Title:
【発明の名称】色処理装置
Document Type and Number:
Japanese Patent JP2589557
Kind Code:
B2
Abstract:
A video monitor color control system including means for calibrating the intensity response of CRT phosphor sets to each of a plurality of electron gun control levels. Provided is a processor (24) that generates a sequence of discrete DAC signals, each DAC signal identifying an electron gun and a DAC value for driving the electron gun at a selected control level. Also provided is a monitor driver (22) connected to the processor (24) and to the monitor (20) and controllable in response to a DAC signal for driving the electron gun identified by the DAC signal at the control level identified by the DAC signal. The driven electron gun excites the associated phosphor set. A sensor (28) is provided for detecting the luminous intensity level of the phosphor excited by the electron gun, and for converting the detected intensity into a representative signal. The processor (24) receives for each discrete DAC signal the representative signals produced by the sensor and generates a look-up table for each gun defining intensity levels for each of the plurality of electron gun control levels.
Inventors:
HOORU ARUBAATO MATSUKUMANASU
ROBAATO JON BIITON
ROBAATO JON BIITON
Application Number:
JP26930388A
Publication Date:
March 12, 1997
Filing Date:
October 25, 1988
Export Citation:
Assignee:
TEKTRONIX INC
International Classes:
G09G1/28; G09G5/00; G09G5/02; H04N5/68; H04N9/18; H04N9/73; H04N17/04; (IPC1-7): G09G5/02; G09G5/00; H04N9/04
Domestic Patent References:
| JP61161093A | ||||
| JP54111720A |
Attorney, Agent or Firm:
Toshiaki Morisaki