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| Number | Title | Issue Date |
| 7489460 | Magnetic data read circuit and card processing unit A magnetic data read circuit includes a differentiation circuit and an integration circuit which are individually connected to a magnetic head, and a means of read judgment for pass/fail judgment on reading operation of magnetic data detected at the magnetic head. T... | 02/10/2009 |
| 7347370 | Self-aligning magnetic read head incorporating lift-up detection Magnetic reading head assemblies are described that enable the alignment of a magnetic reading head to a track of magnetic information on a data card. In addition, embodiments of the present invention can enable the detection of misalignments in circumstances where ... | 03/25/2008 |
| 7290709 | Information card system A data distribution system (10) including an information card (12) to work with a reader (14, 72). The information card (12) includes visible indicia (20) on its front, stripe zones (34) and a ring zone (36) nominally... | 11/06/2007 |
| 7252232 | Adaptor for magnetic stripe card reader An adaptor allows a magnetic stripe card reader to receive information from other media such as wireless proximity chip cards while maintaining the ability to receive a magnetic stripe card. In accordance with one embodiment, the adaptor includes a simulacrum struct... | 08/07/2007 |
| 7251092 | Data transfer apparatus and method for transferring data Data transfer apparatus may include a housing substantially conforming to a dimensional standard for a specified type of data cartridge. A reader mounted to the housing interrogates and receives data from a memory system provided on a data cartridge when the data tr... | 07/31/2007 |
| 7185814 | Layer structure and method of manufacture for optical memory strip (OMS) This invention discloses an optical memory strip and a data card that has at least an optical memory strip as a cutoff piece bonding and attaching to the data card for storing data accessible with an optical read/write head. The data card can further includes at lea... | 03/06/2007 |
| 7174369 | System and methods of updating compact disc cards and graphical user interface for updating same A system and method for updating a compact disc card (CD-card) includes a computer having software defining a server. The server has first compact disc card updating software for storing compact disc card update data. A plurality of remote computers are in communica... | 02/06/2007 |
| 7163148 | Magnetic stripe reader A magnetic stripe card reader for reading a magnetic stripe on a card having at least one track of magnetically stored information stored thereon as a stream of encoded discrete data bits separated by bit times is disclosed. Aa magnetic head is provided for reading ... | 01/16/2007 |
| 7152097 | System and methods of updating compact discs and graphical user interface for updating same A system and method for updating a compact disc card (CD-card) includes a computer having software defining a server. The server has first compact disc card updating software for storing compact disc card update data. A plurality of remote computers are in communica... | 12/19/2006 |
| 7106536 | Write head demagnetizer A demagnetizer for an inductive load having a driver circuit including at least one transistor and a ramp-down voltage source switchably connected to the driver circuit, so that when the ramp-down voltage source is connected to the transistor, it drives the voltage ... | 09/12/2006 |
| 7092178 | Magnetic recording method, apparatus therefor, and device for determining coercive force of magnetic recording medium A method and apparatus are disclosed for determining an appropriate write current for a magnetic recording medium and to write magnetic information on the magnetic recording medium at the appropriate write current thus determined. When a current value suited to writ... | 08/15/2006 |
| 7088537 | Removing residual magnetization in a data transducer Method and apparatus for removing residual magnetization in a data transducer, such as a recording head used to write data to a recording medium in a data storage device. A residual magnetization sense circuit senses a residual magnetization of a pole of the data tr... | 08/08/2006 |
| 7051932 | Adaptor for magnetic stripe card reader An adaptor allows a magnetic stripe card reader to receive information from other media such as wireless proximity chip cards while maintaining the ability to receive a magnetic stripe card. In accordance with one embodiment, the adaptor includes a simulacrum struct... | 05/30/2006 |
| 7044394 | Programmable magnetic data storage card A payment card comprises a plastic card with a magnetic stripe for user account data. Internal to the plastic card, and behind the magnetic stripe, a number of fixed-position magnetic write heads allow the user account data to be automatically modified. For example,... | 05/16/2006 |
| 7038878 | Micromover configured to move a magnetic storage medium in perpendicular directions in a plane A storage device comprising a magnetic storage medium mounted in a first plane, a read and write mechanism mounted in a second plane that is parallel to the first plane and configured to write information to the magnetic storage medium, and a micromover configured t... | 05/02/2006 |
| 7036739 | Data storage device apparatus and method for using same A data storage device for use as a portable card, magnetically encodeable card, magnetic credit card or the like is shown. The data storage device includes a substrate having at least one surface. A high density, magnetically coercive material layer is disposed on o... | 05/02/2006 |
| 7039205 | Techniques for audio transducer switching under programmatic and off hook interrupt control Techniques for configuring multiple audio transducers, including telephony devices, are provided. Audio configurations for the multiple audio input and output transducers can be selected by the user. When it is determined that a telephony device has gone off hook, t... | 05/02/2006 |
| 7028897 | Adaptor for magnetic stripe card reader An adaptor allows a magnetic stripe card reader to receive information from other media such as wireless proximity chip cards while maintaining the ability to receive a magnetic stripe card. In accordance with one embodiment, the adaptor includes a simulacrum struct... | 04/18/2006 |
| 7023778 | Playback apparatus and power-saving method In a playback apparatus which plays back music in a plurality of audio formats, a control unit detects a voltage level of a power supply unit and restricts a playback of music in one of the audio formats, which requires power consumption whose amount exceeds a given... | 04/04/2006 |
| 7017811 | Electronic card encoder A key card encoder incorporates a plunger that is pushed downward as the card is manually inserted into a slot in the encoder and a potentiometer whose value changes based on the plunger position to indicate the card's position at all times. As the card is inserted ... | 03/28/2006 |
| 7010156 | Apparatus and methods for positioning a document against a read head in a document processing system Apparatus and methods are described for controlling the positioning of a document relative to a read head in a document processing system. A pressure applying element urges the document against the read head. A speed measuring element rotated by the pressure applyin... | 03/07/2006 |
| 7003469 | Audio signal processing apparatus and method thereof A digital audio signal to be replayed is processed in a waveform thereof. A frequency bandwidth of the audio signal is expanded through conversion of a sampling frequency, and then the audio signal is low-pass-filtered with a low-pass cut-off frequency corresponding... | 02/21/2006 |
| 6964414 | Jam clearance in a vertical sheet transport in a printing apparatus In a printing apparatus or copier, a vertical portion of a paper path is formed between two flat members. To remove jammed paper from the path, one of the flat members is moved, by a hinge, from the other, releasing any sheet in the path. Released sheets drop down t... | 11/15/2005 |
| 6934098 | Data card with a full circular track for alignment and amplitude calibration This invention discloses a flat data storage medium that includes a plurality of substantially parallel data arc-segments. The data arcs further include at least one full circle data track provided for obtaining a measurement of an average amplitude of data signals ... | 08/23/2005 |
| 6927928 | Support structure of a magnetic head and magnetic card reader There is provided a support structure for a magnetic head in which a magnetic head having a function of being capable of following a warp or the like of a magnetic card can be easily attached and detached without using a fastening member such as a screw. A support s... | 08/09/2005 |
| 6909562 | Control apparatus for magnetic read A magnetic read control apparatus magnetically reads information stored in a magnetic stripe of a medium by varying a relative carrying velocity between a velocity at which the magnetic head is carried in a predetermined direction and a velocity at which the medium ... | 06/21/2005 |
| 6844995 | Head protection device and a card reader having the head protection device A head protection device in a data recording circuit is disclosed in which write-current of a given level that corresponds to a high or low level of coercive force of the magnetic recording portion of a recording medium is provided as an output and supplied to a mag... | 01/18/2005 |
| 6813104 | Control apparatus for magnetic write A magnetic write control apparatus transports a medium having a magnetic stripe, until the magnetic stripe reaches a magnetic write position. The apparatus moves a magnetic head and the medium relative to each other, thereby to perform magnetic writing on the magnet... | 11/02/2004 |
| 6781776 | Magnetic card reader and magnetic data reproduction method using signal peak point intervals A magnetic card reader for causing a magnetic card to make a move relative to a magnetic head and reproducing data on the magnetic card by the magnetic head, said magnetic card reader includes an amplifier for amplifying a magnetic signal provided by the magnetic he... | 08/24/2004 |
| 6775080 | Data access device implemented with open and closed control loops to access data stored in discrete stepwise segments This invention discloses a data access system for access data stored on a flat medium. The data access system includes a pickup head rotating over the flat medium. The data access system further includes at least one stepping motor for discretely moving the flat med... | 08/10/2004 |
| 6753076 | Forgery-preventive identification medium and method for ascertaining the genuineness thereof The present invention discloses: a forgery-preventive identification medium before recording comprising: a substrate containing identification elements, and a magnetic layer for magnetic signal recording, formed at the predetermined portion of t... | 06/22/2004 |
| 6728059 | Magnetic data card servo writer This invention discloses a magnetic servo writer. The magnetic servo writer includes a magnetic pickup head for rotationally moving over and writing servo data in a magnetic flat data-storage medium. The magnetic servo writer further includes a clock head for provid... | 04/27/2004 |
| 6678103 | Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions Methods and apparatus for increasing the density of data storage on a magnetic medium by using variations in positioning of magnetic transitions to encode bits. Conventionally encoded bits are written to the medium as sequences of magnetic transitions acc... | 01/13/2004 |
| 6587135 | Card recording apparatus The present invention provides a card recording apparatus capable of printing in high speed as well as reducing overall dimensions of the apparatus. After a card is transported to an information recording section 200 in a lateral (short length) direction ... | 07/01/2003 |
| 6581831 | Debit card read/write controller and process A debit card read/write controller. The controller comprises a microcontroller device, a read only memory, a dynamically random access memory and a read/write head for reading and writing onto a magnetic card media contained on a magnetic striped card. Th... | 06/24/2003 |
| 6574058 | Recording medium detecting apparatus for distinguishing between a recording medium having a relatively high coercivity or a relatively low coercivity A technique for detecting a magnetic recording medium such as a strip on a magnetic card so as to distinguish between a case where a magnetic strip has high coercivity and one where it has low coercivity. A magnetic head detects the existence and appropri... | 06/03/2003 |
| 6570722 | Magnetic card reader and magnetic data reproduction method using signal peak point intervals A magnetic card reader for causing a magnetic card to make a move relative to a magnetic head and reproducing data on the magnetic card by the magnetic head, said magnetic card reader includes an amplifier for amplifying a magnetic signal provided by the ... | 05/27/2003 |
| 6570723 | Magnetic card reader and magnetic data reproduction method, data demodulation method and demodulator of magnetic record data A magnetic card reader for causing a magnetic card to make a move relative to a magnetic head and reproducing data on the magnetic card by the magnetic head, said magnetic card reader includes an amplifier for amplifying a magnetic signal provided by the ... | 05/27/2003 |
| 6545831 | Servo-sector arrangement over several data arcs for a rotational head data recording and retrieving system This invention discloses a plurality of substantially parallel data arcs disposed on a flat data storage medium. The data arcs include at least two linearly aligned servo-data fields disposed in an inner data arc and an outer data arc with an inter-arc di... | 04/08/2003 |
| 6487046 | Head support mechanism in magnetic card reader An improved head support mechanism for a magnetic card reader is described which has a support plate for each magnetic head. The magnetic head is supported to be capable of moving in the plane perpendicular to the support plate and rocking around an axis ... | 11/26/2002 |
