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Monitor for automobile

a monitor and automobile technology, applied in the field of monitors, can solve the problems of increasing the possibility of an accident, affecting the safety of driving the automobile, and the visual angle is usually too limited to allow safe driving of the automobile, and the monitor is more complicated and more expensiv

Inactive Publication Date: 2007-05-10
HON HAI PRECISION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a monitor for cars that has a camera, a device to adjust the field of view, and a display. The camera is attached to the car, and the adjustor is placed in front of the camera. The display is connected to the camera and is installed in the car. The technical effect of this invention is to provide a convenient and effective way to monitor the surrounding environment of a car through a camera and display, with the ability to adjust the field of view for better visibility.

Problems solved by technology

Because the monitor is secured in the automobile, this visual angle is usually too limited to allow safe driving of the automobile.
For example, when the automobile reversing, a driver can only see objects in a range covering a visual angle of about 30 degrees to left and right in which the automobile is reversing, thus increasing the possibility of an accident.
Monitors provided with a visual angle of more than 60 degrees can be used to extend the visual field of the driver, but these monitors require expensive optical components such as components with high refractive index or low dispersive power, thus these monitors tend to be more complicated and more expensive.

Method used

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first embodiment

[0012] Referring now to the drawings, FIG. 1 shows a monitor 100 used in an automobile (not shown) according to the present invention. Additionally, the monitor 100 can be used in other vehicles and also in fixed installations. The monitor 100 includes an image sensing module 10, a visual field adjustor 20 and a display 30. The image sensing module 10 is installed in the automobile for receiving optical image signals. An optical axis of the image sensing module 10 points to the rear of the automobile. The visual field adjustor 20 is installed on an incident light path of the image sensing module 10 to adjust the visual field of the monitor 100. The display 30 is electronically connected with the image sensing module 10 and is mounted to the automobile for processing and displaying image signals received by the image sensing module 10 to a driver of the automobile.

[0013] The image sensing module 10 includes an image sensor 11 and a lens module 12. The image sensor 11 is a charge coup...

second embodiment

[0018] Referring FIG. 4 and FIG. 5, a monitor 200 is provided. All components of the monitor 200 are similar to the monitor 100 except that the mirror 21 of the monitor 100 is replaced by a prism 41. The prism 41 is movably installed in the incident light path of the lens module 12. The prism 41 is made from transparent materials such as glass and includes a trapeziform bottom (not labeled), a first side 411, a second side 412, a third side 413 and a fourth side 414. The first side 411 is parallel to the second side 412 and the area of the first side 411 is larger than the area of the second side 412. The third side 413 and the fourth side 414 both intersect with the first side 411 and the second side 412. The third side 413 and the fourth side 414 both form an angle of 60 degrees to the first side 411. Two reflectors (not shown) are respectively installed on the third side 413 and the fourth side 414. The second side 412 is located between the first side 411 and the lens module 12...

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Abstract

A monitor (100) used in an automobile includes an image sensor (10), a visual field adjustor (20) and a display (30). The image sensing module is secured on the automobile. The visual field adjustor is installed on an incident light path of the image sensing module. The display is electronically connected with the image sensing module and mounted to the automobile.

Description

FIELD OF THE INVENTION [0001] The present invention generally relates to monitors, and more particularly relates to a monitor that has a large visual field. DESCRIPTION OF RELATED ART [0002] Nowadays automobiles are often provided with a monitor secured in the tail thereof to cover the blind spots of their rearview mirrors. Generally, the visual angle of the monitor is designed to be about 60 degrees. Because the monitor is secured in the automobile, this visual angle is usually too limited to allow safe driving of the automobile. For example, when the automobile reversing, a driver can only see objects in a range covering a visual angle of about 30 degrees to left and right in which the automobile is reversing, thus increasing the possibility of an accident. Monitors provided with a visual angle of more than 60 degrees can be used to extend the visual field of the driver, but these monitors require expensive optical components such as components with high refractive index or low di...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04N7/18
CPCB60R1/00B60R2300/101H04N5/2259H04N7/183H04N23/58B60R1/28B60R1/26
Inventor LEE, CHUN-YU
Owner HON HAI PRECISION IND CO LTD
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