公开(公告)号：US3558896A

公开(公告)日：1971-01-26

申请号：US3558896D

申请日：1968-08-29

Applicant: BELL TELEPHONE LABOR INC

Inventor： DALY JAMES C

IPC: G02B26/02 ,  H04B10/12 ,  H01J39/07 ,  G01J1/36 ,  H01J39/10

CPC classification number: G02B26/02

Abstract: In the optical guiding apparatus disclosed, the optical beam is guided and focused by solid lenses which are automatically positioned with respect to a reference axis established by the sensors. Fixed relative positioning of the sensors permits the movement of the lenses in a small number of discrete steps, each step being substantially equal to a threshold position error of a control loop. In a first embodiment, each sensor controls a plurality of beampositioning lenses collectively to provide the downstream beam position correction. two-position control and three-position control are employed. In second and third embodiments, each sensor effects compensating movements of upstream and downstream lenses to modify the beam position only locally.

公开(公告)号：US5808405A

公开(公告)日：1998-09-15

申请号：US688996

申请日：1996-08-01

Applicant: Bongsoo Koh

Inventor： Bongsoo Koh

IPC: H01J29/07 ,  H01J9/18 ,  H01J39/07

CPC classification number: H01J29/073 ,  H01J2229/0766

Abstract: A shadow mask support assembly for a color cathode-ray tube prevents partial thermal deformation generated by welding a shadow mask and a mask frame. Also, the shadow mask support assembly for a color cathode-ray tube includes a mask frame suspended and supported in the inner face of the panel, a shadow mask inserted in the inner circumference of the mask frame, and an elastic band for supporting the inner circumference of the mask frame body which presses a skirt portion of the shadow mask from its outer circumference to prevent welding the mask frame and the shadow mask.

Abstract translation: 用于彩色阴极射线管的荫罩支撑组件防止了通过焊接荫罩和荫罩框架产生的部分热变形。 此外，用于彩色阴极射线管的荫罩支撑组件包括悬挂并支撑在面板内表面的荫罩框架，插入到荫罩框架的内圆周中的荫罩以及用于支撑内框架的弹性带 将荫罩的裙部从外周按压的荫罩框体的周围，防止掩模框和荫罩的焊接。

公开(公告)号：US4163174A

公开(公告)日：1979-07-31

申请号：US805955

申请日：1977-06-13

Applicant: Charles B. Johnson

Inventor： Charles B. Johnson

IPC: H01J31/08 ,  H01J31/50 ,  H01J40/04 ,  H01J40/16 ,  H01J39/07 ,  H01J39/10

CPC classification number: H01J40/04 ,  H01J31/08 ,  H01J31/502 ,  H01J40/16

Abstract: At one of the vacuum tube is disposed an opaque photocathode receiving light from a window in the other end of the tube along a light axis which is spaced from and parallel to the axis of the tube. An accelerating mesh adjacent the photocathode rapidly accelerates the light produced photoelectrons in cooperation with an oblique electron lens along a path having an angle which is oblique to the light axis and tube axis toward a target or readout device. A field mesh adjacent the readout device accelerates the photoelectrons after being deflected by deflection plates to the readout device to provide an output photoelectron streak image thereon.

Abstract translation: 在一个真空管中设置一个不透光的阴极，该光阴极沿着与管的轴线间隔开并平行于光轴的光轴从管的另一端的窗口接收光。 与光电阴极相邻的加速网格沿着具有与光轴和管轴倾斜的角度朝向目标或读出装置的路径的倾斜电子透镜协同地快速加速产生光的光电子。 与读出装置相邻的场网格在被偏转板偏转到读出装置之后加速光电子，以在其上提供输出的光电子条纹图像。