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:
Oct. 11, 1994
Filed:
Jul. 28, 1992
Haruo Ogawa, Kadoma, JP;
Haruhiro Kuboyama, Kadoma, JP;
Hirofumi Konishi, Kadoma, JP;
Toshiaki Inage, Kadoma, JP;
Shinji Morino, Kadoma, JP;
Yoshiaki Ueno, Kadoma, JP;
Haruhiko Hyosu, Kadoma, JP;
Yoshihiro Shogaki, Kadoma, JP;
Matsushita Electric Works, Ltd., Osaka, JP;
Abstract
A wireless transmission system includes a plurality of terminal units, a specific one of which is provided with a transmission/receiving circuit that transmits a reference signal of a local oscillation frequency, while all others of which are provided respectively with a transmission/receiving circuit that prepares, on the basis of the reference signal received, a local oscillation frequency signal for frequency conversion of transmitting/receiving frequency signal and intermediate frequency signal, to thereby realize the system at lower costs even when a high local oscillation frequency is employed.