Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2002-11-25
2008-05-13
Huffman, Julian D. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
Reexamination Certificate
active
07370930
ABSTRACT:
The ink unit of a printer has a memory circuit (memory element) for non-contact communication. The memory circuit has a hold mode M2in which memory access commands from the transmitter/receiver are not received, and an active mode M4in which memory access is permitted upon receipt of a memory access command. The memory circuit shifts into active mode M4if the ID contained in the active mode command matches its own ID when an active mode command containing the cartridge ID is received from the transmitter/receiver while in hold mode M2. The reception of an anti-collision start command from the transmitter/receiver while in hold mode M2results in a shift to anti-collision mode M3to check the ID.
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Huffman Julian D.
Stroock & Stroock & Lavan LLP
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