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:
Jul. 01, 1997
Filed:
Jul. 13, 1995
Applicant:
Inventors:
Yuji Katsurahira, Saitama-ken, JP;
Yasuhiro Fukuzaki, Saitama-ken, JP;
Assignee:
WACOM Co., Ltd., Saitama-ken, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08C / ; G09G / ;
U.S. Cl.
CPC ...
178 18 ; 178 19 ; 345174 ; 345176 ; 345178 ;
Abstract
A position indicator having an oscillation circuit consisting of a first coil for detecting coordinates and a condenser, wherein a control coil and the first coil are placed side by side in such a manner that an induced current running through the first coil surrounds a part of a magnetic flux generated at the first coil and the control coil is controlled to be opened/closed and a distribution of a magnetic flux passing the first coil is varied, which enables an angle of rotation and angle of inclination for the position indicator to be detected.