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. 25, 2014
Filed:
Nov. 20, 2009
Applicants:
John Stuart Parker, North Boarhunt, GB;
Stephen Roberts, Winchester, GB;
Inventors:
John Stuart Parker, North Boarhunt, GB;
Stephen Roberts, Winchester, GB;
Assignee:
Perpetuum Ltd., Southampton, Hampshire, GB;
Primary Examiner:
Int. Cl.
CPC ...
F02B 63/04 (2006.01); H01L 41/00 (2013.01);
U.S. Cl.
CPC ...
Abstract
A vibration energy harvester for converting mechanical vibrational energy into electrical energy, the vibration energy harvester comprising a device for generating electrical energy when subjected to mechanical vibration, and a current control circuit electrically connected to the device for providing a substantially constant output current at an electrical output of the vibration energy harvester.