Coded data generation or conversion – Analog to or from digital conversion – Using optical device
Patent
1996-03-29
1998-12-15
Hoff, Marc S.
Coded data generation or conversion
Analog to or from digital conversion
Using optical device,
250214DC, H03M 100, G08C 1904
Patent
active
058501959
ABSTRACT:
A monolithic light-to-digital signal converter (1.10) includes a photodiode array (1.24) having a plurality of sections with each section producing a current signal in response to incident light, a current-to-digital signal converter circuit (1.28) for converting selected ones of the current signals to a digital signal, and a control circuit (1.26) for scaling the digital signal in response to user supplied programming signals. The control circuit (1.26) also responds to user supplied programming signals to supply control signals to current-to-digital signal converter circuit (1.28). Current-to-digital signal converter circuit (1.28) is responsive to the control signals for combining selected ones of the current signals into a composite current signal and converting the composite current signal to a digital signal.
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TSL230, TSL231, TSL232 Programmable Light-to-Frequency Converters, SOES007A-D4081, Oct. 1992--Revised Apr. 1993.
Aswell Cecil J.
Berlien, Jr. John H.
Dierschke Eugene G.
Hassan Mehedi
Brady III W. James
Donaldson Richard L.
Hoff Marc S.
Texas Instruments Incorporated
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