Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2006-01-17
2006-01-17
Pyo, Kevin (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S221000, C340S635000
Reexamination Certificate
active
06987260
ABSTRACT:
A module from which photoelectric sensors of different types with different functions can be constructed is integrally formed with an optical assembly and a detection circuit assembly. The optical includes a lens and its holder and the detection circuit assembly and includes an integrated circuit and terminals connected to it. The integrated circuits include different circuits with various functions such as a detection circuit for detecting presence or absence of a target object of detection. The terminals include input and output terminals for passing signals to and from selected ones of these circuits depending on the desired functions of the photoelectric sensor to be formed by using the module.
REFERENCES:
patent: 6756577 (2004-06-01), Nakanishi et al.
Konishi Shoichi
Shibayama Masahiko
Yoshida Hiroshi
Beyer Weaver & Thomas LLP
OMRON Corporation
Pyo Kevin
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