Coded ribbon cartridge, decoder, and ribbon ink capacity indicator with LCD display
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United States of America Patent
Stats
-
Jul 27, 2004
Grant Date -
Dec 18, 2003
app pub date -
Jun 14, 2002
filing date -
Jun 14, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus are provided for adaptively controlling printer functions of a dot matrix printer in response to sensing the type of printer ink cartridge being used. An identifying resistive value is applied to surface of the cartridge and installed within the printer. The printer includes contacts that include sensors and sensor circuitry useful to detect a presence of the resistive indicator and the resistive value thereof. The sensed resistive value is used to directly control printer functions, and/or to access stored data or printer control routines specific to the type of cartridge, or desired performance characteristics. Stored information, which may be appended by other sensed information such as printer usage data, is used to selectively regulate printer operation to achieve maximum efficiency and performance from the particular ink cartridge.
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