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US6675172: Data controlling device

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Filing Information

Inventor(s) Douwe Folkert Tolsma ·
Assignee(s) Descartes Systems Europe B.V. ·
Attorney/Agent(s) Young & Thompson ·
Primary Examiner Shahid Alam ·
Application Number US9207420
Filing date 12/08/1998
Issue date 01/06/2004
Predicted expiration date 12/08/2018
U.S. Classifications 707/102  · 709/102  · 707/10  · 707/1  ·
International Classifications --
Kind CodeB1
International Classifications 707 1 · 707100 · 707102 · 707200 · 707 10 · 707 3 · 709102 · 709223 · 712220 · 714 57 · 705 7 · 705 8 ·
Foreign Priority NL1007722 - 12/08/1997 ·
4 Claims, 5 Drawings


Abstract

A device for managing data relating to entities which may or may not be known beforehand comprises a central processing unit which, supplied with a suitable program code, is capable of receiving and storing the data in the form of status messages relating to one or more entities. The data is stored in a dynamic structure which for each entity provides space for a unique identification and for a first collection of references to possible subordinate entities and a second collection of references to superior entities. The structure is herein set up such that a status message relating to any entity is likewise valid for each subordinate entity associated with the relevant entity by means of its first collection.

Independent Claims | See all claims (4)

  1. 1. Device for managing data relating to entities which may or may not be known beforehand, comprising a central processing unit which, supplied with a suitable program code, is capable of receiving and storing the data in the form of status messages relating to one or more entities, characterized in that the data is stored in a dynamic structure which for each entity provides space for a unique identification and for a first collection of references to possible subordinate entities and a second collection of references to superior entities such that a status message relating to an entity is likewise valid for each subordinate entity associated with the relevant entity by means of its first collection wherein the device is characterized in that at least one conditional statement is linked to one or more entities in the structure, which statement results in the outcome provided therein as soon as the set condition is fulfilled.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US5566333 Trace Technologies, Inc. Olson et al. Oct 1996
US5608907* Digital Equipment Corp. Fehskens et al. Mar 1997
US5790536* Norand Corporation Mahany et al. Aug 1998
* cited by examiner

Other Publications

Young-Chul Shim et al., Storage and Access of Temporal Information for the Management of Complex Systems, pp. 264-272 Applied Computing, Mar. 1-3, 1992.

Referenced By

The current document is not referenced by other documents.

Patent Family