1
Steven L Page, James Hollander, Gene Frantz: Apparatus and methods for determining the relative displacement of an object. Texas Instruments Incorporated, Gerald E Laws, C Alan McClure, James C Kesterson, April 8, 1997: US05619583 (98 worldwide citation)

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 incom ...


2
Steven L Page, James Hollander, Gene Frantz: Apparatus and methods for determining the relative displacement of an object. Texas Instruments Incorporated, Gerald E Laws, C Alan McClure, James C Kesterson, April 15, 1997: US05621806 (2 worldwide citation)

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 incom ...