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:
Jan. 26, 2010
Filed:
Nov. 12, 2004
Takashi Muromachi, Minato-ku, JP;
Harunori Murakami, Minato-ku, JP;
Takashi Muromachi, Minato-ku, JP;
Harunori Murakami, Minato-ku, JP;
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Abstract
An electrically heated window glass is provided, in which an electric power load may be suppressed by causing a consumed electric power for energizing a heater to be variable depending on the purpose of heating. The electrically heated window glass in accordance with the present invention comprises two glass panels laminated to each other; a plurality of heaters sandwiched between the two glass panels for heating the glass panels, the heaters being positioned in such a manner that the heaters divide the surface of the laminated glass panels into plural parts; a plurality bus bars each provided at the end portions of each of the plurality of heaters for feeding thereto; and a changeover means for switching the connection between selected one of the plurality of bus bars and a DC power supply to heat the plurality of heaters in a series connected manner or parallel connected manner.