公开(公告)号：US3638064A

公开(公告)日：1972-01-25

申请号：US3638064D

申请日：1969-06-13

Applicant: SONY CORP

Inventor： HOSOYA MITSURU ,  KANAGAWA-KEN ,  SAHARA HIROSHI ,  MORIO MINORU

IPC: H04N9/28 ,  H01J29/50

CPC classification number: H04N9/28

Abstract: In a color picture tube in which a plurality of beams are made to intersect each other at a location between the beam generating sources and the color screen and are focused on the latter by a main focusing lens positioned to dispose its optical center substantially at the location where the beams intersect so that beams emerge from such lens along divergent paths, first and second spaced plates are disposed at opposite sides of each of the divergent paths to electrostatically deflect the respective beam and cause convergence of all of the beams at a common area on the screen when the first and second plates are at different potentials, a high voltage is generated from a horizontal deflecting pulse provided for causing the beams to scan the screen and such high voltage is applied to an anode electrode of the tube and also to each first plate, and a static convergence deflecting voltage is obtained by dividing the aforementioned high voltage and is applied as the potential difference between the first and second plates by which the respective beam is to be deflected. Further, a dynamic convergence deflecting voltage, comprising both parabolic and sawtooth voltages is generated in response to the horizontal deflecting pulse and is superimposed on the static convergence deflecting voltage with provision being made for separately adjusting both deflecting voltages.

Abstract translation: 在其中多个光束在光束发生源和彩色屏幕之间的位置处彼此相交并通过主聚焦透镜聚焦在其上的彩色显像管中，所述主聚焦透镜被定位成将其光学中心基本上位于该位置处 其中光束相交，使得光束沿着发散路径从这种透镜出射，第一和第二间隔开的板设置在每个发散路径的相对侧，以使各个光束静电偏转，并导致所有光束在公共区域上的会聚 当第一和第二板处于不同电位时的屏幕，从用于使光束扫描屏幕的水平偏转脉冲产生高电压，并且将这种高电压施加到管的阳极电极，并且还对每个第一 通过划分上述高电压获得静态会聚偏转电压，并作为电位差被施加 补偿相应梁被偏转的第一和第二板。 此外，响应于水平偏转脉冲产生包括抛物线和锯齿波电压的动态会聚偏转电压，并且叠加在静态会聚偏转电压上，同时提供分别调整两个偏转电压。