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:
Dec. 27, 1988
Filed:
Aug. 13, 1986
Shigenori Torihata, Isehara, JP;
Hisaakira Imaizumi, Hiratsuka, JP;
Toru Suzuki, Fujisawa, JP;
Tomoo Matsuda, Fujisawa, JP;
Masatake Hirooka, Isehara, JP;
Yokichi Nishi, Hiratsuka, JP;
Mitsuo Hosoi, Fujisawa, JP;
Naoya Tsurumaki, Hiratsuka, JP;
Yukitaka Takitani, Sagamihara, JP;
Kabushiki Kaisha Komatsu Seisakusho, Tokyo, JP;
Abstract
The data input device comprises a tablet portion made of a two-dimensional position-sensitive photodetector and a planar display element laid one on the other, and a light emitting pen forming a light spot on a light-receiving surface of the position-sensitive photodetector. The locus of the movement of the light emitting pen is displayed on the surface of the planar display element at correspond positions in accordance with the output of the two-dimensional position-sensitive photodetector, and the contents of the display provided on the planar displaying element are allowed to be delivered for subsequent processings.