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    • 3. 发明授权
    • Liquid detection method and apparatus therefor, ink-jet printing apparatus, and ink detection method for the ink-jet printing apparatus
    • 液体检测方法及其设备,喷墨打印设备和用于喷墨打印设备的油墨检测方法
    • US06540318B1
    • 2003-04-01
    • US09544166
    • 2000-04-06
    • Tetsuhito Ikeda
    • Tetsuhito Ikeda
    • B41J201
    • B41J2/16579B41J2/125B41J2/17566B41J2002/17579
    • Detection of whether or not liquid or a liquid droplet (ink) has passed is realized without contacting the passing liquid or liquid droplet, by providing a radiated-wave detector, arranged near the liquid or liquid droplet, for detecting an infrared ray radiated from the passing liquid or liquid droplet, and a detector for detecting variation of an output value of the radiated-wave detector. Furthermore, the variation of an output value detected by the detector is integrated to obtain the variation amount of the output values, thereby obtaining the amount of liquid or liquid droplet (ink) passed. With the use of the foregoing configuration, further provided is an ink-jet printing apparatus which can accurately determine whether or not ink has been discharged by a printhead and which can measure the amount of ink discharged without contacting the ink, and an ink detection method for the ink-jet printing apparatus.
    • 通过提供布置在液体或液滴附近的辐射波检测器,可以实现液体或液滴(墨水)是否已经通过的检测而不与通过的液体或液滴接触,用于检测从液体或液滴辐射的红外线 通过液体或液滴,以及检测器,用于检测辐射波检测器的输出值的变化。 此外,由检测器检测的输出值的变化被积分以获得输出值的变化量,从而获得通过的液体或液滴(墨水)的量。 通过使用上述结构,还提供了一种喷墨打印设备,其可以精确地确定墨是否已被打印头排出,并且可以测量在不接触墨的情况下排出的墨量,以及墨检测方法 用于喷墨打印设备。
    • 6. 发明授权
    • Recording apparatus and recording position correcting method
    • 记录装置和记录位置校正方法
    • US06607260B1
    • 2003-08-19
    • US09466644
    • 1999-12-20
    • Tetsuhito Ikeda
    • Tetsuhito Ikeda
    • B41J201
    • H04N1/506H04N1/047H04N1/12H04N2201/0468H04N2201/0471H04N2201/04717H04N2201/04732H04N2201/04781H04N2201/04787
    • In a printer for forming an image by means of main scanning as a reciprocating operation of a recording head and sub-scanning as an operation for feeding a recording medium, an image recording position is automatically and accurately corrected in a main scanning direction and a sub-scanning direction. To achieve this, a reference image extending in the sub-scanning direction is first formed at a first predetermined position on the recording medium during a forward operation of the recording head, while particular images are formed at second predetermined positions on the recording medium during the reciprocating main-scanning operations of the recording head, the first predetermined position being different from that of the second predetermined positions. Next, the reference image and each of the images formed during each of the reciprocating operations are read to measure the interval in the main scanning direction between the reference image and each of the images formed on the recording medium during the reciprocating operations in order to calculate the amount of offset of each image recording position during the reciprocating main-scanning operations, thereby correcting data on the recording images or timings for recording on the recording medium.
    • 在用于通过主扫描形成图像的打印机中,作为记录头的往复操作和副扫描作为用于馈送记录介质的操作的图像记录位置,在主扫描方向和子图像上自动且精确地校正图像记录位置 扫描方向。 为了实现这一点,在记录头的正向操作期间,首先在记录介质的第一预定位置处形成在副扫描方向上延伸的参考图像,同时在记录介质的第二预定位置形成特定图像 记录头的往复主扫描操作,第一预定位置与第二预定位置不同。 接下来,读取参考图像和在每个往复操作期间形成的每个图像,以测量在往复操作期间参考图像和在记录介质上形成的每个图像之间的主扫描方向上的间隔,以便计算 在往复式主扫描操作期间每个图像记录位置的偏移量,从而校正记录图像上的数据或记录在记录介质上的记录定时。
    • 7. 发明授权
    • Storage media control circuit and apparatus including same
    • 存储介质控制电路及包括其的设备
    • US07511850B2
    • 2009-03-31
    • US10780630
    • 2004-02-19
    • Tetsuhito Ikeda
    • Tetsuhito Ikeda
    • G06K15/00G06F13/28
    • G06F1/183
    • A storage media control circuit for controlling inputs to and outputs from a plurality of types of storage media of different shapes and specifications is equipped with detection terminals provided for respective ones of the storage media of the plurality of types in order to detect the state of connection of each storage medium, and input/output terminals for inputting data to and outputting data from a storage medium whose connection has been detected by the detection terminals. The number of input/output terminals is made equal to the number of input/output signals of whichever storage medium has the largest number of input/output signals among the storage media of the plurality of types.
    • 用于控制对不同形状和规格的多种类型的存储介质的输入和输出的存储介质控制电路配备有为多种类型的存储介质中的相应存储介质提供的检测端子,以便检测连接状态 以及用于向连接已经被检测端检测到的存储介质输入数据并从其输出数据的输入/输出端子。 输入/输出端子的数量等于多种类型的存储介质中的哪个存储介质具有最大数量的输入/输出信号的输入/输出信号的数量。
    • 9. 发明授权
    • Buffer memory managing method and printing apparatus using the method
    • 缓冲存储器管理方法和使用该方法的打印设备
    • US06441917B1
    • 2002-08-27
    • US08766110
    • 1996-12-16
    • Tetsuhito Ikeda
    • Tetsuhito Ikeda
    • G06K1500
    • G06F5/10G06F5/065G06F12/023G06K15/00G06K15/1805G06K15/1817G06K2215/0005G06K2215/0011
    • In a printing apparatus which performs printing operation in an emulation mode designated by a host computer, data necessary for the designated emulation mode is down-loaded. First, a fixed data buffer size is reserved in accordance with the emulation mode which requires the maximum amount of data to be down-loaded. Then, a ring buffer for receiving data is assigned next to the fixed data buffer. After the data size to be down loaded is determined, portions of area reserved for the fixed data buffer which becomes unnecessary is reassigned as print data buffer. Since the print data buffer is a ring buffer, if no received data is stored at an address which is at the border between the fixed data buffer and the print data buffer, it is possible to move the border. Therefore, the printing apparatus waits until a state of the print data buffer changes to a state in which no received data is stored at the address at the border, then expands the print data ring buffer.
    • 在以主计算机指定的仿真模式进行打印操作的打印装置中,指定的仿真模式所需的数据被下载。 首先,根据需要下载最大数据量的仿真模式来保留固定数据缓冲区大小。 然后,在固定数据缓冲器的旁边分配用于接收数据的环形缓冲器。 在确定要下载的数据大小之后,为不需要的固定数据缓冲器保留的区域的部分被重新分配为打印数据缓冲器。 由于打印数据缓冲器是环形缓冲器,因此如果在固定数据缓冲器和打印数据缓冲器之间的边界处的地址中没有接收到的数据被存储,则可以移动边框。 因此,打印装置等待直到打印数据缓冲器的状态变为在边界的地址处没有接收到的数据被存储的状态,然后扩展打印数据环形缓冲器。