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Assignee: Oy Nokia AB


Location: Helsinki, FI
No. of patents: 40

NumberTitleIssue Date
6324394Mobile telecommunication subscriber system in a multi-operator environment
The invention relates to a system for monitoring mobile telecommunications in a multi-operator environment. The system of the invention comprises at least one user control station (UCS) comprising a home location register (HLR) containing a unique subscri...
11/27/2001
5428644Adaptive detection method and detector for quantized signals
The invention relates to an adaptive detection method and detector for detecting signal states of a received quantized signal using a set of reference vectors stored in a memory (11). According to the invention, the detector comprises sampling means (4) f...
06/27/1995
5233635Receiving method and receiver for discrete signals
The invention relates to an adaptive receiving method and a receiver comprising an adaptive equalizing device for processing a received signal. The receiver further comprises an adaptive detector utilizing the self-organizing map principle and operational...
08/03/1993
5189632Portable personal computer and mobile telephone device
A portable computer telephone device comprising a portable personal computer and a mobile phone integrated into one and the same body structure said body having a display screen (3) and a keyboard member (2) for operating the computer and the mobile telep...
02/23/1993
5160523Method of producing optical waveguides by an ion exchange technique on a glass substrate
The invention relates to a method of producing waveguides by an ion exchange technique on a glass substrate. In order to be able to alleviate the tolerances allowed for the ion exchange technique, the waveguides are formed in the invention by diffusing io...
11/03/1992
5151958Adaptor device for coupling together optical waveguides produced by K-Na ion exchange with optical waveguides produced by Ag-Na ion exchange
The invention relates to an adaptor device for coupling together optical waveguides of different types and a process for the production of such an adaptor device. The adaptor device of the invention comprises an optical waveguide produced on a glass subst...
09/29/1992
5061928System and method of scaling error signals of caseload second order modulators
The invention relates to a method of cascading two or more sigma-delta modulators by applying an error signal representing the quantization error of a preceding modulator to a subsequent modulator in the cascade to be quantized therein, the quantized erro...
10/29/1991
4974408Alternate reverse twisting method and apparatus
An alternate reverse or so-called SZ-twisting method and apparatus and cable product produced by alternate reverse twisting method and/or apparatus. Elements (2 ) which are to be alternately reversely twisted may be wires, leads, optical fibers, their gro...
12/04/1990
4966615Apparatus for cooling an optical fiber
A method of and an apparatus for cooling an optical fibre drawn from a heated glass blank by passing the fibre (3) through a cooling pipe (9) in which a cooling gas (A) flows in the axial direction of the fibre around it. In order to reduce the consumptio...
10/30/1990
4906810Method and a device for the manufacturing of an optical coupler
The invention relates to a method for the manufacture of optical couplers, comprising the steps of (a) removing the jacket material over a short distance from two or more optical fibres, (b) bringing the jacketless portions of the optical fibers in contac...
03/06/1990
4883595Method for the extraction of a substance from an aqueous solution
The invention relates to a method for separating a substance from an aqueous solution and/or for concentrating it by using an organic extractant. In the method the substance to be separated is caused to pass from the aqueous solution to the extractant, wh...
11/28/1989
4876218Method of growing GaAs films on Si or GaAs substrates using ale
The invention relates to a method of growing a GaAs film on the surface of a Si or GaAs substrate by exposing the growing surface of the substrate in a vacuum to at least one vapor beam containing the Ga elementary component of the GaAs compound, and to a...
10/24/1989
4805236Method and arrangement for increasing the dynamic range at an input stage of an optical receiver
The invention relates to a method and arrangements for increasing the dynamic range at an input stage of an optical receiver, which input stage comprises a photodiode acting as a photodetector and an amplifying means the input of which is connected to one...
02/14/1989
4770382Stand for display terminals in particular
A stand for adjusting the viewing angle of a display terminal, including a sleeve-like frame portion (1) an inner boring of which is at one end thereof enlarged into a socket provided with a slide surface (3) for a slide part (4) to be attached to the dis...
09/13/1988
4739210Method and a device for generating heat energy and oscillation energy
The invention relates to a method of and a device for simultaneously generating heat energy and oscillation energy. In the method heat is generated by induction heating and oscillations are created by means of at least piezoelectric elements. Previously a...
04/19/1988
4737844Method for the generation of real-time control parameters for smoke-generating combustion processes by means of a video camera
A method for generating real-time control parameters by a video camera for smoke-generating combustion reactions is disclosed. In accordance with the method, a video camera is used for obtaining a video signal, which is digitized and filtered temporally a...
04/12/1988
4731801Method for the reception and detection of digital signals
Described herein is a method for the reception and the detection of digital signals. According to the method at least two signals (s1, s2, . . . , sM) having at least approximately the same information content are received...
03/15/1988
4713103Method of and a device for applying a primary coating to an optical filament
A method and a device for applying a primary coating to an optical filament. In order to make the distribution of the coating material even, the flow of the coating material to be introduced into the crucible is divided in the crucible into two flows oppo...
12/15/1987
4700366Method for the reception and detection of digital signals
A method for the reception and the detection of digital signals wherein at least two signals (s1, s2, . . . sM) having at least approximately the same information content are received and at least all signals (s1
10/13/1987
4689805Method of and a device for correcting signal distortion caused by a cable
The present invention relates to a method for the correction of a signal distortion caused by a cable at the receiving end. To obtain adaptivity the method according to the invention comprises the steps of treating the received signal by an equalizer circ...
08/25/1987
4671097Calibration system for the calibration of mass flow controllers
A calibration system for the calibration of mass flow controllers of an apparatus used for a chemical vapor phase growth, comprising at least one mass flow meter for measuring the characteristics of the mass flow controllers and a computer for calculating...
06/09/1987
4636181Conveyor chain
The invention relates to a conveyor chain, which comprises chain links (1) consisting of a barrel portion (2) and elongated side bars (3,4), the first ends of which are attached to the ends of the barrel, whereby the distance between the free ends of the ...
01/13/1987
4592521Device for guiding a cable onto a reel
A guiding device for a distributor for winding a cable on a flanged reel, which guiding device (6) comprises a traverse tube (17) supported by a traversing device (3) of the distributor for reciprocating the tube between the flanges of the reel. The tube ...
06/03/1986
4585406Apparatus for providing a fibre with an additional length in secondary mantling of an optical fibre
A method for providing a fibre with an additional length in secondary mantling of an optical fibre, according to which an optical fibre is coated by means of extrusion (3) with a secondary mantle allowing an axial movement between the fibre and the mantle...
04/29/1986
4574373Digital multiplex device
The invention relates to a digital multiplex device for branching a digital information stream. In relatively small individual telephone networks using digital transmission techniques and comprising a few intermediate stations and terminal stations, a nee...
03/04/1986
4565510Double extruder for the production of a two-layer tubular extruded product
A double extruder for the production of a two-layer tubular extruded product, which extruder comprises a treating screw (8) rotatably mounted in a housing provided in a frame (2) and forming a ring-shaped treating space (21) between the frame and the scre...
01/21/1986
4540338Suction chamber in a fan
This invention relates to a fan suction chamber having front, back, and bottom walls. The front wall defines a suction inlet; and the back wall has an upper section, which is parallel to the front wall, and a lower section, which slants downward and forwa...
09/10/1985
4496796Buoyant cable
The invention relates to a buoyant cable. The cable sheath (3) is divided into two portions (4 and 5) whereby the cable conductor (1) is placed in one (4) of the portions and the cable float (2) in the other portion (5). Thus, the cable conductor is subst...
01/29/1985
4485482Apparatus for generating a laser pulse
Apparatus for generating a laser pulse including a device for pumping light energy into a laser material included in a laser oscillator in order to produce a stimulated radiation which tends to increase in the direction of the reflectors in the laser osci...
11/27/1984
4425109Method of piling and a transport storage pile formed of ribbon
A method of piling plastics or rubber mixture ribbons on a support (1) for transport and storage wherein the ribbon (2) is folded in superimposed layers (3,4). The ribbon is folded in each layer partly to overlap not more than 2/3 of the width of the ribb...
01/10/1984
4369928Apparatus for forming a long leading end in a wire when winding said wire on a reel
An apparatus for forming a long leading end in a wire wound on a reel in a winding machine comprising at least one power driven shaft for rotating a reel and a shifting flange positioned at one side of said reel. The shifting flange is provided with means...
01/25/1983
4363601Impeller in a centrifugal blower
Disclosed is a centrifugal-blower impeller made from a back plate and a front plate and blades attached between these plates. The back plate or the front plate of the impeller or both of them are prestressed in a direction opposite to the stresses produce...
12/14/1982
4342541Impeller assembly for a centrifugal blower
Disclosed is an impeller in a centrifugal blower, especially a high-pressure blower, wherein the curved part of the front plate of the impeller is replaced by a conical supporting ring. The upper edge of the supporting ring is attached to the blades of th...
08/03/1982
4309160Apparatus for forming foam-skin insulation on telephone wires
A method of forming a foam-skin insulation on telephone wires, wherein a homogenuous flow of basic plastic is divided into two separate flows one of which is subjected to mixing with a foam agent while the other, intended to form an outer layer of solid p...
01/05/1982
4247504Method of manufacturing plastic covered highvoltage cables
A method of manufacturing a plastic covered highvoltage cable by passing an electrical conductor through two successive separate extrusion heads. In the first extrusion head a conductor shield layer is extruded around said conductor as well as a thin auxi...
01/27/1981
4220532Flotation purification apparatus
A flotation purification apparatus for separating solids from solids-containing liquids. The apparatus comprises a flotation tank, an annular distributing channel positioned in said tank for supplying the liquid to be purified into said tank and an upward...
09/02/1980
4155695Continuous curing device for longitudinally extended products with cooling zone
An apparatus for continuous curing (vulcanization) of elongated products, such as cables comprising a conductor surrounded by a mantle of a crosslinkable material. The cable is passed longitudinally through a curing tube in which the cable is first subjec...
05/22/1979
4089578Angle piece for a contact rail
An angle piece for a contact rail of U-shaped section and provided with longitudinal conductors. The L-shaped angle piece can be pushed into the groove of two contact rails forming an angle between them, thereby establishing contact between the conductors...
05/16/1978
4035129Continuous curing device for longitudinally extended products
An apparatus for continuous curing (vulcanization) of elongated products, such as cables comprising a conductor surrounded by a mantle of a crosslinkable material. The apparatus comprises a curing tube through which the cable is passed longitudinally. The...
07/12/1977
3937544Electric current supply conduit and a method and a device for providing same
An electric current supply conduit comprising a metal support rail of substantially U-shaped cross-section forming an open longitudinal channel. The support rail is provided with longitudinally extending current conductors fastened at the opposite side wa...
02/10/1976
 
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