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)
10/1991
10/09/1991EP0451079A2 Reducing clock skew in large-scale integrated circuits
10/09/1991EP0451060A1 Mp power supply wake-up circuit, particularly for a card for remote controlled identification assembly for car
10/09/1991EP0450828A2 Method for synchronizing interconnected digital equipment
10/09/1991EP0450384A2 Modular computer enclosure
10/09/1991EP0450145A2 Method and apparatus for battery control
10/08/1991US5055839 Breakaway keyboard
10/08/1991CA1290406C Finite metastable time synchronizer
10/06/1991CA2014122A1 Laptop computer with detachable interface card
10/03/1991WO1991014981A2 Interlocking assembly for adjustable mounting of a display unit
10/03/1991WO1991014980A1 Process for authenticating a user using a data station
10/02/1991EP0449305A2 Data processor for generating pulse signal in response to external clock
10/02/1991EP0449256A2 Microcontroller having security means
10/02/1991EP0449255A2 Micro controller
10/02/1991EP0449242A2 Method and structure for providing computer security and virus prevention
10/02/1991EP0449154A2 Computer control system
10/02/1991EP0448958A2 Semiconductor integrated circuit having non-volatile memory cells for controlling a predetermined function
10/02/1991EP0448881A2 Interference suppression system
10/02/1991CN2085979U Digital phase-thift crystal thyratron program-controlled voltage regulator
10/01/1991US5054039 Digital calibration circuit employing composite sine wave signals
10/01/1991US5053982 Variable modulus digital synthesizer
10/01/1991US5053943 Control circuit for autonomous counters of a plurality of cpu's or the like with intermittent operation and reset after a predetermined count
10/01/1991US5052943 Recharging and data retrieval apparatus
10/01/1991US5052078 Hinge mechanism for portable electronic apparatus
10/01/1991CA1290070C Implementing privilege on microprocessor systems for use in software asset protection
10/01/1991CA1290013C Ride-through energy boost circuit
09/1991
09/26/1991DE4108169A1 Vehicular combined radio telephone and computer peripheral - has telephone handpiece supported by holder at rear of keyboard flip-up cover
09/26/1991DE4008971A1 Verfahren zur authentifizierung eines eine datenstation benutzenden anwenders A method for authentication of a data-station-use product user
09/26/1991DE4008335A1 Abgeschirmter pc Shielded pc
09/25/1991EP0448497A2 Power on computer initialization
09/25/1991EP0448495A2 Flexible computer initialization
09/25/1991EP0448448A1 Method for calculating the inverse of a number and calculator to implement said method
09/25/1991EP0448350A2 Hand held data processing apparatus having reduced power consumption
09/25/1991EP0448262A2 Prevention of determination of time of execution of predetermined data processing routine in relation to occurrence of prior observable external event
09/25/1991EP0448053A2 Expanding apparatus for portable electronic apparatus
09/25/1991EP0447819A2 Multileveled electronic assembly with cooling means
09/25/1991EP0447731A1 A synchronization circuit for a synchronous switching system
09/24/1991US5052040 Multiple user stored data cryptographic labeling system and method
09/24/1991US5052020 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
09/24/1991US5051868 Computer construction
09/24/1991US5051720 Remote control system using power line of remote site
09/24/1991US5051622 Power-on strap inputs
09/24/1991US5051606 Method of connecting and disconnecting a board in a hot state
09/24/1991US5051096 Planar board support structure
09/24/1991US5050965 Color display using supertwisted nematic liquid crystal material
09/19/1991WO1991014354A1 Shielded pc
09/19/1991WO1991014162A1 Method and apparatus for acoustic signal compression
09/19/1991WO1991013765A1 Printer with a printer housing divided in the plane of the print carrier
09/19/1991DE4007845A1 Data protection in computers with virtual disk - involves switching computer off electronically only after data secured on fixed disk
09/18/1991EP0447244A2 Table lookup multiplier
09/18/1991EP0447057A2 Digital computer with non-hierarchical memory
09/18/1991EP0447043A2 Security system for software
09/18/1991EP0447038A2 A system for establishing a communication path in a closely coupled computer system
09/18/1991EP0446958A2 Single-chip microcumputer with clocksignal switching function
09/18/1991EP0446519A2 Noncontact integrated circuit card
09/18/1991EP0446414A2 Computer device with rotatable display and removable keyboard
09/18/1991CA2036865A1 Interference suppression
09/17/1991WO1991014221A1 Portable computer
09/17/1991US5050213 Database usage metering and protection system and method
09/17/1991US5050041 Modem mountable in wall of a computer housing with readily accessible, on/off switch, indicator means and internal switch connecting either modem or an auxiliary serial port to an I/O port
09/17/1991US5049862 Keyless flat panel portable computer--computer aided notebook
09/17/1991US5049805 Voltage sensitive switch
09/17/1991CA1289227C Method and apparatus for accommodating power disturbances
09/17/1991CA1289222C Apparatus and method for security of electric and electronic devices
09/11/1991EP0445937A2 Delay circuit
09/11/1991EP0445574A2 Digital clock buffer circuit providing controllable delay
09/11/1991EP0445343A1 Portable computer with receiving slots for changeable batteries and expansion cards
09/11/1991CN1054496A Real-time power conservation for portable computers
09/10/1991US5047988 Disposable IC memory card having an embedded battery
09/10/1991US5047987 Low voltage inhibit control apparatus
09/10/1991US5047952 Communication system for deaf, deaf-blind, or non-vocal individuals using instrumented glove
09/10/1991US5047928 Billing system for computer software
09/10/1991US5047924 Microcomputer
09/10/1991US5047898 Deflectable contact for providing positive surface contact for shielding electromagnetic interference
09/10/1991US5047771 Apparatus for implementation of desired input/output function in an electronic system having a plurality of channels
09/10/1991CA1288857C Cordless computer assembly
09/10/1991CA1288828C Clock pulse generator for microcomputer
09/06/1991CA2037593A1 Digital clock buffer circuit providing controllable delay
09/05/1991WO1991013403A1 Method and apparatus for controlling access to and corruption of information in computer systems
09/05/1991WO1991000565A3 Power conservation in microprocessor controlled devices
09/04/1991EP0444570A2 Cooling system
09/04/1991EP0444052A1 Integrated data transmission computer and system
09/03/1991US5045999 Multi-function timing sequencer for different speed main storage units
09/03/1991US5045725 Integrated standard cell including clock lines
09/03/1991US5045715 Circuit for generating stretched clock phases on a cycle by cycle basis
09/03/1991US5045638 Apparatus for shielding electromagnetic radiation
09/03/1991CA1288492C Method of controlling the operation of security modules
08/1991
08/28/1991EP0443917A1 Power supply process and device and protection of an electronic apparatus, especially a processing apparatus
08/28/1991EP0443423A2 Method for executing trust-path commands
08/28/1991EP0443242A2 High resolution direct digital synthesizer
08/28/1991EP0443083A2 Display control apparatus capable of changing luminance depending on conditions of power supply circuit
08/28/1991CN1013716B Assembly for cable component and component part
08/27/1991US5043988 Method and apparatus for high precision weighted random pattern generation
08/27/1991US5043721 Paging accessory for portable information/computing devices
08/27/1991US5043596 Clock signal supplying device having a phase compensation circuit
08/22/1991WO1991012645A1 Protection and supply method and device for an electronic device, in particular a data processing device
08/22/1991WO1991012578A1 Portable computer with touch screen and computer system employing same
08/22/1991WO1991012575A1 Writing system
08/22/1991WO1991009490A3 Improved dot printer and method for grey level recording
08/22/1991DE4005076A1 Overvoltage protection for data processing appts. - has common board with overvoltage protection members, and terminal for supply and data sides
08/22/1991DE4004928A1 Schreibsystem Writing System
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