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| Number | Title | Issue Date |
| 4916443 | Method and apparatus for compiling data relating to operation of an electronic lock system A key is provided with a memory in which, without user intervention, it collects data relating to lock operations each time the key interacts with a lock. This data is subsequently downloaded from the key to a computer. In some embodiments, the keys colle... | 04/10/1990 |
| 4914732 | Electronic key with interactive graphic user interface An electronic key for an electronic lock system is provided with graphical user interface which can display a plurality of symbols corresponding to a plurality of functions that the key can cause the lock to execute. An operator of the key moves a visual ... | 04/03/1990 |
| 4887292 | Electronic lock system with improved data dissemination An electronic lock system is provided with a "lockout list" that identifies keys that are to be prevented from opening system locks. Date coded lockout lists are carried in the memories of both the system's locks and keys. When a lock and key engage, the ... | 12/12/1989 |
| 4845484 | Retrofit, newspaper tracking audit system for newspaper rack machines A retrofit, automatic audit system for a door-access, coin-operated newspaper rack machine is disclosed. The system operates in conjunction with the standard door-lock mechanism and includes a retrofit purchase-mechanism mounted on the machine. The purcha... | 07/04/1989 |
| 4829296 | Electronic lock system An electronic lock system adapted for use with receivers, such as parking meters, that include storage means and an electronically operable actuator for providing access to material such as coins contained within the storage means in response to an electr... | 05/09/1989 |
| 4818986 | Apparatus for controlling access to data storage devices Secured storage apparatus for preventing unauthorized access to information contained within data storage devices contained therein which utilizes a power disabling mechanism contained within the secured storage enclosure.... | 04/04/1989 |
| 4808993 | Electronic secure entry system, apparatus and method Card for use in a security system having at least two rows of spaced apart metallic elements with a predetermined arrangement so that the metallic elements are encoded with a non-erasable code. An opaque material encases the metallic elements to form a ca... | 02/28/1989 |
| 4783655 | Article monitoring system with printing capability A system for storing and electronically monitoring the locations of keys and other articles, and providing a printed record of transactions involving the stored articles. The articles are held on digitally coded article holders which are stored on a stora... | 11/08/1988 |
| 4768021 | Safe for loaded hand gun A safe for a loaded hand gun has a box which includes a receptacle for containing the gun. The receptacle has a bottom providing a mounting surface. A lid is hingedly mounted on the box and is movable between a closed position covering the receptacle and ... | 08/30/1988 |
| 4766746 | Electronic real estate lockbox system A comprehensive real estate lockbox system is disclosed which provides a variety of operational features. Some of these features include the ability to: record all accesses to all lockboxes; transfer all or part of such records from the lockboxes to a sup... | 08/30/1988 |
| 4750197 | Integrated cargo security system An integrated cargo transportation security system is provided for a fleet of enclosed cargo transportation containers. Each container includes a subsystem including a door sensor for sensing access door opening and closure, a module unit including a conn... | 06/07/1988 |
| 4727368 | Electronic real estate lockbox system Real estate lockbox and key designs are disclosed which provide a variety of operational features. Also disclosed is a comprehensive system that allows real estate boards and agencies to efficiently manage their lockbox operations. Features provided by th... | 02/23/1988 |
| 4698630 | Security system A security locking system includes a plurality of compartments each having a door giving access thereto and a lock for locking each such door; a console for controlling operation of the locks to permit access to the compartments, wherein the console inclu... | 10/06/1987 |
| 4663621 | Medicine cabinet A medicien cabinet has a housing and a door. The door is provided with an electrically operated lock which is operable by using the push keys. The opening code for the lock is initially set by inserting four keys into four holes in a four by ten array of ... | 05/05/1987 |
| 4641245 | Conveyor system comprising electrically driven conveyor cars that are closeable by means of a cover The closed position of the cover is secured by means of a latch to which an electromechanical actuator is allocated. A control code input at a dispatch station into a control circuit for the conveyor car maintains the latching of the cover until the input... | 02/03/1987 |
| 4626844 | Addressable electronic switch An addressable electronic switch which switches power to an electromechanical device upon detection of an individual access code in a serial data stream. The addressable switch is capable of series connection with a host computer and other peripheral devi... | 12/02/1986 |
| 4616111 | Remote controlled key dispensing apparatus One or more security receptacles, provided for safekeeping keys, include a deposit opening especially configured in a shape corresponding to the longitudinal cross-section of the key handle. A set of ramps oblique and a normally locked horizontal ramp in ... | 10/07/1986 |
| 4609780 | Electronic secure entry system, apparatus and method An apparatus for use in a secure entry system including a case and a container carried by the case. A mechanism is carried by the case and the container movable between container retaining and container access positions. A retainer is provided which is re... | 09/02/1986 |
| 4575719 | Controlled access storage system A controlled access storage system provides for selectively permitting custodial access to valuable items that can be stored in a safe within the system. The system provides an item-removal mode of operation during which a record member is used to gain ac... | 03/11/1986 |
| 4495540 | Electronic lock An electronic combination lock for luggage and the like comprises a microcomputer, a display having a plurality of display locations, and a plurality of push buttons, one being associated with each display location. Each push button advances its associate... | 01/22/1985 |
| 4283097 | Cassette for handling banknotes or the like A cassette for banknotes and like valuable articles is provided with a displaceable lid (6) and locking means (10) for latching the lid of the cassette when the cassette is located outside a housing (25) in which it is intended to be placed. An operating ... | 08/11/1981 |
| 4264782 | Method and apparatus for transaction and identity verification A method and apparatus whereby the senders and receivers of messages sent over a transmission system including a Host CPU may guarantee the integrity of the data content of the message and also the absolute identity of the sender. Each user of the system ... | 04/28/1981 |
| 4003026 | Vault security system A vault security system is provided for the storage of valuables with the system having specific means for the exclusion of unauthorized persons therefrom. The security system comprises a plurality of corridors, with storage vaults therein, a plurality of... | 01/11/1977 |
| 3976974 | Card-controlled lock installations including matrix circuits A multiple-output electrical matrix system having a plurality of outputs one of which can be selected in accordance with selection of a given combination of inputs, while utilizing only a small amount of power. This matrix system is suitable for use in a ... | 08/24/1976 |
