US PATENT SUBCLASS 346 / 31
FOLLOW-UP
Current as of: June, 1999
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DEFINITION
Classification: 346/31
Recorder mechanisms in which there is a function responsive element, a recorder controlling element, and a recorder element controlled thereby, said controlling element being movable by means independent of the means employed for controlling the function responsive element, and in which the controlling element assumes a position determined by the condition of the function responsive element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
11, for weight responsive members with mechanism to control a movable recorder element to cause proportional motion.
32, for rebalancing systems.
SEE OR SEARCH CLASS
74, Machine Element or Mechanism,
388, for follow-up gearing.
91, Motors: Expansible Chamber Type,
358+, for expansible chamber motors having working member position feedback control. 114, Ships,
144, for follow-up ship steering.
236, Automatic Temperature and Humidity Regulation,
74+, for regulating systems having electrical follow-ups.
244, Aeronautics,
76+, for follow-up aircraft steering.
303, Fluid-Pressure and Analogous Brake System,
54, for follow-up fluid pressure brake valves.
318, Electricity: Motive Power Systems,
560+, for electric motor servomechanisms.
340, Communications: Electrical, 870.43, for telemetric systems having follow up.
