Patent ID: 7354144
Filing Date: 2008-04-08
Classification: B41J

Abstract:
1. A liquid container mountable on and removable from a recording apparatus which is capable of mounting plural liquid containers, and has a apparatus side contact point electrically connectable to a contact point of the liquid container and an electric circuit electrically being connected to the apparatus side contact point and having a wiring to supply a power supply voltage to the plural liquid containers, the liquid container further comprising: the contact point electrically connectable to the apparatus side contact point; an information retention portion capable of retaining at least an individual information with respect to the liquid container; an informing portion; a driving portion for driving the informing portion; a controlling portion capable of accessing the information retention portion in response to a command containing the individual information from the recording apparatus and performing a drive control of the driving portion so as to inform a condition of the liquid container; and voltage level changing means for supplying the voltage as changing a level of the power supply voltage relative to at least one of the controlling portion, the informing portion, and the information retention portion according to the voltage necessary for driving the controlling portion, the informing portion, and the information retention portion.