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:
Aug. 04, 2020
Filed:
Jan. 12, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Tomohiko Futatsugi, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A windshield heating device for an on-board camera includes a PTC heater in the form of a sheet extending along an inner surface of a windshield in proximity to an on-board camera that takes an image of the front of a vehicle, and is configured to heat the windshield in a heated region in front of the camera. The PTC heater includes a first heating region and a second heating region which are adjacent to each other, the heating area of the second heating region is smaller than the heating area of the first heating region, and the calorific value per unit area of the second heating region is smaller than the calorific value per unit area of the first heating area.