Electronic locating systems
First Claim
Patent Images
1. A method of taking inventory of distributed items comprising the steps of:
- coding each item to be located with a tag responsive to a predetermined electromagnetic signal;
interrogating at least one spatial region with said electromagnetic signal to cause the tag to generate a responsive signal if present within the region;
detecting said responsive signal to confirm the tagged item'"'"'s presence within a particular region;
storing an inventory of information on locations of particular tagged items in a data storage device,inputting an inquiry for information on the location of an item;
re-interrogating at least one spatial region to determine the location of the item;
updating said inventory of information on locations of particular tagged items in said data storage device, and providing a response to the inquiry.
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Abstract
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.
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Citations
1 Claim
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1. A method of taking inventory of distributed items comprising the steps of:
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coding each item to be located with a tag responsive to a predetermined electromagnetic signal; interrogating at least one spatial region with said electromagnetic signal to cause the tag to generate a responsive signal if present within the region; detecting said responsive signal to confirm the tagged item'"'"'s presence within a particular region; storing an inventory of information on locations of particular tagged items in a data storage device, inputting an inquiry for information on the location of an item; re-interrogating at least one spatial region to determine the location of the item; updating said inventory of information on locations of particular tagged items in said data storage device, and providing a response to the inquiry.
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Specification