Patent application number | Description | Published |
20090167769 | METHOD, DEVICE AND SYSTEM FOR MANAGING STRUCTURE DATA IN A GRAPHIC SCENE - A method is provided for restoring graphic animation content including the following steps: in a receiver terminal; transmitting a request for retrieving the content; and obtaining at least one graphic scene of the content describing at least the spatio-temporal arrangement between the graphic objects of the content. The content further includes at least one function for managing structured data allowing interaction with a database of structured data. The method further includes: querying the database, based on at least one command present in the graphic scene and associated with the functions(s) for managing structured data; obtaining structured data derived from the database; integrating the structured data in the graphic scene; and restoring the graphic scene. | 07-02-2009 |
20090305743 | PROCESS FOR RENDERING AT LEAST ONE MULTIMEDIA SCENE - A method is provided for restitution of at least one multimedia scene, having at least two objects, on a display of a radio communication terminal. The method includes: determining an orientation of the display relative to a user; reorganizing the arrangement of the objects constituting the multimedia scene, based on the orientation and on at least one arrangement data present in the scene; and restitution of the reorganized multimedia scene on the viewing device. | 12-10-2009 |
20100016026 | METHOD FOR COMPUTING ANIMATION PARAMETERS OF OBJECTS OF A MULTIMEDIA SCENE - A method is provided for creating a multimedia scene including at least one object animation, designed to be reproduced on at least one radio communication terminal. At least one of the animations is associated with a non-temporal animation variable, representing a state of at least one object of the scene, of at least one element of the terminal, and/or a state of at least one associated communication network. The variable provides a time-based function for the animation. A method is also provided for reproducing a multimedia scene comprising at least one object animation, on a radio communication terminal. | 01-21-2010 |
Patent application number | Description | Published |
20100149056 | DOWNHOLE TELEMETRY SYSTEM - An EM antenna for location on a pipe ( | 06-17-2010 |
20110032117 | APPARATUS FOR RECEIVING AND TRANSMITTING SIGNALS IN ELECTROMAGNETIC TELEMETRY SYSTEM USED IN A WELLBORE - A downhole electromagnetic telemetry unit for use with a tubing string ( | 02-10-2011 |
20110205080 | TRANSMITTER AND RECEIVER SYNCHRONIZATION FOR WIRELESS TELEMETRY SYSTEMS - A method and system are presented for transmitting data along tubing in a borehole, comprising generating an acoustic signal using a transmitter at a first location on the tubing, and receiving the acoustic signal at a receiver at a second location on the tubing. The method and system further comprise: (i) generating the acoustic signal at the transmitter at a first frequency and bit rate; (ii) receiving the acoustic signal at the first frequency at the receiver and attempting to synchronise the receiver at the first frequency, and (iiia) if the synchronization is successful, continuing to transmit the acoustic signal so as to pass the data from the transmitter to the receiver; or (iiib) if the synchronization is unsuccessful, adjusting the frequency and/or bit rate of the signal and repeating steps (i)-(iii) on the basis of the adjusted signal. | 08-25-2011 |
20110205847 | WIRELESS TELEMETRY SYSTEMS FOR DOWNHOLE TOOLS - Apparatus and method for transmitting data in a borehole ( | 08-25-2011 |
20130038464 | Acoustic Telemetry System for Use in a Drilling BHA - A system for transmitting data along a borehole, comprises a drill string; a bottom hole assembly connected to the drill string including a drilling motor powered by flow of fluid from the drill string, a drill bit connected below the drilling motor and arranged to be rotated by the motor, and at least one sensor being positioned between the drilling motor and the drill bit; a first telemetry system for transmitting data from a first location below the drilling motor to a second location above the drilling motor, the first telemetry system comprising a first transmitter at the first location configured to induce an acoustic signal for propagation along the BHA, and a first acoustic receiver at the second location arranged to receive the acoustic signal; and a second telemetry system comprising two or more transmission channels for transmitting data received by the first acoustic receiver from the second location back up the borehole. The transmission channels are selectable based on a measured condition of the borehole. | 02-14-2013 |
20130128697 | Downhole Communication System - A downhole communication system and method is presented for communicating between a downhole location within a wellbore and a surface location. The system preferably comprises a first and second telemetry module, a downhole tool, and an interface electrically connecting the downhole tool to the first and second telemetry modules. The first telemetry module is connected to a string and positioned downhole within the wellbore, and configured to receive communication signals via acoustic propagation or low frequency electromagnetic transmission. The second telemetry module is connected to the string and positioned downhole within the wellbore, and configured to receive communication signals via fluid pressure pulse commands. The downhole tool is operatively connected to the string. And the interface is adapted to selectively relay digital communication signals between the downhole tool and at least one of the first and second telemetry modules. | 05-23-2013 |
Patent application number | Description | Published |
20080301437 | Method of Controlling Access to a Scrambled Content - A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content. | 12-04-2008 |
20120008781 | METHOD FOR ACCESS CONTROL TO A SCRAMBLED CONTENT - A method for access control to a digital scrambled content distributed to a set of installed reception terminals including one master terminal and at least one slave terminal dependent on the master terminal. In the method the slave terminal systematically or occasionally returns at least one item of information about the access condition to the master terminal through a point-to-point link, to enable the master terminal to control access of the slave terminal to the content. | 01-12-2012 |
20120290831 | METHODS FOR DECRYPTING, TRANSMITTING AND RECEIVING CONTROL WORDS, STORAGE MEDIUM AND SERVER FOR SAID METHODS - A method for deciphering control words for mechanically and electronically independent terminals includes causing first and second terminals to transmit a first and second cryptograms to a control-word server, causing that server to decipher them to obtain first and second control words for enabling descrambling of first and second multimedia content broadcast simultaneously on respective first and second channels, causing the server to transmit the control word to the respective terminals, the second control word obtained by deciphering the second cryptogram before the first terminal executes a channel change, and in response to the channel change, causing the first terminal to search to determine whether the second control word has already been transmitted in advance by the server before the channel change, and if the control word has been transmitted in advance, causing the first terminal to immediately start descrambling the second multimedia content with the second control word. | 11-15-2012 |
20130046969 | METHODS FOR DECRYPTING, TRANSMITTING AND RECEIVING CONTROL WORDS, RECORDING MEDIUM AND CONTROL WORD SERVER TO IMPLEMENT THESE METHODS - A method of transmitting control words to terminals that are mechanically and electronically independent of one another includes transmitting, to a terminal, an absent control word in response to a request from the terminal that contains a cryptogram corresponding to the absent control word, for the terminal, selectively determining a number of additional control words to be transmitted to the terminal as a function of a probability that security of the additional control words is compromised, and transmitting, to the terminal, in addition to the absent control word, the determined number of additional control words to enable the terminal to descramble at least one additional cryptoperiod of the multimedia content in addition to the cryptoperiod of the multimedia content that can be descrambled using the absent control word. | 02-21-2013 |
20130340015 | METHOD FOR ACCESSING MULTIMEDIA CONTENT WITHIN A HOME - A method for accessing multimedia contents within a household via a network includes causing a master to build a contents log associating each content with a server, seeking a multimedia content in the log, and setting up a unicast channel between the client and a server associated with the contents sought in the log, causing the client to receive, using the channel, the content, and to play back the content, in response to connection of a new client or server to the home network or disconnection of a master from the home network, causing different apparatuses capable of functioning as a referencing server to exchange criteria for electing an apparatus to function as a referencing server, and based on the criteria, electing a new master from among the apparatuses capable of fulfilling the referencing server function, wherein in response to election, the new master functions as a reference server. | 12-19-2013 |
Patent application number | Description | Published |
20110075842 | Method and System Making It Possible to Visually Encrypt the Mobile Objects Within A Compressed Video Stream - A method and system is provided of protecting at least one part of a video stream or of a compressed video sequence against a violation of the information contained in said stream, said stream being able to be broken down into at least one first type of objects and one second type of objects, the method being applied to a selection of images contained in said video sequence, characterized in that it comprises at least the following steps: analyzing the video sequence in the compressed domain so as to define for a given image N at least one first type of objects to be protected by encryption and one second type of objects, the analysis module which identifies the portions of the image belonging to the first type of objects to be protected sends the motion estimation vectors and the transformed coefficients to the encryption step; determining, according to the breakdown into portions or into groups of portions of the existing image N, those corresponding respectively to the first type of objects to be protected and to the other types; encrypting at least a part of the first type of objects; reconstructing, on the basis of the outputs of the preceding steps, a stream consisting of at least one first type of encrypted objects and other types of objects, to which is added information indicating which objects are the ones that have been encrypted. | 03-31-2011 |
20110194688 | Method and System Making it Possible to Protect After Compression the Confidentiality of the Data of a Video Stream During Its Transmission - A method is provided for visually encrypting at least one part of an at least partially compressed video stream or video sequence, it being possible for said stream to be decomposed into a first type of objects and a second type of objects, the method being applied on each of the images contained in a video sequence, including at least the following steps:
| 08-11-2011 |
20110317066 | Interactive System and Method for Transmitting Key Images Selected from a Video Stream Over a Low Bandwidth Network - A method and interactive system for the on-line transmission of a high-resolution video sequence composed of a succession of T images includes a step of selecting relevant images comprising at least the following steps: split each image to be transmitted at the instant t into a number N of zones, for each zone n determined in the previous step, calculate a value representative of the content of said zone, for each image to be transmitted, generate a vector representative of the content of said image containing the values obtained in the previous step, calculate a normalized coefficient of correlation α between the reference vector determined for a previously selected image and that calculated for the current image, make a decision on the selection (or not) of the current image as a function of the value of the normalized correlation coefficient α. | 12-29-2011 |