US PATENT SUBCLASS 341 / 150
.~.~ Using charge coupled devices or switched capacitances

Current as of: June, 1999
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341 /   HD   CODED DATA GENERATION OR CONVERSION

126  DF  ANALOG TO OR FROM DIGITAL CONVERSION {12}
144  DF  .~ Digital to analog conversion {10}
150.~.~ Using charge coupled devices or switched capacitances

DEFINITION

Classification: 341/150

Using charge coupled devices or switched capacitances:

(under subclass 144) Subject matter where there is a digital to analog converter using devices or circuits through which there is a sequential transfer of electric charges.

SEE OR SEARCH THIS CLASS, SUBCLASS:

15, for a digital pattern reading converter having a capacitive pattern.

172, for an analog to digital converter using charged coupled devices or switched capacitances.