Patent ID: 7093927

Claim:
A carriage assembly for an ink jet recording apparatus having a main body controlling portion, the carriage assembly comprising: an ink cartridge holder having a plurality of storage portions, each storage portion having at least one opening defined with grooved edges; at least one ink cartridge having a non-volatile memory circuit board, said ink cartridge being mounted inside of said storage portion; at least one contract mechanism having a first side and a second side, securely fixed into said grooved edges of said storage portion opening, said contact mechanism electrically coupled to said first side to said non-volatile memory circuit board; a circuit substrate electrically coupled to said second side of said contact mechanism; a memory access controlling portion having a gate array integrated circuit mounted on said circuit substrate, said memory access controlling portion receiving data and commands from said main body controlling portion via a serial data connection; and wherein said memory access controlling portion further accesses requested data from said non-volatile memory circuit board via said contact mechanism.