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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.:

US 5736979 B1

PDFFull Text
Date of Patent:
Apr. 07, 1998

Filed:

Dec. 13, 1994

Coordinate input apparatus

Applicant:
Inventors:

Katsuyuki Kobayashi, Yokohama, JP;

Atsushi Tanaka, Kawasaki, JP;

Yuichiro Yoshimura, Kamakura, JP;

Kiyoshi Kaneko, Yokohama, JP;

Masaki Tokioka, Yokohama, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Richard Hjerpe

Assistant Examiner:

Amare Mengistu

Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345177 ; 345179 ; 178 18 ; 178 19 ;
Abstract

Disclosed is a coordinate input apparatus including a vibrating input pen 3, a piezoelectric element 4 in the pen 3, a vibration transfer plate 8 and vibration sensors 6 provided around the vibration transfer plate 8. The vibrator 4 is driven by a vibrator driving circuit 2 to generate a vibration, which is transmitted to vibration transfer plate 8. The apparatus is capable of calculating coordinate thereon accurately with phase information of detected signal waveform.

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Kobayashi, Katsuyuki. (1998). Coordinate input apparatus (U.S. Patent No. 5736979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5736979

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