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:
Mar. 02, 1993

Filed:

Jun. 29, 1990
Applicant:
Inventors:

Alfred E Deluca, Harvard, MA (US);

George M Kauffman, Hudson, MA (US);

Assignee:

Digital Equipment Corporation, Maynard, MA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
307 38 ; 307113 ; 307116 ;
Abstract

An apparatus for controlling a plurality of electrical devices, each of the electrical devices including circuitry for switching the electrical device to a standby mode or an operational mode. A main control unit and a secondary control unit is provided in each of the electrical devices. When a main control unit of one electrical device is connected to a secondary control unit of a second electrical device, control of the operational state of the second electrical device is transferred to the remotely located first electrical device. When the two electrical devices are disconnected, local control of the second electrical device is maintained.


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