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U.S. Philips Corp. Patents
Assignee:
U.S. Philips Corp.
Address:
New York, NY
No. of patents:
832
Patents:


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17


Patent Number Title Of Patent Date Issued
RE34035 Carbon containing layer August 18, 1992
A workpiece comprises a substrate having a sliding surface provided with a friction-reducing coating. Such coating consists essentially of elemental carbon dispersed in a matrix formed of at least one metallic element in the proportions of 50.1 to 99.1 at % of the elemental carbon and 0.
RE32988 Single collimator lens having one aspherical surface July 18, 1989
A collimator lens has a small numerical aperture and a specific focal length. One of the surfaces of the lens is planar and the other surface is aspherical. The aspherical surface is defined by a series expansion with only a few even terms.
D341677 Dry shaver November 23, 1993
D305760 Combined car radio and cassette player January 30, 1990
D298933 Combined radio and cassette recorder December 13, 1988
D298173 Base for a fluorescent light fixture October 18, 1988
D297731 Cassette-player September 20, 1988
D297635 Dictating-machine September 13, 1988
6389072 Motion analysis based buffer regulation scheme May 14, 2002
A method and apparatus for processing and encoding video data is presented that allocates available bandwidth, and hence image quality, in dependence upon the relative speed of motion of objects in a sequence of images forming the video data. Fast moving objects are allocated less qualit
6367049 Encoding multiword information by wordwise interleaving April 2, 2002
Multiword information is based on multibit symbols disposed in relative contiguity with respect to a medium, and is encoded with a wordwise interleaving and wordwise error protection code for providing error locative clues across multiword groups. In particular, the clues originate i
6364207 Dual-mode data carrier and circuit for such a data carrier with potential cut-off for at least o April 2, 2002
A data carrier (1) which can be operated in a contact-bound mode and in a contactless mode and a circuit (1A) for such a data carrier (1) has supply voltage generating means (35), for deriving a supply voltage (VDD) for various circuit sections of the data carrier (1) and of the circuit
6317557 Digital signal recording method and apparatus and recording medium therefor November 13, 2001
Digital signals are recorded in sequential tracks on a tape-form recording medium. In the case where the digital signals are recorded in accordance with a first recording format, at least first digital signals for normal reproduction are recorded in a single area of the first format on e
6250774 Luminaire June 26, 2001
A luminaire (1) comprises a housing (10) with a light emission window (11), and at least one lighting module (2) accommodated in the housing for illuminating an object. The lighting module comprises a set of lighting units (20) which each comprise at least an LED chip (30) and an optical
6249273 Method of and device for displaying characters with a border June 19, 2001
It is often desirable to display characters with a border. This border is generated on-line in accordance with the invention in that for each instantaneous raster line preceding and succeeding raster lines are read and column-wise combined in conformity with the desired border, said
6191783 Method and device for configuring a multimedia message for presentation February 20, 2001
A multimedia message is formatted for presentation. First a formatted choice menu is presented for various multimedia categories in parallel. Upon one or more user selections in series, to each selection a monomedium item space is offered for enabling to enter an item for to the associat
6184949 Reflective flat-panel color display device having a diffusing layer and color filter on the same February 6, 2001
The invention relates to a reflective flat-panel color display device (1) having a diffusing display panel (3). The display panel (3) comprises a diffusing liquid crystalline material (5) present between a first and a second substrate (7, 9). A color filter pattern (15) which corresponds
6144442 Pneumatic support device with a controlled gas supply, and lithographic device provided with suc November 7, 2000
Support device (53) provided with a first part (69) and a second part (71) which is supported relative to the first part by means of a gas spring (73) having a pressure chamber (75). A gas supply (117), which compensates for gas leakage from the pressure chamber (75) during operation, is
5640095 Circuit arrangement for leakage-resistance testing of a circuit point June 17, 1997
A circuit for testing the leakage resistance of a circuit point. Particularly in the case of circuits where safety is important, a circuit point, particularly an output terminal of an integrated circuit, should be tested for a leakage resistance relative to ground and/or a voltage to
5623472 Method and apparatus for recording signals on a record carrier, measurement method and measureme April 22, 1997
An apparatus and method for recording an information signal on a record carrier by means of a radiation beam which produces optically detectable marks in parallel track portions thereon having a substantially constant track pitch (q). The write intensity of the radiation beam is adjusted
5380419 Cathode-sputtering apparatus comprising a device for measuring critical target consumption January 10, 1995
A cathode-sputtering apparatus for the surface-coating of objects has a vacuum chamber which contains a helium-group gas, in which chamber a target cathode and an anode are arranged. A voltage for producing plasma discharges is applied to these electrodes and a magnetic field is applied,
5306390 Method of manufacturing a semiconductor device using an implantation mask April 26, 1994
For manufacturing an implantation mask on a semiconductor surface which is provided with grooves, a positive photoresist is provided on the surface. Portions of the photoresist which are to form the implantation mask are illuminated in a first step and rendered insoluble in the developer
5289483 Semiconductor device having a mesa and method of manufacturing same February 22, 1994
A semiconductor device includes a semiconductor structure (D3) of parallel semiconductor layers on a semiconductor substrate (1), in which layers a mesa (12) is formed which includes only a portion (D1) of the semiconductor layer structure (D3). Such devices as are useful in optoelec
5280187 Electrically programmable and erasable semiconductor memory and method of operating same January 18, 1994
A semiconductor memory includes non-volatile memory cells which can be electrically programmed and erased by means of tunnel current (EEPROM) with a floating-gate transistor, the cell being arranged in memory cell groups of n lines and m columns each, n cells being connected in series,
5268579 Monopole magnetic lens field December 7, 1993
In an electron optical system a monopole shaped magnetic field is introduced enabling an aberration free imaging writing or detection in the system. Apparatus based on this field distribution result in improved secondary electron detection such as for chip inspection, in improved res
5266820 Distributed threshold voltage field effect transistor November 30, 1993
A distributed threshold voltage TFT has a first FET and a second FET connected in series with the first point between the first and the second FET via a series circuit of a first capacitance and a second capacitance. The gate of the second FET is connected to the junction point between t
5266524 Method of manufacturing a semiconductor device whereby a layer containing aluminium is deposited November 30, 1993
A method of manufacturing a semiconductor device whereby a layer (3) containing aluminium is deposited by means of a sputter deposition process on a surface (1) of a semiconductor body (2) which is placed on a holder (21) in a reaction chamber (20). The semiconductor body (2) is cooled d
5265144 X-ray apparatus November 23, 1993
An X-ray apparatus comprises a polychromatic X-ray source for generating a primary beam of small cross-section, an energy-sensitive detector arrangement for detecting the scattered radiation produced by elastic scattering processes in the primary beam, which detector arrangement comp
5265064 Pulse generator circuit arrangement November 23, 1993
A circuit which responds to the application of a pulse to its input (6) by generating a pulse at its output (3), the output pulse having a minimum duration T and being extended by the remaining length of the input pulse should the input pulse be still present at the end of the time T,
5264738 Flip-flop circuit having transfer gate delay November 23, 1993
The transfer gate between the master section and the slave section in a flip-flop circuit includes a circuit for reducing the sensitivity to slow clock edges and clock skew. This is accomplished by prolonging the transfer time for data from the master to the salve section of the flip
5264383 Method of manufacturing a thin film transistor November 23, 1993
Source (51) and drain (52) of a thin-film transistor (TFT) are formed from a conductive layer (5) using a photolithographic step (FIG. 3) in which the gate (4) serves as a photomask. In accordance with the invention the insulated gate structure (3,4) is formed at the upper face of the
5263076 Lithotripsy workstation November 16, 1993
A lithotripsy workstation, comprises a patient supporting device (1), a shockwave source (4) for generating shockwaves which are focused onto a point (focus) (6) fixed in space, an X-ray source (10) which irradiates the focus (6) from at least two defined positions, and an image detector
5262725 Magnetic resonance imaging method and device for reducing image errors in a magnetic resonance i November 16, 1993
In magnetic resonance imaging various error sources lead to deterioration of the image quality. One class of errors is formed by errors which vary only slowly over the time required to sample a data line but vary substantially over the time required to acquire data for the complete m
5259014 X-ray tube November 2, 1993
An X-ray tube has a focal spot which can be varied in respect of position or size. A cathode has dimensions adapted to the variation of the focal spot, and between the cathode and the anode of the X-ray tube there is a grid arrangement which comprises a number of grid elements in one pla
5258977 Switching network for an asynchronous time-division multiplex transmission system November 2, 1993
A switching network for an asynchronous time-division multiplex transmission system includes a first stage having a plurality of switching blocks (4 to 7), to which are applied over auxiliary lines cells and routing information intended for various trunk lines and which are coupled t
5258715 Circuit arrangement for selectively amplifying signals November 2, 1993
A circuit arrangement for optionally amplifying one of two signals (from 2 or 6 respectively) in which at least one of the signals is supplied via a switchable signal path interruption which is inhibited when no signal is applied thereacross, and to which in this state a signal voltage i
5258633 Semiconductor device having an IGFET with diffused gate connection November 2, 1993
A semiconductor body (1) defines at least one active device. In the example shown in FIG. 1 complementary n channel and p channel IGFETs (10 and 20) are provided. An electrically conductive region, which may form the gate conductive region (101 and 102) of the insulated gates (11 and 21)
5258624 Transferred electron effect device November 2, 1993
A transferred electron effect device has a semiconductor body with an active region (2) of n conductivity type formed of a semiconductor material having a relatively low mass, high mobility conduction band main minimum and at least one relatively high mass, low mobility conduction ba
5257127 Device for doubling the frequency of a light wave using a three dimensional polymer network October 26, 1993
In a device for doubling the frequency of a light wave, a fundamental light wave 2 originating from a laser light source 1 is guided through a nonlinear optical medium 5 while forming a second harmonic wave 6. The nonlinear optical medium is formed from a polymer network and elements
5256931 Electron source having a material-retaining device October 26, 1993
The present invention relates to a vacuum arc electron source having an anode and a cathode facing each other such that they produce a plasma (P) after an appropriate voltage difference has been applied between the anode and the cathode, an electron extractor device (30) and a materi
5256605 Method of manufacturing a heavy metal fluoride glass composition October 26, 1993
Suitable starting materials for the manufacture of a heavy metal fluoride glass composition are mixed with solid xenon fluoride as the fluoridizing reagent, after which the mixture is heated to temperatures between 200.degree. and 400.degree. C. in an inert atmosphere for a time which
5255092 Pick-up and/or display device, and an imaging system comprising such a device October 19, 1993
A pick-up and/or display device comprises a memory in which a video signal is written at a write frequency under the control of a clock and is read therefrom at a read frequency. Image expansion or image compression can thus be realized. The clock, a clock input of which is connected to
5254863 Semiconductor device such as a high electron mobility transistor October 19, 1993
A semiconductor device is formed by a semiconductor body (1) having a substrate (2) on which is provided a channel-defining region (10) extending between input and output regions (20) and (21). The channel-defining region (10) has a channel layer (11) forming a heterojunction (12) wi
5254494 Method of manufacturing a semiconductor device having field oxide regions formed through oxidati October 19, 1993
A method of manufacturing a semiconductor device includes forming field oxide regions (17) in a surface (1) of a silicon body (2) through oxidation, which body is provided with an oxidation mask (15) formed in a layered structure provided on the surface with a lower layer (4) of sili
5253559 Device and system for piercing printed circuits October 19, 1993
A first tool assembly includes a punch holder assembly and a circuit board clamp and a second tool assembly includes a die for receiving punches held and driven by the punch holder assembly. A circuit board has holes formed by the punches and is clamped by the clamp to the die. The circu
5253137 Integrated circuit having a sense amplifier October 12, 1993
An integrated circuit includes a sense amplifier which has an equalizing effect on voltages on the inputs of the sense amplifier, in particular during readout of the sense amplifier. The sense amplifier includes a parallel connection of a first and second current branch, each current
5253038 Interferometric device for detecting a centering error October 12, 1993
A device for detecting a centering error of a rotationally symmetrical surface (0.sub.1, 0.sub.2) of an object (0) with respect to a rotational axis (AR) about which axis the object is rotated for the purpose of the centering error detection is described. Two beams (b.sub.1, b.sub.2 ;
5252884 Translation device October 12, 1993
The invention relates to a translation device comprising an actuator body and a coupling member which mechanically contacts said actuator body, the actuator body having at least one body of a solid electrolyte which is clamped between a pair of supporting surfaces and which is provided w
5251375 Shaving apparatus October 12, 1993
A shaving apparatus comprises a housing provided with a first shaving member having a first cutting edge and with a second shaving member having a second cutting edge, which second shaving member is drivable relative to the first shaving member, the movement of the second cutting edge re
5250823 Integrated CMOS gate-array circuit October 5, 1993
A gate array circuit includes a row of consecutively arranged n-channel transistors and an adjacent row of p-channel transistors. Both rows are composed of at least three subrows with two subrows of narrow transistors and one subrow of wide transistors, of which the channel width is at l
5250815 Hot electron injector Gunn device with anode heat sink October 5, 1993
A transferred electron effect device (1) has adjacent its cathode contact region (3) an injection zone (60) defining a potential barrier (P) for causing electrons to be emitted, under the influence of an electric field applied between the cathode and anode contact regions (3 and 4), into
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