Title:
SCREEN HEATER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/049479
Kind Code:
A1
Abstract:
A screen heater system according to the present invention comprises: a heater element (21) that is attached to a sensor bracket to which a sensor (17) is attached; and a heating control circuit that controls a heating state of the sensor element (21). The sensor bracket includes a sensor detection range groove (10) for providing a space in a sensor detection range necessary for the sensor (17) to detect an external environment. The heat element (21) is attached to the sensor bracket such that, in at least a part of a sensor detection range groove bottom plate (11) and sensor bracket faces (13)-(16), an amount of heat released at a part of a region constituting a detection range screen (20), in a screen (18), belonging to the sensor detection range or to at least of a part of an area around the detection range screen (20) is locally greater than at the remaining region in the detection range screen (20).
Inventors:
NAGAI TOSHIKAZU (JP)
OTAKA HIROTO (JP)
OTAKA HIROTO (JP)
Application Number:
PCT/JP2020/033920
Publication Date:
March 18, 2021
Filing Date:
September 08, 2020
Export Citation:
Assignee:
KURABE IND CO LTD (JP)
International Classes:
H05B3/20; B60S1/02; H05B3/84
Foreign References:
| EP3451790A1 | 2019-03-06 | |||
| JP2018198145A | 2018-12-13 | |||
| JP2017537837A | 2017-12-21 | |||
| JP2020082837A | 2020-06-04 | |||
| JP2018198146A | 2018-12-13 | |||
| JP2018198143A | 2018-12-13 | |||
| US20100032421A1 | 2010-02-11 |
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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