DE1845184U - PROJECTOR. - Google Patents

Description

P r o j e c t o r The innovation concerns a projector for tape magazines is suitable and which is particularly easy to change due to its training Tape magazines permitted.

There are already projectors known for tape magazines in which the Tape magazines ran in the vertical direction. With these projectors, the transport makes the tape magazines certain difficulties from picture to picture. Difficulties also arise when endless tape magazines are to be used. The remedy the present innovation.

According to the innovation is arranged in a projector for in tape magazines Slides the image plane through which the slides pass, horizontally arranged. To transport the tape magazine are known means, for example Toothed rollers, gripper mechanism, Maltese cross gear or the like. For forward and backward movement of the tape magazine provided. To prevent excessive heating of the slide, can in the beam path between the condenser and the slide, known cold light mirrors be switched 6 In Figures 1 to 3 is an example of the innovation shown.

Figure 1 is a side view of the inventive projector with no tape installed; Figure 2 is a front view of the projector with the projector inserted CD Tape ; Figure 3 shows schematically the beam path in a projector. C>t> The same reference numerals apply to all figures for the same parts.

The projector 1 has, in a known manner, an objective 2 and inside a light source 3, a parabolic mirror 4 and a condenser 5 (Figure 3). Of the The light beam coming from the light source 3 is preferably passed through a cold light mirror 6 deflected by 900 and falls vertically onto the image plane 7 in which this is not drawn slide is located. The beam is then through a second mirror 8 is deflected again by 900 and arrives at lens 2 and from there to the projection screen. It can be seen from FIGS. 1 and 2 that the horizontal image plane 7 is essentially consists of a slot in the projector body.

To transport the tape magazine 9 with the individual slides are known transport means provided, for example toothed rollers 10, 11, the be driven in a known manner, for example by Geneva gears. The transport mechanism is expediently designed in such a way that it is possible move the tape magazine forwards and backwards as well. On the side of the housing of the projection apparatus sits a table 12, the area of which is at the level of the image plane 7 lies, whereupon the passing tape with the slides loud, so that the presenter look at the respective picture or can replace.

The horizontal arrangement of the picture window 7 respectively. the horizontal Management of the tape magazine has the great advantage that changing the (positive is possible without difficulty. This is with a vertical arrangement of the picture magazine not possible because the separated part of the picture magazine has a tendency to go down to fall resp. return to the retractor.

Claims (4)

Protection claims 1. Projector for slides arranged in tape magazines, characterized in that the image plane through which the slides pass is arranged horizontally. 2. Projector according to claim 1, characterized in that per se known mechanical means, for example toothed rollers, gripper mechanisms, holding cross gears Or the like., Are provided for the forward and backward movement of the tape magazine. 3. Projector according to claim 1 and / or 2, characterized in that a horizontal table (12) is attached to the projection housing (1), whose Area at the level of the picture stage (7). 4. Projector according to claim 1 and / or the following, characterized in that that in the beam path between the condenser (5) and slide a known per se Cold light mirror (6) is switched.