会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 11. 发明专利
    • Liquid discharge device and liquid discharge method
    • 液体排放装置和液体排放方法
    • JP2009006505A
    • 2009-01-15
    • JP2007167802
    • 2007-06-26
    • Seiko Epson Corpセイコーエプソン株式会社
    • UMEDA ATSUSHI
    • B41J2/045B05C5/00B41J2/055
    • H03K19/017518B41J2/04541B41J2/0455B41J2/04581B41J2/04588H03K17/667H03K19/0008H03K19/0136H03K2217/0036
    • PROBLEM TO BE SOLVED: To save power by using a current source that has a voltage suitable for the voltage of an analog signal and by reducing the consumption power of a charging transistor.
      SOLUTION: The liquid discharge device comprises: (A) an element 52a that operates for the purpose of discharging a liquid according to charging or discharging; (B) an analog signal generating section 41 that generates an analog signal of a voltage change pattern for determining the operation of the element; (C) a charging transistor that is the charging transistor 42a for amplifying the current of the analog signal during the charging of the element and discharging a current to the element, and that has (C1) a current source terminal to which a current source is connected and (C2) a discharge terminal for discharging a current; and (D) a current source connecting section that selects at least one current source from a plurality of current sources according to the voltage of the analog signal and connects it to the current source terminal.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过使用具有适合于模拟信号的电压的电压的电流源并通过降低充电晶体管的功耗来节省功率。 解决方案:液体排出装置包括:(A)用于根据充电或放电来排放液体的元件52a; (B)模拟信号生成部41,生成用于确定元件的动作的电压变化图形的模拟信号; (C)充电晶体管,其是充电晶体管42a,用于在元件充电期间放大模拟信号的电流并向元件放电,并且具有(C1)电流源端子,电流源为 连接和(C2)用于放电的放电端子; 和(D)电流源连接部,根据模拟信号的电压从多个电流源中选择至少一个电流源,并将其连接到电流源极。 版权所有(C)2009,JPO&INPIT
    • 17. 发明专利
    • Output circuit
    • 输出电路
    • JPS59158608A
    • 1984-09-08
    • JP3349783
    • 1983-02-28
    • Pioneer Electronic Corp
    • ISHII SATORU
    • H03F3/217H03F3/20H03K7/02H03K17/00H03K17/0416H03K17/66H03K17/687
    • H03K17/04163H03K17/666H03K17/667H03K17/6871H03K17/6872H03K2217/0036
    • PURPOSE: To obtain an output circuit with good efficiency by inserting an inductive element in series with a switching element of an output stage and providing separately a high speed switching diode for absorbing reverse current.
      CONSTITUTION: Each drain of power MOSFETs Q
      1 , Q
      2 is connected through inductive elements L
      2 , L
      3 and an anode of a diode D
      3 and a cathode of a diode D
      4 are connected to the connecting point of the inductive elements. A cathode of the diode D
      3 and an anode of the diode D
      4 are connected respectively to a positive and a negative power supply. The inductive elements L
      2 , L
      3 have an inductance (≤2μH) being a value to the extent not affecting the normal switching operation and an air-core coil or bead core, for example, is used as the inductive elements. Further, the diodes D
      3 , D
      4 are of high speed switching and elements having ≤several tens of nsec. of reverse recovery time are used for example.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过将感应元件与输出级的开关元件串联插入,并分别提供用于吸收反向电流的高速开关二极管,以获得高效率的输出电路。 构成:功率MOSFET Q1,Q2的每个漏极通过电感元件L2,L3连接,二极管D3的阳极和二极管D4的阴极连接到电感元件的连接点。 二极管D3的阴极和二极管D4的阳极分别连接到正电源和负电源。 电感元件L2,L3具有不影响正常开关操作的程度的值的电感(<= 2muH),并且例如使用空心线圈或胎圈芯作为电感元件。 此外,二极管D3,D4具有高速切换和具有<=几十nsec的元件。 例如使用反向恢复时间。
    • 18. 发明专利
    • Current driving circuit
    • 当前驱动电路
    • JPS59154614A
    • 1984-09-03
    • JP2896783
    • 1983-02-23
    • Hitachi Ltd
    • SATOU NAOKIKAMO YOSHIHISAKATOU YASUHIROSHIGEMATA KAZUHIROARAI SHINICHI
    • G11B5/02G11B5/09H03K17/60H03K17/66
    • H03K17/603G11B5/02H03K17/667
    • PURPOSE: To obtain a current driving circuit where number of terminals led out from a load is decreased, a load current is inverted in a high speed and whose reliability is improved by a simplified assembling procees, by fixing potential at one side of the load and driving the load only from another side not fixed.
      CONSTITUTION: The potential 22 of one terminal of the load (head) 7 is fixed to VL. Further a DC current IL
      1 is flowed to the unfixed side terminal 21 of the load 7 and a current IL
      2 obtained by switching repetitively a current IS
      2 being double in the amplitude of the IL
      1 in response to input signals G3, G4 is flowed to the unfixed side terminal 21 at the same time so as to form a load current IL=IL
      1 +IL
      2 . Through the constitution above, the one terminal of the load 7 is used in common, further the number of current switching sections is decreased, a high speed current driving circuit is realized and also the assembling process is simplified.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了获得从负载引出的端子数量减少的电流驱动电路,负载电流以高速转换,并且通过简化的组装过程来改善其可靠性,通过固定负载一侧的电位和 仅从另一侧驱动负载不固定。 构成:负载(磁头)7的一个端子的电位22固定在VL上。 此外,直流电流IL1流向负载7的未固定侧端子21,并且通过响应于输入信号G3,G4重复地切换IL1振幅的电流IS2而获得的电流IL2流向未固定侧 端子21同时形成负载电流IL = IL1 + IL2。 通过上述结构,共同使用负载7的一个端子,此外,电流开关部分的数量减少,实现高速电流驱动电路,并且组装过程简化。