TH405C3 - Key to open and close the door Using light code (KEYHOLD) - Google Patents

Abstract

Door key set device using light code This has three parts, one is a key card with holes. The second is the insert sensor assembly. The third part is a cycle. Control by such devices can work with electronic circuits in conjunction with microprocessors.

Claims (1)

Disclaimer (all) which will not appear on the advertisement page. : A set of keys to open and close the door by means of a pry code (Key Hold) consisting of a shaped key card. Rectangular figure The insertion side has a hole. The arrow indicates and is also a code used to Read also. The check sensor unit is rectangular in shape. There is a hole to insert the LED lighting device and the photo transistor. The Photo Transistor is a card sensor inserted into the processor circuit. In which the kit can open and close the door using a light code There is an arrow-shaped code hole and the sensor can detect it only when the card is inserted into the test unit. Examination by using the optical code readings that can be read from the card, operated by the control unit to read the obtained values. Inferior to the program that was set.