Novel entrance guard controlling means

• Main Author: FU QINGHE
• Format: Patent
• Language: Chinese; English
• Published: 16.03.2011
• Subjects: ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE; CHECKING-DEVICES; GENERATING RANDOM NUMBERS; PHYSICS; REGISTERING OR INDICATING THE WORKING OF MACHINES; TIME OR ATTENDANCE REGISTERS; VOTING OR LOTTERY APPARATUS

The utility model relates to a novel entrance guard controlling means, including an Ibutton 1-Wire bus, a keystoke scanning module, a single chip microcomputer, a host, a door opening/closing control device and an acousto-optic prompt circuit; the keystoke scanning module and a P1 port of the Ibutton 1-Wire bus are input to the single chip microcomputer; the single chip microcomputer is connected with the door opening/closing control device; an electric control lock having +12V voltage in normal operation is driven by the triode and controlled by the relay; and the triode drives a horn and the acousto-optic prompt circuit. The novel entrance guard controlling means employing iButton as information carrier takes the single chip microcomputer as a control core, correctly reads the globally unique registration code inside iButton on the 1-Wire bus for comparation, controls door opening and closing, has light prompt and sound prompt such as visiting, alarming and mistaking, receives control from the host of openi