Ink jet recording system

Claim 3

A method as claimed in claim 2, characterized in that ink is ejected from said aimed orifice after ink is ejected from said orifices.

Claim 4

A method as claimed in claim 2, characterized in that ink is ejected simultaneously from said orifices.

Claim 5

A method as claimed in claim 2, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by alternately driving the ejection energy generating elements of the old numbered ink passages and the ejection energy generating elements of the even numbered ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 6

A method as claimed in claim 2, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by sequentially driving the ejection energy generating elements of said plurality of ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 7

A method as claimed in claim 2, characterized in that each of said ejection energy generating elements are driven continuously at a frequency lower than that at the time of a recording operation.

Claim 8

A method as claimed in claim 7, characterized in that said frequency can be determined in accordance with a state of bubble remaining in the ink passage at which said ink ejection recovery is performed.

Claim 9

A method as claimed in claim 2, characterized in that said ejection energy generating element is an electro-thermal converting element to which one or a plurality of pulses are applied and which generates a thermal energy used as an ejection energy.

Claim 11

A method as claimed in claim 10, characterized in that ink is ejected simultaneously from said orifices.

Claim 12

A method as claimed in claim 10, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by alternately driving the ejection energy generating element of the old numbered ink passages and the ejection energy generating elements of the even numbered ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 13

A method as claimed in claim 10, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by sequentially driving the ejection energy generating elements of said plurality of ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 14

A method as claimed in claim 10, characterized in that each of said ejection energy generating elements are driven continuously at a frequency lower than that at the time of a recording operation.

Claim 15

A method as claimed in claim 14, characterized in that said frequency can be determined in accordance with a state of bubble remaining in the ink passage at which said ink ejection recovery is performed.

Claim 16

A method as claimed in claim 10, characterized in that said ejection energy generating element is an electro-thermal converting element to which one or a plurality of pulses are applied and which generates a thermal energy used as an ejection energy.

Claim 17

An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, characterized by comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; and head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice at which an ink ejection recovery is performed, but excluding said aimed orifice in an arrangement of said plurality of orifices.

Claim 18

An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, characterized by comprising: a recording head having a plurality of orifices, a plurality of ink passages each of which correspondingly communicates with each of said plurality of orifices and is provided with an ejection energy generating element, and a common liquid reservoir communicating with each of said plurality of ink passages; and head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice at which an ink ejection recovery is performed, but excluding said aimed orifice.

Claim 19

An apparatus as claimed in claim 18, characterized in that ink is ejected from said aimed orifice after ink is ejected from said orifices.

Claim 20

An apparatus as claimed in claim 18, characterized in that ink is ejected simultaneously from said orifices.

Claim 21

An apparatus as claimed in claim 18, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by alternately driving the ejection energy generating element of the old numbered ink passages and the ejection energy generating elements of the even numbered ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 22

An apparatus as claimed in claim 18, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by sequentially driving the ejection energy generating elements of said plurality of ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 23

An apparatus as claimed in claim 18, characterized in that each of said ejection energy generating elements are driven continuously at a frequency lower than that at the time of a recording operation.

Claim 24

An apparatus as claimed in claim 23, characterized in that said frequency can be determined in accordance with a state of bubble remaining in the ink passage at which said ink ejection recovery is performed.

Claim 25

An apparatus as claimed in claim 18, characterized in that said ejection energy generating element is an electro-thermal converting element to which one or a plurality of pulses are applied and which generates a thermal energy used as an ejection energy.

Claim 26

An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, characterized by comprising: a recording head having a plurality of orifices, a plurality of ink passages each of which correspondingly communicates with each of said plurality of orifices and is provided with an ejection energy generating element, a first substrate and a second substrate for forming said plurality of ink passages by joining said second substrate to said first substrate, and a joining member for press joining said first substrate and said second substrate by means of line pressure applied to said first substrate and/or said second substrate; and head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice at which an ink ejection recovery is performed, but excluding said aimed orifice.

Claim 27

An apparatus as claimed in claim 26, characterized in that ink is ejected simultaneously from said orifices.

Claim 28

An apparatus as claimed in claim 26, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by alternately driving the ejection energy generating element of the old numbered ink passages and the ejection energy generating elements of the even numbered ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 29

An apparatus as claimed in claim 26, characterized in that said ink ejection recovery is performed at all of said plurality of ink passages by sequentially driving the ejection energy generating elements of said plurality of ink passages in an arrangement of said plurality of ink passages, so that ink is ejected from all of said plurality of orifices.

Claim 30

An apparatus as claimed in claim 26, characterized in that each of said ejection energy generating elements are driven continuously at a frequency lower than that at the time of a recording operation.

Claim 31

An apparatus as claimed in claim 30, characterized in that said frequency can be determined in accordance with a state of bubble remaining in the ink passage at which said ink ejection recovery is performed.

Claim 32

An apparatus as claimed in claim 26, characterized in that said ejection energy generating element is an electro-thermal converting element to which one or a plurality of pulses are applied and which generates a thermal energy used as an ejection energy.

Claim 33

An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, characterized by comprising: a recording head having a plurality of orifices, a plurality of ink passages each of which correspondingly communicates with each of said plurality of orifices and in each of which an ejection energy generating element is disposed; a first substrate having a plurality of said ejection energy generating elements; a second substrate having recesses and projections for forming said plurality of ink passages by joining said second substrate to said first substrate; a leaf spring member for press joining said first substrate and said second substrate by means of line pressure, said line pressure being produced by an end portion of a bent projection of said leaf spring member; and

Claim 34

An ink jet recording apparatus for performing recording by ejecting ink to a recording medium, characterized by comprising: a recording head having a plurality of orifices, a plurality of ink passages each of which correspondingly communicates with each of said plurality of orifices and in each of which an ejection energy generating element is disposed; a first substrate having a plurality of said ejection energy generating elements; a second substrate integrally having an orifice plate having said plurality of orifices, a front plate member being formed integral to said orifice plate and having a portion projecting outwardly, and recesses and projections for forming said plurality of ink passages by joining said second substrate to said first substrate; a leaf spring member for press joining said first substrate and said second substrate by means of line pressure, said line pressure being produced by an end portion of a bent projection of said leaf spring member, outer face of said bent projection being in contact with a surface of said front plate member, said surface facing an opposite direction to a direction in which ink is ejected; and head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice at which an ink ejection recovery is performed, but excluding said aimed orifice.

Claim 35

A copying machine characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 36

A facsimile machine characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 37

A word processor characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 38

An optical disc apparatus characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 39

A work station, characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 40

A computer characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.

Claim 41

A portable printer characterized by comprising: an ink jet recording apparatus for performing recording by ejecting ink to a recording medium, comprising: a recording head having a plurality of orifices and a plurality of ejection energy generating elements each of which corresponds to each of said plurality of orifices; head driving means for driving the ejection energy generating elements so that ink is ejected from orifices each of which corresponds to each of said ejection energy generating elements, said orifices including at least one orifice adjacent to an aimed orifice to which an ink ejection recovery is applied, but excluding said aimed orifice in an arrangement of said plurality of orifices; ink feed means for supplying ink into said recording head; transport means for carrying the recording medium to a recording position of said recording head; means for driving said ejection energy generating elements of said recording head in accordance with processed information to be recorded; and means for controlling said transport means.