US PATENT SUBCLASS 341 / 172
.~.~ Using charge transfer devices (e.g., charge coupled devices, charge transfer by 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}
155  DF  .~ Analog to digital conversion {6}
172.~.~ Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances)

DEFINITION

Classification: 341/172

Using charge transfer devices (e.g., charge coupled devices, charge transfer by switched capacitances):

(under subclass 155) Subject matter where there is an analog to digital 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.

150, for digital to analog converters using charge transfer devices.