초록 ▼

A window-glass heating device for providing each adequate heat amount in accordance with each parts of the glass and for securing the good visibility to a driver, comprises: a first heater having a transparent heating film attached on the whole surface of the vehicle window glass; a second heater ha

A window-glass heating device for providing each adequate heat amount in accordance with each parts of the glass and for securing the good visibility to a driver, comprises: a first heater having a transparent heating film attached on the whole surface of the vehicle window glass; a second heater having a transparent heating film attached on a part of the surface of the vehicle window glass and being arranged at least overlapped with the first heater; a heating-requirement detector for detecting at least one of heating requirements such as the outside temperature, the inside temperature and any input through the operational equipments of vehicle inside; and a heating controller for controlling heat amount of the first and second heaters depending on the heating requirement.

대표청구항 ▼

1. A window-glass heating device, comprising: first heating means comprising a first heat generating film being transparent or semi-transparent and attached on a substantially whole surface of an automotive front window glass, a windshield wiper and pillars being attached to the automotive front win

1. A window-glass heating device, comprising: first heating means comprising a first heat generating film being transparent or semi-transparent and attached on a substantially whole surface of an automotive front window glass, a windshield wiper and pillars being attached to the automotive front window glass;second heating means comprising a second heat generating film being transparent or semi-transparent and having a substantially U-shape to be attached on a periphery area of the automotive front window glass so as to be overlapped with a first portion of the first heat generating film, the periphery area comprising a lower end portion of said automotive front window glass including a windshield wiper waiting position, and a left side end portion and a right side end portion adjacent to said pillars of said automotive front window glass such that a second portion of the first heat generating film, extending between the left side end portion and the right side end portion of the periphery area, is uncovered by the second heat generating film,heating-requirement detecting means for detecting a heating requirement depending on at least one of an outer air condition, an inner air condition, and an operational input from an operational equipment provided in a compartment of a vehicle; andheating control means for controlling a heat amount by controlling an amount of heat of each of said first and second heating means independently depending on the heating requirement,wherein said automotive front window glass comprises a laminated glass overlapped by an outer glass and an inner glass with respect to an interior of the vehicle,wherein said first heating means is attached on a first surface of said inner glass, said first surface of said inner glass facing said outer glass,wherein said second heating means is attached on a first surface of said outer glass, said first surface of said outer glass facing said inner glass, andwherein said heating control means switches heating between a first heating caused by operating only said second heating means and a second heating caused by operating both said first heating means and second heating means depending on the detected heating requirement. 2. The window-glass heating device according to claim 1, wherein said heating control means controls heating of said first heating means when said heating control means controls heating of said second heating means. 3. The window-glass heating device according to claim 1, wherein said second heating means is provided in at least one area including one of an area adjacent to a windshield wiper waiting position, an area near a movable end of the wiper opposite to said windshield wiper waiting position, and an area facing an automotive surrounding photographing device. 4. The window-glass heating device according to claim 1, wherein a non-conductive transparent film is arranged between said first heating means and said second heating means. 5. The window-glass heating device according to claim 1, wherein said second heating means is provided on said peripheral area of said automotive window glass adjacent to said first heating means. 6. The window-glass heating device according to claim 5, wherein said second heating means comprises a heat generating film attached on an area adjacent to said heat generating film of said first heating means. 7. The window-glass heating device according to claim 6, wherein said second heating means is provided in at least one area of said automotive window glass including one of a windshield wiper waiting position, an area opposite to said windshield wiper waiting position, and an area facing an automotive surrounding photographing device. 8. The window-glass heating device according to claim 5, wherein said heating requirement includes at least one of an inside-outside temperature difference and an outside temperature. 9. The window-glass heating device according to claim 5, wherein said heating requirement includes at least one of an inside-outside temperature difference and an outer temperature, and wherein said heating control means changes a respective heat amount of said first and second heating means depending on said heating requirement. 10. A window-glass heating apparatus, comprising: an inner-glass structure;an outer-glass structure associated with the inner-glass structure and adjacent to the inner-glass structure;a first heater associated with an exterior surface of the inner-glass structure, the first heater having an elongated, rectangular shape covering a substantially whole surface of the inner-glass structure, said first heater covering said surface of said inner-glass structure excluding a surface at a periphery part of the inner-glass structure;a second heater associated with an interior surface of the outer-glass structure, the second heater covering an area of the outer-glass structure corresponding to a lower part, a right part, and a left part, said area being arranged in a substantial U-shape comprising the left part, the lower part, and the right part of the outer-glass structure, respectively, the second heater being overlapped with a first portion of the first heater such that a second portion of the first heater, extending between the left part and the right part, is uncovered by the second heater;a first relay configured to supply power to the first heater;a second relay configured to supply power to the second heater for heating the lower part of said outer-glass structure including a windshield wiper waiting position, and the left part and a right part adjacent to pillars of said outer-glass structure; anda control unit configured to control the first relay and the second relay independently depending on a heating requirement,wherein said control unit switches heating between a first heating caused by operating only said first heater and a second heating caused by operating both said first heater and said second heater depending on the heating requirement. 11. The window-glass heating apparatus of claim 10, further comprising an intermediate film provided between the inner-glass structure and the outer-glass structure. 12. The window-glass heating apparatus of claim 10, wherein the lower part of the outside heater is located in the windshield wiper waiting position area of the outer-glass structure. 13. The window-glass heating apparatus of claim 10, further comprising an outside temperature gauge configured to measure an exterior temperature of a vehicle associated with the window-glass heating apparatus. 14. The window-glass heating apparatus of claim 13, wherein, when a windshield wiper associated with the window glass heating unit is operated and when the outside temperature gauge detects an outside temperature close to or below a freezing temperature, the control unit controls the first relay to provide power to the first heater and the second relay to provide power to the second heater. 15. The window-glass heating apparatus of claim 10, wherein, in a windshield wiper deicer mode, the control unit controls the second relay to provide power to the second heater. 16. The window-glass heating apparatus of claim 10, wherein, in a defog mode, the control unit controls the first relay to provide power to the first heater. 17. The window-glass heating apparatus of claim 10, wherein, after a first predetermined time, the control unit turns off the first relay, and wherein, after a second predetermined time, the control unit turns off the second relay. 18. The window-glass heating apparatus of claim 13, further comprising an interior temperature gauge configured to measure an interior temperature of a vehicle which includes the window-glass heating apparatus, wherein, when a difference in temperature between the exterior temperature and the interior temperature is relatively high and the exterior temperature is relatively low, the control unit controls the first relay to provide power to the first heater and the second relay to provide power to the second heater, andwherein, when the difference in temperature between the exterior temperature and the interior temperature is relatively low and the exterior temperature is relatively high, the control unit controls the first relay not to provide power to the first heater and the second relay not to provide power to the second heater. 19. A window-glass heating device, comprising: first heating means comprising a first heat generating film being transparent or semi-transparent and attached on a substantially whole surface of an automotive front window glass, a windshield wiper and pillars being attached to the automotive front window glass;second heating means comprising a second heat generating film being transparent or semi-transparent and having a substantially U-shape to be attached on a periphery area of the automotive front window glass so as to be overlapped with a first portion of the first heat generating film, the periphery area comprising a lower end portion of said automotive front window glass including a windshield wiper waiting position, and a left side end portion and a right side end portion adjacent to said pillars of said automotive front window glass such that a second portion of the first heat generating film, extending between the left side end portion and the right side end portion of the periphery area, is uncovered by the second heat generating film,heating-requirement detecting means for detecting a heating requirement depending on at least one of an outer air condition, an inner air condition, and an operational input from an operational equipment provided in a compartment of a vehicle; andheating control means for controlling a heat amount by controlling an amount of heat of each of said first and second heating means independently depending on the heating requirement,wherein said automotive front window glass comprises a laminated glass overlapped by an outer glass and an inner glass with respect to an interior of the vehicle,wherein said first heating means is attached on a first surface of said inner glass, said first surface of said inner glass facing said outer glass,wherein said second heating means is attached on a first surface of said outer glass, said first surface of said outer glass facing said inner glass, andwherein said heating control means: heats a whole surface of said automotive front window glass by switching said first heating means when said heating-requirement detecting means detects a defogger operation;heats said windshield wiper and pillars by switching said second heating means when said heating-requirement detecting means detects a deicer or a defogger operation; andheats said automotive front window glass by switching said first heating means and said second heating means when said heating requirement detecting means detects a windshield wiper operation and the outside temperature is less than 2 degrees Celsius.