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Koninklijke KPN N.V. Patents
Assignee:
Koninklijke KPN N.V.
Address:
The Huage, NL
No. of patents:
85
Patents:


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Patent Number Title Of Patent Date Issued
6628775 System for coupling the public telephone network to the internet September 30, 2003
System for coupling the public telephone network to the Internet using a number of Points-of-Presence, or PoPs, arranged between the public telephone network, or Public Switched Telephony Network PSTN, and an Internet Service Provider, or ISP. There, a PoP is executed such, that it c
6628769 Intelligent network September 30, 2003
Intelligent network (IN), comprising at least one Service Switching Point, SSP (2), at least one Service Control Point, SCP (3), one or more Intelligent Peripherals, IPs (5), and/or one or more Voice Response Systems, VRSs (4), which IN is capable of interacting with a PSTN or ISDN (
6616344 Interconnection system for optical networks September 9, 2003
An optical interconnection system for the realization of network elements in optical networks comprises a set of functional optical circuit modules (15) and an interconnection panel (10). The panel is provided with a row of module positions (13.1, 13.2, 14.1, . . . , 14.N) suitable for p
6594307 Device and method for signal quality determination July 15, 2003
A device for determining quality of an output signal to be generated by a signal processing circuit, including a radio link, with respect to a reference signal. The device has a first and second series circuits for receiving the output signal and the reference signal, respectively. The
6405998 Method for installing cables in tubes and apparatus for practicing this method June 18, 2002
A method and apparatus for installing a cable in a tube is provided wherein the cable is installed by the combination of a pushing force and a pressurized fluid drag force. In particular, the pressurized fluid drag force is applied by alternately passing a first pressurized fluid having
6347373 Method and device for the protected storage of data from message traffic February 12, 2002
Method and processor (12) for:a. setting up a telecommunication link between various communication appliances (1, 2, 3, 7, 8, 9);b. setting up a monitoring link (13) between the telecommunication link and the processor (12);c. the storage in enciphered form of a first identity of either a fi
6212662 Method and devices for the transmission of data with transmission error checking April 3, 2001
The invention concerns a method and devices for the detection of errors, in particular transmission errors, in data streams and/or data packets. In order to better detect systematic errors in particular, the error detection function according to the invention is variable. The detection
6119945 Method and system for storing tickets on smart cards September 19, 2000
In a smart card (1) electronic tickets (20) are securely stored. Ticket data is written into the fields (21, 22, 23) of a ticket (20) in a protected manner using a special code. Tickets (20) may comprise several fields, such as an entitlement field (21), a validation field (22), and a
6097523 Optical systems with one or more stabilized laser signal sources August 1, 2000
Optical stabilization system having a signal source (1) connected to a transmission line (2) and a noise source (3). The signal source (1) comprises a laser having a number of laser modes within a first wavelength band for generating an optical transmission signal (S). The noise source
6089546 Apparatus and method for removing cables from tubes July 18, 2000
For removing cables from tubes, the invention provides a method wherein a cable is sucked from a tube, by connecting an evacuating pump to a cable lead-through apparatus one end of which is connected to the tube and the other end of which is provided with a lead-out opening for the free
6076073 Method of debiting an electronic payment means June 13, 2000
The invention provides a method for protectedly debiting an electronic payment mechanism, such as a telephone card. In the communication protocol between the payment mechanism and a payment station, an authentication is used to identify the payment mechanism during various steps of the
6070795 Method of making recoverable smart card transactions, a method of recovering such a transaction, June 6, 2000
A method of recovering and thus possibly completing interrupted smart card transactions includes providing a smart card that stores a first and a second pointer, the second pointer being used to indicate an update of the first pointer. In the case of an interruption of a smart card trans
6060972 Method and means for replacing an electrically conducting cable by another electrically conducti May 9, 2000
Method for replacing a first cable (1) by a second cable (2) between a first predetermined point (1a) and a second predetermined point (1b). The cable comprising,the provision of first series impedance means (S1) close to the first end (2a) and second series impedance means (S2) close to
6058402 Method of modifying the functions performed by a command set of a smart card May 2, 2000
A method is disclosed of modifying and/or extending the command set (READ, WRITE) of a smart card. Use is made of the attribute tables (100, 200, 300) associated with certain files and with the commands of the existing command set to modify the functions of the commands. Thus, non-standa
6052783 Method of loading commands in the security module of a terminal April 18, 2000
A method of loading commands (C1, C2, . . . ) in a security module (2) of a terminal (1) is disclosed. The method comprises the steps of: a station (4) transferring the commands (C1-Cn) to the terminal (1), the terminal (1) transferring the commands (C1-Cn) to the security module (2), th
6047954 Pulling element for installing a cable in a duct, and ducting system comprising such pulling ele April 11, 2000
A pulling element is provided for use in installing, by means of compressed area, cables in a ducting system including ducts having different inner diameters. The pulling element includes a first part having a first end which is connectable to a cable and a second end which includes a co
6027028 Connector formed as a sleeve pushed over a standard chip card February 22, 2000
A connector in the shape of a standard printed circuit chip card having contact areas joined by conductors and to be used to apply battery recharging energy to an electronic device such as a mobile telephone through a chip card receiving slot in the device. The connector may be fixed
6024387 Tube connector for connecting tubes intended for installing cables therein February 15, 2000
A tube connector comprising an elongate hollow body with an opening at both ends for receiving the end of a tube of a pair of tubes to be coupled to each other, which tube connector comprises means for providing, upon completion of the connection between the connector and the tubes to be
6021234 Interconnection apparatus having an electrical or optical signal bus February 1, 2000
An interconnect apparatus provides for optical and/or electric signal interconnections of a number of input ports from a row of N input ports (11.1-11.N) with a number of output ports from a row of N output ports (13.1-13.N) by way of a signal bus which is capable of being segmented.
6016955 Electronic payment method and system having several calculation units and electronic payment dev January 25, 2000
A payment system for use with electronic payment devices. Electronic payment cards (e.g. "Smart Cards"), may be used with one or more payment stations (e.g. electronic cash registers). The payment stations are designed for receiving, during a payment transaction, a monetary value by
6016368 Apparatus for deriving positional information on box-shaped objects, and method in which apparat January 18, 2000
Apparatus and method for distinguishing horizontal and vertical surfaces of box-shaped objects, particularly parcels, which objects are stacked in an orderly stack in which the lateral surfaces are substantially parallel. The influence of variations in the reflection coefficient over the
6003776 Multiple tickets on smart cards December 21, 1999
An efficient way of storing multiple tickets on smart cards. A ticket comprises a validation count field for registering by way of a validation count the number of times the ticket may be used. Preferably, the validation count is lowered each time the ticket is validated, the validat
6003764 Method of securely storing and retrieving monetary data December 21, 1999
A method of securely storing and retrieving monetary values, such as electronic checks and electronic coins. In an interactive protocol between an issuer (e.g., a bank terminal) and a recipient (e.g., a smart card) of electronic money, authentication values (A, B, . . .) are produced by
5991412 Method for protectedly debiting an electronic payment means November 23, 1999
The invention relates to a method for protected transactions involving a so-called smart card and a terminal, such as a cash register. In order to prevent the smart card from simultaneously carrying out transactions with several terminals, the invention provides an authentication value w
5978959 Method and devices for the transmission of data with transmission error checking November 2, 1999
A method and device for detection of errors, in particular transmission errors, in data streams and/or data packets. A variable function is applied to data to be transmitted. The function is varied on the basis of time and/or the data itself, for example, by assigning an individual v
5978682 Telecommunication system November 2, 1999
Telecommunication system in which local terminals may be called from one or more central stations by way of transmission paths selected by selection device on the probability of success. Selection takes place with the help of selection tables on the basis of exchanged signalling messages
5974145 Method for cancelling a transaction of an electronic payment means, as well as payment means for October 26, 1999
A method and system for cancelling payments effected with an electronic payment device (11), such a smart card or IC card, in an off-line payment system including transmitting a check value, such as a random number, from a protected storage module of a terminal (12) to the payment device
5971035 Method for installing a ducting system with branches for telecommunications cables, and branch e October 26, 1999
A method for installing a ducting system with branches, wherein at the point of a branch in an existing duct of the system a tubular branch element with an inlet opening, an outlet opening and at least one branch opening is arranged by removing a duct portion from the existing duct at
5950298 Method for inserting a cable-like element into a tube coiled in or on a holder September 14, 1999
A cable (5) is inserted in a tube (2) wound on a tube reel (1). The cable is fed from a cable reel (6) through a cable-advancing unit (4) into a free inlet end (2.1) of the tube (2). Compressed air is applied to an air inlet (8) of the advancing unit (4), and led through the tube along t
5946788 Method and device for inserting a cable-shaped member into an elongated, tubular sheathing wound September 7, 1999
A cable (5) is inserted, by way of a free end (2.1), into a tube (2) wound around a tube reel (1) which is fixed, with its winding axis (y) vertical, onto a carrier (7). The carrier with the tube reel is subjected to a periodical movement having a vertical component and a longitudinal
5930250 Communication system for interactive services with a packet switching interaction channel over a July 27, 1999
The invention relates to a communication system (100) in which information (AV) from a server (101) is transmitted in one direction via a first communication path to a user terminal (102), such as a PC. In response to said information, the user can transmit selection information (I), suc
5896474 Optical network having protection configuration April 20, 1999
A passive optical-connection network having a protection configuration consists of at least two subnetworks (1, 2), each comprising an access node (1.1, 2.1), a feed network (1.2, 2.2), and a tree-shapedly branched access network (1.3, 2.3). According to this protection configuration
5887092 Optical non-linear branching element with MZ interferometer March 23, 1999
A low-loss optical 1.times.2 branching element comprises a symmetrical coupler (C.sub.s) with a symmetrical power distribution (1/2/1/2) and an asymmetric coupler (C.sub.a)with an asymmetric power distribution ({(1/2-x)/(1/2+x)}). Outputs (c,d) of the symmetrical coupler are coupled
5886801 Coupling arrangement for coupling optical connections March 23, 1999
In a ring-shaped optical distributive network, provided with a central node and a number (N) of network nodes, distribution signals DS are transmitted in two signal transport directions (F, B) by the central node. For the execution of a drop-and-continue function (DC function), each netw
5884384 Method for installing a tube or a bundle of tubes in an existing tubular duct March 23, 1999
A method for installing a tube or a bundle of tubes in an existing tubular conduit. The tube or tubes are passed into the existing tube by means of a fluid under pressure which is introduced into the existing tube at the inlet end. The tube or tubes can be open or closed at their forward
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