Apparatus for locating file folders

Details Apparatus for locating file folders Apparatus for locating file folders

1993-09-03

1995-06-13

Moore, David K.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359158, 34082536, 34082554, H04B 1000

Patent

active

054248582

ABSTRACT:
A portable electromagnetic transmitter providing varied selected coded outputs for selectively actuating a selected receiver among a plurality of folders each provided with a receiver. The receiver provides an output signal locating the file. Shelves holding the file folders may include electrical power conductors for energizing the receivers.

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