Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam

A conical beam and generating device technology, which is applied in the field of three-dimensional security, can solve the problems of complex system maintenance, increasing the volume and cost of the security system, etc.

Inactive Publication Date: 2006-05-24
KOREA ADVANCED INST OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This increases the size and cost of the safety system and complicates maintenance of the system

Method used

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  • Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam
  • Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam
  • Device for generating plane beam/conical shape beam and security device using generated plane beam/cone beam

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Embodiment Construction

[0045] The present invention will be described in detail below in conjunction with preferred embodiments with reference to the accompanying drawings.

[0046] The present invention requires means for generating a straight laser beam and a cylindrical prism in order to generate a flat or cone beam propagating in all directions. Furthermore, the invention also requires means for fixing the generating means and the cylindrical prism. The fixing device is well known to those skilled in the art, so its description is omitted in the present invention.

[0047] Before describing the apparatus for generating planar and cone-shaped beams propagating in all directions, the conventional method of generating a straight laser beam propagating at a specific angle is described. In order to obtain a straight laser beam propagating at a specific angle, semi-cylindrical optics are used. figure 1 A method of deriving a laser beam propagating at a specific angle from a straight-on laser beam is...

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Abstract

Disclosed are an apparatus of converting a laser beam traveling straight to a beam propagated in all directions and a security system using the laser beam propagated in all directions. The laser beamtraveling straight is incident on a cylindrical prism and repeatedly reflected and transmitted to be converted to the laser beam propagated in all directions. The laser beam is converted to a plane beam or a conical beam by controlling an incident angle of the laser beam incident on the cylindrical prism. The security system is constructed using the apparatus of generating the plane, beam or conical beam.

Description

technical field [0001] The present invention relates to a technology of converting a straight-going laser beam into a laser beam traveling in all directions and applying the laser beam traveling in all directions to a security system for three-dimensional security. In particular, the present invention relates to a method of inputting a straight-forward laser beam into a cylindrical prism so that the laser beam is repeatedly transmitted and reflected inside the cylindrical prism to generate laser beams in all directions through the outer surface of the cylindrical prism. A device for propagating a laser beam and adjusting the incident angle of the straight laser beam to generate a flat beam or a cone-shaped beam, and a safety system using a laser beam generating device. Background technique [0002] Although a laser beam propagating in all directions is currently desired, there is currently no device for generating such a laser beam. If a device for generating a laser beam p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/10G08B13/18
CPCG02B5/3066H01L21/02675H01S3/034
Inventor 孔弘珍催振
Owner KOREA ADVANCED INST OF SCI & TECH
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