.~ With detector or indicator (e.g., length scale)
DEFINITION
Classification: 242/357
With detector or indicator (e.g., length scale):
(under subclass 324) Subject matter comprising a device to apprise the user of a value representing a status of the information-bearing carrier or physical condition of the apparatus for handling the carrier.
SEE OR SEARCH THIS CLASS, SUBCLASS:
410+, for a sensor adapted to respond to various conditions for regulating tension in a running length of material.
534+, and 563+, for a detector or stop in a winding or unwinding machine.
SEE OR SEARCH CLASS
200, Electricity: Circuit Makers and Breakers,
61.13+, for a circuit maker/breaker specially designed for operation by a running web or strand, spool, or guide. 250, Radiant Energy, for a detail of a photoelectric device, per se, or in combination with generalized structure, particularly
