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:
Jan. 15, 2019
Filed:
Dec. 14, 2016
Seiko Yamamoto, Tokyo, JP;
Katsuyuki Omura, Tokyo, JP;
Noritada Ohi, Saitama, JP;
Yoshiaki Oshima, Kanagawa, JP;
Masafumi Nagao, Kanagawa, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Masanobu Yamagata, Kanagawa, JP;
Seiko Yamamoto, Tokyo, JP;
Katsuyuki Omura, Tokyo, JP;
Noritada Ohi, Saitama, JP;
Yoshiaki Oshima, Kanagawa, JP;
Masafumi Nagao, Kanagawa, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Masanobu Yamagata, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A coordinate detecting apparatus includes: a plurality of light-emitting and -receiving units arranged along an outer edge of the coordinate input area, the plurality of light-emitting and -receiving units each including a light-emitting part and a light-receiving part; at least one retroreflective member arranged along the outer edge of the coordinate input area; and a control unit to control the plurality of light-emitting and -receiving units to detect coordinates of a position of input made with a designation input unit in a first detection state or a second detection state.