Temperature control of thermal inkjet printheads by using synchronous
non-nucleating pulses
    3.
    发明授权
    Temperature control of thermal inkjet printheads by using synchronous non-nucleating pulses 失效
    使用同步非成核脉冲对热喷墨打印头进行温度控制

    公开(公告)号:US5736995A

    公开(公告)日:1998-04-07

    申请号:US520225

    申请日:1995-08-28

    IPC分类号: B41J2/05

    摘要: A technique for controlling print quality in an inkjet printer by delivering synchronized heating, non-printing pulses and printing pulses to the ink firing resistors during print firing operations such as during the printing of a swath. A temperature of the printhead substrate is measured and compared against a reference temperature during printing operations. If the measured temperature is below the reference temperature, then the printhead substrate is heated during the printing operations to bring the substrate up to the reference temperature. The heating is done by delivering synchronized heating non-printing pulses and printing pulses to the ink firing resistors during selected print firing periods, wherein either the heating pulses or the printing pulses, but not both, occur during a selected print firing period. The heating pulses are logically OR-ed with the printing pulses to achieve the synchronization.

    摘要翻译: 一种用于通过在诸如在打印条带期间的打印操作期间通过将同步加热,非打印脉冲和打印脉冲传送到喷墨电阻器来控制喷墨打印机中的打印质量的技术。 在打印操作期间测量打印头基板的温度并与参考温度进行比较。 如果测量的温度低于参考温度,则打印头基板在打印操作期间被加热,以使基板达到参考温度。 加热是通过在所选择的打印发射周期期间将同步的加热非打印脉冲和打印脉冲递送到喷墨电阻器来完成的,其中加热脉冲或打印脉冲,而不是两者都在选定的打印发射周期期间发生。 加热脉冲与打印脉冲进行逻辑或运算,以实现同步。

    BATTERY CHARGING SYSTEM AND METHOD
    4.
    发明申请
    BATTERY CHARGING SYSTEM AND METHOD 失效
    电池充电系统及方法

    公开(公告)号:US20110241623A1

    公开(公告)日:2011-10-06

    申请号:US13075137

    申请日:2011-03-29

    IPC分类号: H02J7/04

    CPC分类号: H02J7/0018

    摘要: A battery charging system and method, includes a high voltage charger for charging a group or string of series connected battery cells, and a group of individual cell chargers for charging individual ones of the cells. The charging technique includes detecting at least one cell being charged to a predetermined voltage, and then inhibiting the high voltage charger from further charging any of the cells. The individual cell chargers charge individual ones of the cells, except the at least one cell charged to the predetermined voltage.

    摘要翻译: 一种电池充电系统和方法,包括用于对串联连接的电池单元的组或串进行充电的高压充电器,以及用于对单个电池单体充电的一组单独的电池充电器。 充电技术包括检测至少一个被充电到预定电压的电池,然后禁止高电压充电器进一步对任何电池充电。 单个电池充电器对单个电池充电,除了充电到预定电压的至少一个电池。

    Method for forming a bipolar integrated ink jet printhead driver
    5.
    发明授权
    Method for forming a bipolar integrated ink jet printhead driver 失效
    用于形成双极集成喷墨打印头驱动器的方法

    公开(公告)号:US5681764A

    公开(公告)日:1997-10-28

    申请号:US729066

    申请日:1996-10-10

    摘要: A bipolar ink jet driver circuit includes a plurality of individual driver cells having a common collector and a resistive heater element. A common collector obviates the need for any isolation between adjacent driver cells. The driver cells each include two bipolar transistors configured as a Darlington pair, which drive an associated resistive heater element. The cells are grouped together to form individual driver circuits each having a control line for enabling each driver circuit. The cells within each driver circuit are individually addressable via address lines which are coupled to each of the driver elements. The resistive heater elements are actuated by enabling a driver circuit and addressing a driver cell within the enabled driver circuit.

    摘要翻译: 双极喷墨驱动器电路包括具有公共集电极和电阻加热器元件的多个单独的驱动器单元。 公共收集器避免了在相邻驱动器单元之间的任何隔离的需要。 驱动器单元每个包括配置为达林顿对的两个双极晶体管,其驱动相关联的电阻加热器元件。 这些单元被分组在一起以形成各自具有用于启用每个驱动器电路的控制线的驱动器电路。 每个驱动器电路中的单元可通过耦合到每个驱动器元件的地址线单独寻址。 电阻加热器元件通过启用驱动器电路并且寻址启用的驱动器电路内的驱动器单元来启动。

    Variable halftone operation inkjet printheads
    6.
    发明授权
    Variable halftone operation inkjet printheads 失效
    可变半色调操作喷墨打印头

    公开(公告)号:US5642142A

    公开(公告)日:1997-06-24

    申请号:US522803

    申请日:1995-08-31

    摘要: A simple and inexpensive method for halftone printing by an inkjet printer is disclosed. Improved halftone printing in an inkjet printer is provided by varying the ink drop volume of an thermal inkjet printhead by controlling the pulse width of the delivered firing pulses.

    摘要翻译: 公开了一种通过喷墨打印机进行半色调打印的简单和便宜的方法。 通过通过控制所输送的点火脉冲的脉冲宽度来改变热喷墨打印头的墨滴体积来提供喷墨打印机中的改进的半色调打印。

    Bipolar integrated ink jet printhead driver
    7.
    发明授权
    Bipolar integrated ink jet printhead driver 失效
    双极集成喷墨打印头驱动

    公开(公告)号:US5598189A

    公开(公告)日:1997-01-28

    申请号:US118104

    申请日:1993-09-07

    摘要: A bipolar ink jet driver circuit includes a plurality of individual driver cells having a common collector and a resistive heater element. A common collector obviates the need for any isolation between adjacent driver cells. The driver cells each include two bipolar transistors configured as a Darlington pair, which drive an associated resistive heater element. The cells are grouped together to form individual driver circuits each having a control line for enabling each driver circuit. The cells within each driver circuit are individually addressable via address lines which are coupled to each of the driver elements. The resistive heater elements are actuated by enabling a driver circuit and addressing a driver cell within the enabled driver circuit.

    摘要翻译: 双极喷墨驱动器电路包括具有公共集电极和电阻加热器元件的多个单独的驱动器单元。 公共收集器避免了在相邻驱动器单元之间的任何隔离的需要。 驱动器单元每个包括配置为达林顿对的两个双极晶体管,其驱动相关联的电阻加热器元件。 这些单元被分组在一起以形成各自具有用于启用每个驱动器电路的控制线的驱动器电路。 每个驱动器电路中的单元可通过耦合到每个驱动器元件的地址线单独寻址。 电阻加热器元件通过启用驱动器电路并且寻址启用的驱动器电路内的驱动器单元来启动。

    Control of energy to thermal inkjet heating elements
    9.
    发明授权
    Control of energy to thermal inkjet heating elements 失效
    对热油加热元件的能量控制

    公开(公告)号:US5187500A

    公开(公告)日:1993-02-16

    申请号:US577911

    申请日:1990-09-05

    IPC分类号: B41J2/05 B41J2/14 B41J2/21

    摘要: A thermal ink jet printhead including a substrate, a resistor layer on the substrate having ink drop firing resistors and energy controlling resistors defined therein, a metallization layer adjacent the resistor layer and having metallic interconnections formed therein for providing serial energy controlling connections between predetermined ones of the ink drop firing resistors and predetermined ones of the energy controlling resistors, a plurality of ink containing chambers respectively formed over the metallization layer adjacent respective ones of the ink drop firing resistors, and an orifice plate secured over the chambers and containing a plurality of nozzles respectively associated with the chambers.

    Battery charging system and method
    10.
    发明授权
    Battery charging system and method 失效
    电池充电系统及方法

    公开(公告)号:US08564246B2

    公开(公告)日:2013-10-22

    申请号:US13075137

    申请日:2011-03-29

    IPC分类号: H02J7/00

    CPC分类号: H02J7/0018

    摘要: A battery charging system and method, includes a high voltage charger for charging a group or string of series connected battery cells, and a group of individual cell chargers for charging individual ones of the cells. The charging technique includes detecting at least one cell being charged to a predetermined voltage, and then inhibiting the high voltage charger from further charging any of the cells. The individual cell chargers charge individual ones of the cells, except the at least one cell charged to the predetermined voltage.

    摘要翻译: 一种电池充电系统和方法,包括用于对串联连接的电池单元的组或串进行充电的高压充电器,以及用于对单个电池单体充电的一组单独的电池充电器。 充电技术包括检测至少一个被充电到预定电压的电池,然后禁止高电压充电器进一步对任何电池充电。 单个电池充电器对单个电池充电,除了充电到预定电压的至少一个电池。