Patent ID: 8186816

Claim:
A liquid container adapted for installation in a liquid jetting device, comprising: a container body that contains a liquid; an installation status notifier portion that, when the liquid container is installed in the liquid jetting device, is adapted to selectively notify the liquid jetting device that there exists an installed state of the liquid container, signifying that the liquid container is installed in the liquid jetting device, and additionally to selectively notify the liquid jetting device that there exists a non-installed state wherein the liquid container is not installed in the liquid jetting device, even when the liquid container is actually installed in the liquid jetting device; a memory adapted to allow the liquid jetting device to read and write liquid information relating to the contained liquid while in the installed state; and an information rewriting portion that rewrites the liquid information in the memory independently of a read or write operation by the liquid jetting device, wherein the installation status notifier portion is adapted to notify the liquid jetting device that there exists the non-installed state while the information rewriting portion is rewriting the liquid information.