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:
Feb. 17, 2004
Filed:
Jul. 31, 2002
Keiji Handa, Hachioji, JP;
Masanori Yajima, Hachioji, JP;
Keisuke Miura, Hachioji, JP;
Nobuyuki Furukawa, Hachioji, JP;
Shinya Masuda, Hachioji, JP;
Keiji Shioda, Hachioji, JP;
Takeaki Nakamura, Hino, JP;
Olympus Corporation, Tokyo, JP;
Abstract
A light-source device includes a lamp unit having a light-source lamp and a device housing which is provided with a lamp-unit container for containing the lamp unit in a removable manner. The device housing includes a CPU for measuring the illumination time of the light-source lamp and an antenna for sending the illumination time measured by the CPU to the lamp unit. The lamp unit includes an RFID tag which is fixed thereto. The RFID tag is provided with an antenna for receiving the illumination time information sent from the antenna of the housing and a rewritable memory for storing the illumination time information received by the antenna of the tag.