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Assignee: KABA-MAS Corp;
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Supervisor and subordinate lock system

WO EP US AU US6583712B1 Tim Reed Kaba Mas Corporation

Priority 1999-01-06 • Filed 2000-01-06 • Granted 2003-06-24 • Published 2003-06-24

The electronic supervisor and subordinate lock system employs an electronic lock as a supervisor lock and at least one other electronic lock as a subordinate lock. The supervisor lock controls and/or authorizes the opening of one or more subordinate locks.

Electronic combination lock utilizing a one-time use combination

EP US JP CA CA2133057C Gerald Lee Dawson Gerald Lee Dawson

Priority 1993-10-20 • Filed 1994-09-27 • Granted 2005-03-15 • Published 2005-03-15

1. An electronic combination lock comprising: an input dial for inputting numbers of a combination into said lock; a display for displaying numbers; an electronic control means for receiving said numbers of said combinations and for comparing said numbers with numbers of an authorized combination;

Solenoid controlled bolt control for an electronic lock

EP US CN JP KR CA EP0882860A2 Walter R. Evans Mas-Hamilton Group

Priority 1997-05-07 • Filed 1998-05-07 • Published 1998-12-09

An electronic combination lock (10) of the self-powered type, wherein the electrical energy for operation of the lock is developed within the lock itself, has a solenoid (40) and armature (42) which moves a latch (32) to allow downward movement of a slide (28) and so the withdrawal of bolt (14) …

Electronic reset for solenoid activated control in an electronic lock

EP US CN JP KR CA EP0877134A2 James D. Hill Mas-Hamilton Group

Priority 1997-05-07 • Filed 1998-05-07 • Published 1998-11-11

The technique for electronically resetting a magnetically sealed solenoid (40) to an unattracted, unactuated position is described for use with solenoids which have either a residual magnetic or a permanent magnet holding force necessary to retain the armature (42,44) of the solenoid (40) in its …

Combination lock

EP US CA EP0774556A2 Gerald Lee Dawson Mas-Hamilton Group

Priority 1995-11-15 • Filed 1996-11-15 • Published 1997-05-21

An electronic combination lock used on a container that is typically housed within an enclosure having a door which further has a lock and a security switch (851) indicating that the enclosure door has been opened is provided with a device (50) to shunt a security signal around the switch (851) …

High security electronic combination lock

US US6741160B1 Gerald L. Dawson Kaba-Mas Corporation

Priority 1998-10-20 • Filed 1999-10-18 • Granted 2004-05-25 • Published 2004-05-25

An electronic combination lock having a knob which has no divisions or markings relating to the numbers of the combination thereon. The rotation of the knob drives a generator, which produces electrical power. The power generated serves as a power source for the electronics of the lock. A knob …

Data and energy delivery system for an electronic lock

EP US CA DE ES DE69730482T2 Thomas R. Lexington Clark Kaba Mas Corp.

Priority 1996-12-19 • Filed 1997-12-16 • Granted 2005-02-24 • Published 2005-02-24

Electronic lock that self-energizes with: a bolt ( 31 ) having an extended locking position and a retracted unlocking position, an electronic controller responsive to electrical pulses for controlling movement of the bolt between positions, a shaft (10). 15 ) for a rotation in a first direction …

Motor with linear and rotary motion

WO US AU US6731025B2 Gerald L. Dawson Kaba-Mas Corporation

Priority 2000-04-12 • Filed 2001-04-12 • Granted 2004-05-04 • Published 2004-05-04

A motor that is capable of both linear and rotational motion. One coil translates the motor along its axis for linear motion and a second coil causes the shaft to rotate. Coacting with the translate coil is a translate magnet where the north and south poles are oriented along the motor shaft. A …

Method and apparatus for preventing the unauthorized opening of an electronic …

US US6377006B1 Gerald Dawson Kaba Mas Corporation

Priority 2000-08-11 • Filed 2000-08-11 • Granted 2002-04-23 • Published 2002-04-23

The present invention is an electronic lock having a shorting or shunt circuit designed to allow an authorized operator to open the electronic lock and which will prevent an unauthorized operator from opening the lock when authorized combination has not been entered.

Electronic combination lock utilizing a one-time use combination

US USRE38147E1 Gerald L. Dawson Kaba Mas Corporation

Priority 1993-10-20 • Filed 1999-10-19 • Granted 2003-06-17 • Published 2003-06-17

A combination lock is described where the combination that is used to open the lock is generated on a separate computer system using information that is contained in the lock and a series of steps that combine selected items of the information contained in the lock and alter the results of the …
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