Optical device
First Claim
1. An optical device comprising:
- an optical apparatus configured to acquire information regarding an outside of a vehicle cabin through a windshield glass, where a closed space of the optical device is located between the optical apparatus and the windshield glass;
a heater configured to heat the closed space;
an opening and closing vent disposed in an air flow path between the closed space and a vehicle cabin internal space, the opening and closing vent being configured to control communication of air between the closed space and the vehicle cabin internal space; and
a controller configured to control an open and closed state of the opening and closing vent based on a difference in a value of a humidity acquired by subtracting a humidity of the vehicle cabin internal space from a humidity of the closed space, wherein;
when the difference in humidity is greater than or equal to a predetermined difference in humidity, the heater heats the closed space and the controller is configured to set the opening and closing vent to the open state, andwhen the difference in humidity is less than the predetermined difference in humidity, the heater heats the closed space and the controller is configured to set the opening and closing vent to a closed state.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical device includes an optical unit that is disposed with a closed space interposed between the optical unit and a windshield glass and is configured to acquire information of an outside of a vehicle cabin through the windshield glass, a heating unit that heats the closed space, an opening and closing unit that is disposed in an air flow path between the closed space and a vehicle cabin internal space and controls communication of air between the closed space and the vehicle cabin internal space, and a controller that controls an open and closed state of the opening and closing unit based on either an outside air temperature of a vehicle or a difference in humidity acquired by subtracting a humidity of the vehicle cabin internal space from a humidity of the closed space.
2 Citations
4 Claims
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1. An optical device comprising:
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an optical apparatus configured to acquire information regarding an outside of a vehicle cabin through a windshield glass, where a closed space of the optical device is located between the optical apparatus and the windshield glass; a heater configured to heat the closed space; an opening and closing vent disposed in an air flow path between the closed space and a vehicle cabin internal space, the opening and closing vent being configured to control communication of air between the closed space and the vehicle cabin internal space; and a controller configured to control an open and closed state of the opening and closing vent based on a difference in a value of a humidity acquired by subtracting a humidity of the vehicle cabin internal space from a humidity of the closed space, wherein; when the difference in humidity is greater than or equal to a predetermined difference in humidity, the heater heats the closed space and the controller is configured to set the opening and closing vent to the open state, and when the difference in humidity is less than the predetermined difference in humidity, the heater heats the closed space and the controller is configured to set the opening and closing vent to a closed state. - View Dependent Claims (2, 3, 4)
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Specification