Analog to digital converter for a plurality of analog channels

Details Analog to digital converter for a plurality of analog channels Analog to digital converter for a plurality of analog channels

1975-08-14

1977-12-20

Sloyan, Thomas J.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

354 37, 354 38, 340347AD, G03B 708

Patent

active

040645150

ABSTRACT:
A number of separate comparators compare respective analog inputs to a single reference waveform and turn off respective gates when the analog voltages achieve predetermined relationships to reference wave form. The gates pass pulses from a common source from the beginning of the reference wave form until the respective gates are shut off. In one version the analog signals represent photographic data such as diaphragm aperture and shutter speed in a camera, and are digitized for display within the camera.

REFERENCES:
patent: 3276012 (1966-09-01), Secretan
patent: 3742826 (1973-07-01), Kohtani
patent: 3824608 (1974-07-01), Toyoda
patent: 3843249 (1974-10-01), Kitaura
patent: 3863263 (1975-01-01), Itagaki
patent: 3872483 (1975-03-01), Numata et al.
patent: 3899788 (1975-08-01), Toyoda
patent: 3900844 (1975-08-01), Wald
patent: 3900855 (1975-08-01), Stempeck
patent: 3909137 (1975-09-01), Kisanuki
patent: 3921183 (1975-11-01), Toyoda
patent: 3988069 (1976-10-01), Kitaura
Susskind, Notes on Analog-Digital Conversion Techniques, 1957, The Technology Press, MIT, pp. 5-2 to 5-14.

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