Searching for lost item

Details Searching for lost item Searching for lost item

2007-12-04

2007-12-04

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

10961851

ABSTRACT:
An item that might be lost is provided with a badge featuring an array of glass beads. In seeking to retrieve such a lost item, an atmospheric-penetrating beam of laser is directed into the search area, and the signals from a reflectometer are monitored. The item having the badge of the array of glass beads is more easily retrievable when lost or mislaid than an item without such badge.

REFERENCES:
patent: 4158853 (1979-06-01), Sullivan et al.
patent: 4991851 (1991-02-01), Melesio
patent: 5651741 (1997-07-01), Masutani et al.
patent: 5662533 (1997-09-01), Chadwell
patent: 6120394 (2000-09-01), Kametani
patent: 6462303 (2002-10-01), Brown
patent: 6803575 (2004-10-01), McLaughlin
patent: 2004/0138007 (2004-07-01), Kim et al.

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