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:
May. 28, 2013
Filed:
Nov. 10, 2009
Takashi Mochida, Chiba, JP;
Takashi Mochida, Chiba, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed is an electric power generating apparatus. The electric power generating apparatus includes a casing including an interior space, a permanent magnet that is provided in the interior space and capable of being reciprocated, a coil provided on an outer periphery of the interior space, an electric circuit unit to output a voltage, as an electric energy, generated in the coil by reciprocating the permanent magnet, a detection unit to detect a characteristic of the voltage, and a sound generation unit to generate sound that is associated with at least one of a period and amplitude of the voltage based on a result of detection by the detection unit.