| Patent Number |
Title Of Patent |
Date Issued |
| 6907346 |
GPS receiver apparatus and receiving method |
June 14, 2005 |
| 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 synchron |
| 6466163 |
GPS receiver and portable communication apparatus |
October 15, 2002 |
| 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 |
| 5689704 |
Recording medium, recording/playback device which uses commands in character string form for aud |
November 18, 1997 |
| 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 pl |
| 5459763 |
Navigation message receiver for global positioning system |
October 17, 1995 |
| 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 na |
| 5222099 |
Spread spectrum signal receiving apparatus |
June 22, 1993 |
| 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 d |
| 5153526 |
Numerical control type oscillator apparatus |
October 6, 1992 |
| A numerical control type oscillator whose output oscillation frequency is controlled depending on input numerical data, comprises: first accumulation means for accumulating a first set value which is set depending on the input numerical data with a first frequency and sequentially ou |
| 5148417 |
Tracking jump compensator for optical disc reproducing apparatus |
September 15, 1992 |
| 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 d |
| 4977550 |
Disc playback apparatus for playback of music and digital data |
December 11, 1990 |
| 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 sign |
| 4800515 |
Circuit for operating finite fields |
January 24, 1989 |
| 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 secon |
| 4689626 |
Digital circuit for correcting phase shift of digital signal |
August 25, 1987 |
| 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 aver |
