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:
Dec. 17, 1996
Filed:
Apr. 22, 1994
Applicant:
Inventors:
Peter Byford, Hampshire, GB;
Roger Allcorn, Gwent, GB;
Assignee:
Thames Water Utilities Limited, Reading, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
327545 ; 327 64 ;
Abstract
A regulated power supply can be derived from a battery supply input and a regulator, but in order to conserve battery power, alternative power supplies can be provided each with a switch responsive to the regulator to connect that alternative power supply to the output when it rises to the level of the battery supply.