1
Tetsuya Naruse, Katsuya Hori, Koji Hasegawa, Koichiro Teranishi: GPS receiver and portable communication apparatus. Sony Corporation, Jay H Maioli, October 15, 2002: US06466163 (68 worldwide citation)

A GPS receiver and a portable communication apparatus with the timing of demodulation of a GPS received signal received from a satellite in the global positioning system being controlled in accordance with the timing of transmission of a CDMA transmission signal to a base station in a predetermined ...


2
Alan Wong, Katsuya Hori, Tadao Yoshida: Tracking jump compensator for optical disc reproducing apparatus. Sony Corporation, Lewis H Eslinger, Jay H Maioli, September 15, 1992: US05148417 (51 worldwide citation)

The present invention is concerned with an optical disk reproducing apparatus for reproducing digital data from an optical disk, such as an audio compact disk and, above all, with such apparatus in which a continuous playback output may be produced even when track jump should occur due to vibrations ...


3
Tsuneo Furuya, Katsuya Hori: Method and apparatus for error correction. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, September 10, 1985: US04541093 (33 worldwide citation)

A method of error correction comprises error correction coding processing and interleaving and de-interleaving processings for digital subcoding data (as opposed to main data) in subchannels (as opposed to the main channel) to be transmitted. Apparatus is provided comprising means for performing tho ...


4
Katsuya Hori, Tadao Yoshida, Wataru Yamatani, Eiichiro Morinaga: Spread spectrum signal receiving apparatus. Sony Corporation, Philip M Shaw Jr, June 22, 1993: US05222099 (29 worldwide citation)

A spread spectrum signal receiving apparatus comprising: a radio frequency processing circuit for converting a spread spectrum signal into an intermediate frequency signal; a binary encoder for encoding the intermediate frequency signal; a pseudo-random noise code generator; a code driver for contro ...


5
Tsuneo Furuya, Shunsuke Furukawa, Katsuya Hori: Disc playback apparatus for playback of music and digital data. Sony Corporation, Hill Van Santen Steadman & Simpson, December 11, 1990: US04977550 (27 worldwide citation)

Apparatus for playback from a disc on which main digital data and subsidiary digital data for selectively reproducing of the main digital data have been recorded in multiplex fashion incorporates a write clock generator for generating a write clock synchronized with a reproduced signal from the disc ...


6
Katsuya Hori, Masahiro Fujita: Digital circuit for correcting phase shift of digital signal. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, August 25, 1987: US04689626 (26 worldwide citation)

A GPS receiver comprises a phase-error derivation circuit which derives the average phase error over a predetermined period. The phase-error derivation circuit sends an average phase difference signal to a numerically controlled oscillator to control its clock rate. Deriving the average phase error ...


7
Tadao Yoshida, Katsuya Hori: Recording medium, recording/playback device which uses commands in character string form for audio system control. Sony Corporation, Hill Steadman & Simpson, November 18, 1997: US05689704 (13 worldwide citation)

To make possible interactive control operations in a device such as a minidisc system which uses a recording medium on which character information can be recorded. There is provided a recording medium on which sound information and management information for managing recording and playback operation ...


8
Katsuya Hori, Tsuneo Furuya: Circuit for operating finite fields. Sony Corporation, Hill Van Santen Steadman & Simpson, January 24, 1989: US04800515 (11 worldwide citation)

A circuit for operating finite fields performs multiplication or division using an accumulator for storing an arbitrary element and an adder for performing modulo 2 addition, using the contents of the accumulator and a vector representation of the primitive polynomial; or first and second tables for ...


9
Katsuya Hori, Eiichiro Morinaga: Navigation message receiver for global positioning system. Sony Corporation, Lise A Rode, Jerry A Miller, October 17, 1995: US05459763 (10 worldwide citation)

Signals representing navigation messages from four GPS artificial satellites are received by a GPS receiver and supplied to receiving processors of respective channels, which spectrally reverse-spread and demodulate the signals by way of PSK to produce the navigation messages. The navigation message ...


10
Koichiro Teranishi, Katsuyuki Tanaka, Katsuya Hori: GPS receiver apparatus and receiving method. Sony Corporation, Frommer Lawrence & Haug, William S Frommer, June 14, 2005: US06907346 (9 worldwide citation)

A GPS receiver can periodically obtain range data without degrading the performance such as positioning sensitivity and positioning speed and conserve energy consumption. Supplied with IF data from a frequency conversion section 4, a synchronization hold section (6) acquires synchronization of a car ...