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:
Nov. 20, 2001
Filed:
Sep. 30, 1999
Yasuhito Eguchi, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A bicycle with a power assisting function has an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces, a battery for supplying electric energy to the electric motor, a treading force detecting circuit for detecting manual forces applied as propulsive forces, and a control circuit for controlling operation of the electric motor depending on the magnitude of detected manual forces. The electric motor is operable as an electric generator with extra manual forces for utilizing part of regenerated electric energy to charge the battery.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile