Electrical computers and digital processing systems: multicomput – Computer network managing
Reexamination Certificate
1998-11-30
2001-12-25
Lim, Krisna (Department: 2153)
Electrical computers and digital processing systems: multicomput
Computer network managing
C709S224000, C710S107000, C707S793000, C713S152000
Reexamination Certificate
active
06334150
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates in general to data processing systems and, in particular, to a data processing system and method including a server and client computer system coupled together utilizing a network. Still more particularly, the present invention relates to a data processing system and method including a server and client computer system coupled together utilizing a network for remotely rendering the client computer system inoperable.
2. Description of the Related Art
Personal computer systems are well known in the art. They have attained widespread use for providing computer power to many segments of today's modern society. Personal computers (PCs) may be defined as a desktop, floor standing, or portable microcomputer that includes a system unit having a central processing unit (CPU) and associated volatile and non-volatile memory, including random access memory (RAM) and basic input/output system read only memory (BIOS ROM), a system monitor, a keyboard, one or more flexible diskette drives, a CD-ROM drive, a fixed disk storage drive (also known as a “hard drive”), a pointing device such as a mouse, and an optional network interface adapter. One of the distinguishing characteristics of these systems is the use of a motherboard or system planar to electrically connect these components together. Examples of such personal computer systems are IBM's PC series, Aptiva series, and Thinkpad series.
With PCs being increasingly connected into networks to allow transfers of data among computers to occur, more operations such as maintenance, updating of applications, and data collections are occurring over the network. Computer networks are also becoming essential to their users. It is desirable to minimize loss of productivity by increasing availability of network resources. In today's networked world, the availability and performance of the network is as important as the availability and performance of the personal computer.
Computer systems are typically provided at remote locations, and may be networked to a server. For example, computer systems may be found in public locations such as at banking institutions. Unauthorized use of these remote computer systems is a large problem which can result in lost data and significant costs to businesses.
Therefore a need exists for a data processing system and method for a server computer system to remotely render a client computer system inoperable.
SUMMARY OF THE INVENTION
A data processing system and method are described for remotely rendering a client computer system inoperable. The client computer system is coupled to a server computer system utilizing a network. The client computer system is initially powered off. The server computer system transmits a signal to the client computer system utilizing the network to prohibit the client computer system from becoming operable. In response to a receipt of the signal by the client computer system, the client computer system is prohibited from becoming operable. The server computer system remotely renders the client computer system inoperable.
Alternatively, the client computer system is capable of receiving wireless signals transmitted by the server computer system. The server computer transmits a wireless signal to the client computer system to prohibit the client computer system from becoming operable. In response to a receipt of the wireless signal by the client computer system, the client computer system is prohibited from becoming operable. The server computer system remotely renders the client computer system inoperable utilizing a wireless signal.
The above as well as additional objectives, features, and advantages of the present invention will become apparent in the following detailed written description.
REFERENCES:
patent: 5983353 (1999-11-01), McHann, Jr.
patent: 6122748 (2000-09-01), Hobson
patent: 6263388 (1998-11-01), Cromer et al.
Cromer Daryl Carvis
Ellison Brandon Jon
Kern Eric Richard
Springfield Randall Scott
Bracewell & Patterson LLP
Ho Chuong
International Business Machines - Corporation
Lim Krisna
Schelkopf J. Bruce
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