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1. 发明专利

JP2004186844A Camera apparatus 审中-公开
公开(公告)号：JP2004186844A
公开(公告)日：2004-07-02
申请号：JP2002349354
申请日：2002-12-02
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IMANISHI SHINYA , OOTAWA HISAO , NAKANO TETSUO
IPC分类号： H04N5/225 , H03M7/30 , H04N5/765 , H04N5/77 , H04N7/18 , H04N9/79 , H04N9/804 , H04N19/00 , H04N19/102 , H04N19/12 , H04N19/164 , H04N19/166 , H04N19/70 , H04N7/24
CPC分类号： H04N5/772 , H04N5/765 , H04N9/7921 , H04N9/8042
摘要： PROBLEM TO BE SOLVED: To provide a camera apparatus capable of recording and transmitting compressed image data before and after the occurrence of a fault with high image quality and selecting a compression system matching the expansion decoding system of a transmission destination by acquiring the compressed image data without missing even when data transmission is disabled depending on a state of a transmission path with respect to the camera apparatus having a first encoding means for applying compression encoding to an imaged video image to transmit the image to a network and a second encoding means for applying compression encoding to the video image to record the image to a recording means.
SOLUTION: The camera apparatus can acquire required compressed image data through the configuration wherein a first encoding section 102 applies compression encoding to image data generated by a camera section 101 with an expansion decoding system in matching with that of a transmission destination, the resulting image data are transmitted to a transmission path such as a network, a second encoding section 103 applies compression encoding to the same generated image data by a compression system providing higher definition than that of the compressed image data generated by the first encoding section 102, and an image recording section 105 stores the generated compressed image data.
COPYRIGHT: (C)2004,JPO&NCIPI

2. 发明专利

JP2009017245A Dome type camera 审中-公开
标题翻译： DOME型相机
公开(公告)号：JP2009017245A
公开(公告)日：2009-01-22
申请号：JP2007176870
申请日：2007-07-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MARUYAMA TAKASHI , WATANABE TAKASHI , KAWAMATA TETSUJI , GOTO TAKEYUKI , OOTAWA HISAO
IPC分类号： H04N5/225
摘要： PROBLEM TO BE SOLVED: To provide a dome type surveillance camera with a structure high in heat dissipation effect in spite of mounting a circuit substrate, high in heat generation, in a rotating mechanism without drawing around signal, weak against noise, a long distance from the rotating mechanism to a fixed circuit substrate through expensive cables and connectors.
SOLUTION: The heat generation in a photographing device is efficiently dissipated to the outside of a cabinet through a structure that the circuit part 4-1 of a network camera is retained by an inside annular protuberance of chassis 2 or a rotary mechanism supporting unit 6 through a turning mechanism consisting of a pan angle baffle plate 7, a tilt angle baffle plate 9, a rotary plate about optical axis 11 and the like.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决问题：为了提供一种具有散热效果高的结构的圆顶型监视摄像机，尽管安装电路基板，发热量高，但在旋转机构中，不会绕过信号，对噪声较弱，通过昂贵的电缆和连接器从旋转机构到固定电路基板的长距离。解决方案：拍摄装置中的发热通过网络摄像机的电路部分4-1由底盘2的内部环形突起或支撑的旋转机构的结构被有效地散发到机柜的外部单元6通过由平角挡板7，倾斜挡板9，围绕光轴11的旋转板等组成的转动机构。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2005072991A Image pickup device, information processor and information processing system 审中-公开
标题翻译：图像拾取装置，信息处理器和信息处理系统
公开(公告)号：JP2005072991A
公开(公告)日：2005-03-17
申请号：JP2003300711
申请日：2003-08-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ENDO HIDEKI , OOTAWA HISAO , FUJIWARA NAOKI
IPC分类号： G06F1/26 , H02J1/00 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To provide a system for stably supplying optimum output voltage to a plurality of cameras with different operating voltages. SOLUTION: For example, an information processor connected to an image pickup device through a network needs to be provided only with: a communication means for communicating with the image pickup device through the network; a power supply means for supplying power; a receiving means for receiving information about the image pickup device; and a control means for controlling the voltage of the power source supplied by the power supplying means on the basis of the information about the image pickup device received by the receiving means. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于向具有不同工作电压的多个摄像机稳定地提供最佳输出电压的系统。例如，通过网络连接到图像拾取装置的信息处理器需要仅提供以下通信装置：用于通过网络与图像拾取装置进行通信的通信装置; 用于供电的电源装置; 接收装置，用于接收关于图像拾取装置的信息; 以及控制装置，用于根据由接收装置接收的关于图像拾取装置的信息来控制由供电装置提供的电源的电压。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004193657A Camera system, camera apparatus, and image receiver 审中-公开
公开(公告)号：JP2004193657A
公开(公告)日：2004-07-08
申请号：JP2002355454
申请日：2002-12-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： IMANISHI SHINYA , OOTAWA HISAO , NAKANO TETSUO
IPC分类号： H04N5/225 , G06F21/10 , H04L9/08 , H04N1/44 , H04N7/06 , H04N7/167 , H04N21/2187 , H04N21/266 , H04N21/4405 , H04N21/61
摘要： PROBLEM TO BE SOLVED: To provide a camera apparatus in a camera system which prevents encryption keys under communication between the camera apparatus and an image receiver and image data from being glanced furtively. SOLUTION: The camera apparatus 1 comprises a camera means 11 for fetching taken images as image data, a means 12 for compressing and coding the image data acquired from the camera means 11, a means 13 for encrypting the coded image data, a means 14 for controlling encryption keys used for encrypting them, and a first and second data communication units 15, 16 for transferring the encrypted image data and control data for controlling the communication to/from a communication party. The first communication unit 15 sends the image data encrypted by the encrypting means 13, and, after acquiring the encryption keys used for encrypting the image data by the encrypting means 13 from the key controlling means 14, the second communication unit 16 sends the keys. COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2003018585A Image transmission system, image transmitter and image receiver 有权
标题翻译：图像传输系统，图像发送器和图像接收器
公开(公告)号：JP2003018585A
公开(公告)日：2003-01-17
申请号：JP2001197689
申请日：2001-06-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： INADA KEISUKE , NISHIMURA RYUSHI , OTSUBO HIROYASU , OOTAWA HISAO
IPC分类号： H04N7/18 , H04J3/04 , H04L7/00 , H04N7/24 , H04N19/00 , H04N19/423 , H04N19/70
摘要： PROBLEM TO BE SOLVED: To provide an image transmission system enabling synchronization among equipment in a system in which a device A to encode image signals and a device B to decode the image signals are connected through a transmission line such as a LAN in a field performing image compression transmission. SOLUTION: The image transmission system is constituted of the device B1002 transmitting a synchronization reference signal 200 synchronized with the operation clock of the device B1002 through a transmission line 1001 to the device A1000 at a prescribed interval, and the device A1000 inputting the synchronization reference signal 200 supplied from the device B1002 and generating a clock synchronized with the device B1002 by using the synchronization reference signal 200 and using it as the operation clock of the device A1000.
摘要翻译：要解决的问题：提供一种图像传输系统，其能够在其中将设备A编码图像信号的系统和设备B对图像信号进行解码的系统中的设备之间进行同步，通过诸如LAN的传输线在现场执行图像压缩传输。解决方案：图像传输系统由设备B1002构成，设备B1002通过传输线1001将与设备B1002的操作时钟同步的同步参考信号200以规定间隔发送到设备A1000，并且设备A1000输入同步参考信号 200，并通过使用同步参考信号200产生与设备B1002同步的时钟并将其用作设备A1000的操作时钟。

6. 发明专利

JP2003008557A Lan controller for data transmission 有权
标题翻译：用于数据传输的LAN控制器
公开(公告)号：JP2003008557A
公开(公告)日：2003-01-10
申请号：JP2001189607
申请日：2001-06-22
申请人： Hitachi Ltd , Hitachi Ulsi Systems Co Ltd , 株式会社日立製作所 , 株式会社日立超エル・エス・アイ・システムズ
发明人： WATANABE YOSHIKI , FUJITA YUZURU , TANAKA YOSHIHIRO , TAKAHASHI TAKASHI , OOTAWA HISAO , FUJII HIROMASA
IPC分类号： H04J3/06 , H04L7/00 , H04L12/28 , H04N7/24 , H04N19/00 , H04N19/70 , H04N19/80
摘要： PROBLEM TO BE SOLVED: To provide a LAN controller that prevents occurrence of an underflow and an overflow of a buffer at a receiver side, suppresses deviation in a recovery timing and efficiently transmits image data and audio data or the like without exceeding a transmission physical transmission band.
SOLUTION: The LAN controller has a function that assembles timing information obtained by a system clock being a synchronization source into a timer frame and transmits the frame at a prescribed interval and a function that receives the timer frame, extracts the timing information from the received timer frame and recovering the system clock as that of the synchronization source. The LAN controller feeds back to its own timer every time of receiving the timer frame, each LAN controller connected to a LAN network shares the same time (timer) and time slots synchronized with each other, an individual time slot is assigned to each LAN controller and each LAN controller transmits a moving picture or audio data or the like by using the assigned time slot as a start point.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供防止在接收机侧发生下溢和缓冲器的溢出的LAN控制器，抑制恢复定时的偏差，并且在不超过传输物理传输的情况下有效地发送图像数据和音频数据等带。解决方案：LAN控制器具有将由作为同步源的系统时钟获得的定时信息组合成定时器帧的功能，并以规定间隔发送帧，接收定时器帧的功能，从接收到的定时器中提取定时信息并将系统时钟恢复为同步源。 LAN控制器每次接收到定时器帧时都会自动返回自己的定时器，连接到LAN网络的每个局域网络控制器共享相同的时间（定时器）和相互同步的时隙，每个LAN控制器分配一个时隙并且每个LAN控制器通过使用分配的时隙作为起始点来发送运动图像或音频数据等。

7. 发明专利

JP2004048799A Imaging device 有权
公开(公告)号：JP2004048799A
公开(公告)日：2004-02-12
申请号：JP2003322424
申请日：2003-09-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAI HIROTOMO , NISHIMURA RYUJI , KINUGASA TOSHIRO , OOTAWA HISAO
IPC分类号： H04N5/335 , H04N5/345 , H04N5/347 , H04N5/357 , H04N5/369 , H04N5/372 , H04N5/376 , H04N9/07
摘要： PROBLEM TO BE SOLVED: To provide an imaging device which can pickup high-definition moving images and still images.
SOLUTION: In the image pickup device using a high-pixel image pickup element with the number of pixels being about N times as large as the number of output lines, the device comprises a image pickup element to output signals of about 1/N lines of the pixels in the vertical direction, by vertically thinning the signals accumulated in each pixel of the image pickup element at an N-pixel period or by mixing the signals. Further, the device comprises a driving circuit to drive the pickup element so as to output pixel signals of a predetermined number of output lines by thinning and mixing, and a signal processing circuit to generate moving images by using the pixel signals output from the image pickup element.
COPYRIGHT: (C)2004,JPO

8. 发明专利

JP2007124526A Image monitoring recording device and system therefor 审中-公开
标题翻译：图像监视记录装置及其系统
公开(公告)号：JP2007124526A
公开(公告)日：2007-05-17
申请号：JP2005316953
申请日：2005-10-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OKUYAMA YOSHIYUKI , OOTAWA HISAO , TOYOSHIMA SHUJI
IPC分类号： H04N7/18 , G06T1/00 , G06T7/20 , G08B13/196
摘要： PROBLEM TO BE SOLVED: To change a notification destination and an image recording method corresponding to a recognized danger state after recognizing the danger state from movements of a person in a monitoring region. SOLUTION: Images of a plurality of different specific movements corresponding to a danger degree of the person are registered in an image memory 106 as template images. Moving image signals in the monitoring region of a CCD 200 are supplied to an image recognition processing part 105. The person in the monitoring region is extracted for each image of a frame. It is determined whether the movements of the person are the specific movements or not after comparing them with the template images in the image memory 106 or it is determined to which specific movements the movements of the person correspond. The danger degree shown by the movements of the person is recognized by the determination. The moving image signals from the CCD camera 200 are recorded in a large-capacity recording part 108 when the danger degree is recognized. The recording time is designated corresponding to the recognition result (the danger degree) so as to improve the use efficiency of a recording medium. The abnormality notification destination via a router 500 and Webs is changed corresponding to the recognition result. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：在从监视区域中的人的移动识别出危险状态之后，改变与识别的危险状态相对应的通知目的地和图像记录方法。解决方案：将与人的危险程度相对应的多个不同的特定动作的图像作为模板图像登记在图像存储器106中。将CCD200的监视区域中的运动图像信号提供给图像识别处理部分105.针对帧的每个图像提取监视区域中的人。在将图像存储器106中的模板图像与图像存储器106中的模板图像进行比较之后，确定人的运动是否是特定运动，或者确定人的运动与哪个特定运动相对应。该人的行动所显示的危险程度由确定确认。当识别危险程度时，来自CCD照相机200的运动图像信号被记录在大容量记录部分108中。根据识别结果（危险度）指定记录时间，以提高记录介质的使用效率。经由路由器500和Web的异常通知目的地根据识别结果而改变。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2003015177A Image pickup device 审中-公开
标题翻译：图像拾取器件
公开(公告)号：JP2003015177A
公开(公告)日：2003-01-15
申请号：JP2001197688
申请日：2001-06-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MUTSURO YASUO , NISHIMURA RYUSHI , OOTAWA HISAO
IPC分类号： G03B7/00 , G03B3/00 , G03B9/02 , H04N5/225 , H04N5/232
摘要： PROBLEM TO BE SOLVED: To provide an image pickup device, with which manual focusing can be easily performed.
SOLUTION: This image pickup device is provided with a means for detecting a high frequency component in a video signal and generating display data showing the high frequency component in the case of manual focusing of the image pickup device.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供可以容易地进行手动对焦的图像拾取装置。解决方案：该图像拾取装置设置有用于检测视频信号中的高频分量的装置，并且在图像拾取装置的手动对焦的情况下产生示出高频分量的显示数据。

10. 发明专利

JP2003168118A IMAGE PROCESSOR AND MOBILE BODY MONITORING DEVICE 审中-公开
公开(公告)号：JP2003168118A
公开(公告)日：2003-06-13
申请号：JP2001365298
申请日：2001-11-29
申请人： SECOM CO LTD , HITACHI LTD , HITACHI ULSI SYS CO LTD
发明人： SAKUMA YOSHIO , KAMITSUMA MITSUO , TAKAHASHI TAKASHI , OOTAWA HISAO
IPC分类号： G06T1/00 , G06T7/20 , G08B13/196 , G08G1/01 , H04N7/18
摘要： PROBLEM TO BE SOLVED: To provide an image processor and a mobile body monitoring device for efficiently differentiating changes appearing in an image due to fluctuation of illumination, daily fluctuation of sunlight, comings and goings of shadows, etc., from changes due to an intruder, etc. SOLUTION: The image processor or the mobile body monitoring device is constituted by providing an extraction means (232) for extracting a plurality of frequency components at least from an image inputted from an image pickup means, an edge quantity calculation means (233) for calculating edge quantity of each frequency component from the extracted frequency components, a ratio calculation means (234) for calculating each edge quantity ratio from the calculated edge quantity of each frequency component, a ratio change detection means for comparing the edge quantity ratio of each frequency of a reference image inputted from the image pickup means with an edge quantity ratio of each frequency of a determining image to serve as an object to be determined and for detecting changes of the edge quantity ratio of each of both frequencies and a decision means (236) for determining the changes of the determining image and the reference image based on the changes of the edge quantity ratios of each frequency detected by the ratio change detection means. COPYRIGHT: (C)2003,JPO

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