Electrically Heated Window Glass

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MURAKAMI HARUNORI, MUROMACHI TAKASHI
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung: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.