Cat eye of anti-theft door

An anti-theft door and cat's eye technology, applied in the field of anti-theft door security, can solve problems such as unfavorable personal safety, property rights safety, and unfavorable privacy.

Inactive Publication Date: 2017-03-08
康臣胜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional cat's eye is not conducive to the protection of personal safety and property rights, and is not conducive to the protection of people's privacy

Method used

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  • Cat eye of anti-theft door
  • Cat eye of anti-theft door

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] refer to figure 1 , an anti-theft door peephole, including an objective lens 1 and an eyepiece 2, and an electrically controlled dimming glass 3, the electrically controlled dimming glass 3 is arranged at one end close to the eyepiece 2, and the electrically controlled dimming glass 3 communicates with the The drive circuit 4 is connected.

[0018] The electronically controlled dimming glass 3 is arranged at the end of the eyepiece 2 close to the room.

[0019] The electronically controlled dimming glass 3 is liquid crystal electronically controlled dimming glass.

[0020] When the electronically controlled dimming glass 3 is not powered on, it is in an opaque and opaque state; when indoor users need to observe the outdoor situation from the eyepiece end of the cat's eye, they only need to turn on the power supply of the driving circuit 4 for electronically controlled dimming When the glass 3 is powered on, the electronically controlled dimming glass 3 immediately bec...

Embodiment 2

[0022] refer to figure 2 , an anti-theft door cat's eye, the electronic control dimming glass 3 is arranged between the objective lens 1 and the eyepiece 2, and the rest is the same as in the first embodiment.

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PUM

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Abstract

The invention discloses a cat eye of an anti-theft door, comprising an objective lens and an eye lens; the cat eye is characterized by further comprising an electric control dimming glass, wherein the electric control dimming glass is arranged at one end closing to the objective lens; the electric control dimming glass is connected with a drive circuit through a switch; the electric control dimming glass is arranged at one end of the eye lens closing to the room; the electric control dimming glass is a liquid crystal electric control dimming glass. The cat eye is high in safety coefficient, able to prevent theft and disturbance, and good for protecting privacy of users; moreover, the cost is low.

Description

technical field [0001] The invention relates to the security field of anti-theft doors, in particular to an anti-theft door peephole. Background technique [0002] Anti-theft door cat's eye, also known as door mirror, is a small optical instrument installed on the anti-theft door, which is convenient for residents to observe the situation outside the door through the cat's eye from indoors. Its structure usually includes an objective lens and an eyepiece. The objective lens is set at the outdoor end of the anti-theft door. , the eyepiece is arranged on the indoor end of the anti-theft door for indoor users to observe the outdoor situation through the eyepiece and objective lens. [0003] This kind of cat's eye door mirror is a two-way light-transmitting cat's eye. Although it is not so easy for the thief to see the indoor situation from the objective lens, he can observe the changes in the light and light and shadow in the room from the objective lens, and can judge accordin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B7/30G02F1/133
Inventor 康臣胜
Owner 康臣胜
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