| Patent Number |
Title Of Patent |
Date Issued |
| D442940 |
Radio |
May 29, 2001 |
|
| D425065 |
Radio |
May 16, 2000 |
|
| D425059 |
Digital answering machine |
May 16, 2000 |
|
| D424564 |
Radio |
May 9, 2000 |
|
| D424562 |
Clock radio |
May 9, 2000 |
|
| D391952 |
Video laser player |
March 10, 1998 |
|
| 6312143 |
Illumination device with light reshaping element for an optical valve |
November 6, 2001 |
| The present invention relates to a device for illuminating at least one surface, which includes a light source and a reflector in order to focus the light rays emitted by the source. In said device, the focal plane of the reflector lies between the light source and the said surface and i |
| 6307334 |
Television receiver with horizontal deflection circuit |
October 23, 2001 |
| In a television receiver comprising a horizontal deflection circuit (2) associated with a flyback transformer (9), the horizontal deflection circuit comprises a switch (6) which is controlled by a control signal (Hdrive) generated by a deflection control circuit (1). The deflection c |
| 6266415 |
Process for protecting an information item transmitted from a security element to a decoder and |
July 24, 2001 |
| The invention relates to a process for protecting an information item transmitted from a security element to a decoder and a protection system using such a process.The information item is protected by encrypting within the security element the information item to be transmitted to the de |
| 6252613 |
Matrix display addressing device |
June 26, 2001 |
| A device for addressing a matrix screen such as a screen of the LCD or plasma type having a memory stage receiving, via a demultiplexing stage a plurality of sequences of digital data representing the previously digitized luminance video signals, and delivering the luminance video si |
| 6240177 |
Communication device comprising an off-hook detection circuit |
May 29, 2001 |
| The subject of the invention is a communications device connected in parallel with at least one item of communications apparatus on a transmission line (L1, L2). The device and the apparatus conform to a given template in terms of DC components. The device in accordance with the inve |
| 6233164 |
Protection circuit for a switched-mode power supply |
May 15, 2001 |
| The protection circuit comprises a storage capacitor which is coupled with a terminal of a secondary winding which charges said storage capacitor during the on-interval of the switching transistor. During the off-interval of the switching transistor the charge of the storage capacito |
| 6148107 |
Quantization process for video encoding |
November 14, 2000 |
| A block based signal compression system, as for example for coding video signal, and employing quantization of codewords or transform coefficients includes circuitry for adaptively controlling the quantization. Adaptivity of quantization is made a function of several parameters. One para |
| 6144699 |
Device for estimating motion by block matching |
November 7, 2000 |
| A device for estimating motion between a current image and a previous image by block matching, the images being split into blocks. The device includes a processing circuit for each candidate motion vector and at least one memory. Each processing circuit calculates errors between a block |
| 6133698 |
Fractionated-rectification high-voltage transformer with grouped diodes |
October 17, 2000 |
| The disclosure is a stepped rectification high-voltage transformer including a secondary step-up winding in which at least two output diodes connected to two different stages of this secondary winding are located in a same axial level and perpendicular to the potentiometer block forming |
| 6111371 |
Switch control signal generator |
August 29, 2000 |
| A scan frequency detector is responsive to a horizontal synchronization signal to generate a data signal that is indicative of the horizontal scan frequency. A digital-to-analog (D/A) converter produces from the data signal an analog, output signal at a first level, when the horizontal |
| 6072628 |
Optical polarisation device |
June 6, 2000 |
| An optical polarization device includes a source of light emitting a non-polarised light beam. A polarization separator reflects one polarization component of the light beam and transmits the other polarization component. A reflection means receives the component reflected by the pol |
| 6052166 |
LCD projector comprising light sensor and correction circuit |
April 18, 2000 |
| Known LCD projectors, used for example in TV sets, can only be manually adjusted for the compensation of the changing color spectrum of the lamp due to its aging process. An LCD projector according to the invention further comprises an image sensor to measure the light intensity of the |
| 6035397 |
Process for data certification by scrambling and certification system using such a process |
March 7, 2000 |
| The invention relates to a process for data certification as well as to the system implementing the certification process.The certification of the data is performed by scrambling.An authority independent of the entity which controls the data source and of the user(s) for which these data are |
| 6023294 |
Bit budget estimation method and device for variable word length encoders |
February 8, 2000 |
| The invention is a process and apparatus for estimating a bit budget in a circuit for compressing digital data, especially digitized television signals. Signals represented by N-bit coded samples, are estimated based upon the probability of a bit of given order having a given value (0 or |
| 6021200 |
System for the anonymous counting of information items for statistical purposes, especially in r |
February 1, 2000 |
| The system includes a plurality of decision units, at least one verification unit, and at least one counting unit, the units being functionally and structurally separate from each other. Each decision unit includes means for producing a source information item and an identity informa |
| 6005872 |
Method and device for synchronizing digital decoder and encoder clocks |
December 21, 1999 |
| The disclosure relates to a method of synchronization of clocks wherein, in a system including a digital decoder of a receiver equipped with a sampling clock and a digital encoder of an transmitter also equipped with a sampling clock, said method includes the following stages: in the |
| 6002212 |
Method and device for driving a radiation emitting device |
December 14, 1999 |
| A radiation emitting device, such as an LED, is optimally driven in dependence on the value of a carrier frequency of a signal to be transmitted. The current provided to the radiation emitting element is controlled responsive to the carrier frequency. When using an LED, the current v |
| 5995154 |
Process for interpolating progressive frames |
November 30, 1999 |
| A process for converting interlaced frames into progressive frames comprising a change of frame frequency by interpolation and motion compensation, wherein when a motion vector associated with a pixel to be interpolated is non-zero or when the motion vector is zero but the confidence |
| 5990993 |
Display device having a backlighting system supplying collimated light |
November 23, 1999 |
| A display device having a backlighting system supplying collimated light, a transmissive electro-optical modulator of the liquid crystal display type and a means for distributing the light angularly. The distance between the means for distributing the light angularly and the display is c |
| 5978883 |
Block interleaving and deinterleaving method and device therefor |
November 2, 1999 |
| A process for interleaving blocks of P packets each including L binary words, the interleaving being carried out by writing the data to an interleaving memory in a given order and by reading them back in an order corresponding to the interleaving. After having read, at a given address, |
| 5970071 |
Method and device for insertion of asynchronous data in a digital signal |
October 19, 1999 |
| The disclosure concerns a procedure for insertion of samples representing digital data from a first source having a first bit rate in a digitized signal from a second source having a second bit rate, wherein the second bit rate is greater than the first bit rate, and each data of the fir |
| 5963273 |
Circuit for carrying out digital Nyquist filtering of IF intermediate frequency signals |
October 5, 1999 |
| The circuit for the digital filtering of IF intermediate frequency video signals comprises an A/D (analog/digital) converter and a Nyquist filter (N); an analog prefilter, suitable for selecting the desired channel, is placed upstream of the A/D converter. The Nyquist filter (N) is a dig |
| 5960090 |
Process and device for wireless transmission |
September 28, 1999 |
| The present invention relates to a process and a device for the wireless transmission of a signal S.sub.1 between a transmitter and at least one receiver.According to the invention, at the sending end:a first carrier S.sub.2, of frequency F.sub.2, situated in the VHF (Very High Frequency |
| 5956262 |
Digital filtering device |
September 21, 1999 |
| A digital sample filtering device comprising storage device including ROM and RAM memory for storing in an interlaced manner, coefficients of at least two filters along with for each coefficient, data indicating to which of the filters the each coefficient belongs; a multiplier for m |
| 5956097 |
System for automatically controlling the tuning of television receiver receiving channels |
September 21, 1999 |
| A video receiving device (A) that includes a circuit for receiving first video signals from a remote transmitter, a circuit for receiving second video signals from another video receiver (TVS), a circuit (TU1) for automatic searching for transmission channels, and a circuit (PC) for |
| 5953458 |
Method and device for motion estimation |
September 14, 1999 |
| The invention relates to a device for blockwise estimation of motion. This device includes on the one hand a matrix array (300) for calculating an error function, the said array including storage elements (S, 406, 407) for plural blocks (a, a') of current pixels and means (403) for switc |
| 5952786 |
Auto deguassing from stand-by to on |
September 14, 1999 |
| Circuitry to control a power supply of a degaussing coil of a cathode ray tube, said degaussing coil is coupled to a main voltage supply through a switching device the circuitry has inputs coupled to a direct source of current of a switched mode power supply, the switched mode power supp |
| 5949398 |
Select line driver for a display matrix with toggling backplane |
September 7, 1999 |
| When a given row in an array of a liquid crystal display having a toggling backplane voltage is de-selected, the row select line voltage also toggles to prevent capacitive current in the pixel capacitance. The row select line driver includes a pair of transistors coupled in a push-pull |
| 5945792 |
Sawtooth generator with gain control arrangement |
August 31, 1999 |
| In a vertical sawtooth generator of a vertical deflection circuit, a first comparator generates an output signal when a retrace portion of a sawtooth signal is at a first magnitude to initiate a vertical trace portion of the sawtooth signal. An amplifier responsive to the sawtooth signal |
| 5940144 |
Device for regulating the contrast of video images |
August 17, 1999 |
| A device for regulating the luminance signal and chromanance signals of a video image to be converted into red, green and blue color signals. The device includes a conversion matrix and a device for regulating an amplitude of the luminance signal, the blue color difference chromanance |
| 5933545 |
Device for the decimation of digital data sequences |
August 3, 1999 |
| A decimation device for digital data sequences includes a multiplexer mounted in cascade with a calculator producing, alternately, during a first calculation cycle, the mean M.sub.i of at least two data sequences representing the pixels P(i,j) and P(i,j+1) in a line L.sub.i, and during |
| 5932967 |
Plasma display panel |
August 3, 1999 |
| A plasma display panel is formed by a front plate and a back plate spaced apart from one another so that a discharge space is formed to accommodate a plurality of light generating display cells. To increase the luminance on the front side of the plasma display panel a mirror surface or a |
| 5915206 |
Procedure for the detection of SCART type connections in a home systems network |
June 22, 1999 |
| The purpose of this invention is a process for the detection of SCART type connections in a home systems network.This process includes the following steps:a) disactivate video sources connected to the network,b) put video receivers connected to the network on standby,c) send a video signal from |
| 5914574 |
Stray emission reduction circuit |
June 22, 1999 |
| The most popular method for reducing stray emission effects in a cathode ray tube is to install a bleeder resistor at the flyback transformer of the tube. Such a bleeder resistor is, however, quite expensive. Therefore, the stray emission reduction circuit according to the invention |
| 5905535 |
Differential coding of motion vectors using the median of candidate vectors |
May 18, 1999 |
| A process for differential coding of a motion vector associated with a macro-block, including the steps: of determining the components of the said motion vector, of determining a prediction vector, each component of which is equal to the median value of the corresponding components of at |
| 5903451 |
SMPS with a variable frequency start up circuit |
May 11, 1999 |
| The invention relates to a switch mode power supply (SMPS) comprising control means (IP1) including an oscillator (OS) for generating a pulse-width modulated signal (V2). The object is to provide a fast start-up time over a wide mains input-voltage range (AC). According to the invent |
| 5903324 |
Transport processor interface for a digital television system |
May 11, 1999 |
| A transmitted high definition television signal is represented by a packetized datastream configured as a sequence of data fields with a non-uniform data rate due to different types of different duration non-data overhead information. Each data field is prefaced by a Field Sync overh |
| 5900973 |
Optical polarization device and projection system of liquid crystal valve type utilizing such a |
May 4, 1999 |
| An optical polarization device including a source of light emitting a light beam, and a polarization beam splitter for reflecting the s-polarization component of the light beam and transmitting the p-polarization component. A Fresnel structure with a reflective coating receives the s-pol |
| 5900972 |
Stereoscopic display system |
May 4, 1999 |
| Stereoscopic effects can be created by binocular parallax. Known stereoscopic display systems show pseudoscopic effects in outer areas of the image viewing position and the viewing position is fixed. To avoid such pseudoscopic effects and/or to change the viewing position stereoscopi |
| 5892487 |
Antenna system |
April 6, 1999 |
| A feeder for a microwave antenna system which can be integrated together with electronic circuitry on a common circuit board. A slot antenna, preferably shaped as an annular slot, is provided on the circuit board, and can be etched on the backside of the circuit board, which is normally |
| 5877824 |
System for illuminating a liquid-crystal screen |
March 2, 1999 |
| This system for illuminating a liquid-crystal screen comprises a light source which emits an unpolarized light beam (F). A polarizing splitter device (PBS) receives this unpolarized light beam and retransmits, onto the liquid-crystal screen, a first and a second beam (F1, F2) which are |
| 5877822 |
Method for storing digital channel tuning data, and circuit, television receiver and video casse |
March 2, 1999 |
| The disclosure relates to a method and a circuit for storage of digital tuning data and parameters for a number of television channels in a rewritable memory. The channel search is initialized by pressing a single button to initialize a scan of the reception frequency band. The scanning |
| 5870476 |
Process for pledging data for a secure data exchange protocol |
February 9, 1999 |
| The process comprises a "pledging" step in which a debtor party transmits to a creditor party a data item which is the image of a pledged data item, and a "commencement" step in which the debtor party transmits the plain pledged data item to the creditor party who can verify pledge consi |
| 5870380 |
Method and apparatus for reception of signals from several transmitters wherein each transmitter |
February 9, 1999 |
| The disclosure relates to a method of reception of signals from at least two transmitters (RCi), wherein for each transmitter the data ("0", "1") are represented by the time interval (T0i, T1i) between two consecutive pulses transmitted by this transmitter, said time intervals and the pu |
