Patent ID: 7287333
Filing Date: 2007-10-30
Classification: G01D

Abstract:
1. A signal detecting device, comprising: a casing with a chamber; a rotary drive unit, being comprised of a drive axle protruding from said casing, and a swivel base within said chamber of said casing, said swivel base having a conducting disc that rotates synchronously with said swivel base, said conducting disc having a feeding section and a transmitting section oppositely placed at a predefined cycle of said conducting disc; a feeding strip, being comprised of a feeding terminal and a conducting section, said conducting section coinciding with a circular path of said feeding section of said conducting disc, a conducting section of said feeding strip being in contact with said feeding section of said conducting disc; a transmitting strip, being comprised of a transmitting terminal and a signal detecting section, said signal detecting section being curved and coinciding with a circular path of said transmitting section of said conducting disc, said transmitting strip being fitted with spacing grooves and spacing flanges; and at least one detecting unit being comprised of a detecting terminal and a signal output terminal, said detecting terminal being aligned with a predefined position on said transmitting section of said conducting disc, said detecting unit outputting a signal to a predefined controller via a signal output terminal when said transmitting section of said conducting disc contacts said detecting terminal of said detecting unit.