Patent ID: 6270199
Filing Date: 2001-08-07
Classification: B41J,H04N

Abstract:
A liquid ejecting head capable of ejecting liquids in different conditions, comprising:an ejection outlet for ejecting a liquid;a liquid flow path for supplying the liquid to said ejection outlet;a plurality of bubble generation heaters provided laterally across a single liquid flow path, said plurality of bubble generation heaters being selectively driven to generate lateral bubbles of different sizes; anda movable mechanism that includes a movable member arranged to face a bubble generation region formed in said liquid flow path by at least one of said plurality of bubble generation heaters, the movable member having a free end on a downstream side with respect to a direction of said ejection outlet and a supporting member on an upstream side, whereinthe movable member is displaced in a direction to separate from the bubble generation region in accordance with a size of a bubble generated by at least one of said plurality of bubble generation heaters,a single respective movable member is provided for each liquid flow path, andgradation recording is executed by simultaneously or selectively driving said Plurality of bubble generation heaters to generate lateral bubbles of different sizes.