Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1990-10-16
1992-06-09
Pellinen, A. D.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341106, 341140, H03M 152
Patent
active
051211203
ABSTRACT:
A digital and programmable measuring and control instrument comprising a digital-analog converter receiving an analog signal from a pressure transducer and converting it into a digital signal and dividing the same in about 4,000 parts separated in thousands, hundreds, tens and units. The so divided signal is delivered to programmable memories that evaluate the level thereof and refer it to stored values, in such a way as to produce a signal to be shown by display means indicating the precise and actual measurement. The output digitalized and linearized signals from the programmable memories are also delivered to additional programmable memories that evaluate them and in turn transmit programmed signals to a digital-analog converter that generates in response a signal to be used for commanding operative units. Additional control signals from the programmable memory are used as actuatable signals for control or alarm units.
REFERENCES:
patent: 3824585 (1974-07-01), Meijer
patent: 3930252 (1975-12-01), Storar
patent: 4511882 (1985-04-01), Keyes, IV et al.
patent: 4764751 (1988-08-01), Kimura
patent: 4862168 (1989-08-01), Beard
Hoff Marc S.
Pellinen A. D.
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