Matches 1 - 50 out of 388 1 2 3 4 5 6 7 8 >
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7584894 Housing mechanism for receiving memory card  
A housing mechanism includes a housing, a defending element, and a magnetic unit. The housing has a cavity, and an opening defined in a sidewall of the housing. The opening communicates with the...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
RE38290 Personal computer data storage card and method for transferring information between the data storage card and personal computers  
A personal computer data storage card includes a substrate layer, a magnetic medium layer, and a protective layer respectively affixed together. The data storage card is typically placed within an...
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...
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...
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...
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...
6466384 Apparatus and method for reading magnetic images with an adjustable force pressure pad  
A device for reading magnetically encoded data on a document, such as a strip of characters printed in magnetic ink along the lower edge of a check, executes a subroutine to determine whether each...
6400517 Magnetic media processing device  
A magnetic media processing device including an encoder for producing an output for a predetermined distance in a conveyance distance of a magnetic media on conveyance, a road circuit device for...
6378195 Read/write head with a gimbal ball assembly  
A fixture for assembling and testing a read/write head comprised of a head gimbal assembly (HGA) that allows gimbaling along pitch and roll axes and that utilizes an inexpensive spherical gimbal...
6342982 Card reader  
The card reader includes a main body 40 having a card passage 40 A, a magnetic head for reading the information recorded on a card 30 , an opening 42 provided in a card passage 41 of the...
6338436 Variable ticket and ticket printer  
A valuable ticket—on which ticketing data is magnetically recorded and which is printed for issuance-includes a base a heat-sensitive layer provided on one side of the base, a protective layer...
6233104 System and method for interfacing data stored on a magnetic strip  
A magnetic strip interface reads data from a first track and a second track of a magnetic strip. The magnetic strip interface transmits the data read from the first track to a first data handler,...
6160788 Data recording medium, recording and reproducing system and residual amount display method  
A CPU can execute, for example, 4-bit processes, a program for data processes has been written in an ROM, and an RAM has memory areas for a work area and a user area of the CPU. Data supplied from...
6141161 Magnetic card recording/reproducing apparatus and method  
According to the presents invention, there are provided a magnetic card recording/reproducing apparatus comprising a coercive force identifier for identifying the coercive force of a magnetic card...
6101051 Information recording and updating method, information recording and updating apparatus, recording medium initializing apparatus and recording medium  
When an information signal recorded in a magnetic card is updated by an information recording and updating apparatus, a spectrum spread signal corresponding to the updated information signal is...
6096431 Biodegradable cards  
A biaxially oriented sheet of a biodegradable thermoplastic resin composition containing a lactic acid polymer is used as a structural materials for a supporting substrate of a biodegradable card....
6073845 Recording medium on which information is recorded in intermittent pattern, and method of and apparatus for reproducing the information  
A magnetic card provided with a recording track in which a magnetic portion is disposed in an intermittent pattern corresponding to a digital signal is employed, and the magnetic portion of the...
6027026 Digital audio recording with coordinated handwritten notes  
The present invention is an apparatus to facilitate the correlation and retrieval of notes of a meeting or transaction taken on paper by conventional handwriting or typing with the sound recording...
6016959 Card drive apparatus and card  
A head assembly moving along a long side of a magnetic card, more than one magnetic head rotating in the head assembly for reading/writing data, a rotary transformer and a carriage with a card...
5995193 Self-contained device for recording data encoded either in visible or invisible form  
A self-contained device for recording data encoded either in visible or invisible form or both on a medium, and for playback of data encoded either in visible or invisible form or both on the...
5984183 Card reader for two kinds of data cards  
The reading head having the capability of processing two different data cards of the inductive type and chip-cards provided with contact pads on their surface. The raising and lowering of...
5920737 Photograph recording and playback device  
An apparatus is provided including a housing and an audio transducer mounted on the housing for receiving and transmitting audio signals. A plurality of control buttons include a film button, a...
5767495 Reduced-power magnetic transducer system utilizing a magnetoresistive head  
A reduced-power dynamic magnetic transducer system includes a magnetoresistive read head, a low duty cycle pulse generator to supply power to the head, a signal processor, and a controller. As a...
5756220 Object to be checked for authenticity and a method for manufacturing the same  
A large number of magnetic polymer elements are distributed at random in a base material of a object to be checked. Each magnetic polymer element includes an element main body formed of a...
5748600 Rotational optical head for optical recording medium  
A pickup apparatus of an optical card has an improved data transfer efficiency and miniaturization and thin shape of the apparatus can be realized. The length of a line segment connecting a center...
5747156 Thermosensitive magnetic recording medium  
A magnetic recording layer is provided on a base, and a thermosensitive recording layer is provided on the magnetic recording layer through a thermoplastic layer. The thermosensitive recording...
5691526 Magnetic card reader assembly having a first member that has a first leg integrally connected to a side wall of the guide slot  
A magnetic card reader assembly includes a magnetic read head being biased into a guide slot. The guide slot is defined by a first side wall, a second bottom wall and a third side wall. The first...
5648160 Magnetic powder, method for producing the same and use of the same  
A magnetic powder containing MnBi, in which an average particle size of the magnetic powder is from 0.1 μm to 20 μm; a coercive force is from 3000 to 15,000 Oe at 300 K. and 50 to 1000 Oe at 80...
5633486 Apparatus for sensing magnetic fields from a wide range of magnetic media  
Apparatus for reading magnetically stored data from a wide range of magnetic media. The apparatus includes a magnetoresistive MR head for producing a signal representative of stored magnetic data...
5546242 Device for writing on a card-shaped data memory having sensors for detecting magnetic strips and for switching off the magnetic head when no magnetic strip is present  
A device for writing on a card-shaped data memory with at least one magnetic strip on the card-shaped data memory has a card slot through which the card-shaped data memory is guided. The card slot...
5517577 Self aligning, low power character reading apparatus  
An apparatus for reading information off a document such as a check is herein disclosed. The apparatus includes an apparatus housing defining a specific path through which the document is intended...
5508854 Apparatus for writing data on a magnetic card and preventing heat damage to a magnetic head coil  
A data write apparatus includes a card conveyor path, a recording head, a sensor circuit, a Central Processing Unit (CPU), a drive circuit, and an enable section. A magnetic card is conveyed in the...
5496633 Transfer film with magnetic layer  
A transfer film having a magnetic layer consists essentially of a substrate film, a parting layer and a transfer layer which is detachable from the said parting layer and is formed by one or more...
5466920 Real time decoding for card transaction terminal  
Real time decoding methods and apparatus for a card transaction terminal used for reading a magnetic stripe on a data card. The method is implemented in a microcomputer employed in the terminal....
5455408 Magnetic recording circuit for toll road ticket  
A circuit for reading a toll road ticket in which a mark for magnetic recording density discrimination formed on a ticket is detected and a magnetic record demodulating circuit is selected in...
Matches 1 - 50 out of 388 1 2 3 4 5 6 7 8 >