ROLLING CODE TRANSMITTER - TSUI PHILIP Y W

Title:

ROLLING CODE TRANSMITTER

Document Type and Number:

WIPO Patent Application WO2003060850

Kind Code:

A3

Abstract:

A transmitter for operating a rolling code receiver is disclosed. A set of predetermined codes is captured from a rolling code transmitter that is used to actuate a corresponding rolling code reciver. The set of predetermined codes is stored in a memory of a transmitter. The transmitter, upon each actuation, transmits one or more codes of the set of predetermined codes to operate the rolling code receiver. The set of stored predetermined codes in the transmitter has fewer codes than a total number of unique codes that can be generated by the rolling code receiver.

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Inventors:

TSUI PHILIP Y W (CA)

Application Number:

PCT/IB2003/000478

Publication Date:

January 08, 2004

Filing Date:

January 14, 2003

Export Citation:

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Assignee:

TSUI PHILIP Y W (CA)

International Classes:

G08C19/28; (IPC1-7): G08C19/28; G07C9/00

Foreign References:

US5949349A	1999-09-07
EP0857842A2	1998-08-12

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