US PATENT SUBCLASS 315 / 152
.~ Plural load devices


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.~ Plural load devices {1}
153  DF  .~.~> Selective energization of the load devices {1}


DEFINITION

Classification: 315/152

(under subclass 149) Systems having a plurality of load devices connected in the system.

(1) Note. Where a single lamp or a single discharge device is the ultimate load device, and the system includes an additional lamp and/or discharge device in the circuit which is connected in the circuit so as to control and/or modify the current and/or potential supplied to such single ultimate load device, the patent is classified as a plural load device system if (a) the controlling and/or modifying device is a lamp, or (b) the controlling and/or modifying device is limited in the claims to being a gas or vapor discharge device. Conversely, such a system is not classified as a plural load device system where the controlling and/or modifying device is claimed broadly as a discharge device, even though it is disclosed as a gas or vapor discharge device.

The controlling and/or modifying device may be connected in the control circuit of the discharge device where the ultimate load device is a discharge control discharge device, and the same basis of classification is used as is set forth above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

312, and indented subclasses, and the subclasses referred to in the notes to the definition for other plural load device systems under the class definition.