U.S. patents available from 1976 to present.
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...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

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Class 400/373 - Including double-lobe cam


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein said cam surface is so configured
No. of patents: 2
Last issue date: 07/06/1976


NumberTitleIssue Date
3967715Intermittent drive system for typewriters
An intermittent drive for a single-element printing typewriter, calculator or similar machine. The drive comprises a drive shaft couplable via a cycle clutch to a driven shaft and a governor disposed on the driven shaft to couple it with and maintain it a...
07/06/1976
3944043Shift mechanism in syllabic typewriters
In typewriters comprising groups of type-bars, each group having a distinct printing point, each group being supported by a particular sector and certain sectors being movable independently from the others: A shift mechanism which allows the typist to put all ...
03/16/1976
 
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