The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 30, 2006
Filed:
Jan. 13, 2005
Reiji Kato, Kanagawa, JP;
Takayasu Muto, Kanagawa, JP;
Reiji Kato, Kanagawa, JP;
Takayasu Muto, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A communication device able to realize a positioning computation at the high speed and able to reduce electric power consumption, wherein a host CPU obtains the error value of the reference frequency of a crystal oscillator from a GPS receiver, stores that in a storage unit, transmits this value to the GPS receiver as the next positioning computation to correct the reference frequency, and makes to search a GPS satellite, therefore the electric power need not to be supplied to the GPS receiver and the crystal oscillator, and the position- finding result can be obtained at the high speed and with reducing the electric power consumption.