Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1988-10-26
1990-07-03
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341128, H03M 152
Patent
active
049395203
ABSTRACT:
The present invention provides an analog to digital converter, including an integrator for producing an output signal and having an input, a connection for an input signal to the integrator input, and a controller for periodically applying a reference signal to the integrator input for causing the integrator output signal to have a predetermined average value, for measuring the amount of time that the reference is applied to the integrator input, and for calculating a digital representation of the analog signal.
REFERENCES:
patent: 3267458 (1966-08-01), Anderson et al.
patent: 3281827 (1966-10-01), Olshausen et al.
patent: 4620178 (1986-10-01), Naito
patent: 4694277 (1987-09-01), Takahashi
Analogic Corporation
Hoff Mare S.
Shoop Jr. William M.
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