Patent Number: 
Section: claims

1. A rectangular frame system with one to two discoid radiation filters for filtering the spectrum of a tanning radiator, with an upper plate, a lower plate and two to three marginal members wherein two marginal members lie opposite one another and the join the upper plate to the lower plate the upper plate having a first opening whose perimeter describes a circle, an ellipse, a rectangle or a polygon, and the lower plate has a rectangular second opening, the second opening having a greater area than the first opening, and on the two oppositely lying marginal members, which border on the side of the frame system at which no marginal member is provided, at least two double spring clips are arranged such that between the lower plate and the double spring clips a first radiation filter is clamped. 2. A rectangular frame system according to  claim 1 , wherein the first radiation filter is an interference filter. claim 1 3. A rectangular frame system according to  claim 1 , wherein the first radiation filter is of rectangular shape. claim 1 4. A rectangular frame system according to  claim 1 , wherein the first radiation filter has a width and a length ranging from 215 mm to 240 mm. claim 1 5. A rectangular frame system according to  claim 4 , wherein the first radiation filter has a width of 225 mm and a length of 230 mm. claim 4 6. A rectangular frame system according to  claim 1 , wherein a second radiation filter is clamped between the upper plate and the double spring clips. claim 1 7. A rectangular frame system according to  claim 6 , wherein the second radiation filter is an ultraviolet filter or an infrared filter. claim 6 8. A rectangular frame system according to  claim 7 , wherein the second radiation filter is of rectangular shape. claim 7 9. A rectangular frame system according to  claim 8 , wherein the second radiation filter has a width and a length ranging from 215mm to 240 mm. claim 8 10. A rectangular frame system according to  claim 9 , wherein the second radiation filter has a width of 225 mm and a length of 230 mm. claim 9 11. A rectangular frame system according to  claim 6 , wherein the double spring clips are configured such that the second radiation filter can be inserted from the side of the frame at which no marginal member is present, between the upper plate and the double spring clips. claim 6 12. A rectangular frame system according to  claim 6 , wherein the first radiation filter has on its side facing away from the second radiation filter an imprint or an adhesive label. claim 6 13. A rectangular frame system according to  12 , wherein the imprint or label has an opaque marginal area. 14. A rectangular frame system according to  claim 1 , wherein the double spring clips are arranged half-way between the upper plate and the lower plate. claim 1 15. A rectangular frame system according to  claim 1 , wherein the double spring clip is formed from at least one bent metal wire. claim 1 16. A rectangular frame system according to  claim 15 , wherein the double spring clip is shaped according to  FIG. 3 a.  claim 15 17. A rectangular frame system according to  claim 15 , wherein the double spring clip is shaped according to FIG.  3 . claim 15 18. A rectangular frame system according to  claim 1 , wherein the double spring clip is formed from at least one flat spring plate. claim 1 19. A rectangular frame system according to  claim 1 , wherein the double spring clips are configured such that the first radiation filter can be inserted from the side of the frame system on which no marginal member is present, between the lower plate and the double spring clips. claim 1 20. A rectangular frame system according to  claim 1 , wherein on the side of the frame system at which no marginal member is present a device is provided to prevent the one to two radiation filters from slipping back. claim 1 21. A rectangular frame system according to  claim 1 , wherein on the side of the frame system that is opposite the side on which no marginal member is present, a device is provided and/or a third marginal member to prevent the dropping out of the one to two radiation filters. claim 1 22. A tanning module with a housing, a tridimensional reflector disposed on or in the housing, and with a rectangular frame system according to  claim 1 , on one side of the housing , wherein the first radiation filter covers the radiation emitting area of the reflector and the lower plate faces away from the reflector. claim 1 23. A tanning module according to  claim 22 , wherein the rectangular frame system can be released from the housing through a swivelling mechanism. claim 22 24. A tanning module according to  claim 23 , wherein the rectangular frame system is hooked into the housing. claim 23 25. A tanning module according to  claim 24 , wherein the rectangular frame system is hooked into an opening according to  FIG. 8  in the housing. claim 24 26. A tanning module according to  claim 23 , wherein the rectangular frame system is fixed in position by means of a snap mechanism. claim 23 27. A tanning module according to  claim 22 , wherein a perimeter of the reflector parallel to the radiation emitting area describes a circle, an ellipse, a rectangle or a polygon. claim 22 28. A tanning module according to  claim 27 , wherein the reflector is formed of facets and the perimeter of the reflector parallel to the radiation emitting area describes a polygon with twelve corners. claim 27 29. A tanning module according to  claim 28 , wherein the reflector has a height of 90 mm to 95 mm, and the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) ranging from 210 to 230 mm. claim 28 30. A tanning module according to  claim 29 , wherein the reflector has a height of 93.6 mm. claim 29 31. A tanning module according to  claim 29 , wherein the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) of 210 mm. claim 29 32. A tanning module according to  claim 28 , wherein the reflector has a height ranging from 110 mm to 125 mm, and the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) ranging from 170 mm to 200 mm. claim 28 33. A tanning module according to  claim 32 , wherein the reflector has a height of 118.7 mm. claim 32 34. A tanning module according to  claim 32 , wherein the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) of 184 mm. claim 32 35. A tanning module according to  claim 28 , wherein the reflector has a height ranging from 75 mm to 90 mm, and the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) ranging from 205 mm to 235 mm. claim 28 36. A tanning module according to  claim 35 , wherein the reflector has a height of 83.3 mm. claim 35 37. A tanning module according to  claim 35 , wherein the dodecagon has in the plane of the radiation emitting area a maximum diameter (corner to corner) of 220. claim 35