Patent ID: 8263957
Filing Date: 2012-09-11
Classification: G01T,G03B

Abstract:
1. An apparatus for acquiring a digital X-ray image that inserts an imaging plate (IP) into the entrance of a case body, scans a laser beam onto the IP, and acquires an image signal from latent images accumulated by scanning radiation onto the IP, the apparatus comprising: a laser beam scanning unit guiding the laser beam generated from laser; a reflection mirror installed in the entrance of the case body and having the laser beam scanned by the laser beam scanning unit reflected onto the IP without emitting the laser beam to the outside; a dichroic filter transmitting through the laser beam reflected by the reflection mirror to be scanned on the IP and reflecting a blue wavelength light having photostimulated luminescence on the IP by the scanning of the laser beam; an optical fiber transferring the blue wavelength light having photostimulated luminescence on the IP to a band-pass filter; a band-pass filter transmitting the blue wavelength light therethrough and preventing a red wavelength light from transmitting therethrough in order to acquire the blue wavelength light transferred through the optical fiber; a photo-multiplication tube acquiring and collecting blue wavelength image signals transmitting through the band-pass filter and amplifying images; two position detection sensors installed at both ends of the entrance of the case body and detecting positions where the laser beam is scanned; a transfer member installed inside the case body, having the IP hooked thereto, and transferring the IP forward and backward; a power transmission unit transmitting power to allow the transfer member to operate; and a controller controlling the operations of the laser, the laser beam scanning unit, the position detection sensors, and the power transmission unit.