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    • 33. 发明授权
    • Heterojunction bipolar transistor having an emitter region with a band
gap greater than that of a base region
    • 异质结双极晶体管具有带隙大于基极区域的带隙的发射极区域
    • US4768074A
    • 1988-08-30
    • US110042
    • 1987-10-13
    • Jiro YoshidaMakoto Azuma
    • Jiro YoshidaMakoto Azuma
    • H01L29/737H01L29/72
    • H01L29/7371
    • A heterojunction bipolar transistor comprises a base region of a first conductivity type formed of a first kind of semiconductor material, an emitter region of a second conductivity type formed of a second kind of semiconductor material which has a band gap greater than that of the first kind of semiconductor material and a smaller electron affinity, a transition region formed between the base region and the emitter region, and a collector region formed adjacent to the base region. The transition region is formed of a plurality of semiconductor layers such that band gaps sequentially increase in a stepped fashion from the semiconductor layer adjacent to the base region toward the semiconductor layer adjacent to the emitter region. The transition region is formed of a semiconductor material having an intermediate composition between the composition of the first kind of semiconductor material and that of the second kind of semiconductor material.
    • 异质结双极晶体管包括由第一种类型的半导体材料形成的第一导电类型的基极区域,由第二种类型的半导体材料形成的具有比第一种类型的带隙大的带隙的第二导电类型的发射极区域 的半导体材料和更小的电子亲和力,形成在基极区域和发射极区域之间的过渡区域以及与基极区域相邻形成的集电极区域。 过渡区域由多个半导体层形成,使得带隙从邻近基极区域的半导体层朝着与发射极区域相邻的半导体层以阶梯形式顺序地增加。 过渡区域由在第一种半导体材料的组成与第二种半导体材料的组成之间具有中间组成的半导体材料形成。
    • 36. 发明申请
    • INTERCHANGEABLE LENS, CAMERA BODY, CAMERA SYSTEM AND METHOD FOR CONTROLLING SAME
    • 可互换镜头,摄像机体,相机系统及其控制方法
    • US20090208194A1
    • 2009-08-20
    • US11994044
    • 2006-06-23
    • Kenichi HonjoMakoto Azuma
    • Kenichi HonjoMakoto Azuma
    • G03B17/00
    • H04N5/23248G03B17/14G03B19/12G03B2217/005H04N5/23209H04N5/23287H04N2101/00H04N2201/0084
    • There is provided an interchangeable lens, a camera body, a camera system, and a method for controlling the same, with which a highly efficient and stable image blur correction effect can be obtained. A camera system 1 has a camera body 10 and an interchangeable lens 20 that can be attached to and detached from the camera body 10. The camera body 10 has an imaging unit for imaging a subject through the interchangeable lens 20, and a sequence microcomputer 100 capable of sending and receiving information to and from a lens microcomputer 200 and for controlling the imaging operation of an imaging unit 120. The interchangeable lens 20 includes a shake detection unit 201 for detecting shake in the camera system 1, an image blur correction device 210 for adjusting the optical path from a subject to the camera body 10 and thereby correcting the blurring of an image caused by shaking of the camera system 1, and the lens microcomputer 200 capable of sending and receiving information to and from the sequence microcomputer 100, and for controlling the drive of the image blur correction device 210 according to the amount of shake detected by the shake detection unit 201. The lens microcomputer 200 actuates the shake correction device 210 once a specific amount of time has elapsed since a command for actuating the image blur correction unit was received from the sequence microcomputer 100.
    • 提供了可互换镜头,相机机身,相机系统及其控制方法,可以获得高效稳定的图像模糊校正效果。 照相机系统1具有照相机主体10和可相机主体10安装和拆卸的可互换镜头20.照相机主体10具有用于通过可更换镜头20对被摄体进行成像的成像单元和顺序微计算机100 能够从镜头微计算机200发送和接收信息,并且用于控制成像单元120的成像操作。可互换镜头20包括用于检测相机系统1中的抖动的抖动检测单元201,图像模糊校正装置210 用于调节从被摄物体到照相机体10的光路,从而校正由相机系统1的晃动引起的图像的模糊以及能够向序列式微机100发送和接收信息的镜头微计算机200,以及 用于根据由抖动检测单元201检测到的抖动量来控制图像模糊校正装置210的驱动 一旦从顺序微计算机100接收到用于启动图像模糊校正单元的命令,经过一定时间后,200启动抖动校正装置210。
    • 37. 发明授权
    • Single-lens reflex camera system
    • 单镜头反光相机系统
    • US07539408B2
    • 2009-05-26
    • US11478422
    • 2006-06-29
    • Hiroshi UedaMakoto AzumaKaoru Mokunaka
    • Hiroshi UedaMakoto AzumaKaoru Mokunaka
    • G03B7/085G03B7/095G03B17/18G03B9/02G03B17/00
    • G03B19/12G03B7/095G03B13/36G03B17/14H04N5/23212H04N5/23245H04N5/235
    • The single-lens reflex camera body is provided with: a detector that detects which of a first lens unit or a second lens unit is attached; a rotation operator which accepts a rotating operation to adjust a diaphragm value of the lens unit attached to the camera body; and a controller which transmits the diaphragm value that is adjusted at the rotation operator to the lens unit attached to the single-lens reflex camera body, and having a configuration where an operating direction of the diaphragm ring when a rotating operation is performed at the diaphragm ring to adjust the diaphragm value is the same as an operating direction of the rotation operator when the rotating operation is performed at the rotation operator. Thereby, the diaphragm value can be set easily.
    • 单镜反光照相机主体设置有:检测器,其检测第一透镜单元或第二透镜单元中的哪一个附接; 旋转操作器,其接受旋转操作以调节附接到照相机主体的透镜单元的光阑值; 以及控制器,其将在旋转操作器处调节的光阑值发送到安装在单镜头反光照相机主体上的透镜单元,并且具有在光阑处执行旋转操作时光阑环的操作方向 当旋转操作器进行旋转操作时,调节振膜值的旋钮与旋转操作器的操作方向相同。 由此,可以容易地设定振动膜的值。