Patent ID: 6130758
Filing Date: 2000-10-10
Classification: G06F

Abstract:
A printer system comprising:a printer controller; anda printer, connected to the printer controller by a bus, wherein said printer controller and said printer each accepts data transmitted thereto when device identification data assigned thereto agrees with transmission destination identifying data accompanying the transmitted data,said printer controller and said printer being assigned identical device identification data and determining a first transmission-permitted time period in which said printer controller transmits data to said printer and a second transmission-permitted time period in which said printer transmits data to said printer controller, the first and second transmission-permitted time periods being separated from each other,said printer controller including,an image-data transmission controller transmitting image data accompanied by the transmission destination identifying data to said printer in packet units in the first transmission-permitted time period, andsaid printer including,a data transmission controller transmitting data accompanied by the transmission destination identifying data to said printer controller in the second transmission-permitted time period;an image data reception controller receiving the image data transmitted from said printer controller;a buffer memory temporarily storing the image data received by said image data reception controller; anda printing controller reading out the image data that has been stored in said buffer memory, and printing an image which is represented by the read-out image data.