Industrial Technology Research Institute

Tsinghua University

Merry Electronics (Shenzhen) Co., Ltd.

Lee Chang Yung Chemical Industry Corporation

Hung-Yu Chen

Kuo-Chen Shih

Mao-Lin Hsueh

Yi-Zhen Chen

Sheng Hsiung Chen

Sheng-Shian Li

Hung-Chi Lin

Mao-Hung Lin

Ming-Sian Bai

Tsai-Tien Su

Ming-Huang Li

Hao-Jun Zhang

Po-I Shih

A capacitive ultrasonic transducer device includes a substrate, a first capacitive structure, a second capacitive structure, a first film structure and a second film structure. The first capacitive structure is disposed on the substrate, and includes a first electrode and a second electrode. A first gap and a dielectric layer are located between the first electrode and the second electrode. The second capacitive structure is disposed on the substrate, and includes a third electrode and a fourth electrode. A second gap is located between the third electrode and the fourth electrode. The first film structure is configured to seal the first gap. The second film structure is connected to the third electrode and the fourth electrode, and configured to seal the second gap. A first width between the first electrode and the second electrode is different from a second width of the second gap.

Capacitive ultrasonic transducer device, manufacturing method thereof and transducer array

The application provides an information dissemination system including a first electronic device and a router. The first electronic device receives a first sound signal and recognizes the first sound signal according to a speech recognition algorithm to generate a first address information and a first coded information content. The router is connected to a local area network to receive the first encoded information content and semantically parse the first encoded information content to produce a parsed result. The router sends the parsed result over local area network. The router determines whether the first address indicated by the first address information is in the local area network according to the first address information, so as to send the parsed result to at least a second electronic device corresponding to the first address.

Information dissemination system and method thereof

An active duct noise control system and a method thereof are provided, including a duct, a noise source speaker, a microphone, a plurality of noise-cancelling speakers, and a plurality of controllers. Wherein, the noise source speaker generates the primary noise, and the microphone is disposed to receive the residual noise. The plurality of noise-cancelling speakers are disposed between the noise source speaker and the microphone and respectively generate noise-cancelling audio frequencies to offset the primary noise and reduce the residual noise. The plurality of controllers are respectively connected to the plurality of noise-cancelling speakers and the noise source speaker and calculate each of the noise-cancelling audio frequencies generated by each of the plurality of noise-cancelling speakers according to the multi-channel inverse filtering principle.

Active duct noise control system and method thereof

A hydrogenation catalyst system is provided. The catalyst system includes a metal complex of Formula (I), an organic lithium compound and an organic compound having a cyclic structure including at least one double bond.  In Formula (I), M is transition metals. R, R, R, Rand Rare the same or different, including hydrogen, C1-8 alkyl, and C1-8 alkoxy, or two of R, R, R, Rand Rare linked together to form a ring. X, Xand Xare a cyclic group, hydrogen, chlorine, bromine, alkyl or alkoxy, wherein when one of X, Xand Xis a cyclic group, and the others are the same or different, including hydrogen, chlorine, bromine, alkyl or alkoxy. The invention also provides a selective hydrogenation process utilizing the catalyst system.

Catalyst systems and selective hydrogenation processes

A metal catalyst for hydrogenating unsaturated carbon-carbon bonds of copolymer is provided. The metal catalyst is a bimetallic complex comprising iridium and ruthenium. The metal catalyst has a formula comprising MMX(L), wherein the Mis iridium, Mis ruthenium; X is hydrogen, chlorine, bromine, iodine or pseudo halide; Lis phosphine, bisphosphine, arsane or organic with nitrogen, sulfur and oxygen.

Metal catalyst and hydrogenation method employing the same

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Tainan, Taiwan

Hung-Yu Chen