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1. 发明专利

JPH057310A SYSTEM ENVIRONMENT ADAPTIVE TYPE CONTOUR COMPENSATING SYSTEM 失效
公开(公告)号：JPH057310A
公开(公告)日：1993-01-14
申请号：JP20468591
申请日：1991-07-19
申请人： FUJITSU LTD
发明人： ONO MITSUNORI , ITO TAKASHI , MATSUDA KIICHI , TERUI YUICHI , YAMANAKA TOSHIHIRO , RIKIMARU KENJI , KAWABATA TAKASHI
IPC分类号： H04N1/409 , G09G5/00 , H04N1/40 , H04N5/208 , H04N9/68
摘要： PURPOSE:To acquire a contour compensation effect corresponding to the change of system environment so that picture quality is improved by controlling adaptively contour compensation effect quantity in a contour compensating part in accordance with various system environment parameters. CONSTITUTION:A picture signal received by a picture decoding part 1A is decoded by the picture decoding part 1A. Decoded data ia displayed on a picture display part 3 after being given the enhancement of a picture edge part by the prescribed contour compensation effect quantity by a contour compensating part 2A. At this time, the contour compensation effect quantity at the contour compensating part 2A is controlled adaptively by a contour compensation effect quantity control part 4 in accordance with the various system environment parameters. In such a configuration, the contour compensation effect corresponding to the change of the system environment is acquired, and the quality of the displayed picture can be improved drastically. Besides, it is preferable to use a transmission rate, a picture element omission rate, a moving picture/still picture, the information quantity of an input picture, and the discontinuity of the input picture as the system environment parameters in the control pare 4.

2. 发明专利

JPH04232479A SIGNAL DUTY MONITOR CIRCUIT 失效
公开(公告)号：JPH04232479A
公开(公告)日：1992-08-20
申请号：JP40889390
申请日：1990-12-28
申请人： FUJITSU LTD
发明人： RIKIMARU KENJI
IPC分类号： G01R29/02 , H03K5/19
摘要： PURPOSE:To provide a duty monitor circuit capable of inexpensively monitoring the duty of a signal of a clock and the like with simple constitution with regard to the signal duty monitor circuit for monitoring as the duty of the signal is within range of requirements. CONSTITUTION:A duty difference detection part for detecting the difference between a signal and another signal which delays said signal for a specified time, an integral part for the time and integrating in accordance with the duty difference and a discrimination part for discriminating great and small sizes of a threshold and an integrated value in accordance with a required range are provided and constituted so that the circuit may be monitored on whether the duty of the signal is within the required range.

3. 发明专利

JP2008040435A Optical transmission system 有权
标题翻译：光传输系统
公开(公告)号：JP2008040435A
公开(公告)日：2008-02-21
申请号：JP2006218540
申请日：2006-08-10
申请人： Fujitsu Ltd , 富士通株式会社
发明人： RIKIMARU KENJI , ISHII YUJI , MORI KAZUYUKI
IPC分类号： G02B26/02 , G02B6/00 , H04B10/00 , H04B10/40 , H04B10/50 , H04B10/60
CPC分类号： G02B6/266 , G02B6/3512 , G02B6/3532 , G02B6/3594
摘要： PROBLEM TO BE SOLVED: To correct the relation between the control angle of a mirror and the attenuation quantity of an optical signal to bring it closely to a linear relation and to reduce the influence of the variation in voltage and noise. SOLUTION: In the optical transmission system 1, the optical signal is reflected on a micromirror 11 and made incident on an optical fiber 13, and the attenuation quantity of the optical signal is controlled by varying the incident light quantity by controlling the angle of the micromirror 11. An optical filter 14 is provided between the micromirror 11 and the optical fiber 13 for correcting the relation between the control angle or the control voltage of the micromirror 11 and the attenuation quantity of the optical signal for bringing it closely to the linear relation. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：纠正镜子的控制角度与光信号的衰减量之间的关系，使其与线性关系密切相关，并减少电压和噪声变化的影响。解决方案：在光传输系统1中，光信号在微镜11上被反射并入射到光纤13上，并且通过控制角度来改变入射光量来控制光信号的衰减量微镜11设置在微镜11和光纤13之间，用于校正微镜11的控制角或控制电压与光信号的衰减量之间的关系，以使其紧密接触线性关系。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JPH04220823A PICTURE SIGNAL TRANSMISSION CONTROL SYSTEM 失效
公开(公告)号：JPH04220823A
公开(公告)日：1992-08-11
申请号：JP41192290
申请日：1990-12-20
申请人： FUJITSU LTD
发明人： TERUI YUICHI , ONO MITSUNORI , YAMANAKA TOSHIHIRO , RIKIMARU KENJI
IPC分类号： H04J3/00 , H04J3/16 , H04N7/08 , H04N7/081 , H04N7/14 , H04N7/15 , H04N7/58 , H04N21/2365 , H04N21/434
摘要： PURPOSE:To attain efficient picture signal transmission by allocating adaptively a frame corresponding to information quantity of plural channels with respect to the picture signal transmission control system in which a picture signal from plural television cameras or the like is multiplexed and sent. CONSTITUTION:A picture signal of plural channels is multiplexed in the unit of frames by using a selector 2 of a CODEC 1. The quantity of information corresponding to each channel is detected by an information quantity detection section 4 in this multiplexing, a comparison control section 5 controls that a great number of frames is allocated to a channel having much information quantity and a little number of frames is allocated to a channel having less information quantity.

5. 发明专利

JPH04120940A LOOP BACK CONTROL CIRCUIT 失效
公开(公告)号：JPH04120940A
公开(公告)日：1992-04-21
申请号：JP24015190
申请日：1990-09-12
申请人： FUJITSU LTD
发明人： RIKIMARU KENJI
IPC分类号： H04L1/22 , H04B17/40 , H04L7/00 , H04L29/14 , H04M3/56
摘要： PURPOSE:To execute a loop back test without being affected by the abnormality of a clock supplied from the outside by providing a loop back select part, loop back control part, loop back monitor part and internal clock generation part. CONSTITUTION:A clock monitor part 3 monitors the abnormality of the external clock supplied from the outside for operating a loop back select part 1 and a device to be tested. When any abnormality is detected, the clock supplied to the loop back select part 1 and the device to be tested is automatically switched to an internal clock generated by an internal clock generation part 2 by a loop back control part 4. Thus, without requiring any complicated operations, the loop back test can be executed without being affected by the abnormality of the clock supplied from the outside.

6. 发明专利

JP2009258631A Electrode and mirror driving apparatus 审中-公开
标题翻译：电极和镜子驱动装置
公开(公告)号：JP2009258631A
公开(公告)日：2009-11-05
申请号：JP2008305657
申请日：2008-11-28
申请人： Fujitsu Ltd , 富士通株式会社
发明人： RIKIMARU KENJI , ISHII YUJI , MORI KAZUYUKI
IPC分类号： G02B26/02 , B81B3/00 , G02B26/08 , H02N1/00
CPC分类号： G02B26/0841
摘要： PROBLEM TO BE SOLVED: To accurately control the attenuation of light even when increasing the attenuation. SOLUTION: In an MEMs actuator 100, a fixed electrode 100b and a movable electrode 100a are formed so that a distance between the fixed electrode 100b and the movable electrode 100a increases as an overlapping area between the fixed electrode 100b and the movable electrode 100a increases (as an electrostatic capacity increases). The fixed electrode 100b and the movable electrode 100a are formed in this manner, whereby an electrostatic force is fixed independently of a positional relation between the fixed electrode 100b and the movable electrode 100a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使增加衰减，也能精确地控制光的衰减。解决方案：在MEM致动器100中，固定电极100b和可动电极100a形成为固定电极100b和可动电极100a之间的距离随固定电极100b和可动电极之间的重叠面积而增加 100a增加（静电容量增加）。固定电极100b和可动电极100a以这种方式形成，由此固定电极100b和可动电极100a之间的位置关系固定静电力。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007108452A Stabilizer for movable mirror 审中-公开
标题翻译：用于可移动镜的稳定器
公开(公告)号：JP2007108452A
公开(公告)日：2007-04-26
申请号：JP2005299569
申请日：2005-10-14
申请人： Fujitsu Ltd , 富士通株式会社
发明人： RIKIMARU KENJI , ISHII YUJI , MORI KAZUYUKI
IPC分类号： G02B26/08 , B81B3/00
CPC分类号： G02B26/0841 , G02B7/1821
摘要： PROBLEM TO BE SOLVED: To provide a stabilizer capable of surely suppressing resonance movement even if an angle of a movable mirror is varied at high speed and capable of stabilizing the movable mirror in a desired state in a short time. SOLUTION: The stabilizer is equipped with a stopper 21 that stops a movable body 11 by pressurizing a torsion bar 11A to one side face perpendicular to the axial direction of the axially rockable movable body 11. The stopper 21, in accordance with a driving voltage applied to a stopper electrode 22, moves between a first position in pressurized contact with the side face of the movable body 11 and a second position away from the side face. The driving voltage to the stopper electrode 22 is controlled, by a controller 30, with a proper timing in accordance with the driven state of the movable body 11. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够可靠地抑制共振运动的稳定器，即使可移动镜的角度高速变化并且能够在短时间内将可移动镜稳定在期望的状态。解决方案：稳定器配备有止动件21，该止动件21通过将扭杆11A加压到与轴向可摇动的可移动体11的轴向垂直的一个侧面来阻止可动体11.止动器21根据施加到停止电极22的驱动电压在与可移动体11的侧面加压接触的第一位置和远离侧面的第二位置之间移动。通过控制器30，根据可动体11的驱动状态，通过控制器30控制到止动器电极22的驱动电压。（C）2007，JPO＆INPIT

8. 发明专利

JP2007101675A Controller of light switch using movable mirror, and method of control 有权
标题翻译：使用可移动镜的光开关控制器和控制方法
公开(公告)号：JP2007101675A
公开(公告)日：2007-04-19
申请号：JP2005288674
申请日：2005-09-30
申请人： Fujitsu Ltd , 富士通株式会社
发明人： ISHII YUJI , RIKIMARU KENJI , MORI KAZUYUKI
IPC分类号： G02B26/08 , B81B3/00
摘要： PROBLEM TO BE SOLVED: To provide a technology for stably controlling a movable mirror used in a light switch with high accuracy by suppressing the influence of power supply noise or the like, even when switching the light paths in a condition with a predetermined amount of attenuation given.
SOLUTION: The controller is provided with a plurality of driving circuits 10, corresponding to a plurality of MEMS mirrors of the light switch and a controlling amount calculating part 20, which calculates the controlling amount according to the setting of the light paths. The respective drive circuits 10 have: drive signal generating parts 11X and 11Y which generate the drive signal, according to the controlling amount transmitted from the controlling amount calculating part 20; a drive voltage monitor parts 12X and 12Y which monitor the driving signal; difference detecting parts 13X and 13Y, which detect the difference of monitored voltage and the controlling amount; difference correcting parts 14X and 14Y, which correct the controlling amount on the basis of the difference; noise detecting parts 15X and 15Y which detect the noise components contained in the drive signal; and noise correcting parts 16X and 16Y which correct the control amount, on the basis of the noise components.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供通过抑制电源噪声等的影响来高精度地稳定地控制用于光开关的可动镜的技术，即使在具有预定的条件的条件下切换光路给出的衰减量。解决方案：控制器设有与光开关的多个MEMS反射镜相对应的多个驱动电路10以及根据光路设置来计算控制量的控制量计算部20。各个驱动电路10具有根据从控制量计算部20发送的控制量产生驱动信号的驱动信号生成部11X，11Y，监视驱动信号的驱动电压监视部12X，12Y; 差分检测部13X，13Y，检测监视电压的差异和控制量; 差异校正部分14X和14Y，其基于差异来校正控制量; 检测驱动信号中包含的噪声成分的噪声检测部15X，15Y; 以及基于噪声分量来校正控制量的噪声校正部分16X和16Y。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2004080699A Digital filter system 有权
标题翻译：数字滤波系统
公开(公告)号：JP2004080699A
公开(公告)日：2004-03-11
申请号：JP2002241865
申请日：2002-08-22
申请人： Fujitsu Ltd , 富士通株式会社
发明人： ISHII YUJI , RIKIMARU KENJI , MORI KAZUYUKI , TOCHIO YUJI
IPC分类号： G02B26/08 , H03H17/02 , H03H17/04
CPC分类号： H03H17/02 , H03H17/0294 , H03H17/04
摘要： PROBLEM TO BE SOLVED: To make it possible to change the number of channels (data strings), the filtering order of a plurality of channels, and the filtering characteristics corresponding to each channel, and to maintain a filtering continuity in a digital filter system in which one digital filter filters a plurality of signals.
SOLUTION: According to the digital filter system, a plurality of input data strings generated at an operation process section (10) are sequentially sent through an input data memory (20), the digital filter (30) that filters the data strings, and an output data memory (40) to reach a data process section (50) that reads out the data strings in a prescribed order. In addition, a switch control section gives a timing of reading out the data strings and of writing it in after the filtering via a switch table which makes the addresses of the input data memory (20) correspond to that of the output data memory (40). Further, a filter memory and a coefficient memory memorize the intermediate data and a filter coefficient in a delay circuit in the digital filter (30).
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了使得可以改变通道数（数据串），多个通道的滤波顺序以及对应于每个通道的滤波特性，并且保持数字的滤波连续性一个数字滤波器滤波多个信号的滤波器系统。解决方案：根据数字滤波器系统，在操作处理部分（10）产生的多个输入数据串通过输入数据存储器（20）顺序发送，数字滤波器（30）对数据串进行过滤以及输出数据存储器（40），以到达以规定顺序读出数据串的数据处理部（50）。此外，开关控制部分给出读出数据串并在通过使输入数据存储器（20）的地址对应于输出数据存储器（40）的地址的开关表）之后写入数据串的定时）。此外，滤波器存储器和系数存储器存储数字滤波器（30）中的延迟电路中的中间数据和滤波器系数。版权所有（C）2004，JPO

10. 发明专利

JPH11261845A VIDEO SIGNAL PROCESSING CIRCUIT 失效
公开(公告)号：JPH11261845A
公开(公告)日：1999-09-24
申请号：JP6355398
申请日：1998-03-13
申请人： FUJITSU LTD
发明人： DOI MASAHIRO , RIKIMARU KENJI , ONO MITSUNORI
IPC分类号： H04N5/18 , H04N7/083 , H04N7/087 , H04N7/088
摘要： PROBLEM TO BE SOLVED: To normally perform a clamp processing to video signals on which various information is superimposed relating to a video signal processing circuit provided with a clamp circuit for performing the DC restoration of the video signals in an image transmitter for performing waveform transmission. SOLUTION: By detecting superimposing signals inside a video invalid part in the video signals in a superimposing signal detection part 1 and supplying switching signals based on the presence/absence of the superimposing signals from a clamp changeover control part 2 to the clamp circuit 4, a clamp level in the video invalid part where the superimposing signals are not present in the video signals is held and the DC restoration is performed.

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