US PATENT SUBCLASS 455 / 163.1
.~.~.~.~ Reversible motor (e.g., end-stop control)

Current as of: June, 1999
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130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
150.1  DF  .~ Signal selection based on frequency (e.g., tuning) {13}
161.1  DF  .~.~ Frequency scanning {9}
162.1  DF  .~.~.~ Motor activated {1}
163.1.~.~.~.~ Reversible motor (e.g., end-stop control)

DEFINITION

Classification: 455/163.1

Reversible motor (e.g., end-stop control):

(under subclass 162.1) Subject matter in which the motor is bidirectional and circuit means is provided for controlling the direction of operation.

(1) Note. This subclass provides for selective receivers in which the tuning means has limitations in motion and cam or other actuating means controls the motor circuit to prevent damage.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

626, for limit or end-stop control of an electric motor in a servo system and subclasses 280+ for motor reversing systems.