B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
364/35, 375/49,
B66B 3/00 (2006.01) H04B 10/00 (2006.01) H04N 1/00 (2006.01) H04N 5/74 (2006.01) H04N 7/22 (2006.01) H04N 9/31 (2006.01)
Patent
CA 1217585
ABSTRACT OF THE DISCLOSURE An elevator display system employs an optical fiber 10 for transmitting image display information between devices at an elevator boarding site and a control panel installed in a machine room via modulated laser. At the boarding site the beam is deflected in an X, Y scanning mode and passed onto a half-mirror beam splitter 14. One portion exiting the mirror is directed to a view- ing screen 6 to display the desired image, while another portion is converted to a power supply signal by an ele- ctrooptical transducer 15 for driving the display deflec- tion circuits, thereby eliminating the need for electrical wiring between the control panel and the boarding site.
459272
Mitsubishi Denki Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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