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Yit Chow Tong, Joseph Sylvester Chang: Universal self-attaching inductive coupling unit for connecting hearing instrument to peripheral electronic devices. Multitech Products, Lawrence V D Ho, David D Chung, Jacqueline C T Lui, December 5, 2000: US06157728 (36 worldwide citation)

An inductive coupling unit which can be easily attached to any hearing instrument with an internal receiving coil to connect the instrument to peripheral electronic devices. The coupling unit includes a head including a head cover, a bobbin disposed inside the head cover, a transmitting coil which i ...


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Yue Ping Zhang, Joseph Sylvester Chang: Integrating an antenna and a filter in the housing of a device package. Osha • Liang, April 14, 2009: US07518553 (16 worldwide citation)

A device package for radio frequency transceivers that comprises radio electronics, a filter and an antenna. The filter and antenna are realized using one or more metallization layers in the housing of the device package. The filter and antenna in the housing of the device package allows the realiza ...


3
Brian M Conley, Jonathan J Barry, Roger D Greeley, Chad M Greenlaw, Lorenzo C Vaccarella, Joseph Sylvester: Electrosurgical devices and methods of use thereof. Medtronic Advanced Energy, Jeffrey J Hohenshell, December 30, 2014: US08920417 (6 worldwide citation)

In some embodiments, an electrosurgical device includes a shaft, a first U-shaped electrode at a distal end of the shaft, and a second blade shaped electrode at the distal end of the shaft. The second electrode includes a spherical distal end. And the second electrode is substantially coplanar with ...


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Joseph Sylvester Chang, Bah Hwee Gwee, Kwen Siong Chong: Digital cell. Nanyang Technological University, Foley & Lardner, March 31, 2015: US08994406 (2 worldwide citation)

A digital cell for performing a logic operation on a logic input to produce a logic output, includes an evaluation block and a sense-amplifier block, both configured to receive input signals representative of the logic input, and to detect when the logic input and/or input signals validly encode at ...


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Ferguson Joseph Sylvester: Liquid actuated apparatus. Ferguson Joseph Sylvester, November 14, 1990: GB2231368-A (2 worldwide citation)

The apparatus comprising a liquid immersible and floatable body 14 having means (the contents, which may be solid or liquid) contributing primarily to weight and associated means (the wall structure) contributing to buoyancy when the body 14 is at least partially immersed in liquid (in chambers 12A, ...


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Lee Chai Lung, Chang Joseph Sylvester: An acoustical measuring/estimation device. Advanced Electroacoustics Private, Lee Chai Lung, Chang Joseph Sylvester, Liang T Chyau, December 23, 2009: WO/2009/155255 (2 worldwide citation)

A device to measure or estimate an output of a loudspeaker of an audio device and/or to measure ambient sounds. The output of the loudspeaker may be measured by a microphone placed in proximity to the loudspeaker; or estimated by measuring the output of the audio amplifier (in the electronic audio d ...


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Joseph Sylvester Chang, Bah Hwee Gwee, Kwen Siong Chong: Asynchronous-logic circuit for full dynamic voltage control. Nanyang Technological University, July 29, 2014: US08791717 (1 worldwide citation)

Pre-Charge Static Logic (PCSL), is an asynchronous-logic Quasi-Delay-Insensitive architecture based on Static-Logic, featuring fully-range Dynamic Voltage Scaling including robust operation in the sub-threshold voltage regime, with simultaneous low hardware overheads, high-speed and yet low power di ...


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Joseph Sylvester Chang, Chai Lung Lee: Acoustical measuring/estimation device. Advanced Electroacoustics Private, Osha Liang, May 27, 2014: US08737630 (1 worldwide citation)

A device to measure or to estimate the acoustical output of the loudspeaker of a earphone, earplug, headphone or ear muff, and to measure the ambient environmental sounds where appropriate. The loudspeaker is connected to an electronic audio device. The acoustical output of the loudspeaker may be me ...


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CHANG Joseph Sylvester, LEE Chai Lung, GE Tong: APPAREIL DE COMMUNICATION, A COMMUNICATIONS APPARATUS. ADVANCED ELECTROACOUSTICS PRIVATE, CHANG Joseph Sylvester, LEE Chai Lung, GE Tong, LIANG Chyau T, September 27, 2012: WO/2012/129193 (1 worldwide citation)

A versatile communications (comms) apparatus to provide a means to measure the audio (earphone) output of an electronic device (e.g. a music player in a smartphone), and/or to provide a means for wireless communications between a first electronic device (e.g. a smartphone) and a second electronic de ...