The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 10, 2012

Filed:

Mar. 19, 2007
Applicant:

Chia-yi Hsu, Taipei, TW;

Inventor:

Chia-Yi Hsu, Taipei, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08C 19/12 (2006.01); G08B 1/08 (2006.01); H04M 11/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A subarea control system of electrical lighting separated by a demarcation repeatercomprises: a bus power supplyconnected to the electric supply; at least a demarcation repeaterconnected to the bus power supplyvia a bi-phase digital information transmission busto establish a contact with the uplink bus, while the demarcation repeaterneed to be connected to the electric supply; a system controllerconnected to the bi-phase digital information transmission busto form a transmission pathso as to broadcast the system instructions within the whole system; at least a subarea controllerconnected to the bi-phase digital information transmission bus; at least a group of lamp controllersrespectively connected to the bi-phase digital information transmission busto receive the information instructions and to access the electric supply; the subarea controllerand the lamp controllersform a subarea instruction transmission pathwhose boundary is the demarcation repeater, and the subarea instructions are valid on the subarea instruction transmission path


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