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:
Jun. 05, 2007
Filed:
Jan. 13, 2004
Kouji Minabe, Hitachiota, JP;
Yukio Nakamura, Mito, JP;
Shoji Ohno, Hitachinaka, JP;
Ko Kumagai, Hitachinaka, JP;
Kenji Sano, Yokohama, JP;
Kouji Minabe, Hitachiota, JP;
Yukio Nakamura, Mito, JP;
Shoji Ohno, Hitachinaka, JP;
Ko Kumagai, Hitachinaka, JP;
Kenji Sano, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Video & Information System, Inc., Yokohama-shi, JP;
Abstract
A signal recording/reproducing apparatus includes a first power source unit which generates necessary electric power signals from a commercial power source, a second power source unit which generates a necessary electric power signal from a battery, a recording signal processing unit, and a reproduced signal processing unit. The apparatus further includes time measuring instrument which is supplied with the electric power from the second power source unit, and a charging unit which charges the battery with the electric charges. Whenever the time measuring instrument measures a predetermined time, the generation of the electric power signals from the first power source unit is started, and the battery is charged with the electric charges by the charging unit.