Patents
Sitemap › G06 - Computing; Calculating; Counting › G06F - Electric digital data processing › G06F 1 - Details not covered by groups and
Patents for G06F 1 - Details not covered by groups and (173,766)
09/1990
09/05/1990EP0385774A2 Method and apparatus for power failure protection
09/05/1990EP0385567A2 Clock signal generator for a data processing system
09/05/1990EP0385404A2 Clock failure recovery system
09/05/1990EP0385037A2 Improved filter screen for cathode ray tubes
09/05/1990CN1009520B Large-scale semiconductive logic device
08/1990
08/29/1990EP0384650A2 A clip for securing a first part of a casing to a second
08/29/1990EP0384610A2 Tamper resistant access authorising method
08/29/1990EP0384528A2 Circuitry with two parallel branches for transmitting a binary signal
08/29/1990EP0384177A2 Automatic vernier synchronization of skewed data streams
08/28/1990US4953209 Self-verifying receipt and acceptance system for electronically delivered data objects
08/28/1990US4952817 Self-starting test station
08/28/1990US4952367 Timer channel for use in a multiple channel timer system
08/28/1990US4952036 High resolution LCD display system
08/28/1990US4951425 Computer and video game cleaning cartridge
08/23/1990WO1990009663A1 Signal security system
08/21/1990US4951309 Power-down modem
08/21/1990US4951301 TTL technology digital timing unit
08/21/1990US4951249 Method and apparatus for controlled access to a computer system
08/21/1990US4951241 Portable apparatus having an adjustable handle-leg member
08/21/1990US4951238 Processor for executing arithmetic operations on input data and constant data with a small error
08/21/1990US4951237 Direct digital synthesizer with selectably randomized accumulator
08/21/1990US4951171 Power supply monitoring circuitry for computer system
08/21/1990US4949934 Computer stand
08/21/1990CA1273096A1 Tilt adjusting mechanism
08/16/1990EP0381764A1 Analog operation circuit
08/16/1990EP0144353B1 Modular housing for computer system
08/16/1990DE4003554A1 Holding mechanism for flat display screen - enables screen to pivot for opening and closing without significantly extending beyond computer body when open
08/16/1990DE3904107A1 Case for laptops
08/14/1990US4949360 Synchronizing circuit
08/14/1990US4949249 Clock skew avoidance technique for pipeline processors
08/14/1990US4949052 Clock signal generator having back-up oscillator substitution
08/14/1990US4948988 Power supply control for low voltage I2 L circuits
08/14/1990US4948283 Apparatus for processing and printing document
08/14/1990US4948138 Device for maintaining game state audit trail upon instantaneous power failure
08/09/1990WO1990009091A1 Circuit module fan assembly
08/08/1990EP0381448A2 Apparatus and method for changing frequencies
08/08/1990EP0381021A2 Power saving system
08/08/1990EP0380611A1 Electronic apparatus
08/07/1990US4947411 Programmable clock frequency divider
08/07/1990US4946300 Compact electronic apparatus
08/07/1990US4946121 Computer keyboard holder
08/07/1990US4945980 Cooling unit
08/02/1990DE3902767A1 Method and arrangement for identification of software which is stored in a microcomputer of a sensor
08/01/1990EP0379772A2 Programmable data transfer timing
08/01/1990EP0379698A2 Sealing device for a slit opening in a data-registering apparatus
07/1990
07/31/1990US4945486 Multi-computer synchronization system and method
07/31/1990US4945300 Power source control apparatus
07/26/1990WO1990008376A1 Security system for visual display units and personal computers
07/26/1990DE3914233C1 Computer program protection device - has generator data output connected with consisting testing stage
07/25/1990EP0379211A2 Cooling apparatus
07/25/1990EP0379178A2 Computer memory controller power saving management
07/25/1990EP0379096A1 Control device in image forming apparatus
07/25/1990EP0378889A1 Computer system user interface
07/24/1990US4944008 Electronic keying scheme for locking data
07/24/1990US4943984 Data processing system parallel data bus having a single oscillator clocking apparatus
07/24/1990US4943961 Memory retention system for volatile memory devices
07/24/1990US4943786 Digital control of phase locked loops
07/24/1990US4943762 Power supply system
07/24/1990CA1271988A1 Integrated circuit clock bus system
07/18/1990EP0378392A1 Casing for electronic apparatus
07/18/1990EP0378306A2 Secure integrated circuit chip with conductive field
07/18/1990EP0378282A2 Hard disk drive module and receptacle therefor
07/17/1990US4942559 Counter/timer circuit for a microcontroller
07/17/1990US4942550 Printed circuit board topography for high speed intelligent industrial controller with multiple boards located within a single slot
07/17/1990US4942522 Timer channel with multiple timer reference features
07/17/1990US4941841 Adapter and a removable slide-in cartridge for an information storage system
07/12/1990WO1990007742A1 Portable computer terminal with a tilting screen
07/11/1990EP0377368A1 Data-processing device having a non-volatile electrically erasable and reprogrammable memory
07/11/1990EP0377064A1 Method of operating a timer
07/10/1990US4941175 Tamper-resistant method for authorizing access to data between a host and a predetermined number of attached workstations
07/10/1990US4941116 Elliptical arc generator for display systems
07/10/1990US4940313 Liquid crystal display having a built-in photoelectric conversion device
07/06/1990CA2024510A1 Portable computer terminal with a tilting screen
07/05/1990DE3943311A1 Portable data input terminal - has input panel that allows alpha numeric and analogue graphical signal entries
07/04/1990EP0376495A2 Peripheral device power activation circuit and method therefor
07/04/1990EP0375981A2 Method and apparatus for applying electric power to electronic components
07/03/1990US4939755 Timer/counter using a register block
07/03/1990US4939643 Fault tolerant digital data processor with improved bus protocol
07/03/1990CA1271166A1 Apparatus for temporarily attaching one object to another
06/1990
06/28/1990WO1990007185A1 Data processing device comprising a non-volatile, electrically erasable and reprogrammable memory
06/28/1990WO1990007155A1 Data write control means
06/28/1990WO1990007147A1 Clock synchronization
06/27/1990EP0375546A1 Method for distorting the key identification of an uncoded keyboard, and circuit for carrying out this method
06/27/1990CN1008562B Automatic detection and setting method of baud rate of series ports and its embodiment
06/26/1990US4937863 Software licensing management system
06/26/1990US4937861 Computer software encryption apparatus
06/26/1990US4937792 Static random access memory device with power down function
06/26/1990US4937782 Counter control method
06/26/1990US4937780 Single instruction updating of processing time field using software invisible working registers
06/26/1990US4937773 Sine wave oscillator and method of operating same
06/26/1990US4937771 Diskette drive/storage unit assembly
06/26/1990US4937708 Computer assembly
06/26/1990US4937563 Data processing terminal
06/20/1990EP0373773A1 Disengaging electrical circuit boards from power-supply units
06/20/1990EP0373523A2 Methods and circuits for synchronizing signals in a modular redundant fault tolerant computer system
06/20/1990EP0373278A1 Remote power on control device
06/20/1990CN2058509U Computer real-time monitoring interface device
06/20/1990CN1043212A 个人计算机 PC
06/20/1990CN1043211A Electronic system having a plurality of removable units
06/19/1990US4935942 Data sampling architecture
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