Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 181/139
Name: Acoustics > Wave generation and detection
Description: Subject matter for producing and receiving sonic compressional waves.










Patents under this class:

Patent Number Title Of Patent Date Issued
8651230 High capacity ultrasonic reactor system Feb. 18, 2014
8641197 Acoustical receiver and pen transcription system adapted for rejecting virtual pen images Feb. 4, 2014
8526654 Acoustic wave generation device and equipment including a plurality of such devices Sep. 3, 2013
8101929 Diffraction free, self-bending airy wave arrangement Jan. 24, 2012
7841444 Seismic vibrator baseplate Nov. 30, 2010
7530424 Sonic boom simulator May. 12, 2009
7525440 Person monitoring Apr. 28, 2009
7207222 Electromagnetic piezoelectric acoustic sensor Apr. 24, 2007
6915875 Acoustic isolator for downhole applications Jul. 12, 2005
6883638 Accelerometer transducer used for seismic recording Apr. 26, 2005
6791470 Reducing injection loss in drill strings Sep. 14, 2004
6349791 Submarine bow dome acoustic sensor assembly Feb. 26, 2002
6341661 Bow dome sonar Jan. 29, 2002
6065562 System for imparting compressional and shear waves into the earth May. 23, 2000
5696489 Wireless boundary monitor system and method Dec. 9, 1997
5660909 Sheet for measuring ultrasonic waves Aug. 26, 1997
5355312 Inverse tomography by matched field processing Oct. 11, 1994
H1280 Linearization of the matched field processing approach to inverse tomography Jan. 4, 1994
4939703 Transducer baffle and sensor using same Jul. 3, 1990
4796726 Ultrasonic rangefinder Jan. 10, 1989
4739860 Ultrasonic rangefinder Apr. 26, 1988
4651740 Implant and control apparatus and method employing at least one tuning fork Mar. 24, 1987
4450436 Acoustic alarm repeater system May. 22, 1984
4300217 Acoustic transducer housing Nov. 10, 1981
4196789 Protection by underwater sound waves Apr. 8, 1980
4186373 System for measuring in situ acoustic energy properties of ocean floor soils Jan. 29, 1980
4158781 Transmit receive solid state switch for electroacoustic transducers Jun. 19, 1979
4042910 Method of seismic exploration Aug. 16, 1977
4037222 Supervision of transducers Jul. 19, 1977
3973250 Acoustically coupled burglar alarm system Aug. 3, 1976











 
 
  Recently Added Patents
Receiving security risk feedback from linked contacts due to a user's system actions and behaviors
Servomotor control circuit
Sensing device and electronic apparatus
Method and structure for forming ETSOI capacitors, diodes, resistors and back gate contacts
Wafer level packaging
(4927
Switched capacitor hold-up scheme for constant boost output voltage
  Randomly Featured Patents
Programmable PCM/TDM demultiplexer
Solar heat absorber
Solid developing composition for silver halide photographic light-sensitive material and processing method using the same
Method for performing joins between different record types in a database system
Preparation of 2,3-dihydrofuran
Coloring composition, ink for ink jet, and ink jet recording method
Electro-optical light control element, electro-optical display and control medium
Methods and apparatus for characterizing polynucleotides
Bi-propellant blade valve assembly
Frozen fudge drink