公开(公告)号：JP2013195287A

公开(公告)日：2013-09-30

申请号：JP2012064124

申请日：2012-03-21

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： ISHIDA AKITO ,  MASUDA YOSHIFUMI

IPC: G01B11/00 ,  B65H7/14

Abstract: PROBLEM TO BE SOLVED: To prevent detection of a displacement amount from being affected by errors.SOLUTION: A displacement detection device includes a light-emitting part 11 that irradiates the surface of a moving object with light, and an image sensor 12 that takes reflectance from the surface of the moving object into a light reception region as an image periodically, derives the displacement amount of the moving object from the movement amount of the taken-in image in the light reception region. The image sensor 12 adjusts the image taking-in period according to the movement speed of the moving object.

Abstract translation: 要解决的问题：防止位移量的检测受到误差的影响。解决方案：位移检测装置包括：用光照射移动物体的表面的发光部分11和具有反射率的图像传感器12 从移动物体的表面周期性地进入作为图像的光接收区域，从光接收区域中的被摄取图像的移动量​​导出移动物体的位移量。 图像传感器12根据移动体的移动速度调整图像摄取期间。

公开(公告)号：JP2012089067A

公开(公告)日：2012-05-10

申请号：JP2010237455

申请日：2010-10-22

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: G06F3/033 ,  G06F3/02 ,  H04M1/23

Abstract: PROBLEM TO BE SOLVED: To provide a pointing device which is made into thin shape.SOLUTION: A pointing device 1 includes a light source 2 which is provided on a light source substrate 11 and irradiates a subject 2 with light 13, an imaging device 3 which converts reflection light from the subject 12 into an electric signal, and a flexible substrate 4 which is disposed at a side opposite to the light source 2 with respect to the light source substrate 11 in order to extract the electric signal. The pointing device further includes a sheet switch 5 which is closed in response to pressing the pointing device 1 with the subject 12, and the sheet switch 5 has a dome member 6 which is elastic and conductive and protrudes from the light source substrate 11 toward the flexible substrate 4, an electrode 8 connected to an end face of the dome member 6, and an electrode 7 which is covered with the dome member 6 and disposed at a position away from the electrode 8. A hole 10 is formed with which a position where the dome member 6 is elastically deformed and brought into contact with the electrode 7 in responce to pressing the pointing device 1 with the subject 12, can be arranged at a side of the light source substrate 11 rather than the flexible substrate 4.

Abstract translation: 要解决的问题：提供制成薄形状的指示装置。 指示装置1包括：设置在光源基板11上并对被检体2照射光13的光源2，将来自被检体12的反射光转换为电信号的摄像装置3，以及 柔性基板4，其设置在相对于光源基板11的与光源2相反的一侧，以便提取电信号。 指示装置还包括片材开关5，其响应于用对象12对指示装置1的按压而闭合，并且片材开关5具有弹性和导电的圆顶构件6，并且从光源基板11朝向 柔性基板4，连接到圆顶构件6的端面的电极8和被圆顶构件6覆盖并设置在远离电极8的位置的电极7.形成孔10， 其中穹顶构件6弹性变形并与电极7接触以响应于用对象12对指示装置1按压，可以布置在光源基板11的一侧而不是柔性基板4上。

版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2008005161A

公开(公告)日：2008-01-10

申请号：JP2006171805

申请日：2006-06-21

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H04B10/40 ,  H01L33/00 ,  H01L33/12 ,  H04B10/2507 ,  H04B10/50 ,  H04B10/524 ,  H04B10/60

Abstract: PROBLEM TO BE SOLVED: To obtain a light emitting diode driving circuit which can perform high precision light signal transmission, even if power source voltage changes and main input threshold voltage changes.
SOLUTION: The light emitting diode driving circuit 3 comprises an input buffer circuit 4 with a main input buffer unit 6 which performs waveform shaping of an electrical signal based on the changing main input threshold voltage. The circuit has a sub input buffer unit 15. The sub input buffer unit 15 performs waveform shaping of the electrical signal given from outside based on the unchanging sub input threshold voltage which does not change, and inputs the electrical signal after the waveform shaping to the main input buffer unit 6.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：即使电源电压变化并且主输入阈值电压改变，也可以获得能够执行高精度光信号传输的发光二极管驱动电路。 解决方案：发光二极管驱动电路3包括具有主输入缓冲单元6的输入缓冲电路4，主输入缓冲单元6基于改变的主输入阈值电压执行电信号的波形整形。 电路具有子输入缓冲器单元15.子输入缓冲器单元15基于不改变的不变的子输入阈值电压来执行从外部给出的电信号的波形整形，并且将波形整形之后的电信号输入到 主输入缓冲单元6.版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2007173654A

公开(公告)日：2007-07-05

申请号：JP2005371179

申请日：2005-12-23

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H01L33/48 ,  H01L33/56 ,  H01L33/62 ,  H04B10/40 ,  H04B10/50 ,  H04B10/60

CPC classification number: H01L2224/32225 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2924/00014 ,  H01L2924/00

Abstract: PROBLEM TO BE SOLVED: To provide an optical transmission device which can prevent increase in a size and complicatedness in a drive IC process, and an optical transmission apparatus having the optical transmission device.
SOLUTION: The optical transmission device 20 includes a light-emitting diode 22a, and a drive IC 10 which drives the light-emitting diode 22a and has a built-in trimming circuit for adjusting the characteristics of the drive IC 10 in combination with the light-emitting diode 22a. The light-emitting diode 22a and the drive IC 10 are sealed integrally on a glass board 26. Trimming patterns 29 connected to respective terminals of the trimming circuit are formed on the glass board 26 to be arranged within the glass board 26.
COPYRIGHT: (C)2007,JPO&INPIT

Abstract translation: 解决的问题：提供一种可以防止驱动IC处理的尺寸和复杂度增加的光传输装置，以及具有该光传输装置的光传输装置。 解决方案：光传输装置20包括发光二极管22a和驱动集成电路10的驱动IC10，该驱动IC10驱动发光二极管22a并具有内置微调电路，用于组合地调节驱动IC 10的特性 与发光二极管22a。 发光二极管22a和驱动IC10一体地密封在玻璃板26上。与玻璃基板26上形成有与微调电路的各端子连接的修整图案29，配置在玻璃基板26内。 版权所有（C）2007，JPO＆INPIT

公开(公告)号：JP2013191101A

公开(公告)日：2013-09-26

申请号：JP2012057925

申请日：2012-03-14

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: G06F3/038

Abstract: PROBLEM TO BE SOLVED: To move a graphic object with high accuracy in a wide range.SOLUTION: A graphic object movement input device 1 includes: an optical pointing device 2; a button switch part 3; and a microcomputer 4 which moves a graphic object on a display picture by a distance longer than the travel of the graphic object on the display picture based on movement of a finger detected by the optical pointing device 2 according to depression of the button switch part 3.

Abstract translation: 要解决的问题：在宽范围内高精度地移动图形对象。解决方案：图形对象移动输入装置1包括：光学指向装置2; 按钮开关部3; 以及微型计算机4，其根据按钮开关部3的按下，使显示图像上的图形对象基于由光学指示装置2检测出的手指的移动而在显示画面上移动距离长于图形对象的移动距离 。

公开(公告)号：JP2005130173A

公开(公告)日：2005-05-19

申请号：JP2003363252

申请日：2003-10-23

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H03F3/08 ,  H04B10/07 ,  H04B10/40 ,  H04B10/50 ,  H04B10/60 ,  H04B10/67 ,  H04B10/69 ,  H04B10/04 ,  H04B10/06 ,  H04B10/14 ,  H04B10/26 ,  H04B10/28

Abstract: PROBLEM TO BE SOLVED: To provide an optical receiving circuit which has reduced power consumption and is miniaturized, and to provide an electronic apparatus provided with the same.
SOLUTION: The output of a photo diode 1 which detects an optical signal from an optical fiber sequentially passes an initial-stage amplifier part, an amplifier 17, a hysteresis comparator 18, a buffer 19, and an output stage. A bias circuit 6 supplies a bias current to the amplifier 17, the hysteresis comparator 18, and the buffer 19. A signal detection circuit 3 sends a reset signal, on the basis of the output of the amplifier 17, and a shut-down control circuit 5 sets the bias circuit 6 to a shut-down state, in response to the input of the reset signal to the shut-down control circuit 5. The shut-down state of the bias circuit 6 is released, on the basis of the output of the initial-stage amplifier part by the shut-down control circuit 5.
COPYRIGHT: (C)2005,JPO&NCIPI

Abstract translation: 解决的问题：提供降低功耗并小型化的光接收电路，并提供具有该光接收电路的电子设备。 解决方案：从光纤检测光信号的光电二极管1的输出顺序地通过初级放大器部分，放大器17，迟滞比较器18，缓冲器19和输出级。 偏置电路6向放大器17，滞后比较器18和缓冲器19提供偏置电流。信号检测电路3基于放大器17的输出发送复位信号和关断控制 响应于向关闭控制电路5输入复位信号，电路5将偏置电路6设置为关断状态。偏置电路6的关断状态基于 通过关闭控制电路5输出初级放大器部分。版权所有（C）2005，JPO＆NCIPI

公开(公告)号：JP2009177721A

公开(公告)日：2009-08-06

申请号：JP2008016647

申请日：2008-01-28

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H03K17/78 ,  H03K5/19 ,  H03K5/26

Abstract: PROBLEM TO BE SOLVED: To provide an object detection circuit which discriminates a wavelength of a pulse light detected by a light receiving element, further reduces the effect of disturbance light, and has a high detection accuracy.
SOLUTION: An object detection circuit 1 comprises: a light emitting element 12 which emits a pulse-modulated light; a light receiving element 13 which receives an output pulse light from the light emitting element 12 according to the presence/absence of an object to be detected; and a signal detection circuit 19 which discriminates the wavelength of the pulse light detected by the light receiving element 13.
COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种辨别由光接收元件检测的脉冲光的波长的物体检测电路，进一步降低了干扰光的影响，并且具有高的检测精度。 解决方案：物体检测电路1包括：发射脉冲调制光的发光元件12; 光接收元件13，其根据待检测对象的存在/不存在从发光元件12接收输出脉冲光; 以及信号检测电路19，其识别由光接收元件13检测的脉冲光的波长。版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008011089A

公开(公告)日：2008-01-17

申请号：JP2006178519

申请日：2006-06-28

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H04B10/40 ,  H01L33/00 ,  H01L33/12 ,  H04B10/50 ,  H04B10/524 ,  H04B10/564 ,  H04B10/60

Abstract: PROBLEM TO BE SOLVED: To actualize a light emitting diode driving circuit capable of transmitting an optical signal with high precision even if the supply voltage of an optical transmission device or/and the supply voltage of a controller vary, and to provide the optical transmission device equipped with the same and an optical transmission device.
SOLUTION: The light emitting diode driving circuit 3 includes an input buffer part 4 which converts an electric signal supplied from an external controller IC 10 into an electric signal having two high and low levels based upon an input threshold voltage. The supply voltage of the input buffer part 4 is common to the supply voltage of the controller IC 10.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了实现即使光传输装置的电源电压或/和控制器的电源电压变化，能够高精度地发送光信号的发光二极管驱动电路，并且提供 配备有该光传输装置的光传输装置和光传输装置。 解决方案：发光二极管驱动电路3包括输入缓冲器部分4，其基于输入阈值电压将从外部控制器IC 10提供的电信号转换为具有两个高电平和低电平的电信号。 输入缓冲器部分4的电源电压与控制器IC10的电源电压相同。版权所有：（C）2008，JPO＆INPIT

公开(公告)号：JP2007317890A

公开(公告)日：2007-12-06

申请号：JP2006145866

申请日：2006-05-25

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H01L33/00 ,  H01L33/12 ,  H04B10/2507 ,  H04B10/40 ,  H04B10/50 ,  H04B10/524 ,  H04B10/60

Abstract: PROBLEM TO BE SOLVED: To provide a light emitting diode drive circuit capable of precisely transmitting optical signals even if a power supply voltage fluctuates to fluctuate an input threshold voltage.
SOLUTION: A light emitting diode drive circuit 3 comprises an input buffer 4 which converts the electric signal supplied from outside into the electric signal consisting of two levels, high and low, based on an input threshold voltage. The input buffer 4 comprises a voltage corrector 7 which corrects the voltage value 50% of the amplitude voltage of electric signals supplied from outside to be identical with the input threshold voltage value.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：即使电源电压波动以输入阈值电压波动，也提供能够精确地发送光信号的发光二极管驱动电路。 解决方案：发光二极管驱动电路3包括输入缓冲器4，其根据输入阈值电压将从外部供应的电信号转换成由两个电平高和低的两个电平组成的电信号。 输入缓冲器4包括校正来自外部提供的电信号的振幅电压的50％的电压值与输入阈值电压值相同的电压校正器7。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2006013166A

公开(公告)日：2006-01-12

申请号：JP2004188692

申请日：2004-06-25

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： MASUDA YOSHIFUMI

IPC: H01L33/12

Abstract: PROBLEM TO BE SOLVED: To provide a light-emitting diode drive circuit the input threshold voltage of which can be selectively set after its manufacture, and to provide an optical transmission device on which the light-emitting diode drive circuit is mounted and capable of coping with a plurality of input threshold voltages, using the light-emitting diode drive circuit configured to be a single IC circuit. SOLUTION: In the light-emitting diode drive circuit, that is mounted on the optical transmission device for serving an optical fiber link through which an optical signal, is transmitted being converted from an electrical signal, an input buffer 4 for receiving the electrical signal supplied from an external controller and converting the electrical signal into another electrical signal including two levels, that is, a high level and a low level on the basis of the input threshold voltage, is provided with an input threshold voltage selection means 8 capable of selectively setting the input threshold voltage. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了提供其制造后可选择地设置的输入阈值电压的发光二极管驱动电路，并且提供安装有发光二极管驱动电路的光传输装置， 能够使用配置为单个IC电路的发光二极管驱动电路来应付多个输入阈值电压。 解决方案：在发射二极管驱动电路中，安装在光传输装置上的光传输装置用于服务于从光信号转换光信号的光纤链路，用于接收光信号的输入缓冲器4 从外部控制器提供的电信号和基于输入阈值电压将电信号转换成包括两个电平（即，高电平和低电平）的另一个电信号，具有能够输入的输入阈值电压选择装置8 选择性地设定输入阈值电压。 版权所有（C）2006，JPO＆NCIPI