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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 181/132 - With diaphragm


Subclass of Class 181 - Acoustics
Definition: Subject matter including a flexible element which form part
No. of applications: 1
Last issue date: 08/27/2009


Application No.Application TitleIssue Date
20090211838Floating Ballast Mass Active Stethoscope or Sound Pickup Device
An active stethoscope or other sound detection device, including a diaphragm, at least one floating mass mounted to the diaphragm (at at least one coupling point of the diaphragm), and an acoustic transducer mounted to the floating mass. Preferably, each floating mass i...
08/27/2009
 
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