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:
Jun. 24, 2003
Filed:
Apr. 06, 1999
Applicant:
Inventor:
Kenji Nakamura, Takatsuki, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/000 ;
U.S. Cl.
CPC ...
H04B 1/000 ;
Abstract
A device for transmitting and receiving data by optical communications with an external device, provided with a plurality of data transmission\reception units. Sequentially, during data transmission\reception, whether or not a transmission signal has been transmitted from an external device is detected, and it a transmission signal is detected the transmission\reception unit receiving said signal is used for data transmission\reception via optical communications with an external device.