Industrial Technology Research Institute

National Yang Ming Chiao Tung University

Cheng Yu Yeh

Tun-Fun Way

Lien-Tai Chen

Shaw Hwa Hwang

Chi Jung Huang

Li Te Shen

Ning Yun Ku

Yao Hsing Chung

Bing Chih Yao

Yu-Ting Chen

Wu-Bin Yuo

Yu-Shan Chao

Chien-Shiun Liao

Jiun-Jy Chen

Wen-Jeng Lin

Chia-Hung Chen

Hsueh Ming Hang

Hsiang-In Tang

Kuan Lin Chen

Li-Kuel Lin

Tzu Hung Lin

Sin Horng Chen

Yuan Fu Liao

Ming Che Yeh

Yih Ru Wang

You Shuo Chen

Yen Chun Huang

Shun Chieh Chang

The present invention provides a caption service system for remote speech recognition, which provides caption service for the hearing impaired. This system includes a speaker and a live broadcast equipment at A, a listener-typist and a computer at B, a hearing impaired and a live screen at C, and an automatic speech recognition (ASR) caption server at D. Connect the live broadcast equipment, the computer, the live screen and the ASR caption server with a network. The speaker's audio is sent to the automatic speech recognition (ASR) caption server to be converted into text, which is corrected by the listener-typist, and then the text caption is sent to the live screen of the hearing impaired together with the speaker's video and audio, so that the hearing impaired can see the text caption spoken by the speaker.

Caption service system for remote speech recognition

The present invention provides a method for NAT traversal in VPN so that the VPN can detect the rule of port allocation for NAT outside the VPN to achieve NAT traversal. The communication structure according to the present invention includes a public network, a client network, a destination network, a first NAT, a second NAT. A DNAT-T proxy server is installed between the first NAT and the second NAT and has the function for the VPN to conduct a plurality of (N times) registrations before sending data out to detect the rule for NAT port allocation of the DNAT-T proxy server, and then inform the next NAT port allocation to the other side of the VPN so as to achieve NAT traversal for the data packets in VPN.

Method for NAT traversal in VPN

A copolymer, and a method for preparing a monomer used to form the copolymer are provided. The copolymer is a reaction product of a first monomer and a second monomer. In particular, the first monomer has a structure represented by Formula (I), and the second monomer has a structure represented by Formula (II), Formula (III), or Formula (IV)  n is a positive integer from 2 to 10; and, l is a positive integer from 1 to 5.

Copolymer, and method for preparing a monomer used to form the copolymer

A method for preparing a nylon 6 copolymer containing dimeric acid comonomers. The method includes reacting 80.0&tilde;99.9 mol % of caprolactam, 0.1&tilde;3.0 mol % of dimeric acid and 0.1&tilde;3.0 mol % of 2-methyl-1,5-pentadiamine in a polymerization reaction. Moreover, the invention provides a method for preparing a nylon 66 copolymer containing dimeric acid comonomers, which comprising reacting 60.0&tilde;90 mol % of hexadiacid and hexadiamine, 0.1&tilde;3.0 mol % of dimeric acid and 0.1-3.0 mol % of 2-methyl-1,5-pentadiamine in a polymerization reaction. The reaction temperature for both of the methods are at 200&tilde;280&deg; C.

Nylon copolymers containing dimeric acid comonomers

A method for preparing nylon 6 copolymer containing 5-sulfoisophthalate salts comonomer. The method includes the steps of reacting 5-sulfoisophthalate salts ester with aliphatic diamine in a molar ratio of 2&tilde;20 at 160&tilde;200&deg; C., followed by completely removing the unreacted aliphatic diamine, to obtain the intermediate compound with terminal amine, 5-sulfobenzenediamide compound (formula III). Next, caprolactam and aliphatic diacid (formula IV) are reacted at 200&tilde;260&deg; C. to form an oligomer with a low molecular weight. 5-Sulfobenzenediamide (formula III) and catalyst are then added into the oligomer obtained in previous step to cause a polymerization reaction at 200&tilde;280&deg; C. to obtain nylon 6 copolymer containing 5-sulfoisophthalate salt comonomer. The molar ratio of E/C is 0.005&tilde;0.150 and the molar ratio of D/E is 1.05-1.00. Compounds present in the water extract are greatly reduced.

Method for preparing nylon 6 copolymer containing sulfonate comonomers

A catalyst composition for use in the preparation of poly(butylene terephthalate) from dimethyl terephthalate, comprising: (a) a titanium compound primary catalyst, from about 0.0005 PHR to about 5 PHR; (b) a first co-catalyst containing at least one of Zn, Co, Mn, Mg, Ca, or Pb series compounds, between about 0.0001 PHR and 5 PHR; and (c) a second co-catalyst containing an alkali metal phosphate, an alkali metal phosphite, an alkali hypophosphite, or an alkali metal polyphosphate between about 0.0001 PHR and 5 PHR; wherein PHR represents parts of the primary catalyst or the co-catalyst per one hundred parts, by weight, of dimethyl terephthalate. Preferred titanium compounds include tetrabutyl titanate or tetra(isopropyl)titanate. Preferred metal compounds for use as first co-catalyst are metal acetates. The alkali metal phosphate can be a phosphate salt containing one, two, or three metal groups; and the alkali metal phosphite can be a phosphite salt containing one or two metal groups. The alkali metal hypophosphite can be a hypophosphite salt containing any number of alkali metal groups. The alkali metal polyphosphate can be a polyphosphate salt containing one, two, three, four, or five alkali metal groups. With this catalyst composition, the rate of polycondensation was increased by 40 percent or more. The catalyst composition is also effective in the preparation of poly(butylene terephthalate) from terephthalic acid.

Catalytic compositions containing tetrabutyl titanate and a mixture of

Growing community of inventors

Hsinchu, Taiwan

Cheng Yu Yeh