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| Number | Title | Issue Date |
| 6105138 | Method and apparatus for controlling electric source in information processing system A technique allowing a terminal device located in a remote place to protect data existing on an information processing system and then control an electric source of the information processing system is provided. An information processing system according ... | 08/15/2000 |
| 5781434 | Control system for communication apparatus An information processing system includes a modem communicating with a remote console through a telephone line, an information processing apparatus communicating with the remote console through the modem, a service processor, a power supply continuously s... | 07/14/1998 |
| 5583985 | Graphic display processing apparatus for improving speed and efficiency of a window system A graphic display processing apparatus which includes a CPU, a VRAM and a display controller, a data operation unit, an access cycle generator, an address generator and a sequential transfer sequencer. The graphic display processing apparatus also include... | 12/10/1996 |
| 5572701 | Bus snoop method and apparatus for computer system having CPU with cache and main memory unit Bus snoop method and apparatus for use in a computer system in which a CPU with cache is coupled to a main memory control unit for controlling a main memory unit through a bus snoop control unit, wherein when the CPU with cache occupies a bus at the time ... | 11/05/1996 |
| 5465299 | Electronic document processing system and method of forming digital signature In a terminal which received an electronic document with at leastone digital signature, when a user changes the contents of the received electronic document, a new digital signature is produced by enciphering signature data by using a secret key of the us... | 11/07/1995 |
| 5379423 | Information life cycle processor and information organizing method using it An information life cycle management system and an information organizing method using the computer system stores information objects composed of a database and program, and a data processing device for processing an information object which is a block of... | 01/03/1995 |
| 5222139 | Cryptographic method and apparatus Cryptographic techniques for enciphering computer messages or the like include a unit for generating a cipher program for enciphering message data or plaintext by using a plurality of kinds of basic involution processing programs and desired key data, and... | 06/22/1993 |
| 5218638 | Encipher method and decipher method A method and apparatus for carrying out limited encipherment broadcast by generating a cipher key obtained from destination information added to service information are provided. An information service station transmits to each receiving station a random ... | 06/08/1993 |
| 4984195 | Extended bus controller An extended bus controller includes a base module including at least a first peripheral control unit connected to a base bus, a central processing and controlling unit, and a memory unit; an extension module including at least a second peripheral control ... | 01/08/1991 |
