Method and arrangement for implementing the movements of the...

Details Method and arrangement for implementing the movements of the... Method and arrangement for implementing the movements of the...

2002-03-27

2008-08-05

Kao, Chih-Cheng G (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Dental panoramic

C378S038000

Reexamination Certificate

active

07409036

ABSTRACT:
The invention relates to a method and an arrangement for controlling the movements of the functional elements (13-16) of an X-ray apparatus, such as a panoramic X-ray apparatus. In the method, one or more power means (1) provided with a control system (21), a power stage (11) and a rotating power output shaft (2) is/are controlled so as to produce the aforesaid movements of the functional elements. The power output shaft (2) of the power means is caused to rotate by the control system and the power stage so that the power output shaft is in direct contact with the force receiving means (3, 3a) of the functional element.

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Xu, Du et al., “A Method and Implementation of Fully Digitized Continuous Microstep for Step Motor,” In: 1997 IEEE International Electric Machines and Drives Conference Records, 18-21 Mat 1997, pp. TC2/9.1-9.4.
International Search Report for PCT Application No. PCT/FI02/00264, issued by the Swedish Patent Office on Jul. 10, 2002.

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