View Single Post
  #16   Report Post  
Posted to sci.electronics.repair
gregz gregz is offline
external usenet poster
 
Posts: 2,415
Default Material transmissive to visible light but blocks IR of zappers ?

"N_Cook" wrote:
Or at least translucent to visible. Hopelessly undiscriminating IR encoder &
decoder on a piece of kit but need to see the LED segment display , which
inconveniently has the IR Rx within it.
I've tried loads of normal materials like polythene,perspex, glass, mica,
silicone rubber.
I know black polythene will transmit the IR of PIR units and block visible
but there is more seperation of f there


Water.

Greg