Apparatus and method for operating devices

Details Apparatus and method for operating devices Apparatus and method for operating devices

1998-11-06

2000-03-28

Font, Frank G.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250221, G01J 132

Patent

active

060434775

ABSTRACT:
An apparatus for operating devices such as image, light and/or sound equipment, electromechanical equipment and so on, has at least one laser source for generating a continuous operating laser beam which is directed continuously, with or without reflection, at one or more sensors responding to light flux variations of the laser beam, and a control circuit containing each sensor for controlling the devices the laser beam generated by the laser source is wholly or partially masked so that physical contact with wear-susceptible operating means is not necessary and an object, for instance a hand, is simply placed into the laser beam.

REFERENCES:
patent: 4878050 (1989-10-01), Kelley
patent: 5515079 (1996-05-01), Hauck
patent: 5541695 (1996-07-01), Teremy et al.
patent: 5786890 (1998-07-01), Noh

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