves and, in particular, sonar pulses, without interference Jun. 2, 2009
7512037 Method and apparatus for acoustic system having a transceiver module Mar. 31, 2009
7505363 Automatic switch for marine sounders Mar. 17, 2009
7495572 Smart sensor systems--swimmer detection Feb. 24, 2009
7349291 Pulse-echo ranging system Mar. 25, 2008
7004031 Ultrasonic sensor Feb. 28, 2006
6748803 Liquid measurement system and shared interface apparatus for use therein Jun. 15, 2004
6731569 Methods for reducing ringing of ultrasonic transducers May. 4, 2004
6674690 Acoustic transducer damping method Jan. 6, 2004
6608798 Transmit-receive switch apparatus and method Aug. 19, 2003
6570818 Electroacoustic transducer May. 27, 2003
RE38069 Electrical switched load relocation apparatus Apr. 8, 2003
6418080 Underwater detection apparatus Jul. 9, 2002
6269052 Transmitting/receiving circuit and transmitting/receiving method for a transducer Jul. 31, 2001
5742645 Method of digital demodulation of a composite signal Apr. 21, 1998
5731664 Electrical switched load relocation apparatus Mar. 24, 1998
5696489 Wireless boundary monitor system and method Dec. 9, 1997
5694373 Sonic wave synchronizer Dec. 2, 1997
5515339 Ultrasonic transmitting-receiving apparatus May. 7, 1996
5469174 Pulse transmitter for terminating reflected waves Nov. 21, 1995
5347495 Matching transformer for ultrasonic transducer Sep. 13, 1994
5339259 High speed high resolution ultrasonic position and orientation tracker Aug. 16, 1994
5335545 Ultrasonic detector with frequency matching Aug. 9, 1994
5307273 Apparatus and method for recognizing carpets and stairs by cleaning robot Apr. 26, 1994
5277065 Detector with ringdown frequency matching Jan. 11, 1994
5267219 Acoustic range-finding system Nov. 30, 1993
5199299 Ultrasonic unipolar pulse/echo instrument Apr. 6, 1993
5177711 Object detecting switch device Jan. 5, 1993
5144592 Ultrasonic transmission-reception system Sep. 1, 1992
5138586 Acoustic logic circuits Aug. 11, 1992
5136548 Remote-control system for closures Aug. 4, 1992
5073878 Circuit for driving an acoustic transducer Dec. 17, 1991
5058083 Flexducer preamplifier power controller Oct. 15, 1991
5050986 Synchronization system for controlling switches Sep. 24, 1991
5008862 Object detecting switch device Apr. 16, 1991
5001678 System for detecting surrounding environmental conditions using a multiple number of incoming signals Mar. 19, 1991
4958327 Ultrasonic imaging apparatus Sep. 18, 1990
4951269 Echo canceller with short processing delay and decreased multiplication number Aug. 21, 1990
4942560 Sonar projector array drive signal source Jul. 17, 1990
4926380 Ultrasonic imaging apparatus May. 15, 1990
4918672 Ultrasonic distance sensor Apr. 17, 1990
4914951 Apparatus for remote distance measurement Apr. 10, 1990
4852407 Method and apparatus for determining length of pipe utilizing sound waves Aug. 1, 1989
4850226 Interface circuit for use in an echo ranging system Jul. 25, 1989
4817066 Transmitter/receiver for ultrasonic diagnostic system Mar. 28, 1989
4701893 Ultrasonic ranging system Oct. 20, 1987
4689612 System for monitoring containers with ultrasonic seals using autonomous terminals Aug. 25, 1987

1 2










 
 
  Recently Added Patents
Methods and apparatus for map detection with reduced complexity
Visibility radio cap and network
Identification wristband
Bio-stimulant for improved plant growth and development
Wind driven generator for vehicles
Adaptive analog echo/next cancellation
Avoiding conflict in update in distributed environment employing multiple clients
  Randomly Featured Patents
Digital radio feedback systems
Fuel injection amount control system for internal combustion engines and intake passage wall temperature-estimating device used therein
Medical image diagnosis apparatus having a plurality of monitors
Pattern area value calculating method, proximity effect correcting method, and charged particle beam writing method and apparatus
Optical path feasibility in an optical communication network
Zero-heat-flux, deep tissue temperature measurement devices with thermal sensor calibration
Microwave generator
Prediction method of traffic parameters
Planetary transmission with launch clutch
Truck cab