Matches 301 - 350 out of 384 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5022030 Skewed XOR data storage process  
A method and apparatus for writing and reading multiplexed data in a plurality of data storage systems, including skewed XOR data for improving data retrieval integrity with minimal write time.
5016223 Memory card circuit  
A memory card circuit for a portable memory card includes a unidirectional non-inverting buffer with an analog switch connected to an input terminal of a semiconductor memory and a bidirectional...
4953123 Memory system to perform data transfer by a contactless electromagnetic induction coupling system using induction coils  
A control signal used to write access or read access and data are transmitted between a write/read unit and a memory module by a contactless coupling using induction coils. The write/read unit...
4945448 Memory cartridge for a circuit board module  
A memory cartridge for convenient manual attachment of a RAM memory with battery back-up to an I/O module in a programmable controller system is inserted through an opening in a side cover of the...
4940969 Apparatus and method for indicating when it is safe and unsafe to insert a memory cartridge into or remove a memory cartridge from a memory cartridge receiving device  
An apparatus and method are provided for indicating when it is safe and unsafe to insert a memory cartridge into and remove a memory cartridge from a cartridge receiving device. In one embodiment,...
4931991 Machine readable memory card with capacitive interconnect  
An interconnection system for transferring either electrical energy in the form of power and data signals or both is disclosed. Capacitive coupling devices are shown connected to a memory device...
4926388 Electronic device for independently erasing secret and non-secret data from memory  
In an electronic appliance capable of storing secret data to be kept secret and data other than the secret data in distinction from each other, only the secret data can be erased upon a first reset...
4916662 IC card including high input voltage detection and suppression  
An IC card writing system for writing data in a memory in an IC card includes a data writing device for writing data in the memory in the IC card utilizing a voltage which is below a predetermined...
4908793 Storage apparatus including a semiconductor memory and a disk drive  
An information recording and reproducing apparatus comprises a 31/2 inch hard disk drive, a semiconductor memory connected to the 31/2 inch hard disk drive for exchanging data, and a battery used...
4884237 Stacked double density memory module using industry standard memory chips  
A stacked double density memory module may be formed from two industry standard memory chips, by jumpering the unused and chip enable pins on one chip and then stacking the jumpered chip on the...
4872139 Memory protection device for an electronic apparatus  
A memory protection device for an electronic apparatus has a cartridge storage portion for accommodating a memory cartridge. The memory cartridge stores data for the electronic apparatus. This...
4849944 Connecting structure for connecting a memory unit to a memory unit controller  
Grounding terminals of a memory unit are disposed at the opposite ends of an array of signal terminals of the memory unit, respectively, reception grounding terminals of a connector are disposed at...
4843223 Information processing device for IC card  
An information processing device for an IC card for reading out the information stored in an IC, or for reading out and writing in the information comprises a connecting part. In particular, in an...
4826332 Printer including cartridge mounted interchangeable read only memory  
A printer with a main body having a printing head, motors, a plurality of circuits driving the printing head and the motors, a processor and a random access memory. The printer also includes a...
4813014 Digital audio memory system  
A method and apparatus for rapid access digital storage and playback of audio information that consists of a large array of solid state random access memory devices connected in a basic...
4811287 EEPROM mounting device  
Apparatus (82) for providing write protection for EEPROMs (10) intended as a replacement for installed ROM devices, includes write protection circuitry (54) mounted on one surface (88) of a circuit...
4811288 Data security device for protecting stored data  
A security device (10) for protecting sensitive data stored in a resettable memory (110) includes a housing (11) formed of six ceramic plates (P1-P6) each having provided thereon a pair of thin...
4791608 Memory card having shutter protected terminals  
A memory card adapted to be removably loaded into electronic equipment comprises a printed circuit board having a memory element mounted thereon and a contact pattern for making an electrical...
4785425 Electronic locking system  
A field programmable electronic locking system includes a processor and an electrically erasable programmable read-only memory (EEPROM). The processor has address outputs electrically connected to...
4763300 Front loading apparatus for a memory cartridge utilized for a data processing machine  
A front loading apparatus typically installed in a data processing machine for receiving a memory cartridge. The apparatus includes a frame disposed within the machine, and a tray pivotally mounted...
4755902 Electronic apparatus with detachable member arranged to detect erroneous mounting of the detachable member  
An electronic apparatus adapted to be used with a detachable member, such as a memory pack. The apparatus includes a pair of terminals arranged in the electronic apparatus for detecting an...
4752911 Read/write device using modular electronic memory  
A box (100) includes one or more housings (130) each of which is capable of receiving a memory module (MM). The memory modules have longitudinally extending side grooves and the housings are...
4731753 Package for semiconductor device  
A package suitable to contain therein a semiconductor memory element erasable of the stored information by irradiation with ultraviolet rays on the element with no fear of weak ultraviolet rays...
4727513 Signal in-line memory module  
What is disclosed is a memory module to and from which multibit binary words are stored and read out. Each multibit binary word comprises a standard byte size and one or more other memory bits that...
4680731 Reprogrammable cartridge memory with built-in identification circuitry and programming method  
A reprogrammable plug-in semiconductor memory cartridge for use in a personal computer system, the cartridge being reprogrammed without removing the circuitry from the cartridge. The cartridge uses...
4656605 Single in-line memory module  
What is disclosed is a memory module to and from which multibit binary words are stored and read out. Each multibit binary word comprises a standard word size and another memory bit that may be...
4628480 Arrangement for optimized utilization of I/O pins  
Arrangement for the input of address data to an integrated circuit (IC) via the same input/output (I/O) terminal pins utilized for the transfer of data is disclosed. The I/O data pins each have an...
4628484 Signal and power applying unit for memory cassettes  
When a memory cassette having semiconductor memory is attached to or detached from a connector mounted on an adapter, the supply of power to the memory cassette through the adapter is switched on...
4620707 Non-volatile reprogrammable ram cartridge  
The reprogrammable RAM cartridge of the present invention is adapted for use as a reprogrammable video game. The cartridge uses an optoisolator connected in a circuit between the shield and ground...
4602351 Device for reading and writing IC-external storage cards  
A device to be coupled with a computer for reading and writing IC external storage in the form of a card having a plurality of contact points arranged on a portion of the card includes a first...
4599680 Packaging arrangement for spacecraft computer  
The present invention relates to a packaging arrangement for a spacecraft computer designed to conduct experiments in a hostile environment of outer space. The computer has high density packaging...
4593376 System for vending program cartridges which have circuitry for inhibiting program usage after preset time interval expires  
A vending machine stores a plurality of video game programs which may be selected for purchase. The game program is transferred to a programmable cartridge which the user inserts into the machine....
4587640 Cassette type semiconductor memory device  
A cassette type semiconductor memory device is provided with a RAM and a back-up battery within a cassette, with a connector connected to the main frame of a data processor. The RAM and its...
4502130 Removable memory package, associated apparatus and method of use  
A memory package containing a nonvolatile electronic memory element and associated interface circuitry within a housing releasably connectable with a data entry panel of a controller to store...
4426689 Vertical semiconductor integrated circuit chip packaging  
A semiconductor chip is so designed that the signal and power terminals are brought to one edge of the integrated circuit chip. The integrated circuit chip is then mounted vertically on a substrate...
4388010 Font module for matrix printer  
A replaceable font module for a printer includes an interrogable storage containing information representing graphic patterns and is connected to cooperate with a printer upon insertion within a...
4209850 Electronic apparatus  
A digital electronic apparatus is provided for allowing easy copying from a first memnory to a second memory. Said copying operation can be arbitrarily controlled from a key entry means. Said first...
4161790 Programmable modular electronic register and method of implementing same  
A programmable multi-digit register loads plural bits of fixed binary information, represented by a pattern of short or open circuit connections, onto a printed electronic circuit board or the...
4158433 Method of and apparatus for securing and storing personal information  
Secured computerized credit cards of the ferromagnetic storage variety, and a computer system that makes use of such cards at more than one location. The card comprises a plurality of ferromagnetic...
4108366 Apparatus for providing and sensing coded information  
A card reader adapted to receive a coded card is provided which includes an alternating current source and sensing means connected to the alternating current source. The sensing means includes a...
3988721 Plug-in type program storage  
A plug-in type program storage comprising at least a multiplicity of individual storage elements which can be electrically and mechanically disconnectably coupled with electrical data processing...
3945018 Optical information recording device  
Original information is converted to digital signals and recorded on a digital signal recording medium such as a paper tape. The digital signal recorded on the tape or the like is converted to...
3922649 Watchman's tour recording system  
A watchman's tour recording system which includes a watchman's unit having a clock and a clock signal producing means, a station identification signal producing means, a signal memory and means for...
3898631 Storage indicator  
This specification describes an apparatus to sense and digitally indicate the number of bytes of storage contained in a memory unit.
3883856 Program input system using a memory cassette  
A program memory cassette containing a circuit board having electric program circuit elements thereon and a program input apparatus such, for example, as is provided in electronic calculators on...
3702464 INFORMATION CARD  
An information card for credit and accounting system having a monolithic or solid state memory for storage of information responsive to computer controlled systems.
3662350 RANDOM ACCESS MEMORY SYSTEM EMPLOYING A PHONOGRAPH DISK  
A memory system employing a phonograph disk with a multi-turn spiral groove carrying digital information distributed throughout it. The turns each contain two storage locations identified as...
3653005 MECHANICAL STORAGE MEANS FOR REPERTORY DIALER  
Mechanical storage apparatus for a repertory dialer including a pair of conductor bearing boards with contacts selectively interconnecting the conductors on one board with the conductors on the...
3653006 ASSEMBLAGE ELEMENT FOR FUNCTIONAL UNIT  
A read-only memory wherein a complete unit thereof is fabricated as a pluggable circuit board, the board being adapted to function with different storage components by supporting the storage...
3644902 MEMORY WITH RECONFIGURATION TO AVOID UNCORRECTABLE ERRORS  
A memory having circuits for correcting single errors in a word read from the memory is provided with means to reconfigure the memory so that a configuration having a double, uncorrectable, error...
Matches 301 - 350 out of 384 < 1 2 3 4 5 6 7 8 >