Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1995-12-29
1998-05-19
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2502082, B23K 100, B23K 300
Patent
active
057539049
ABSTRACT:
A tool (10) is effective to carry balls (30) and to detect any balls missing from the tool (10). The tool (10) includes a housing (12) that includes a face plate (16) that has a plurality of bores (18) extending between an inner face (22) and an outer face (24) opposite the inner face (22). The bores (18) each have a concave seat that is sized and shaped to receive a ball (30). The housing (12) defines a chamber (14) that prevents light from entering except through the bores (18). The housing (12) further includes a photodetector (20) within the chamber (14) to receive light that passes through the bores (18), which indicates the absence of a ball from the face plate (16).
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Ebbitt Peter Lewis
Gil Jorge Carlos
Musco Richard George
Pack Thomas John
Fekete Douglas D.
MacIntyre John B.
Motorola Inc.
Pyo Kevin
Westin Edward P.
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