| 摘要 |
PCT No. PCT/GB96/01543 Sec. 371 Date Feb. 18, 1998 Sec. 102(e) Date Feb. 18, 1998 PCT Filed Jun. 27, 1996 PCT Pub. No. WO97/02498 PCT Pub. Date Jan. 23, 1997A camera system for recording a transient radiation event consisting of direct (2) and scattered (4) radiation. The camera system comprises a first fluorescent screen (10) which produces a light image (11) of the direct radiation (2) and a television camera (18) which is positioned to receive that image (11) and which is provided with means for removing any spurious signals from the scattered radiation (4). A shutter means is placed between the screen (10) and the camera (18) which is arranged to open after the spurious signal has been removed to allow the camera to record the light image (11) retained on the screen (10). |
