US PATENT SUBCLASS 315 / 154
.~.~.~ Selective electric switch controlled by the radiant energy responsive device

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

149  DF  WITH RADIANT ENERGY SENSITIVE CONTROL MEANS {8}
152  DF  .~ Plural load devices {1}
153  DF  .~.~ Selective energization of the load devices {1}
154.~.~.~ Selective electric switch controlled by the radiant energy responsive device

DEFINITION

Classification: 315/154

(under subclass 153) Systems wherein the means for selecting the load device or devices to be energized is an electrically operated switch whose operation is controlled by the radiant energy sensitive means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

313, and indented subclasses, for other plural load device systems under the class definition provided with selective switching means.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

173+, for photocell controlled relay circuits.