Featured patents

Balun Comprising Two Conversion Circuits Each Constituted by First to Third FBARs
US 08854157 B2, Oct. 7, 2014, Plural coupled vibrators, In Sang Song et al. / Samsung Electronics Co., Ltd. (Suwon-si, KR)
A balun, comprising: two…

Radio Frequency Filter Stabilization
US 08810339 B2, Aug. 19, 2014, Coaxial, Yunchi Zhang et al. / Alcatel Lucent (Boulogne-Billancourt, FR)
A radio frequency (RF) filter assembly, comprising:…

Ferrite Phase Shifter and Automatic Matching Apparatus
US 08779873 B2, July 15, 2014, Including ferrite means, Kibatsu Shinohara et al. / Nihon Koshuha Co., Ltd. (Yokohama-Shi, JP)
A ferrite phase shifter comprising:…

Low Phase Variation CMOS Digital Attenuator
US 08779870 B2, July 15, 2014, Attenuators, Wayne H. Woods, Jr. et al. / International Business Machines Corporation (Armonk, US)
An attenuator circuit comprising:…

Duplexer and Electronic Device Having the Same
US 08766744 B2, July 1, 2014, Utilizing long line element, Tokihiro Nishihara et al. / Taiyo Yuden Co., Ltd. (Tokyo, JP)
A duplexer comprising:…

Elastic Wave Device Having an Insulating Film With Wiring Thereon Not Arranged Over the IDT Electrodes
US 08723624 B2, May 13, 2014, Using surface acoustic waves, Motoji Tsuda et al. / Murata Manufacturing Co., Ltd. (Kyoto, JP)
An elastic wave device comprising:…

High Frequency Attenuator and High Frequency Device Using the Same
US 08604892 B2, Dec. 10, 2013, Coaxial or microstrip, Yoshiyuki Ikuma / Kabushiki Kaisha Toshiba (Tokyo, JP)
A high frequency attenuator, comprising:…

Miniaturized Wide-Band Baluns for RF Applications
US 08564382 B2, Oct. 22, 2013, Balanced to unbalanced circuits, Robert Charles Frye et al. / STATS ChipPAC, Ltd. (Singapore, SG)
A wide-band balun device, comprising:…

Millimeter Wave Multi-Layer Packaging Including an RFIC Cavity and a Radiating Cavity Therein
US 08536954 B2, Sept. 17, 2013, Having long line elements, Yigal Leiba et al. / Siklu Communication Ltd. (Petach-Tikva, IL)
Millimeter wave radio-frequency integrated circuit device, comprising…

OMT Type Broadband Multiband Transmission-Reception Coupler-Separator for RF Frequency Telecommunications Antennas
US 08508312 B2, Aug. 13, 2013, For providing frequency separation, Philippe Lepeltier et al. / Thales (Neuilly sur Seine, FR)
A multiband transmit-receive coupler-separator with very wide band…

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