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41. 发明授权

US5121082A Buffer circuit 失效
标题翻译：缓冲电路
公开(公告)号：US5121082A
公开(公告)日：1992-06-09
申请号：US625473
申请日：1990-12-11
申请人： Akira Matsuzawa
发明人： Akira Matsuzawa
IPC分类号： H03F1/34 , H03F3/50
CPC分类号： H03F3/50
摘要： A buffer circuit includes an operational amplifier circuit, a first emitter follower circuit whose base is driven by an output of the operational amplifier circuit and whose output is fed back to an inverting input terminal of the operational amplifier circuit, and a second emitter follower circuit whose base is also driven by the output of the operational amplifier circuit and whose output drives a load circuit. In another form, the buffer circuit also includes a current control circuit that detects operation current flowing through the second emitter follower circuit, thereby controlling the operation current flowing through the first emitter follower circuit.
摘要翻译：缓冲电路包括运算放大器电路，其基极由运算放大器电路的输出驱动并且其输出反馈到运算放大器电路的反相输入端的第一射极跟随器电路，以及第二射极跟随器电路，基极也由运算放大器电路的输出驱动，其输出驱动负载电路。在另一种形式中，缓冲电路还包括电流控制电路，其检测流过第二射极跟随器电路的工作电流，从而控制流过第一射极跟随器电路的工作电流。

42. 发明授权

US4496935A Analog-digital converter with linear characteristic restoration circuit 失效
标题翻译：具有线性特征恢复电路的模拟数字转换器
公开(公告)号：US4496935A
公开(公告)日：1985-01-29
申请号：US368814
申请日：1982-04-15
申请人： Michihiro Inoue , Akira Matsuzawa , Toyoki Takemoto
发明人： Michihiro Inoue , Akira Matsuzawa , Toyoki Takemoto
IPC分类号： H03M1/36 , H03M1/00 , H03K13/175
CPC分类号： H03M1/06 , H03M1/361
摘要： A parallel type analog-digital converter having a plural number (1023) of comparators, a first voltage divider comprising a plural number (1023) of resistors (R.sub.1 to R.sub.1023) connected in series across positive and negative terminals of a power source thereby feeding reference voltages from the junction points to the comparators, the apparatus further comprisesa second voltage divider comprising a second plural number (8) of resistors (r.sub.1, r.sub.2 . . . r.sub.8) connected in series across the voltage feeding terminals thereby feeding input voltages to input terminals of the current amplifiers D.sub.1, D.sub.2 . . . D.sub.8, the output of which is given to the corresponding junction points of the first voltage divider, thereby to equalize voltages of said first voltage divider with voltages of corresponding junction points of said second voltage divider.
摘要翻译：一种具有多个（1023）比较器的并联型模拟数字转换器，包括多个（1023）电阻器（R1至R1023）的第一分压器，其串联连接在电源的正极和负极端子上，从而馈送基准电压从结点到比较器，该装置还包括一个第二分压器，包括在电压馈电端子上串联连接的第二多个（8）电阻器（r1，r2 ... r8），从而将输入电压馈送到输入端电流放大器D1，D2的端子。。。 D8，其输出被提供给第一分压器的对应连接点，从而使所述第一分压器的电压与所述第二分压器的对应连接点的电压相等。

43. 发明申请

US20110215959A1 COMPARATOR AND ANALOG/DIGITAL CONVERTER 有权
标题翻译：比较器和模拟/数字转换器
公开(公告)号：US20110215959A1
公开(公告)日：2011-09-08
申请号：US13127141
申请日：2009-10-28
申请人： Akira Matsuzawa , Masaya Miyahara
发明人： Akira Matsuzawa , Masaya Miyahara
IPC分类号： H03M1/36 , H03K5/26
CPC分类号： H03K5/2481 , H03K3/356139 , H03K5/249 , H03M1/0682 , H03M1/204 , H03M1/365
摘要： To provide a comparator and an A/D converter having the comparator. The comparator includes a differential amplifier circuit section and a differential latch circuit section. A first input voltage signal, a second input voltage signal and a clock signal are inputted to the differential amplifier circuit section. The differential amplifier circuit section operates base on the clock signal to output a first output voltage signal and a second output voltage signal which respectively correspond to the value the input voltage signal and the value of the reference voltage signal and are amplified. The differential latch circuit section operates based on the first and second output voltage signals to keep and output a comparison result between the first input voltage signal and the second input voltage signal.
摘要翻译：提供具有比较器的比较器和A / D转换器。比较器包括差分放大器电路部分和差分锁存电路部分。第一输入电压信号，第二输入电压信号和时钟信号被输入到差分放大器电路部分。差分放大器电路部分基于时钟信号进行工作，以输出分别对应于输入电压信号的值和参考电压信号的值并被放大的第一输出电压信号和第二输出电压信号。差分锁存电路部分基于第一和第二输出电压信号进行工作，以保持并输出第一输入电压信号和第二输入电压信号之间的比较结果。

44. 发明授权

US07909439B2 Liquid ejecting head and liquid ejecting apparatus 有权
标题翻译：液体喷头和液体喷射装置
公开(公告)号：US07909439B2
公开(公告)日：2011-03-22
申请号：US12409426
申请日：2009-03-23
申请人： Akemi Hirano , Akira Matsuzawa
发明人： Akemi Hirano , Akira Matsuzawa
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2/161 , B41J2/1629 , B41J2/1631 , B41J2202/11
摘要： A liquid ejecting head includes: a flow passage forming substrate which is provided with a plurality of liquid passages each having a pressure generating chamber communicating with a nozzle opening for ejecting a liquid and a communication section communicating with the plurality of liquid passages; an elastic film which is formed on one surface of the flow passage forming substrate and has an opening in an area opposed to the communication section; a pressure generating unit which applies pressure to the inside of the pressure generating chambers; and a reservoir forming substrate which is adhered onto the surface of the flow passage forming substrate on a side of the pressure generating unit and is provided with a reservoir section communicating with the communication section to form a part of a reservoir. An intermediate layer patterned inward from the opening of the elastic film is formed in an area which is a periphery of the communication section on the elastic film and corresponds to the liquid passages, and the flow passage forming substrate and the reservoir forming substrate are adhered to each other through the intermediate layer. An end portion of the intermediate layer on a side of the opening of the elastic film is formed as a tapered portion of which a thickness is gradually smaller, and a cross-section shape in a direction which the thickness of the tapered portion is gradually smaller is a concavely curved plane.
摘要翻译：液体喷射头包括：流路形成基板，设置有多个液体通道，每个液体通道具有与用于喷射液体的喷嘴开口连通的压力产生室和与多个液体通道连通的连通部分; 弹性膜，其形成在所述流路形成基板的一个表面上，并且在与所述连通部相对的区域中具有开口; 压力产生单元，其向压力发生室的内部施加压力; 以及在压力发生单元一侧粘附到流路形成基板的表面上的储液器形成基板，并且设置有与连通部连通以形成储存器的一部分的储存部。从弹性膜的开口向内构图的中间层形成在作为弹性膜上的连通部的周围的区域中，并且与液体通路对应，并且流路形成基板和储存器形成基板被粘接到彼此通过中间层。弹性膜的开口侧的中间层的端部形成为厚度逐渐变小的锥形部分，锥形部分的厚度方向上的截面形状逐渐变小是一个凹曲面的平面。

45. 发明授权

US07705763B2 A-D convert apparatus 失效
标题翻译： A-D转换装置
公开(公告)号：US07705763B2
公开(公告)日：2010-04-27
申请号：US12176422
申请日：2008-07-21
申请人： Yasuhide Kuramochi , Akira Matsuzawa
发明人： Yasuhide Kuramochi , Akira Matsuzawa
IPC分类号： H03M1/38
CPC分类号： H03M1/125 , H03M1/462
摘要： Provided is an AD conversion apparatus including a bit selecting section that sequentially selects conversion target bits of the output data, from an upper bit downward; a data control section that outputs comparison data determining a value of the conversion target bit, each time a conversion target bit is selected; a DA converting section that outputs an analog comparison signal corresponding to the comparison data; a timing generating section that outputs a comparison control signal ordering comparison initiation; a changing section that changes a timing of the comparison control signal according to a bit position of the conversion target bit, such that the timing of the comparison initiation indicated by the comparison control signal is later for higher conversion target bits; a comparing section that begins comparing the input signal to the comparison signal at the comparison initiation timing indicated by the comparison control signal having the timing changed by the changing section; and a completion detecting section that outputs a completion signal causing the bit selecting section to select a next conversion target bit, after the comparing section has output the comparison result.
摘要翻译：提供了一种AD转换装置，包括：位选择部，从上位向下依次选择输出数据的转换目标位; 数据控制部，每当选择转换目标位时，输出确定转换目标位的值的比较数据; DA转换部，其输出与比较数据对应的模拟比较信号; 定时产生部，其输出比较控制信号排序比较开始; 改变部分，根据转换目标比特的比特位置改变比较控制信号的定时，使得由比较控制信号指示的比较开始的定时稍后用于更高的转换目标比特; 比较部，其在比较控制信号由比较控制信号所表示的比较信号中开始比较输入信号与比较信号，该比较控制信号具有由变化部分改变的定时; 以及完成检测部分，在比较部分输出了比较结果之后，输出使比特选择部分选择下一个转换目标比特的完成信号。

46. 发明授权

US07686421B2 Fluid injection head, method of manufacturing the injection head, and fluid injection device 有权
标题翻译：流体注射头，注射头的制造方法和流体注射装置
公开(公告)号：US07686421B2
公开(公告)日：2010-03-30
申请号：US10520662
申请日：2003-07-10
申请人： Takeshi Yasoshima , Masato Shimada , Akira Matsuzawa
发明人： Takeshi Yasoshima , Masato Shimada , Akira Matsuzawa
IPC分类号： B41J2/135 , B41J2/045 , G01D15/00 , G11B5/127
CPC分类号： B41J2/161 , B41J2/14233 , B41J2/1606 , B41J2/1623 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1635 , B41J2/1642 , B41J2/1646 , B41J2002/14241 , B41J2002/14419 , B41J2002/14491
摘要： Provided is a liquid jet head, a method of manufacturing the same, and a liquid jet apparatus, in which liquid ejecting characteristics can be kept constant for a long period and in which nozzle blockage is prevented. In a liquid jet head including a passage-forming substrate (10) which is made of a single crystal silicon substrate and in which pressure generating chambers (12) communicating with nozzle orifices are formed, and pressure generating elements (300) for causing pressure changes in the pressure generating chambers (12), a protective film (100) which is made of tantalum oxide and has resistance to liquid, is provided at least on the inner wall surfaces of the pressure generating chambers (12).
摘要翻译：本发明提供一种液体喷射头及其制造方法以及液体喷射装置，其中液体喷射特性可以长期保持恒定，并且防止喷嘴阻塞。在包括由单晶硅基板制成的通道形成基板（10）的液体喷射头中，其中形成有与喷嘴孔连通的压力产生室（12）和用于引起压力变化的压力产生元件（300）在压力发生室（12）中，至少在压力发生室（12）的内壁面上设置有由氧化钽制成并具有耐液体性的保护膜（100）。

47. 发明申请

US20090273653A1 LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS 有权
标题翻译：液体喷射和液体喷射装置
公开(公告)号：US20090273653A1
公开(公告)日：2009-11-05
申请号：US12409426
申请日：2009-03-23
申请人： Akemi Hirano , Akira Matsuzawa
发明人： Akemi Hirano , Akira Matsuzawa
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2/161 , B41J2/1629 , B41J2/1631 , B41J2202/11
摘要： A liquid ejecting head includes: a flow passage forming substrate which is provided with a plurality of liquid passages each having a pressure generating chamber communicating with a nozzle opening for ejecting a liquid and a communication section communicating with the plurality of liquid passages; an elastic film which is formed on one surface of the flow passage forming substrate and has an opening in an area opposed to the communication section; a pressure generating unit which applies pressure to the inside of the pressure generating chambers; and a reservoir forming substrate which is adhered onto the surface of the flow passage forming substrate on a side of the pressure generating unit and is provided with a reservoir section communicating with the communication section to form a part of a reservoir. An intermediate layer patterned inward from the opening of the elastic film is formed in an area which is a periphery of the communication section on the elastic film and corresponds to the liquid passages, and the flow passage forming substrate and the reservoir forming substrate are adhered to each other through the intermediate layer. An end portion of the intermediate layer on a side of the opening of the elastic film is formed as a tapered portion of which a thickness is gradually smaller, and a cross-section shape in a direction in which the thickness of the tapered portion is gradually smaller is a concavely curved plane.
摘要翻译：液体喷射头包括：流路形成基板，设置有多个液体通道，每个液体通道具有与用于喷射液体的喷嘴开口连通的压力产生室和与多个液体通道连通的连通部分; 弹性膜，其形成在所述流路形成基板的一个表面上，并且在与所述连通部相对的区域中具有开口; 压力产生单元，其向压力发生室的内部施加压力; 以及在压力发生单元一侧粘附到流路形成基板的表面上的储液器形成基板，并且设置有与连通部连通以形成储存器的一部分的储存部。从弹性膜的开口向内构图的中间层形成在作为弹性膜上的连通部的周围的区域中，并且与液体通路对应，并且流路形成基板和储存器形成基板被粘接到彼此通过中间层。弹性膜的开口侧的中间层的端部形成为其逐渐变细的锥形部分，并且渐缩部的厚度逐渐变细的方向的截面形状较小的是凹曲面的平面。

48. 发明授权

US07609184B2 D-A convert apparatus and A-D convert apparatus 失效
标题翻译： D-A转换装置和A-D转换装置
公开(公告)号：US07609184B2
公开(公告)日：2009-10-27
申请号：US11937491
申请日：2007-11-08
申请人： Yasuhide Kuramochi , Akira Matsuzawa
发明人： Yasuhide Kuramochi , Akira Matsuzawa
IPC分类号： H03M1/06
CPC分类号： H03M1/1047 , H03M1/468 , H03M1/68 , H03M1/804
摘要： Provided is a D-A conversion apparatus that outputs an analog output voltage according to digital input data, which includes a capacitance array main D-A converter that supplies a main voltage according to the input data to an output terminal of the D-A conversion apparatus, a correction data output section that outputs correction data according to the input data, a capacitance array correction D-A converter that outputs a correction voltage according to the correction data, and a voltage dividing capacitor connected serially between an output end of the correction D-A converter and an output end of the main D-A converter.
摘要翻译：提供一种DA转换装置，其根据数字输入数据输出模拟输出电压，该数字输入数据包括电容阵列主DA转换器，其将根据输入数据的主电压提供给DA转换装置的输出端，校正数据输出根据输入数据输出校正数据的部分，根据校正数据输出校正电压的电容阵列校正DA转换器，以及串联连接在校正DA转换器的输出端和输出端之间的分压电容器主DA转换器

49. 发明申请

US20090185011A1 LIQUID JET HEAD AND A LIQUID JET APPARATUS 有权
标题翻译：液体喷射头和液体喷射装置
公开(公告)号：US20090185011A1
公开(公告)日：2009-07-23
申请号：US12355639
申请日：2009-01-16
申请人： Akira Matsuzawa
发明人： Akira Matsuzawa
IPC分类号： B41J2/045
CPC分类号： B41J2/161 , B41J2/14233 , B41J2/1628 , B41J2/1629 , B41J2002/14241 , B41J2002/14491
摘要： In a passage forming substrate 10, a plurality of pressure generating chambers 12 being formed of a silicon substrate, in which a crystal face orientation of a surface is a (110) plane, and individually communicating with nozzles 21 ejecting liquid droplets are arranged in parallel. Piezoelectric elements 300 are each formed on one surface of the passage forming substrate 10 with a vibration plate interposed therebetween and each includes a lower electrode film 60, a piezoelectric layer 70, and an upper electrode film 80. In each of the pressure generating chambers 12, an end surface in a width direction thereof is formed of a first (111) plane perpendicular to the (110) plane and an end surface 12a in a longitudinal direction thereof is formed of a second (111) plane inclined by a predetermined angle with respect to the first (111) plane. In addition, an end 60a of the lower electrode film 60 and an end 80a of the upper electrode film 80 in the longitudinal direction of the pressure generating chamber are located inside the pressure generating chamber 12 and formed in parallel to the end surface 12a in the longitudinal direction of the pressure generating chamber 12.
摘要翻译：在通路形成基板10中，多个压力发生室12由硅基板形成，其中表面的晶面取向为（110）面，并且与喷射液滴的喷嘴21分别连通地平行布置。压电元件300分别在通道形成基板10的一个表面上形成有振动板，每个压电元件300包括下电极膜60，压电层70和上电极膜80.在每个压力发生室12 ，其宽度方向的端面由垂直于（110）面的第一（111）面形成，其长度方向的端面12a由与第一（111）面倾斜一定角度的第二（111）面形成，尊重第一（111）飞机。此外，下电极膜60的端部60a和上电极膜80在压力发生室的纵向方向上的端部80a位于压力产生室12的内部，并且与端面12a平行地形成在压力发生室12的纵向。

50. 发明申请

US20080143574A1 A-D converter, A-D convert method, and A-D convert program 有权
标题翻译： A-D转换器，A-D转换方式和A-D转换程序
公开(公告)号：US20080143574A1
公开(公告)日：2008-06-19
申请号：US11520436
申请日：2006-09-13
申请人： Yasuhide Kuramochi , Akira Matsuzawa
发明人： Yasuhide Kuramochi , Akira Matsuzawa
IPC分类号： H03M1/12
CPC分类号： H03M1/0643 , A61K38/00 , C07K1/22 , C07K14/75 , H03M1/0658 , H03M1/144 , H03M1/361 , H03M1/46 , H03M1/804
摘要： There is provided an A-D converter that outputs a digital output signal obtained by digitalizing an analog input signal. The converter includes a plurality of comparators that each compares the analog input signal and an analog threshold value according to designated digital threshold data, a high-order field determining section that narrows down a data value corresponding to a high-order field of a predetermined bit number in the digital output signal based on a plurality of comparison results obtained by supplying threshold data different from one another to the plurality of comparators, a low-order field computing section that computes a plurality of candidate values for a data value corresponding to a low-order field of a predetermined bit number located at a side lower than the high-order field by means of the plurality of comparators, and a low-order field determining section that determines a data value corresponding to the low-order field based on the plurality of candidate values.
摘要翻译：提供了A-D转换器，其输出通过对模拟输入信号进行数字化而获得的数字输出信号。转换器包括多个比较器，每个比较器各自根据指定的数字阈值数据来比较模拟输入信号和模拟阈值，高阶场确定部分缩小与预定位的高阶场相对应的数据值基于通过向多个比较器提供彼此不同的阈值数据而获得的多个比较结果的数字输出信号中的数字;低阶场计算部分，计算与低电平对应的数据值的多个候选值通过多个比较器位于低于高阶场的一侧的预定比特数的正序字段，以及低阶场确定部，其基于所述低阶场确定对应于低阶场的数据值多个候选值。

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