| 摘要 |
<p>PCT No. PCT/SE81/00251 Sec. 371 Date May 7, 1982 Sec. 102(e) Date May 7, 1982 PCT Filed Sep. 9, 1981 PCT Pub. No. WO82/00897 PCT Pub. Date Mar. 18, 1982.A multitube collimator for a camera, especially a scintillation camera, whose sensitivity and resolving power may be varied by changing the length, slope, dimension or shape of the tubes (10). This is achieved by that the grid at least at two opposed limiting sides is surrounded by guiding means (11) which are arranged to, by parallel movement and/or by moving towards or apart from each other, influence the collimator tubes (10) collectively referred to the positions of the tubes relative to the guiding means (11) and/or the dimension of the tubes in the longitudinal and/or transverse direction.</p> |
