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Class Information
Number: 333/154
Name: Wave transmission lines and networks > Coupling networks > Delay lines including elastic surface wave propagation means > Significant transmitting or receiving transducer structure
Description: Subject matter wherein the transducers required for electromechanical wave conversion have structural attributes, relative orientation, spacing, or other structural organization critical with respect to contributing to desired wave delay or wave transmission characteristics.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8669832 Acoustic wave device and acoustic wave filter Mar. 11, 2014
8463185 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques Jun. 11, 2013
8260204 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques Sep. 4, 2012
8099048 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques Jan. 17, 2012
7994878 Acoustic wave device and high-frequency filter using the same Aug. 9, 2011
7880543 Data transmitting circuit and transmitting method Feb. 1, 2011
7755489 Intelligent packaging method and system based on acoustic wave devices Jul. 13, 2010
7747220 Wireless communication system using surface acoustic wave (SAW) second harmonic techniques Jun. 29, 2010
7606294 Channel quality estimation method and receiving apparatus Oct. 20, 2009
7469017 Multimodulation transmitter Dec. 23, 2008
7372897 Portable information communication terminal, program, and recording medium May. 13, 2008
7352800 Method of partial parallel interference cancellation Apr. 1, 2008
7187251 DC isolated phase inverter and a ring hybrid coupler including the DC isolated phase inverter Mar. 6, 2007
7053524 Surface acoustic wave sensor or identification device with biosensing capability May. 30, 2006
6967428 Selectable reflector arrays for SAW sensors and identification devices Nov. 22, 2005
6967545 Saw wave-guides Nov. 22, 2005
6937114 Surface acoustic wave device, electronic component using the device, and composite module Aug. 30, 2005
6856214 Surface wave devices with low passband ripple Feb. 15, 2005
6815867 Substrate usable for an acoustic surface wave device, a method for fabricating the same substrate and an acoustic surface wave device having the same substrate Nov. 9, 2004
6788204 Surface-wave transducer device and identification system with such device Sep. 7, 2004
6727767 Voltage controlled oscillator with two layered mounting structure Apr. 27, 2004
6710683 Surface acoustic wave filter and communications apparatus using the same Mar. 23, 2004
6640636 Ultrasound radiating and receiving device Nov. 4, 2003
6407650 Surface acoustic wave shaping system Jun. 18, 2002
6391675 Method and apparatus for switching high frequency signals May. 21, 2002
6320479 Magnetostrictive surface acoustic wave devices having optimized transducers Nov. 20, 2001
6275123 Surface acoustic wave matched filter with dispersive substrate and saw group velocity based output electrode design Aug. 14, 2001
6229409 Surface acoustic wave matched filter May. 8, 2001
6075898 Reflective array compressor Jun. 13, 2000
6072377 Surface acoustic wave device with multiple connecting routes for connecting fingers to bus bars Jun. 6, 2000
6011344 Surface acoustic wave transducer driven in differential mode Jan. 4, 2000
5925967 Ultrasonic switching device Jul. 20, 1999
5905449 Radio switching apparatus May. 18, 1999
5872520 Identification and/or sensor system Feb. 16, 1999
5841214 Identification mark operating with acoustic surface waves Nov. 24, 1998
5793146 Surface acoustic wave transducer having selected reflectivity Aug. 11, 1998
5703427 Surface-wave distributed acoustic reflection transducer and filter including such a transducer Dec. 30, 1997
5691698 Identification and/or sensor system Nov. 25, 1997
5644598 Switching arrangement for coupling a transmitting unit to a transmission line Jul. 1, 1997
5550793 Unidirectional wave transducer Aug. 27, 1996
RE35204 Acoustic wave devices employing surface skimming bulk waves Apr. 9, 1996
5485051 Surface acoustic wave device Jan. 16, 1996
5350961 Acoustic wave devices for controlling high frequency signals Sep. 27, 1994
5349260 Two track surface wave arrangement with improved selection property Sep. 20, 1994
5319326 Surface-wave-type reflective delay line Jun. 7, 1994
5306978 Surface acoustic wave unidirectional transducer having floating electrodes Apr. 26, 1994
5294859 Surface acoustic wave filter device Mar. 15, 1994
5264751 Unilateral surface wave transducer Nov. 23, 1993
5260913 Surface wave device Nov. 9, 1993
5243556 Acoustic charge transport memory device Sep. 7, 1993

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