Laser activated audible signal emitting leveler
AssigneeMolitech Corporation
InventorJoseph Molitorisz
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Abstract
This invention pertains to the leveling device applying the optical interaction between a laser beam and a freely floating air bubble confined in a transparent, liquid-filled vial. When the air bubble is impacted by the laser beam, the curved surface of the air-bubble deflects the beam toward the end of the vial, where a photo-electric device is positioned. The photo-electric device activates a sound emitter such as a buzzer. The function of the level being based on the optical interaction between a laser beam and the curvature of an air-bubble, it is highly accurate and consistent. It is applicable for vertical and horizontal settings, has an adjustable arm for secure attachment to structural frames or other objects. No direct eye and manual contact with the device is needed while in operation.
Claims4
A leveling device comprising:
- a freely floating air-bubble confined in a liquid-filled transparent tubular vial having an end, a mid-section and a longitudinal axis;
- a laser beam emitter operable to generate a laser beam directed substantially perpendicular to the longitudinal axis of said tubular vial at or near its mid-section;
- a power source, a sound emitter, a photo-electric device disposed at the end of the vial, and an electric circuit coupling each to each other such that when the photo-electric device receives light from the laser beam, the circuit closes causing the sound emitter to generate an audible signal from power received from the power source;
- and
- wherein when said air-bubble is at the impact point of said laser beam, the bubble's curved surface deflects the laser beam toward the photo-electric device.
Dependencies are inferred from the claim text.