De-icing or defogging system for optical instrument and image acquisition device provided with said system

De-icing or defogging system for optical instrument and image acquisition device provided with said system

  • CN 101,766,049 A
  • Filed: 06/19/2008
  • Published: 06/30/2010
  • Est. Priority Date: 06/22/2007
  • Status: Active Application
First Claim
Patent Images

1. the demist of optical instrument or defrost system, optical instrument comprises a protecting sheathing, the system is characterized in that it comprises:

  • -observation window (2), its at least one face is covered by heat conducting film (7), and heat conducting film places the edge of the effective coverage of described observation window (2), and described observation window (2) is used to be installed in described protecting sheathing (1),-heating element (8) is used for contacting placement with described film, so that described film is heated, andThe power supply circuits of-described heating element (8) (9,10).

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