Time controlled lock system

USRE36426E · kind E · reissue

Assignee

• TrioVing AS · NO

Inventors

• Tore H. Wiik · Moss, NO
• Arild Pettersen · Moss, NO
• Malyor Aase · Moss, NO
• Torstein Tonnesson · Moss, NO

Key dates

• Filing date: Nov 8, 1995
• Grant date: Dec 7, 1999
• Expiry date: Nov 8, 2015

Classification

• Technology area (CPC —): General

Abstract

A lock system, comprising at least one off-line lock and at least one key, e.g. as a key card with encoded data, said lock including an electro/mechanical locking mechanism which can be affected by the key, and a key reader enabled to read the encoded data on the key, memorize said data and compare these data with data stored in the key reader for the purpose of, depending of certain comparable data, affecting the locking mechanism. The data used in the system comprise user identification, lock identification, valid time window and also override criteria e.g. time related criteria for invalidating prior used keys.