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:
Mar. 05, 2002
Filed:
Nov. 05, 1999
Kazuhiro Izukawa, Misato, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus to which an accessory is connected includes a plurality of connection terminals at which the accessory is connected. With the accessory connected to the apparatus, the apparatus first detects states of the plurality of connection terminals by setting at least one connection terminal of the plurality of connection terminals for signal outputting, and then detects states of the plurality of connection terminals by setting at least one connection terminal of the plurality of connection terminals for signal outputting, the connection terminal set for signal outputting for the second time being different from the connection terminal set for signal outputting for the first time. Then, the apparatus determines a kind of the accessory mounted to the apparatus, on the basis of results of detection obtained for the first time and for the second time.