Title:
【発明の名称】放射線撮影装置の露出補償装置
Document Type and Number:
Japanese Patent JP2741236
Kind Code:
B2
Abstract:
An exposure compensation apparatus for use in a radiographic equipment to modulate local intensity of radiation. The exposure compensation apparatus comprises a detecting means to detect transmittance of radiation at a location of a radiated object, right left reversion means to reverse a location arrangement of the transmittance data on a line of a predetermined direction, an averaging means to average a pair of the original and reversed transmittance data of a location to acquire an averaged transmittance, and a local intensity control means to control a local intensity compensation means of the radiographic equipment.
Inventors:
Masayuki Nakazawa
Application Number:
JP5969889A
Publication Date:
April 15, 1998
Filing Date:
March 14, 1989
Export Citation:
Assignee:
Konica Corporation
International Classes:
G21K1/04; H05G1/26; H05G1/44; A61B6/00; H05G1/60; (IPC1-7): H05G1/44; A61B6/00
Attorney, Agent or Firm:
Fumio Sasashima