.~.~ Regulating light intensity or exposure time {3}
36
.~.~.~ Including electromagnet
DEFINITION
Classification: 355/36
(under subclass 35) Subject matter including an intermittently energized electromagnet which may be termed a solenoid or electrical relay.
(1) Note. The electromagnet usually is employed to move a shutter into and out of the optical path but it may be employed for other purposes in the copy device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
42, for a projection copier having means to identify, compose, or select which includes an electromagnet.