Optical waveguides – Optical fiber bundle
Patent
1995-04-07
1996-09-10
Bovernick, Rodney B.
Optical waveguides
Optical fiber bundle
385901, G02B 604
Patent
active
055553397
ABSTRACT:
The invention relates to a display matrix having light-conveying fibers that are maskable by disks each having a plurality of sectors and rotated by non-reversible motors each having two stable positions and under the control of a display control device. Each disk is provided with a detector device for detecting at least one angular position of said disk and connected to a device for monitoring matching, which device is itself connected to the display control device and acts on an activation device for the motor of said disk. The detection device advantageously includes a photoelectric sensor and a reflecting element disposed on a light-blocking sector of the disk.
REFERENCES:
patent: 3962702 (1976-06-01), Kriege
patent: 4524271 (1985-06-01), Parker
patent: 4794391 (1988-12-01), Costa et al.
Migny Philippe
Passet Pierre
Bovernick Rodney B.
Securite et Signalisation - S.E.S.
Wise Robert E.
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