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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7328850 | Financial and similar identification cards and methods relating thereto Apparatuses forming portable identification cards and associated methods are described. A preferred apparatus includes an input device adapted for a consumer to enter authentication data, a memory for storing reference data, a processor configured to compare the aut... | 02/12/2008 |
| 7312708 | RF tag recycling system and RF tag collecting apparatus The RF tag recycling system for recycling RF tags containing information on goods to which the RF tags are attached includes data storage mediums which are portable by consumers and issued by stores affiliated with the system, at least one RF tag collecting apparatu... | 12/25/2007 |
| 7200470 | Train detection system and a train detection method A train detection system includes transmitters receivers connected to a track circuit for transmitting and receiving a train detecting signal to and from the track circuit, and a control device on the ground, which transmits the train detecting signal to the transmi... | 04/03/2007 |
| 7191952 | Selectable multi-purpose card A selectable, multi-purpose card is provided. The card comprises a plurality of features stored in a memory storage device operatively mounted on the card. The plurality of card features allows the card to function as multiple cards, and a selection device mounted o... | 03/20/2007 |
| 7158008 | Electronic key system and method The present invention provides an electronic key system including an electrical/electronic key-like device and an electrical/electronic key receptacle capable of receiving a contactless type, contact type, or both types of key-like devices. The present invention fur... | 01/02/2007 |
| 7151451 | Near field presence detection device The invention relates to a near field presence detection device provided to monitor an area (11) around a mouth (2) of a reading member, in particular a card reading member (1). The device comprises a presence detector (3) including a tra... | 12/19/2006 |
| 7138732 | Security and energy control system and method A system detects for the presence of an identification (ID) code associated with an object. The detected ID code is communicated to a computer and power is provided to an energy consumption device. In response to detecting that the ID code has been absent for less t... | 11/21/2006 |
| 7113874 | Magnetic crash sensing method A signal generated responsive to a magnetic field in a magnetic circuit is decomposed into first and second filtered signals, wherein, at at least one first frequency, a magnitude of a component of the first filtered signal is greater than that of the second filtere... | 09/26/2006 |
| 7051561 | Electronic lock A mortise lockset apparatus (10) that includes a retractable bolt (20) movably supported within a case (12). A handle (18) is pivotally supported on a hub (16) supported in the case, the hub being operably connected to the retracta... | 05/30/2006 |
| 7016744 | Man-machine interface A man-machine interface is provided for a domestic appliance in which remotely sensed buttons, slider bars, marker pucks and a knob are used. The sensing coils for remotely sensing the positions of the buttons, slider bars, marker pucks and the knob are formed on a ... | 03/21/2006 |
| 6879242 | Color based lock and key A colored based lock and key, wherein the key includes a color indication incorporated thereon, and the lock includes a color sensor for identifying the color indication, so as to open the lock. According to a preferred embodiment of the invention, the key includes ... | 04/12/2005 |
| 6819218 | Maintenance/inspection support apparatus and entry/exit management apparatus A maintenance/inspection support apparatus including an inspection information storage section storing inspection information of a plurality of equipments serving as maintenance/inspection targets, an inspection information write section for writing, in a noncontact... | 11/16/2004 |
| 6801134 | System and method for automatic function operation with controlled distance communication having vehicle-based frequency selection A system (10) for remotely controlling a function includes a portable transceiver (34) that outputs a request signal (30) at one of a plurality of frequencies. A base unit (24) receives the request signal (30) and performs the requ... | 10/05/2004 |
| 6791450 | Networked digital locker lock system A system of locker compartments at various locations is controlled by a central system processor. A communication system from the central processor to all locations, and all lockers within a location, enables central control of rewritable locker access codes, reserv... | 09/14/2004 |
| 6753757 | Actuation device An actuation device, for example for a door lock, is capable of actuation by a control unit which can be initiated by a transponder reader unit, said control unit being connected to a magnetic signal evaluation unit. The transponder reader unit generates signals whi... | 06/22/2004 |
| 6693509 | Coding and decoding system for wireless telecommunication A coding and decoding system for wireless telecommunication comprises a wireless telecommunication device and a personal card. The wireless telecommunication device consists of a first piezoelectric substrate, a coded IDT, a first electrode-group, a first... | 02/17/2004 |
| 6417760 | Maintenance/inspection support apparatus and entry/exit management apparatus This invention is a maintenance/inspection support apparatus including an inspection information storage section storing inspection information of a plurality of equipments serving as maintenance/inspection targets, an inspection information write section... | 07/09/2002 |
| 6188309 | Method and apparatus for minimizing credit card fraud An intelligent credit card incudes a keypad for inputting numbers and other information, a processor for controlling the operation of the credit card, a power source, and an output device for selectively outputting the credit card number when the card is ... | 02/13/2001 |
| 6040762 | Magnetic switch for automotive security system A switching arrangement for a security circuit as for an automobile, in which an arming switch is mounted behind a covering structure at a concealed location. A switch is normally attached to a position covering spaced conductors turning on the security c... | 03/21/2000 |
| 5960100 | Credit card reader with thumb print verification means A credit card reader with thumb print verification means is provided including a credit card having a thin magnetic strip with an account number stored thereon and a thumb print image. Also included is an alert mechanism for providing an indication upon t... | 09/28/1999 |
| 5955961 | Programmable transaction card A programmable transaction card enables accessing a selected one of a plurality of different accounts with the same or different financial institutions through communication with an authorization center while providing important anti-fraud features. The t... | 09/21/1999 |
| 5940003 | Magnetic field sensor for a keyless access system for motor vehicles A magnetic field sensor for a keyless access system, particularly for motor vehicles, wherein the direction of incidence of electromagnetic radiation emitted by a transmitter in the short-range field can be detected. The magnetic field sensor has at least... | 08/17/1999 |
| 5933085 | Environmental control lock system The electric lock system combines an electric lock with an energy control unit such that when a guest key is used in the lock, the lock communicates with the energy control unit to move from an unsold state to a sold state. Optionally, the guest key has i... | 08/03/1999 |
| 5877685 | Information carrier for movement-responsive switch A sealing method by means of which breaking of a seal is detected at least subsequently. The method is mainly characterized by recording breaking of the seal in a readable manner with the aid of an updatable information carrier (2). The invention also rel... | 03/02/1999 |
| 5847656 | Electronic combination lock with high security features An electronic combination lock includes a combination lock having a dial with no markings thereon. Rotation of the dial drives a generator which produces electrical pulses. The voltage pulses serves as a power source for the electronics of the lock. The l... | 12/08/1998 |
| 5812067 | System for recognizing authorization to use a vehicle A system for recognizing authorization of a person to use a vehicle includes an optical-electronic image processor arranged to identify an authorized user of the vehicle by recognizing a distinctive physical feature of the user. The image processor provid... | 09/22/1998 |
| 5735152 | Locking system with magnetic field shield In a locking system comprising a lock unit and a key unit, each of which has an induction coil for transmitting power and data, the induction coil on the lock side is mounted by via a coil carrier on a lock body in the lock unit. Between the induction coi... | 04/07/1998 |
| 5686899 | Truck van door lock A truck van door lock wherein a lock assembly includes a lock housing having a solenoid to selectively project a locking bolt from the lock housing, with the locking bolt arranged for reception within a bolt receiving cavity of an adjacent latch housing, ... | 11/11/1997 |
| 5585787 | Programmable credit card A programmable credit card enables accessing of a selected one of a plurality of different credit accounts with the same or different credit card companies through communication with a clearing house for the credit accounts while providing important anti-... | 12/17/1996 |
| 5565846 | Reader system for waste bin pickup vehicles A reader for radio frequency identification tags having at least one magnetic field transmitting and receiving coil which is oriented in a given plane and which is responsive to a received magnetic exciter field of a first frequency to produce and radiate... | 10/15/1996 |
| 5550534 | Computerized magnetic key programmer An apparatus for programming a magnetic card key associated with a magnetic locking device. The apparatus is comprised of a computer coupled to an encoder unit. A list of codes are stored on the computer system. When a user desires to encode a magnetic ca... | 08/27/1996 |
| 5504483 | Control of input devices via a keyboard interface For operating input devices such as magnetic card readers (22) or keyswitches (23) on personal computers (11), these are connected to the keyboard processor (18) and activated by hitherto unused control codes. The data of the input devices are recoded int... | 04/02/1996 |
| 5461386 | Inductor/antenna for a recognition system An improved inductor/antenna (100)improves the selectivity of a recognition system (10) by ensuring that only the transponder (14) closest to the inductor/antenna (100) of an interrogator (12) receives therefrom, and reacts to, an interrogation signal (S1... | 10/24/1995 |
| 5451757 | Apparatus and method for controlled access to a secured location A system for authorizing access to a secured device, such as an automated teller machine (ATM) or a pay telephone, without a key or combination for the secured device, and without a fixed communication link extending to the device. An encoded access messa... | 09/19/1995 |
| 5376921 | Security system employing magnetization and detection A security system includes a magnet having a high magnetic field strength and wide flux area. Individuals seeking to enter or leave a secure area are directed so as to be in relatively close physical proximity to the magnet. Hard or soft ferrous material ... | 12/27/1994 |
| 5369394 | Magnetic security system responsive to predetermined persons A security system operates in response to an attempted egress through a door by a preselected person. The magnetic field of a permanent magnet is passed in a preselected spatial relation which respected a current generating device to generate a current up... | 11/29/1994 |
| 5289122 | Magnetic sensor for detecting coarse and fine magnetic patterns A magnetic sensor. A plurality of sensing parts are deposited and formed on an element substrate in film form. The inside two of the sensing parts are connected in series to use for a reading of a narrow pitch magnetic pattern, and the outside two of the ... | 02/22/1994 |
| 5010751 | Safe device and mechanism for operating the same The invention relates to a magnetic-card operated mechanism for closing and opening safes and to safes embodying it. The mechanism is powered by batteries and comprises means for reading a magnetic card, an electronic activating circuit and a locking mech... | 04/30/1991 |
| 4926332 | Locking device for vehicles A locking device for vehicles includes a card including a microprocessor and a transmitter for generating and transmitting commands for locking and unlocking the doors of a motor vehicle. A lock control device includes a microprocessor and a receiver for ... | 05/15/1990 |
| 4920338 | Automatic seat positioning device for automotive vehicle and the like A plurality of engine ignition keys are provided provided with codes which enable each key owner or user to preselect a seat position and automatically achieve the same position upon re-entering the vehicle simply by inserting the key into the engine igni... | 04/24/1990 |
