X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Patent
1994-09-02
1996-08-13
Porta, David P.
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
378106, A61B 600
Patent
active
055464408
ABSTRACT:
An X-ray diagnostic apparatus repeatedly radiates pulse-like X-rays, repeatedly images X-rays passing through an object to be examined at a predetermined frame period, and sequentially displays a plurality of images thus obtained repeatedly. In this invention, the exposure dose can be reduced since the number of X-ray irradiation times per unit time is set to be smaller than the number of frames to be imaged per unit time.
REFERENCES:
patent: 4412247 (1983-10-01), Herbaschek
patent: 4555728 (1985-11-01), Fenster et al.
patent: 4628355 (1986-12-01), Ogura et al.
patent: 4658413 (1987-04-01), Nishioka et al.
patent: 4905264 (1990-02-01), Ogura
patent: 5107528 (1992-04-01), Asahina et al.
patent: 5400383 (1995-03-01), Yassa et al.
Aoki Kunio
Asahina Hiroshi
Kanebako Toyomitsu
Nakatani Yoshinori
Kabushiki Kaisha Toshiba
Porta David P.
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