LIQUID LEVEL CONTROL IN AN ACOUSTIC DROPLET EMITTER

    公开(公告)号:CA2281361A1

    公开(公告)日:2000-04-13

    申请号:CA2281361

    申请日:1999-09-01

    Applicant: XEROX CORP

    Inventor: ROY JOY

    Abstract: An acoustic droplet emitter Which a liquid level control plate has a lip in intimate contact with the free surface of a liquid is constructed. The liquid level control plate also has an effective aperture diameter at the exit edge of the plate which is larger than the effective aperture diameter at the lip. This reduces the pressure sensitivity of the free surface of the liquid and allows for the free surface of the liquid to be effectively pinned at the bottom surface of liquid level control plate for wider variations in pressure than using conventional methods.

    5.
    发明专利
    未知

    公开(公告)号:DE69905227D1

    公开(公告)日:2003-03-13

    申请号:DE69905227

    申请日:1999-10-08

    Applicant: XEROX CORP

    Inventor: ROY JOY

    Abstract: An acoustic droplet emitter with a liquid level control plate (42) having a lip in intimate contact with the free surface (18) of a liquid (14) is constructed. The liquid level control plate (42) also has an effective aperture diameter (Aw) at the exit edge of the plate which is larger than the effective aperture diameter at the lip. This reduces the pressure sensitivity of the free surface of the liquid and allows for the free surface of the liquid to be effectively pinned at the bottom surface of liquid level control plate for wider variations in pressure than using conventional methods.

    6.
    发明专利
    未知

    公开(公告)号:DE60000601D1

    公开(公告)日:2002-11-21

    申请号:DE60000601

    申请日:2000-11-16

    Applicant: XEROX CORP

    Abstract: An acoustic printhead comprises a matrix of drop ejectors configured in rows and columns, a plurality of row switches that are connected to control operation of the rows of the drop ejectors, and a plurality of column switches, connected to control operation of the columns of drop ejectors, wherein by selection of an appropriate row switch and column switch, a particular transducer of a specific drop ejector is turned on. The printhead further comprises a controller connected to the plurality of row switches and column switches, and a compensation network connected to the rows and/or columns of drop ejectors.

    7.
    发明专利
    未知

    公开(公告)号:BR9904950A

    公开(公告)日:2000-10-17

    申请号:BR9904950

    申请日:1999-10-11

    Applicant: XEROX CORP

    Inventor: ROY JOY

    Abstract: An acoustic droplet emitter with a liquid level control plate (42) having a lip in intimate contact with the free surface (18) of a liquid (14) is constructed. The liquid level control plate (42) also has an effective aperture diameter (Aw) at the exit edge of the plate which is larger than the effective aperture diameter at the lip. This reduces the pressure sensitivity of the free surface of the liquid and allows for the free surface of the liquid to be effectively pinned at the bottom surface of liquid level control plate for wider variations in pressure than using conventional methods.

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