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Class Information
Number: 333/133
Name: Wave transmission lines and networks > Plural channel systems > Having branched circuits > For providing frequency separation > Utilizing electromechanical transducer
Description: Subject matter wherein an electrical wave driven mechanical vibrator determines the frequency characteristic of the branched circuit.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8704612 Antenna sharing device Apr. 22, 2014
8692630 Guided acoustic wave resonant device and method for producing the device Apr. 8, 2014
8680944 Single-chip duplexer with isolation shield between transmit and receive filters Mar. 25, 2014
8680947 Passive multi-band duplexer Mar. 25, 2014
8659368 Surface acoustic wave filter device Feb. 25, 2014
8648671 Bulk acoustic wave resonator structure, a manufacturing method thereof, and a duplexer using the same Feb. 11, 2014
8648670 Filter, duplexer and communication module Feb. 11, 2014
8618992 Antenna duplexer and communication device using the same Dec. 31, 2013
8587389 Electronic device Nov. 19, 2013
8581674 Filter and communications apparatus Nov. 12, 2013
8576024 Electro-acoustic filter Nov. 5, 2013
8576025 Acoustic wave device, and filter and duplexer using the same Nov. 5, 2013
8558641 High-frequency module Oct. 15, 2013
8552820 Filter, duplexer and communication module Oct. 8, 2013
8552819 High coupling, low loss saw filter and associated method Oct. 8, 2013
8536957 High-frequency circuit module having a duplexer disposed between specified module integrated circuits Sep. 17, 2013
8536958 Elastic wave duplexer having a sealing member including two dielectric materials Sep. 17, 2013
8531252 Antenna duplexer and communication apparatus employing the same Sep. 10, 2013
8525615 Elastic wave duplexer having a sealing member that includes a recess Sep. 3, 2013
8525620 BAW resonator filter bandwidth and out-of-band frequency rejection Sep. 3, 2013
8508315 Acoustically coupled resonator filter with impedance transformation ratio controlled by resonant frequency difference between two coupled resonators Aug. 13, 2013
8502621 Ladder filter and duplexer Aug. 6, 2013
8487715 Nano electromechanical integrated-circuit bank and switch Jul. 16, 2013
8482363 Surface acoustic wave filter device, duplexer including the same, and electronic apparatus including the same Jul. 9, 2013
8456254 Acoustic wave filter device Jun. 4, 2013
8436778 Antenna duplexer and communication device using the same May. 7, 2013
8436697 Surface acoustic wave filter device May. 7, 2013
8436696 Surface acoustic wave device and communication device May. 7, 2013
8435798 Applications and methods of operating a three-dimensional nano-electro-mechanical resonator and related devices May. 7, 2013
8427258 Surface acoustic wave device and communication device Apr. 23, 2013
8421554 Filtering device for filtering RF signals and method for filtering RF signals Apr. 16, 2013
8421555 Receiving side filter of duplexer and duplexer Apr. 16, 2013
8416036 Branching filter Apr. 9, 2013
8410865 Surface acoustic wave filter and duplexer using the same Apr. 2, 2013
8405472 Elastic wave filter device Mar. 26, 2013
8390397 Bulk acoustic resonator structure comprising hybrid electrodes Mar. 5, 2013
8384495 Acoustic wave duplexer Feb. 26, 2013
8378286 Acoustic enhancement for photo detecting devices Feb. 19, 2013
8378760 Duplexer, communication module, and communication device Feb. 19, 2013
8368486 Duplexer Feb. 5, 2013
8362852 Branching filter Jan. 29, 2013
8354895 Duplexer including first and second additional grating reflectors Jan. 15, 2013
8350643 High frequency device, filter, duplexer, communication module, and communication apparatus Jan. 8, 2013
8344825 Acoustic wave device Jan. 1, 2013
8339217 Low band side filter of duplexer, high band side filter of duplexer, and duplexer Dec. 25, 2012
8339216 Duplexer and method for separating a transmit signal and a receive signal Dec. 25, 2012
8335478 Communication device Dec. 18, 2012
8330553 Duplexer Dec. 11, 2012
8330558 Filter and antenna duplexer Dec. 11, 2012
8319582 Elastic wave apparatus and duplexer Nov. 27, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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