| Patent Number |
Title Of Patent |
Date Issued |
| D437318 |
Personal computer |
February 6, 2001 |
|
| D434413 |
Computer unit |
November 28, 2000 |
|
| D433019 |
Computer unit |
October 31, 2000 |
|
| D432537 |
Computer unit |
October 24, 2000 |
|
| D421970 |
Personal computer unit |
March 28, 2000 |
|
| D416887 |
Facsimile |
November 23, 1999 |
|
| D416551 |
Facsimile |
November 16, 1999 |
|
| D389832 |
Telephone |
January 27, 1998 |
|
| D388063 |
Portable computer |
December 23, 1997 |
|
| D386755 |
Monitor for use with a computer system |
November 25, 1997 |
|
| D386753 |
Personal computer unit |
November 25, 1997 |
|
| D386752 |
Personal computer unit |
November 25, 1997 |
|
| D384956 |
Cordless telephone |
October 14, 1997 |
|
| D383446 |
Personal computer |
September 9, 1997 |
|
| D383444 |
Computer unit |
September 9, 1997 |
|
| D382556 |
Portable telecommunication unit |
August 19, 1997 |
|
| D375945 |
Combined portable computer docking station and computer |
November 26, 1996 |
|
| 6393188 |
Dispersion compensation device and optical transmission system with the same |
May 21, 2002 |
| A dispersion compensation device and an optical transmission system are capable of simultaneously compensating a dispersion value and dispersion slope in a single-mode optical fiber in a high-speed long-distance optical transmission system and a wavelength division optical transmission s |
| 6240520 |
Power on/off control device for computer |
May 29, 2001 |
| A power on/off control device having a first power supply outputs a predetermined first electric power upon receiving input power and a second power supply outputs a main electric power to operate the computer upon power-on, which is turned on and off according to power driving signals o |
| 6212439 |
Three memory user programmable buttons |
April 3, 2001 |
| A program selection driving device for a personal computer is provided, through which a user can executes a desirous program simply by operating a specified button, comprising a button panel 712 having a plurality of selecting buttons on an outside of a main computer 71 and a remote sign |
| 6211724 |
Duplex board system with a glitch cancellation circuit |
April 3, 2001 |
| A duplex board system comprises two functionally identical processing boards, one of the boards being in an active state and the other being in a stand-by state, each of the boards generating a state signal depicting the state thereof, wherein the stand-by state board succeeds the active |
| 6163833 |
Memory managing method for use in a data communications system |
December 19, 2000 |
| A method effectively stores data onto each of buffers included in a storage device of a processor, wherein the data is data being communicated between the processor and each of devices coupled thereto. It is first checked whether or not a flag is set to a target buffer among the buffers. |
| 6163530 |
Data monitoring apparatus |
December 19, 2000 |
| An apparatus for monitoring selected one of multiple channels comprises a counting unit for increasing a count value when an up mode is selected and for decreasing the count value when a down mode is selected, wherein the count value corresponds to a channel number of the multiple channe |
| 6157826 |
Authentication key generation method and apparatus |
December 5, 2000 |
| A method generates an authentication key to be used in an authentication algorithm at position at which a mobile station's subscriber is located. First, when there is a request to create the authentication key by a customer service center (CSC), at an authentication center module (ACM), |
| 6130775 |
Bidirectional optical fiber amplifier |
October 10, 2000 |
| A bidirectional optical fiber amplifier includes a first and a second transmitters for generating a first and a second signal lights, respectively, a first and a second receivers for receiving the first and the second signal lights, respectively, a fiber amplifier for amplifying the |
| 6104855 |
Terminal assembly for a multiple fiber optic cable |
August 15, 2000 |
| A terminal assembly for an optic cable equipped with terminal connectors is provided with a housing having a small through-hole and a large through-hole. A plug for keeping optical fibers within the housing to prevent the optical fibers from getting entangled with one another is moun |
| 6091784 |
Method and apparatus for constant envelope quadrature amplitude modulation |
July 18, 2000 |
| A constant envelope quadrature amplitude modulation system is provided for solving the bandwidth efficiency problem resulting from a lack of frequency resources by implementing the constant envelope characteristic for a non-linear communication system, based on a 16-QAM (Quadrature A |
| 6091600 |
Apparatus for tilting keyboard of portable computer |
July 18, 2000 |
| The present invention relates to an apparatus for tilting a keyboard of portable computer, in a manner that a rear end of the keyboard is raised up to a predetermined height by opening its cover, so that the user can operate keys of the keyboard more conveniently. The apparatus for tilti |
| 6091542 |
Optical fiber amplifier for amplifying signal lights propagating in two opposite directions |
July 18, 2000 |
| An optical amplifier for amplifying signal lights propagating in two opposite directions comprises a 1st and a 2nd transmitters for generating a 1st and a 2nd signal lights, respectively, a 1st and a 2nd receivers for receiving the 1st and the 2nd signal lights, respectively, a fiber |
| 6081871 |
Cache system configurable for serial or parallel access depending on hit rate |
June 27, 2000 |
| A data processing system having a CPU (central processing unit), a system bus and a main memory connected to the system bus, comprises a cache memory connected to the system bus for storing a predetermined part of data stored at the main memory, a first path unit for coupling the CPU |
| 6064515 |
Feedback-type optical fiber amplifier using hybrid pumping light beams |
May 16, 2000 |
| A feedback-type optical fiber amplifier using hybrid pumping light beams disclosed, including: an optical line through which an optical signal is propagated; a plurality of rare-earth-doped fibers, doped with a predetermined rare earth ion, being coupled to the optical line in series; |
| 6052752 |
Hierarchical dual bus architecture for use in an electronic switching system employing a distrib |
April 18, 2000 |
| A bus architecture for use in a data communication system provides a communication path between processors and one or more external devices including (M+1) hierarchical processors. Each of the processors is categorized into one of N hierarchies with M and N being a positive integer l |
| 6041108 |
Method and apparatus for intelligent network call handling in a telephone exchange |
March 21, 2000 |
| A method and apparatus for operating on intelligent network calls in a telephone exchange with multiple access subsystems and an interconnection subsystem is provided. A list of intelligent network criteria is stored in each access subsystem. When an incoming call is received the access |
| 6034943 |
Adaptive communication node for use in an inter-processor communications system |
March 7, 2000 |
| A communication node, for use in an inter-processor communication system in an asynchronous transfer mode switching system, provides two independent paths to upper layer switching modules for two duplicated processors, respectively, wherein the path from the processor to the upper layer |
| 6025698 |
Smart battery charging system, charging method therefor and power supply system for portable com |
February 15, 2000 |
| The present invention relates to a smart battery charging system, a charging method therefor and a power supply system for portable computer using the same that executes various charging operations securely corresponding to types of the smart batteries connected to the notebook compu |
| 6021138 |
Digital cordless telephone system for a private automatic branch exchange |
February 1, 2000 |
| A digital cordless telephone system comprises a multiplicity of subscriber cordless handsets (HS's) with a subscriber number of a private automatic branch exchange (PABX) being assigned to one or more of the HS's, a plurality of base stations (BS's), each of the BS's being coupled with o |
| 6016218 |
Optical fiber amplifier |
January 18, 2000 |
| An optical fiber amplifier is disclosed including: an optical line through which an optical signal is transmitted; a rare-earth-doped fiber, doped with a predetermined rare earth ion, being set on the optical line; a pumping light beam source for generating a pumping light beam having a |
| 6012097 |
Inter-processor communication message router for use in an electronic switching system |
January 4, 2000 |
| An IPC (Inter-Processor Communications) message router for use in routing an IPC message to a node comprises: a memory for storing receive enable signals at addresses therein, each of the addresses being identical to a routing address included in the IPC message, and outputting receive e |
| 6011774 |
Order-wire signal handling apparatus |
January 4, 2000 |
| An apparatus for processing an order-wire signal capable of providing a high quality communication between operators through an order-wire channel for use in a synchronous add drop multiplexer(ADM) including a multiplexing unit and a de-multiplexing unit comprises: mixer for mixing t |
| 6011503 |
Half-flash type analog-to-digital converter capable of converting data at high speed |
January 4, 2000 |
| A flash type analog-to-digital converter which generates a digital output signal in response to an analog input signal includes: a first comparator having a reference value being half of a level determining range against the input signal and determining whether the input signal is above |
| 6008671 |
Clock signal monitoring apparatus |
December 28, 1999 |
| An apparatus for monitoring a reference clock signal having a clock pulse train comprises a detecting block for counting pluses of a count clock signal to produce a count value and generate a count failure signal when the count value reaches a predetermined value, wherein the frequency o |
| 6001052 |
Method for handling call hold service for use in a CDMA switching system |
December 14, 1999 |
| A call hold handling method for use in an electronic switching system employed in a CDMA communications system comprises the steps of: a) receiving hook flash and numeric digits of the third party from the first party; b) sending hold tone to the second party; c) performing a number |
| 5991619 |
SS7 map provider system |
November 23, 1999 |
| A MAP provider system for processing SS7 (signalling system No.7) MAP (mobile application part) protocol between MAP user and TCAP (transaction capabilities application part) is provided. The system comprises a first processing block for receiving from the MAP user a MAP common primitive |
| 5987017 |
Digital cordless telephone system |
November 16, 1999 |
| A digital cordless telephone (CT-2) system, having a multiple number of subscriber cordless handsets (HS's) and a subscriber manager which performs authentication for the HS's, comprises a plurality of base stations (BS's), each of the BS's being coupled with one or more HS's by radi |
| 5982872 |
Method for setting up an adaptive interexchange signaling system in an electronic switching syst |
November 9, 1999 |
| A method, in an electronic switching system comprising a main processor and line processors which can adapt K number of signaling types, N and K being positive integers, respectively, wherein the system is connected to another electronic switching system at trunk ports through trunk line |
| 5954800 |
Data communications network adaptor with duplicate interface boards operating alternately in act |
September 21, 1999 |
| An apparatus for interfacing a data processing system with a plurality of data communications networks comprises: M number of interfacing units, each for coordinating data exchange between the data processing system and the plurality of data communications networks, wherein each of the M |
| 5950137 |
Method for supplying subscriber location information in a mobile communications system |
September 7, 1999 |
| A method, for use in a mobile communications system having a plurality of mobile stations (MS's) and a mobile subscriber information register (MSIR), provides a requesting MS with location information (LI) of a target MS. At a first step, a LI request signal, including a subscriber n |
| 5946362 |
Apparatus for detecting clock failure for use in a synchronous transmission system |
August 31, 1999 |
| An apparatus for use in a synchronous transmission system, for detecting a failure of a clock signal, which comprises: a reference clock generator for generating a reference clock signal (RCS) in response to a reset signal issued by a system controller in the STS; and means for receiving |
| 5933432 |
Mapping apparatus for use in a synchronous multiplexer |
August 3, 1999 |
| An apparatus is used for mapping digital signal data in a data packet of a packet clock having a plurality of clock pulses wherein the data packet is composed of information data and the digital data. The ratio of the number of bits of the information data with respect to the number of b |
| 5931910 |
System for node address initialization using pointers to designate the first address in selected |
August 3, 1999 |
| A method of initializing node addresses for use in an electronic switching system comprises the steps of: (a) storing all possible sets of node addresses, each set corresponding to an inter-processor communications configuration, and pointers in a residue of a memory; (b) receiving i |
