公开(公告)号：US3684825A

公开(公告)日：1972-08-15

申请号：US3684825D

申请日：1971-02-19

Applicant: RCA CORP

Inventor： DISCHERT ROBERT ADAMS ,  MONAHAN JOHN FRANCIS

IPC: H04N9/69 ,  H04N9/53

CPC classification number: H04N9/69

Abstract: Apparatus for a television camera is described wherein the highest peak intensity of one of the primary colors is processed to form a multiplying control signal. The control signal is used to compensate a video signal in order to obtain a reduced range of contrast values capable of being adequately displayed by the system.

Abstract translation: 描述了用于电视摄像机的装置，其中处理一种原色的最高峰值强度以形成乘法控制信号。 控制信号用于补偿视频信号，以获得能够被系统充分显示的对比度值的减小的范围。