Replaceable printer component including a memory updated atomically

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United States of America Patent

PATENT NO 9007622
SERIAL NO

12994255

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Abstract

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A replaceable printer component includes a memory device and a communication link. The memory device includes a memory and a circuit configured to atomically update data stored in the memory. The communication link is configured to communicatively link the memory device to a printer controller when the replaceable printer component is installed in a printing system. The circuit is configured to receive a write request including data, a data length, and an address from the printer controller; copy the data length of data stored at the address to a backup area of the memory; store the data length and the address in the memory; set a write state stored in the memory to a first state; update the data length of data stored at the address with the received data; and set the write state stored in the memory to a second state.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Refstrup, Jacob Grundtvig Vancouver, US 6 202

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