Multi-optical axis photoelectric sensor system

Details Multi-optical axis photoelectric sensor system Multi-optical axis photoelectric sensor system

2005-09-27

2008-03-25

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C340S556000, C709S209000

Reexamination Certificate

active

07348537

ABSTRACT:
To provide a multi-optical axis photoelectric sensor and a multi-optical axis photoelectric sensor system, which enable function setting by an extremely simple operation, and further make it unnecessary to increase the size of a housing or to separately prepare a PC or a function setting tool. The multi-optical axis photoelectric sensor has: a columnar housing, from one end of which in the longitudinal direction an electric cord is pulled out, and at the other end of which in the longitudinal direction a plug-in type socket is provided, and a plug piece detachably attachable to the socket of the columnar housing. Particular information to serve as a function determining element on the columnar housing side is incorporated in the plug piece in a manner referenceable from a processing circuit on the columnar housing side via the socket. Further, the processing circuit on the columnar housing side is set so as to determine a function based upon particular information in the plug piece referenced via the socket.

REFERENCES:
patent: 5015840 (1991-05-01), Blau
patent: 6137408 (2000-10-01), Okada
patent: 6256881 (2001-07-01), Starkey
patent: 6411856 (2002-06-01), Takeuchi et al.
patent: 6635862 (2003-10-01), Shteynberg et al.
patent: 2007/0069114 (2007-03-01), Clifton et al.

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