Spherical ferrite particles and ferrite resin composite for bonded
magnetic core
    1.
    发明授权
    Spherical ferrite particles and ferrite resin composite for bonded magnetic core 失效
    用于粘结磁芯的球形铁氧体颗粒和铁氧体树脂复合材料

    公开(公告)号:US5198138A

    公开(公告)日:1993-03-30

    申请号:US773329

    申请日:1991-10-11

    IPC分类号: H01F1/26 H01F1/36 H01F1/37

    CPC分类号: H01F1/37 H01F1/26 H01F1/36

    摘要: Disclosed herein are ferrite particles for a bonded magnetic core comprising crystal grains of 5 to 15 .mu.m in average diameter, having an average particle diameter of 20 to 150 .mu.m and a magnetic permeability of not less than 24, and consisting essentially of 47 to 58 mol % of Fe.sub.2 O.sub.3, 10 to 30 mol % of nickel oxide, manganese oxide, nickel-managanese oxide (calculated as NiO, MnO or NiO.MnO) and 15 to 40 mol % of zinc oxide (calculated as ZnO).

    摘要翻译: 本发明公开了一种粘结磁芯的铁氧体颗粒,其包含平均粒径为5〜15μm,平均粒径为20〜150μm,磁导率不低于24的晶粒,基本上由47〜 58mol%的Fe 2 O 3,10〜30mol%的氧化镍,氧化锰,镍锰氧化物(以NiO,MnO或NiO.MnO计)和15〜40mol%的氧化锌(以ZnO计)。

    Imaging device and portable terminal device
    3.
    发明申请
    Imaging device and portable terminal device 审中-公开
    成像设备和便携式终端设备

    公开(公告)号:US20050270411A1

    公开(公告)日:2005-12-08

    申请号:US11138470

    申请日:2005-05-27

    摘要: The present invention provides an imaging device including an electric light control device disposed between lens groups, a CCD photosensitive surface and including a liquid crystal cell which contains at least a dye pigment for providing a predetermined light control range, a CPU for supplying an applied voltage to place the electric light control device in the predetermined light control range based on amount-of-light information obtained from the CCD, and a numerical parameter value table for storing a numerical parameter value relative to a threshold value for a transmittance of the electric light control device in order to generate the applied voltage to be supplied from the CPU to the electric light control means.

    摘要翻译: 本发明提供了一种成像装置,包括设置在透镜组之间的电光控制装置,CCD感光表面,并且包括至少包含用于提供预定光控范围的染料颜料的液晶盒,用于提供施加电压的CPU 基于从CCD获得的光量信息将电光控制装置设置在预定的光控制范围内;以及数值参数值表,用于存储相对于电灯透射率的阈值的数值参数值 控制装置,以产生从CPU向电灯控制装置提供的施加电压。

    Liquid crystal display having liquid crystal cell gap variation
    4.
    发明授权
    Liquid crystal display having liquid crystal cell gap variation 失效
    具有液晶单元间隙变化的液晶显示器

    公开(公告)号:US06791657B2

    公开(公告)日:2004-09-14

    申请号:US09947120

    申请日:2001-09-05

    IPC分类号: C09K1960

    摘要: A light control device includes a GH cell and a polarizer wherein a host material is made of a negative type liquid crystal whose dielectric anisotropy is negative and a guest material is made of a dichromatic positive type dye. The polarizer is provided at a side of light incident on the polarizer. A cell gap ranges from 2 &mgr;m to 4 &mgr;m, at least, in an effective light path.

    摘要翻译: 光控制装置包括GH电池和偏振器,其中主体材料由介电各向异性为负的负型液晶制成,客体材料由二色正性型染料制成。 偏振器设置在入射在偏振器上的光的一侧。 至少在有效光路中,细胞间隙范围为2μm至4μm。

    Guest-host liquid crystal element with removable polarizer
    5.
    发明授权
    Guest-host liquid crystal element with removable polarizer 失效
    宾主液晶元件与可移动偏振器

    公开(公告)号:US07057683B2

    公开(公告)日:2006-06-06

    申请号:US10946282

    申请日:2004-09-21

    IPC分类号: G02F1/1335

    摘要: A light control device and an imaging device suitable for the effective and stabilized driving of a Guest-Host type liquid crystal element. A light control device which is provided with a light controlling GH cell and a UV cut filter provided on the light incident side of the GH cell and which is therefore reduced significantly in the quantity of ultraviolet ray applied to the GH cell, thereby preventing the photodecomposition or photodegradation of materials constituting a liquid crystal layer in the GH cell; and an imaging device such as a CCD camera having this light control device disposed on the optical path thereof.

    摘要翻译: 一种适用于宾客型液晶元件的有效和稳定驱动的光控制装置和成像装置。 一种光控装置,其设置有控制GH电池和设置在GH电池的光入射侧的紫外线截止滤波器,因此能够显着减少施加到GH电池的紫外线的量,从而防止光分解 或在GH细胞中构成液晶层的材料的光降解; 以及诸如具有设置在其光路上的该光控制装置的CCD照相机的成像装置。

    Light control device, method for driving same and pickup device using the light control device
    6.
    发明授权
    Light control device, method for driving same and pickup device using the light control device 有权
    光控制装置,其驱动方法以及使用该光控制装置的拾取装置

    公开(公告)号:US06720742B2

    公开(公告)日:2004-04-13

    申请号:US09974565

    申请日:2001-10-10

    IPC分类号: G05F100

    CPC分类号: G02F1/13306 G02F1/13725

    摘要: A light control device comprises a liquid crystal cell 12, and a pulse control unit 62 or 64 wherein when a transmittance of light transmitted from said liquid crystal element is changed from an actual light transmittance to an intended light transmittance, the pulse control unit is able to insert beforehand a drive pulse for control corresponding to a minimum light transmittance or a maximum light transmittance, at least, prior to application of a drive pulse corresponding to the intended light transmittance. A method of driving the light control device is also described wherein the light control device is driven by use of the drive pulse for control, along with a pickup device wherein the light control device is arranged in a light path of a pickup system.

    摘要翻译: 光控制装置包括液晶单元12和脉冲控制单元62或64,其中当从所述液晶元件透射的光的透射率从实际透光率改变为预期透光率时,脉冲控制单元能够 至少在施加与预期透光率相对应的驱动脉冲之前,预先插入对应于最小透光率或最大透光率的用于控制的驱动脉冲。 还描述了一种驱动光控制装置的方法,其中通过使用用于控制的驱动脉冲来驱动光控制装置,以及其中光控制装置布置在拾取系统的光路中的拾取装置。

    Electric dimming device and its driving method
    7.
    发明授权
    Electric dimming device and its driving method 有权
    电动调光装置及其驱动方法

    公开(公告)号:US07230598B2

    公开(公告)日:2007-06-12

    申请号:US10311656

    申请日:2002-04-19

    IPC分类号: G09G3/36

    摘要: An electrical dimmer device and its driving method applicable to, for example, an image pickup unit and a display unit operate so that when a control signal for stop adjustment is changed from its current value of stop adjustment to a larger value, which occurs when the light transmissivity of a positive type liquid crystal is raised, or when the light transmissivity of a negative type liquid crystal is lowered, the control signal is temporarily varied to an intermediate value that is larger than the larger value. The energy of the varied larger value and a time during which that varied value is applied are determined in accordance with predetermined values. By doing so, it is possible to make a response speed when changing the light transmissivity extremely faster and thus attain a response time, of for example, one field period of time or less required for a stop mechanism of a video camera.

    摘要翻译: 适用于例如图像拾取单元和显示单元的电气调光装置及其驱动方法进行操作,使得当用于停止调整的控制信号从其当前的停止调整值改变为更大的值时 正型液晶的透光率提高,或者当负型液晶的透光率降低时,控制信号暂时变化为大于较大值的中间值。 根据预定值确定变化的较大值的能量和施加该变化值的时间。 通过这样做,可以更快地改变光透射率时作出响应速度,从而获得例如对于摄像机的停止机构所要求的一个场周期或更短的响应时间。

    Light control device and imaging device
    8.
    发明申请
    Light control device and imaging device 失效
    光控装置和成像装置

    公开(公告)号:US20050078265A1

    公开(公告)日:2005-04-14

    申请号:US10946282

    申请日:2004-09-21

    摘要: A light control device and an imaging device suitable for the effective and stabilized driving of a Guest-Host type liquid crystal element. A light control device which is provided with a light controlling GH cell and a UV cut filter provided on the light incident side of the GH cell and which is therefore reduced significantly in the quantity of ultraviolet ray applied to the GH cell, thereby preventing the photodecomposition or photodegradation of materials constituting a liquid crystal layer in the GH cell; and an imaging device such as a CCD camera having this light control device disposed on the optical path thereof.

    摘要翻译: 一种适用于宾客型液晶元件的有效和稳定驱动的光控制装置和成像装置。 一种光控装置,其设置有控制GH电池和设置在GH电池的光入射侧的紫外线截止滤波器,因此能够显着减少施加到GH电池的紫外线的量,从而防止光分解 或在GH细胞中构成液晶层的材料的光降解; 以及诸如具有设置在其光路上的该光控制装置的CCD照相机的成像装置。

    Multichannel digital magnetic recording apparatus
    10.
    发明授权
    Multichannel digital magnetic recording apparatus 失效
    多通道数字磁记录装置

    公开(公告)号:US4562491A

    公开(公告)日:1985-12-31

    申请号:US475407

    申请日:1983-03-15

    IPC分类号: G11B5/09 G11B20/10 G11B20/14

    摘要: A multichannel digital magnetic recording apparatus comprises a plurality (N) of modulating circuits (41 to 4N) and timing circuits (51 to 5N). Digital signals (Z1 to ZN) undergo modulation in the modulating circuits in accordance with a modulation system of a detection window Tw. The modulated signals (A1 to AN) are converted into pulse current trains by the timing circuits and then delayed such that the respective pulse currents do not occur simultaneously. Accordingly, a power capacity required of a voltage source for writing the signals by means of thin film magnetic heads (71 to 7N) is considerably decreased.

    摘要翻译: 多通道数字磁记录装置包括多个(N)个调制电路(41〜4N)和定时电路(51〜5N)。 数字信号(Z1至ZN)根据检测窗口Tw的调制系统在调制电路中进行调制。 调制信号(A1至AN)由定时电路转换成脉冲电流列,然后被延迟使得各个脉冲电流不同时发生。 因此,通过薄膜磁头(71〜7N)写入信号的电压源所需的功率容量大大降低。