05619583 is referenced by 98 patents and cites 7 patents.

A microphone is disclosed which converts an audio signal directly into a digital representation by analyzing and digitizing the distortion imposed upon a signal, such as a string of regularly spaced pulses as a result of the displacement of a diaphragm, relative to a sensor, in response to the incoming acoustical signal. Other devices, systems and methods are also disclosed.

Title
Apparatus and methods for determining the relative displacement of an object
Application Number
837291
Publication Number
5619583
Application Date
June 7, 1995
Publication Date
April 8, 1997
Inventor
Gene Frantz
Missouri City
TX, US
James Hollander
Dallas
TX, US
Steven L Page
Dallas
TX, US
Agent
James C Kesterson
C Alan McClure
Gerald E Laws
Assignee
Texas Instruments Incorporated
TX, US
IPC
H04R 25/00
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