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    • 1. 发明申请
    • PICTURE READING/WRITING HEAD AND INTEGRATED CIRCUIT USED FOR THE SAME
    • 图像读/写头和集成电路
    • WO1998005158A1
    • 1998-02-05
    • PCT/JP1997002642
    • 1997-07-29
    • ROHM CO., LTD.FUJIMOTO, HisayoshiONISHI, Hiroaki
    • ROHM CO., LTD.
    • H04N01/024
    • H04N1/02427H04N1/024H04N1/02463
    • A picture reading/writing head (1) is provided with an integrated circuit (10) for reading equipped with a plurality of light receiving elements which read a picture on an original (D) by receiving reflected light from the original (D) on a picture reading surface set on one surface of a casing (2) through an optical lens (12), a plurality of heating elements (9) which are arranged on the different surface of the casing (2) from the picture reading surface to form a picture on recording paper by generating heat, and an integrated circuit (11) for writing which drives and controls the elements (9). The integrated circuit (10), the heating elements (9), and the integrated circuit (11) are provided on one main surface of a substrate (7) held on the casing (2) and, at the same time, a reflecting means (13) for making the reflected light passed through the lens (12) incident to the light receiving elements is also provided on the main surface.
    • 图像读/写头(1)具有集成电路(10),用于读取装备有通过在原稿(D)上接收来自原稿(D)的反射光的多个光接收元件(D) 通过光学透镜(12)设置在壳体(2)的一个表面上的图像读取表面,多个加热元件(9),其从图像读取表面布置在壳体(2)的不同表面上以形成 通过产生热量在记录纸上的图像,以及用于写入的集成电路(11),其驱动和控制元件(9)。 集成电路(10),加热元件(9)和集成电路(11)设置在保持在壳体(2)上的基板(7)的一个主表面上,并且同时具有反射装置 (13)用于使通过透镜(12)入射到光接收元件的反射光也设置在主表面上。
    • 2. 发明申请
    • METHOD OF AND APPARATUS FOR DRIVING INK JET HEAD
    • 用于驱动喷墨头的方法和装置
    • WO1995016568A1
    • 1995-06-22
    • PCT/JP1994002105
    • 1994-12-14
    • ROHM CO., LTD.FUJII, YasuhisaFUJIMOTO, HisayoshiISHIDA, Nobuhisa
    • ROHM CO., LTD.
    • B41J02/045
    • B41J2/04541B41J2/04581B41J2/04588
    • A method of driving an ink jet head provided with a pressure chamber having an inlet into which ink is introduced, and an ink ejection nozzle; a diaphragm adapted to vary the volume of the pressure chamber; and a piezoelectric element adapted to deform the diaphragm in accordance with a driving voltage applied thereto and carry out the suction and ejection of ink into and from the pressure chamber, which method comprises the steps of sucking ink into the pressure chamber by applying a minimum driving voltage to the piezoelectric element on standby, i.e., in an intermediate driving voltage-applied state; ejecting the ink from the pressure chamber by applying a maximum driving voltage immediately after the completion of the suction step; and switching the ejection step to the standby state by applying an intermediate driving voltage to the piezoelectric element immediately after the completion of the ejection step and thereby drawing the ink from the nozzle back to the pressure chamber against the surface tension thereof.
    • 一种驱动喷墨头的方法,该喷墨头设置有具有引入墨的入口的压力室和喷墨嘴; 适于改变压力室的体积的隔膜; 以及压电元件,其适于根据施加到其上的驱动电压使隔膜变形,并且执行将墨水吸入和从压力室排出的方法,该方法包括以下步骤:通过施加最小驱动力将墨吸入压力室 待机时,即处于中间驱动电压施加状态的压电元件的电压; 通过在完成吸入步骤之后立即施加最大驱动电压从压力室喷射墨水; 并且通过在完成喷射步骤之后立即向压电元件施加中间驱动电压,从而将喷墨步骤切换到待机状态,从而将墨从喷嘴中反射回压力表面张力。
    • 4. 发明申请
    • IMAGE SENSOR CHIP, METHOD FOR MANUFACTURING THE SAME, AND IMAGE SENSOR
    • 图像传感器芯片,其制造方法和图像传感器
    • WO1997039486A1
    • 1997-10-23
    • PCT/JP1997001305
    • 1997-04-15
    • ROHM CO., LTD.FUJIMOTO, HisayoshiMASAOKA, Hiroaki
    • ROHM CO., LTD.
    • H01L27/14
    • H04N5/3577H04N5/3692H04N5/374H04N5/378
    • The manufacture of a substrate for mounting an image sensor chip used at the time of constituting a contact type image sensor is extremely simplified and the analog output of the image sensor can hardly carry noise. A prescribed number of photoelectric conversion elements (28), analog switches (29) which are respectively connected in series with the elements (28), a switching circuit (30) which successively turns on the switches (29) by using clock signals, output loads (31 and 40) which are commonly connected in series with each set of one photoelectric conversion element (28) and its corresponding analog switch (29), an amplifier circuit (32) which amplifies the potentials on the element (28) side of the loads (31 and 40), and, preferably, a resistor R for adjusting the gain of the circuit (32) are integrally assembled as a light receiving section. The gain adjusting resistor R is provided with a plurality of resistors Ra1, Ra2, Ra3, Ra4, Rb1, Rb2, Rb3, and Rb4 connected in series and disconnectable by-pass lines (50) provided for all or part of the resistors.
    • 用于安装构成接触型图像传感器时使用的图像传感器芯片的基板的制造极其简化,并且图像传感器的模拟输出几乎不能携带噪声。 分别与元件(28)串联的规定数量的光电转换元件(28),模拟开关(29),通过使用时钟信号连续接通开关(29)的开关电路(30),输出 通常与每组一个光电转换元件(28)及其对应的模拟开关(29)串联连接的负载(31和40),放大电路(32),其放大元件(28)侧的电位 负载(31和40)以及用于调节电路(32)的增益的电阻R被整体地组​​装成光接收部分。 增益调节电阻R设置有串联连接的多个电阻器Ra1,Ra2,Ra3,Ra4,Rb1,Rb2,Rb3和Rb4以及为全部或部分电阻器提供的可断开的旁路线路(50)。
    • 5. 发明申请
    • INK JET PRINT HEAD AND NOZZLE PLATE USED THEREFOR
    • 喷墨打印头和喷嘴板
    • WO1996013388A1
    • 1996-05-09
    • PCT/JP1995002207
    • 1995-10-26
    • ROHM CO., LTD.FUJIMOTO, Hisayoshi
    • ROHM CO., LTD.
    • B41J02/045
    • B41J2/1623B41J2/14233B41J2/162B41J2/1626B41J2/1632B41J2/1634B41J2002/14362B41J2002/14491B41J2202/19B41J2202/20B41J2202/22
    • An ink jet print head which comprises a plurality of print head elements (1) each having a plurality of ink discharge ports (10), a flat-shaped flexible cord (2) electrically connected to the respective print head elements (1), and an ink distributor (5) for supplying ink to the respective print head elements (1). Each of the print head elements (1) comprises a head element body (11) of resin which is provided at its front wall portion (1a) with the plurality of ink discharge ports (10). Further, both side surfaces (11a) of the respective print head element bodies (11) are provided with a plurality of ink flow passages communicating with the respective ink discharge ports (10), and to which are joined diaphragms (12) which comprise a plurality of piezo-electric devices (13) corresponding to the ink flow passages. The flexible cord (2) is interposed between adjacent print head elements (1), and is provided with a conductive wiring pattern (22) which has output terminals (25) conducting to the piezo-electric devices (13) of the respective print head elements (1).
    • 一种喷墨打印头,包括多个打印头元件(1),每个打印头元件具有多个喷墨口(10),电连接到各个打印头元件(1)的扁平形软线(2),以及 用于向相应的打印头元件(1)供墨的墨水分配器(5)。 每个打印头元件(1)包括在其前壁部分(1a)处设置有多个喷墨口(10)的树脂头元件主体(11)。 此外,各个打印头元件主体(11)的两个侧表面(11a)设置有与各个墨水排放口(10)连通的多个墨水流动通道,并且连接的隔膜(12)包括 多个对应于油墨流动通道的压电装置(13)。 柔性线(2)插入在相邻的打印头元件(1)之间,并且设置有导电布线图案(22),导电布线图案(22)具有导向相应打印头的压电装置(13)的输出端子 元素(1)。