US PATENT SUBCLASS 701 / 115
.~.~.~.~ Specific memory or interfacing device

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
99  DF  .~ With indicator or control of power plant (e.g., performance) {2}
101  DF  .~.~ Internal-combustion engine {1}
102  DF  .~.~.~ Digital or programmed data processor {7}
115.~.~.~.~ Specific memory or interfacing device

DEFINITION

Classification: 701/115

Specific memory or interfacing device:

(under subclass 102) Internal-combustion engine control or indication wherein the digital or programmed data processing system includes specific structure to function either as data storage or as an information interconnecting device.

SEE OR SEARCH CLASS

123, Internal Combustion Engines,

406.33, for a learning system responsive to engine knocking and subclass 406.6+ for speed responsive timing control having a counter or addressable memory.

365, Static Information Storage and Retrieval, appropriate subclasses for memory devices.