Featured patents

Piezoelectric Resonator With Built-In Capacitor Load and Manufacturing Method Thereof
US 08847465 B2, Sept. 30, 2014, Combined with resonant structure, Bill Teng / Taitien Electronics Co., Ltd (Taipei, TW)
A piezoelectric resonator comprising:…

Linear Vibrator
US 08766494 B2, July 1, 2014, Reed type, Young Il Park / LG Innotek Co., Ltd. (Seoul, KR)
A linear vibrator comprising:…

Polarity Switching Circuit
US 08736142 B2, May 27, 2014, Input circuit for mechanical output from piezoelectric element, Shih-Chang Chen / Microjet Technology Co., Ltd. (Hsinchu, TW)
A polarity switching circuit for converting a DC high voltage into an output AC…

Method of Adjusting the Resonance Frequency of a Micro-Machined Vibrating Element
US 08669687 B2, March 11, 2014, Adding or subtracting mass, Skandar Basrour et al. / STMicroelectronics SA (Montrouge, FR)
A method of adjusting a resonance frequency of a vibrating element, the method…

Piezoelectric Device With a Package Including a Convex Part
US 08643254 B2, Feb. 4, 2014, Sealed unit, Katsuo Ishikawa et al. / Seiko Epson Corporation JP
A piezoelectric device comprising:…

Devices Having a Tunable Acoustic Path Length and Methods for Making Same
US 08531083 B2, Sept. 10, 2013, Piezoelectric slab having different resonant frequencies at different areas, Rajarishi Sinha et al. / Resonance Semiconductor Corporation (Pittsburgh, US)
A device comprising:…

Electric Machine Cooling System and Method
US 08497608 B2, July 30, 2013, Circulation, Bradley D. Chamberlin et al. / Remy Technologies, LLC (Pendelton, US)
An electric machine module comprising:…

Oscillatory Wave Motor
US 08487512 B2, July 16, 2013, Stator, Hajime Kanazawa / Canon Kabushiki Kaisha (Tokyo, JP)
An oscillatory wave motor comprising:…

Long Range Travel MEMS Actuator
US 08497619 B2, July 30, 2013, Electrostatic, Mostafa Medhat et al. / Si-Ware Systems (Cairo, EG)
An electrostatic comb drive actuator for a Micro Electro-Mechanical System (MEMS)…

Piezoceramic Surface Actuator and Method for the Production Thereof
US 08461745 B2, June 11, 2013, With mechanical energy coupling means, Peter Wierach / Deutsches Zentrum für Luft- und Raumfahrt e.V. (Cologne, DE)
A piezoceramic surface actuator comprising:…

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