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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0670846 (1996-06-28) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 319 인용 특허 : 0 |
A system for distributing digital data among a plurality of customers is provided which comprises a modular software architecture to accommodate different data preview, search, data compression and encryption functions, and different purchase transactions. A software kernel creates an operating envi
A system for distributing digital data among a plurality of customers is provided which comprises a modular software architecture to accommodate different data preview, search, data compression and encryption functions, and different purchase transactions. A software kernel creates an operating environment in conjunction with the host operating system of a customer computer to accommodate these different services and functions and allow for the storage and retrieval of datasets from a variety of storage locations, such as portable storage devices at customer computers and shared memory devices accessible via communication networks. Computer-dependent product codes for requesting datasets and release codes for decrypting datasets are generated to protect against unauthorized use of selected datasets.
[ What is claimed is:] [1.] A modular kernel for managing events and function calls processed at a customer computer in a system for distributing digital data among a plurality of customers, the data being provided to the system by at least one information provider and stored in a plurality of datas
[ What is claimed is:] [1.] A modular kernel for managing events and function calls processed at a customer computer in a system for distributing digital data among a plurality of customers, the data being provided to the system by at least one information provider and stored in a plurality of datasets, the system having a transaction processing device for maintaining a database comprising the storage locations of the datasets and the cost of accessing the datasets, the kernel being used in conjunction with a host operating system on the customer computer, the kernel comprising:a kernel operating system interface module for managing communication between said kernel and said operating system by translating operating system events generated by said operating system into at least one of said events;a plurality of kernel modules selected from the group consisting of a module for accessing said data at a local one of said storage locations, a module for accessing said data at a remote one of said storage locations, a module for data encryption and decryption, a module for data compression and decompression, a credit card payment module, a telephone transaction module, a communication network transaction module, a module for searching said data, a module for previewing at least part of said data, an external device plug-in module, a JAVA Applet module, an image file module, a video hypermedia file module, a image hypermedia file module, a start-up module, a deinitialization module and a bootstrap module, said kernel modules each being programmed to post said events with at least one of said operating system and another one of said kernel modules and to maintain a module queue for storing said events;a kernel event queue, said kernel operating system interface and each of said plurality of kernel modules being programmed to post said events in said kernel event queue; anda dispatcher module for retrieving each of said events from said kernel event queue and routing said events to one of said module queues.
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