Title:
REMOTE CONTROL SAFETY GUARANTEE SYSTEM
Document Type and Number:
Japanese Patent JPH06245270
Kind Code:
A
Abstract:
PURPOSE: To provide a safety assurance system using uni-directional communication between a transmitter and a receiver. CONSTITUTION: A safety assurance code constituted of three parts, that is, an identification code preliminarily assigned to a pair of a transmitter/receiver, number of times of transmission operated by a transmitter 20, and pseudo random number calculated according to a preliminarily decided formula based on the number of times of transmission is generated. This safety assurance code is transmitted from the transmitter 20 to a receiver 40, comparison confirmation is operated at the receiver 40 side, the fact that the received code is correct is confirmed, and then a function such as the unlocking a door or releasing the safety alarm system is executed.
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Inventors:
GEIRII EFU JIYABURONSUKII
HENRII JIEI EWARUDO
HENRII JIEI EWARUDO
Application Number:
JP24394A
Publication Date:
September 02, 1994
Filing Date:
January 06, 1994
Export Citation:
Assignee:
FORD MOTOR CO
International Classes:
H04Q9/00; G07C9/00; G07F7/10; (IPC1-7): H04Q9/00
Attorney, Agent or Firm:
Akira Asamura (3 outside)
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