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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 235/76 - Gear


Subclass of Class 235 - Registers
Definition: Calculating-machines whose registering devices are on axes
No. of patents: 2
Last issue date: 11/05/1985


NumberTitleIssue Date
4551620Biorhythms analog computer-calendar
A Biorythms analog computer-calendar is provided to display without computations the level of the physical, the emotional, and the intellectual biorythms of a human body. The level of the three biorythms appears on display in analog and digital forms for ...
11/05/1985
4218609Educational mechanical calculator
A mechanical calculator employs a register consisting of gears. Each register gear has two sets of teeth. One set has teeth all around the circumference of the wheel while the other set consists of a single carry-over tooth. The register gears are spaced ...
08/19/1980
 
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