X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Patent
1996-04-22
1998-05-12
Wong, Don
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
H05G 164
Patent
active
057517827
ABSTRACT:
An X-ray computerized tomography apparatus having an X-ray tube or detector constantly rotated an around an object for acquiring data during specific phase segments of the motion of the object. A period h and a phase are detected from R waves of an electrocardiogram. Searching is then done through a table to provide delay time d, measuring time e, rotating time k (being an integer not a multiple of period h), and counts n corresponding to the period h to the expression below:
REFERENCES:
patent: 5357550 (1994-10-01), Asahina et al.
patent: 5463666 (1995-10-01), Eberhard et al.
GE Yokogawa Medical Systems Limited
Kojima Moonray
Wong Don
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