US 12,490,349 B2
Glass plate with electric heating wire
Shunsuke Sadakane, Tokyo (JP)
Assigned to AGC INC., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on May 19, 2022, as Appl. No. 17/748,552.
Application 17/748,552 is a continuation of application No. PCT/JP2020/037406, filed on Oct. 1, 2020.
Claims priority of application No. 2019-213617 (JP), filed on Nov. 26, 2019.
Prior Publication US 2022/0279628 A1, Sep. 1, 2022
Int. Cl. H05B 3/86 (2006.01); B60J 1/00 (2006.01)
CPC H05B 3/86 (2013.01) [B60J 1/001 (2013.01); H05B 2203/003 (2013.01); H05B 2214/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A glass plate comprising: a first glass plate having an information acquisition area through which information outside a vehicle is acquired by an information acquisition apparatus; an electric heating wire provided in the information acquisition area, a second glass plate facing the first glass plate: and an intermediate film bonding the first glass plate and the second glass plate, wherein the electric heating wire is provided between the glass plate and the second glass plate, when the first glass plate and the second glass plate are mounted to a vehicle body in an inclined state, the information acquisition area has a rectangular shape viewed from a direction of an optical axis of the information acquisition apparatus, and has a horizontal upper side and a horizontal lower side, a plurality of first streaks caused by waviness of the first glass plate are arranged at intervals in a lateral direction parallel to the horizontal upper side and the horizontal lower side, each first streak extending in a vertical direction perpendicular to the lateral direction, the electric heating wire comprises a plurality of vertical portions provided at intervals in the lateral direction, each vertical portion vertically traverses the information acquisition area, a plurality of second streaks caused by waviness of the second glass plate are arranged at intervals in the lateral direction, each second streak extending in the vertical direction, and a cycle of the waviness of each of the first glass plate and the second glass plate is from 5 mm to 50 mm and an amplitude of the waviness of each of the first glass plate and the second glass plate is from 0.1 μm to 5 μm.