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. 14, 2000
Filed:
Feb. 04, 1999
Kunio Tabata, Suwa, JP;
Minoru Kozaki, Suwa, JP;
Issei Yamakoshi, Suwa, JP;
Kunihiko Takagi, Suwa, JP;
Yoshikazu Koike, Suwa, JP;
Takeo Sato, Yokohama, JP;
Nobuki Sasaki, Yokohama, JP;
Atsushi Mizukoshi, Yokohama, JP;
Seiko Epson Corporation, Tokyo, JP;
Tokyo R & D Co., Ltd., Tokyo, JP;
Abstract
An electric motor vehicle comprises as a drive system a battery, a motor, and a controller for controlling the rotation of the motor. The electric motor vehicle disposes an accelerator for controlling speed of the motor, a key switch for turning on or off the motor and the controller, a circuit for judging an opening/closing state of the accelerator when the key switch is turned on, and a circuit for preventing the rotation of the motor when the key switch is turned on with the accelerator open.