06057756 is referenced by 152 patents and cites 68 patents.

Methods and apparatus are disclosed for location of objects to facilitate retrieval, filing, security, inventory stock-keeping and the like. The methods and apparatus employ a tag element associated with each object-to-be-located, and interrogation system for searching one or more spatial regions for such tagged items, as well as mechanisms for identifying objects within the interrogated region.

Title
Electronic locating systems
Application Number
478866
Publication Number
6057756
Application Date
August 14, 1998
Publication Date
May 2, 2000
Inventor
Thomas J Engellenner
11 Birch Hill Rd., Newton, 02165
MA, US
Agent
William C Nutter McClennen & Fish Geary III
IPC
G08B 26/00
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