Electronic white board apparatus

Details Electronic white board apparatus Electronic white board apparatus

1997-12-11

1999-06-22

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347264, 358488, 358413, G03B 2700

Patent

active

059147458

ABSTRACT:
In an electronic white board apparatus, when at power on a screen is not in a screen home position, the screen is moved in a first direction. When the screen reaches the home position during a predetermined movement thereof, the screen is stopped. If the screen does not reach the home position even after it has been moved more than the predetermined movement, the screen is moved in the opposite to the first direction until the screen reaches the home position.

REFERENCES:
patent: 5023705 (1991-06-01), Kondo et al.
patent: 5564845 (1996-10-01), Yamaguchi et al.

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