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7641303 Drop emitting apparatus  
A drop emitting apparatus including a manifold, a viscoelastic structure acoustically coupled to the manifold, and a plurality of drop generators fluidically coupled to the manifold.
7637598 Printhead with multiple ink feeding channels  
A thermal ink jet printhead ( 40 ) for the emission of droplets of ink on a print medium ( 46 ) comprises a reservoir ( 103 ) containing ink ( 142 ), a die ( 61 ), a slot ( 102 ) engraved in said...
7631964 Liquid jet head  
A liquid jet head and apparatus prevent an increase in the viscosity of liquid in the liquid path during long term storage. The recording head has a liquid path unit 1 with nozzle openings 8, ...
7537319 Piezoelectric inkjet printhead and method of manufacturing the same  
A piezoelectric inkjet printhead, and a method of manufacturing the same, includes an ink inlet for allowing inflow of ink, a plurality of pressure chambers to contain ink to be ejected, the...
7510271 Liquid ejection head  
A liquid ejection head including: a head main body including: a cavity unit including a passage forming base plate forming a liquid passage from a common liquid chamber to a nozzle opening via a...
7494594 Method of manufacturing an electrostatic actuator  
An electrostatic actuator for increasing a swing (deflection angle) of a movable structure includes a laminate substrate in which a thin film silicon layer is formed on a silicon substrate through...
7494210 Inkjet recording head having dynamic vibration absorber  
An inkjet recording head includes a base member, an ink channel unit, a plurality of piezoelectric elements, and a dynamic vibration absorber. The ink channel unit is formed with a plurality of...
7481517 Inkjet printer  
An inkjet printer for jetting ink that is substantially free of solvent, the printer containing a printhead having an ink chamber with an ink inlet and an ink outlet, an ink supply reservoir in...
7475976 Printhead with elongate array of nozzles and distributed pulse dampers  
A printhead for an inkjet printer that has an elongate array of nozzles ( 68 ) for ejecting ink and ink conduits for supplying the array of nozzles with ink. The ink conduits extend adjacent the...
7470004 Liquid ejection head and liquid ejection device  
A flow path structure includes a heating element, a barrier layer, a liquid chamber formed by a part of the barrier layer and a pair of walls confronting each other to hold the heating element...
7438403 Inkjet printhead with compensating member  
An inkjet printhead includes: a cavity unit having aligned nozzles, pressure chambers correspondingly aligned, and a common-chamber member having a common chamber connected, at an introduction...
7410250 Inkjet nozzle with supply duct dimensioned for viscous damping  
An inkjet nozzle with an elongate ink inlet channel that defines a straight flow path of a length sufficient to provide enough viscous damping to prevent significant reverse flow of ink in the...
7399050 Drop emitting apparatus  
A drop emitting apparatus including a manifold, a viscoelastic structure acoustically coupled to the manifold, and a plurality of drop generators fluidically coupled to the manifold.
7377624 Ink jet head having channel damper and method of fabricating the same  
An ink jet head having a channel damper, and a method of fabricating the same. The ink jet head includes a heat-generating resistor disposed on a substrate to generate pressure for ink ejection, a...
7364285 Pressure damping ink filter  
Embodiments of the present invention relate to a pressure damping ink filter for use with an ink jet printer. The pressure damping ink filter includes at least one flow control member and a filter....
7357499 Inkjet print head with multi-functional structure  
An inkjet print head including a chamber layer provided with an ink via, at least one ink chamber having a heater, and at least one ink channel connecting the ink via and the ink chamber; and a...
7303271 Ink jet printer  
An ink jet printer including a housing; a carriage which is movable in the housing relative thereto; an ink jet recording head which is mounted on the carriage and which has a plurality of ink...
7285226 Method for fabricating a fluid ejection device  
A method of fabricating a fluid ejection device comprises providing a barrier layer which defines fluidic spaces. The fluidic spaces defined by the barrier layer are filled with filler. A...
7278710 Inkjet head  
A reservoir unit of an inkjet head has a plurality of laminated reservoir plates that forms an ink supply channel, and a flexible film that absorbs a fluctuation of pressure of ink in an ink...
7240992 Ink jet printhead incorporating a plurality of nozzle arrangement having backflow prevention mechanisms  
An ink jet printhead includes a substrate that defines a plurality of ink inlets. A drive circuitry layer is positioned on the substrate. A plurality of nozzle arrangements is arranged on the...
D544912 Housing of damper mechanism for ink jet printer  
7229162 Liquid jet head  
A liquid jet head and apparatus prevent an increase in the viscosity of liquid in the liquid path during long term storage. The recording head has a liquid path unit 1 with nozzle openings 8 ,...
7192132 Ink jet head unit and printer incorporating the same  
A head chip has a first face formed with nozzle orifices from which ink is ejected, and a second face formed with at least one ink inlet communicated with the nozzle orifices. An ink passage...
7159966 Ink-jet head capable of suppressing a defective bonding  
An ink-jet head comprises a passage unit formed with a plurality of nozzles for ejecting ink, a reservoir unit bonded to the passage unit, and actuator units for applying an ejection energy to ink...
7152967 Ink chamber having a baffle unit  
An ink chamber for an ink supply system in a printer. The ink chamber comprises a baffle unit housed within a housing. The baffle unit comprises a plurality of baffles. The baffle unit is divided...
7151157 Mechanically activated shape memory device  
A device and method are provided combining the thermal and mechanical attributes of two distinct materials: shape memory materials and super-cooled liquids (SCLs). In one example of the invention,...
7111931 Ink tank  
An ink tank is provided which can apply an optimum negative pressure stably by a valve of a simple structure. To this end, the ink tank of this invention has a valve and a damper section installed...
7108358 Pressure buffer and ink-jet recording apparatus  
A pressure buffer of an ink-jet recording apparatus is placed in the vicinity of an ink-jet recording head in an ink supply path connecting an ink container to the ink-jet recording head. A body of...
7086717 Inkjet printhead assembly with an ink storage and distribution assembly  
A printhead assembly includes an ink storage and distribution assembly connectable to an ink supply. An elongate printhead integrated circuit is mounted on the ink storage and distribution assembly...
7070263 Liquid jet head  
A liquid jet head and apparatus prevent an increase in the viscosity of liquid in the liquid path during long term storage. The recording head has a liquid path unit 1 with nozzle openings 8 ,...
7052120 Ink chamber for an ink supply system  
An ink chamber, suitable for an ink supply system in a portable printer, is provided. The ink chamber comprises a plurality of baffles with different sizes for minimizing ink flow fluctuations in...
7052116 Printhead with multiple ink feeding channels  
A thermal ink jet printhead ( 40 ) for the emission of droplets of ink on a print medium ( 46 ) comprises a reservoir ( 103 ) containing ink ( 142 ), a die ( 61 ), a slot ( 102 ) engraved in said...
7004577 Baffle unit for an ink supply system in a portable printer  
An ink chamber, suitable for an ink supply system in a portable printer, is provided. The ink chamber comprises a baffle unit with plurality of baffles for minimizing ink flow fluctuations in the...
6994430 Ink supply system for a printhead  
An ink supply system, suitable for supplying ink to a printhead contained in a portable electronic device, is provided. The ink supply system comprises: (a) at least one ink reservoir; (b) a...
6966634 Ink supply structure for inkjet printhead  
A printhead includes a silicon substrate, a first barrier layer, a second barrier layer, and a nozzle plate. The silicon substrate has a plurality of thermal elements and a main ink supply channel,...
6955428 Ink supply for printer in portable electronic device  
A pagewidth inkjet printer for a portable electronic device. The printhead has an array of nozzles for printing on a media substrate. An ink supply manifold establishes fluid communication between...
6916091 Ink chamber suitable for an ink supply system in a portable printer  
An ink chamber, suitable for an ink supply system in a portable printer, is provided. The ink chamber comprises a plurality of baffles for minimizing ink flow fluctuations in the ink supply system....
6905202 Ink-jet head and recording apparatus  
The ink-jet head of this invention includes a nozzle plate in which a nozzle is formed; a pressure chamber part in which a pressure chamber charged with an ink is formed; an ink passage part in...
6883906 Compact inkjet printer for portable electronic devices  
A pagewidth inkjet printer for a portable electronic device, with a roll of media substrate wrapped on a central former having at least one ink reservoir for the printhead, and a media feed...
6880922 Supply mechanism for an inkjet printhead  
An ink supply unit for supplying separate color inks to a portable ink jet print head, the ink supply unit including: a slot for insertion of the printhead; a series of elongated chambers for the...
6877835 Method of filling buffer chamber in print head with bubble and printing apparatus  
The present invention allows a buffer portion to sufficiently restrain the vibration of ink in a print head. To achieve this, the buffer portion is disposed close to a channel between a common...
6863390 Head unit in ink jet printer  
A head chip has a front face formed with nozzle orifices, and a rear face formed with at least one ink inlet. A damping chamber forming member is laminated on the rear face of the head chip. The...
6834944 Ink slots for providing ink to unilateral heaters  
An inkjet print head chip. The chip has a first column of firing chambers and a second column of firing chambers in which each firing chamber comprises a heater and an ink channel. A first ink slot...
6830318 Thermal ink jet printhead with reduced pressure transients  
There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and one or more heater elements 10 in a bubble forming chamber 7 corresponding to each nozzle 3 . Each heater...
6830325 Ink-jet head  
An ink-jet head includes a plurality of nozzles for ejecting ink, a first flat plate layer formed by aligning a plurality of pressure chambers communicating with the nozzles respectively and...
6824257 Ink supply system for a portable printer  
An ink supply system suitable for use in a portable printer is disclosed. The ink supply system comprises at least one ink reservoir and a corresponding respective ink chamber for each ink...
6789880 Microinjector for jetting droplets of different sizes  
A microinjector uses bubbles as virtual valves to eject droplets of different sizes. The microinjector is in fluid communications with a reservoir and has a substrate, an orifice layer, and a...
6786585 Inkjet head  
The ink replenishment frequency is increased in an inkjet head having nozzles for injecting ink. Independent dampers are provided in ink supply passages to impart an acoustic capacitance to the ink...
6752492 Print head and ink jet printing apparatus  
Disadvantages relating to ink refill specific to an increase in a number of ink ejection openings in an ink jet print head is eliminated to provide a particularly excellent fast-response capability...
6705716 Thermal ink jet printer for printing an image on a receiver and method of assembling the printer  
A thermal ink jet printer for printing an image on a receiver and method of assembling the printer. The printer comprises a print head defining a first chamber and a second chamber therein. The...
Matches 1 - 50 out of 244 1 2 3 4 5 >