X-ray or gamma ray systems or devices – Electronic circuit – With switching means
Patent
1992-03-20
1993-01-05
Howell, Janice A.
X-ray or gamma ray systems or devices
Electronic circuit
With switching means
378115, 378197, H05G 154
Patent
active
051777789
ABSTRACT:
An X-ray radiographing apparatus is provided with an interlock mechanism to avoid mutual interference of movable elements such as an X-ray unit, a compression cone, a table, a tabletop and a spot-film device. When a judging element judges, in response to information outputted from a position detecting element of the movable elements and switches operated by an operator, that interlock should be done, an interlocking element is worked, and then a teaching unit is worked. Thus, the interlocked state itself and how to unlock from the interlocked state can be taught to the operator with graphic images by the teaching unit.
REFERENCES:
patent: 4969170 (1990-11-01), Kikuchi et al.
patent: 4991193 (1991-02-01), Cecil et al.
Nakada Hisanori
Tsurumaki Haruyuki
Howell Janice A.
Kabushiki Kaisha Toshiba
Wong Don
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