Vehicular blind spot mirror assembly

• US 8,503,060 B2
• Filed: 08/15/2008
• Issued: 08/06/2013
• Est. Priority Date: 08/15/2008
• Status: Active Grant

• Current Assignee: Gentex Corporation
• Original Assignee: Gentex Corporation
• Inventors: Thomas, Timothy J., Cammenga, David J., Snyder, Mark A.
• Primary Examiner(s): SAHLE, MAHIDERE S
• Application Number:
  US12/192,395
• Publication Number:
  US 20100039691A1
• Time in Patent Office: 1,817 Days
• Field of Search: 359/265, 359/841, 359/843, 359/850, 359/864, 359/865, 359/868, 359/871, 359/872, 359/877, 359/267, 359/842
• US Class Current: 359/267
• CPC Class Codes: B60R 1/0602 comprising means for cleaning or deicing
• CPC Class Codes: B60R 1/082 using a single wide field mirror or an association of rigidly connected mirrors
• CPC Class Codes: B60R 1/088 using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors

Abstract

A vehicular mirror assembly (100) includes a first bezel (107) for housing an electrochromic (EC) glass element and a second bezel (109) for housing a spotter glass (111) element. A spotter glass heating element (113) is positioned behind the spotter glass element (111) for heating the spotter glass (111) above an ambient temperature.

Claims

1. A vehicular mirror assembly comprising:

a first bezel for housing a primary glass element;

a primary glass heating element for heating the primary glass element;

a second bezel for housing a spotter glass element;

a spotter glass heating element having a flexible connector where the spotter glass heating element is positioned behind the spotter glass element for heating the spotter glass above an ambient temperature; and

wherein the flexible connector extends over an edge of the primary glass heating element and supplies power to the spotter glass heating element through the flexible connector from at least one circuit trace extending from the primary glass heating element.

2. A vehicular mirror assembly as in claim 1, wherein the second bezel is integrally formed as a part of the first bezel.

3. A vehicular mirror assembly as in claim 1, wherein the primary glass element is electrochromic (EC) glass.

4. A vehicular mirror assembly as in claim 1, wherein the spotter glass element is electrochromic (EC) glass.

5. A vehicular mirror assembly as in claim 1, wherein the top surface of the primary glass element is positioned below the top surface of the spotter glass element.

6. A vehicular mirror assembly as in claim 1, wherein the spotter glass heating element directly heats the spotter glass element using a resistive coating.

7. A vehicular mirror assembly as in claim 1, wherein the spotter glass is loaded into the second bezel from the front of the second bezel.

8. A vehicular mirror assembly as in claim 1, wherein the spotter glass is loaded into the second bezel from the rear of the second bezel.

9. A vehicular mirror assembly as in claim 1, further comprising:

a primary heater positioned behind the primary glass element.

10. A vehicular mirror assembly as in claim 1, further comprising:

a glass carrier positioned behind the primary heater for forming a rear portion of the vehicular mirror assembly.

11. A vehicular mirror assembly as in claim 1, wherein the flexible connector enables the spotter heating element to move behind the spotter glass element.

12. A vehicular mirror assembly as in claim 11, wherein a primary heater and the spotter glass heating element are powered through the flexible connection.

13. A vehicular mirror assembly as in claim 1, further comprising:

at least one clip attached to the spotter bezel for holding the spotter glass element into a fixed position.

14. A vehicular mirror assembly as in claim 1, wherein the primary glass element includes a notched section for orienting the spotter glass element to provide a greater field of view.

15. A vehicular mirror assembly as in claim 1, wherein a mirror assembly is positioned on both the driver side and passenger side of a vehicle such that the passenger side of the vehicle has a flatter surface than that on the driver'"'"'s side of the vehicle.

16. A vehicular mirror assembly as in claim 15, wherein the passenger side mirror has a radius of curvature of at least approximately 20 percent less than the driver side mirror.

68. A vehicular mirror assembly as in claim 1, wherein the flexible connector enables the spotter glass heating element to extend over an edge of the primary glass element.

69. A vehicular mirror assembly as in claim 1, wherein the primary glass heating element and the spotter glass heating element are powered using the flexible connector.

17. An outside vehicular mirror assembly comprising:

a primary glass element;

a primary glass heater covering a portion of the rear surface of the primary glass element;

a spotter glass element positioned adjacent to the primary glass element;

a spotter glass heater having a flexible connector where the spotter glass heater is positioned behind the spotter glass element; and

wherein the flexible connector extends over an edge of the primary glass heater and is connected to at least one circuit trace for supplying power to the spotter glass heater.

18. An outside vehicular mirror assembly as in claim 17, further comprising:

a spotter glass bezel substantially surrounding the spotter glass element.

19. A outside vehicular mirror assembly as in claim 17, wherein the primary glass element is electrochromic (EC) glass.

20. A outside vehicular mirror assembly as in claim 17, wherein the spotter glass element is electrochromic (EC) glass.

21. An outside vehicular mirror assembly as in claim 18, wherein the spotter glass bezel is integrally formed within a primary bezel surrounding both the primary glass element and spotter glass element.

22. An outside vehicular mirror assembly as in claim 18, the top surface of the primary glass element is positioned below the top surface of the spotter glass element.

23. An outside vehicular mirror assembly as in claim 18, wherein the spotter glass is loaded into the bezel from the front of the bezel.

24. An outside vehicular mirror assembly as in claim 23, wherein the spotter glass is fixed into position in the spotter bezel using an adhesive material.

25. An outside vehicular mirror assembly as in claim 18, wherein the spotter glass is loaded into the bezel from the rear of the bezel.

26. An outside vehicular mirror assembly as in claim 25, wherein the spotter glass is fixed into position between the spotter bezel and the spotter glass heater.

27. A vehicular mirror assembly as in claim 18, further comprising:

at least one clip attached to the spotter bezel for holding the spotter mirror element into a fixed position.

28. An outside vehicular mirror assembly as in claim 17, further comprising a glass carrier for forming a rear housing for the outside vehicular mirror assembly.

29. An outside vehicular mirror assembly as in claim 17, wherein the flexible connector enables the spotter glass heater to extend over an edge of the primary glass element.

30. An outside vehicular mirror assembly as in claim 29, wherein a primary glass heater and the spotter glass heating element are powered using the flexible connector.

31. An outside vehicular mirror assembly as in claim 17, wherein the primary glass element includes a notched section for orienting the spotter glass element to provide a greater field of view.

32. A outside vehicular mirror assembly as in claim 17, wherein a mirror assembly is positioned on both the driver side and passenger side of a vehicle such that the passenger side of the vehicle has a flatter surface than that on the driver'"'"'s side of the vehicle.

33. A outside vehicular mirror assembly as in claim 30, wherein the passenger side mirror has a radius of curvature of at least approximately 20 percent less than the driver side mirror.

34. A spotter mirror assembly for use in vehicular applications comprising:

a glass carrier and a primary bezel forming a housing;

a primary glass mirror using electrochromic (EC) glass;

a primary glass heater positioned behind the primary glass mirror;

at least one spotter mirror element using non-EC glass;

a spotter mirror heater having a flexible connector where the spotter mirror heater is positioned behind the at least one spotter mirror element;

a spotter mirror bezel positioned within the primary bezel for holding the spotter mirror element into a fixed position; and

wherein the flexible connector extends over an edge of the primary glass heater and at least one circuit trace is connected to a flexible connector for supplying power to the spotter glass heater.

35. A spotter mirror assembly as in claim 34, wherein the spotter mirror bezel is integrally formed with the primary bezel.

36. A spotter mirror assembly as in claim 34, wherein the primary glass mirror is electrochromic (EC) glass.

37. A spotter mirror assembly as in claim 34, wherein the at least one spotter mirror element is electrochromic (EC) glass.

38. A spotter mirror assembly as in claim 34, wherein the spotter mirror heater directly heats the at least one spotter mirror element using a resistive coating.

39. A spotter mirror assembly as in claim 34, wherein the at least one spotter mirror element is loaded into the spotter bezel from the front of the spotter bezel.

40. A spotter mirror assembly as in claim 39, wherein the at least one spotter mirror element is held into the spotter bezel using an adhesive material.

41. A spotter mirror assembly as in claim 34, wherein the at least one spotter mirror element is loaded into the spotter bezel from the rear of the spotter bezel.

42. A spotter mirror assembly as in claim 34, wherein the spotter mirror element is held into the spotter bezel by the primary glass mirror.

43. A spotter mirror assembly as in claim 34, wherein the flexible connector extends over an edge of the primary glass mirror.

44. A spotter mirror assembly as in claim 43, wherein the flexible connector is used to provide power to both the primary glass heater and the spotter mirror heater.

45. A spotter mirror assembly as in claim 34, further comprising at least one fastener in the spotter mirror bezel for fastening to the spotter mirror element into a fixed position.

46. A spotter mirror assembly as in claim 34, wherein the front surface of the spotter mirror element is recessed within the spotter bezel and is positioned below the front surface of the primary glass mirror.

47. A spotter mirror assembly as in claim 34, wherein the primary glass mirror includes a notched section for orienting the at least one spotter mirror element to provide a greater field of view.

48. A spotter mirror assembly as in claim 34, wherein a spotter mirror element is positioned on both the driver side and passenger side of a vehicle such that the passenger side of the vehicle has a flatter surface than that on the driver'"'"'s side of the vehicle.

49. A spotter mirror assembly as in claim 48, wherein the passenger side mirror has a radius of curvature of at least approximately 20 percent lesser than the driver side mirror.

50. A vehicular mirror comprising:

a glass carrier and a primary bezel forming a housing;

a primary glass mirror;

a primary glass heater positioned behind the primary glass mirror;

at least one spotter mirror element;

a spotter mirror heater including a flexible connector where the spotter mirror heater is positioned behind the at least one spotter mirror element;

a spotter mirror bezel formed within the primary bezel for holding the spotter mirror element; and

wherein the flexible connector extends over an edge of the primary glass heater and power to the at least one spotter mirror heater is supplied from the primary glass heater through the flexible connector from at least one circuit trace.

51. A vehicular mirror as in claim 50, wherein the spotter mirror heater includes a resistive coating for providing a heated surface.

52. A vehicular mirror as in claim 50, wherein the spotter mirror element is loaded into the spotter bezel from the front of the spotter bezel.

53. A vehicular mirror as in claim 50, wherein the spotter mirror element is held into the spotter bezel using an adhesive material.

54. A vehicular mirror as in claim 50, wherein the at least one spotter mirror element is loaded into the spotter bezel from the rear of the spotter bezel.

55. A vehicular mirror as in claim 50, wherein the primary mirror is an electrochromic (EC) glass mirror.

56. A vehicular mirror as in claim 50, wherein the at least one spotter mirror element is electrochromic (EC) glass.

57. A vehicular mirror as in claim 50, further comprising at least one fastener positioned in the spotter mirror bezel for fastening to the spotter mirror element into a fixed position.

58. A vehicular mirror as in claim 50, wherein the front surface of the spotter mirror element is recessed within the spotter bezel and is positioned below the front surface of the primary glass mirror.

59. A vehicular mirror as in claim 50, wherein the primary glass heater and the spotter mirror heater are powered though a common flexible connection.

60. A vehicular mirror as in claim 50, wherein a vehicular mirror is positioned on both the driver side and passenger side of a vehicle such that the passenger side of the vehicle has a flatter surface than that on the driver'"'"'s side of the vehicle.

61. A vehicular mirror as in claim 60, wherein the passenger side mirror has a radius of curvature of at least approximately 20 percent lesser than the driver side mirror.

70. A motor vehicle mirror system as in claim 60, wherein the flexible connector enables the spotter glass heating element to extend over an edge of the primary glass element.

71. A motor vehicle mirror system as in claim 60, wherein the primary glass heating element and the spotter glass heating element are powered using the flexible connector.

62. A motor vehicle mirror system comprising:

a first spotter mirror element on a driver side of the vehicle having a first radius of curvature where the first spotter mirror is comprised of;

a first bezel for housing a primary glass element;

a second bezel for housing a spotter glass element;

a spotter glass heating element having a flexible connector where the spotter glass heating element is positioned behind the spotter glass element for heating the spotter glass above an ambient temperature;

at least one circuit trace connected to a flexible connector for supplying power to a primary glass heating element and the spotter glass heating element;

a second spotter mirror element on a passenger side of the vehicle having a second radius of curvature that is less than the first radius of curvature; and

wherein the flexible connector extends over an edge of the primary glass heating element.

63. A motor vehicle mirror system as in claim 62, wherein the second radius of curvature is at least 20 percent less than the first radius of curvature.

64. A motor vehicle mirror system as in claim 62, wherein the second radius of curvature is at least 30 percent less than the first radius of curvature.

65. A motor vehicle mirror system as in claim 62, wherein the second radius of curvature is at least 40 percent less than the first radius of curvature.

66. A motor vehicular mirror system as in claim 62, wherein the primary glass element is electrochromic (EC) glass.

67. A motor vehicle mirror system as in claim 62, wherein the spotter glass element is electrochromic (EC) glass.