Abstract:
A wireless command device adapted to cooperate with a command regenerator device is described, said command device comprising: - a command transmitter adapted to issue a command signal receivable by the command regenerator device; - an activation transmitter adapted to send an activation signal for activating the command regenerator device; - energy collecting means arranged to collect energy from electromagnetic waves picked up by a main antenna connected thereto; - processing means configured for determining if said command device has sufficient energy to issue the command signal; said activation signal being adapted to activate energy irradiating means included in the command regenerator device, said energy irradiating means being adapted to irradiate electromagnetic waves with at least a first power value Pc capable of powering the command device for the purpose of issuing the command signal.
Abstract:
A method is described for re-determining, in a television apparatus, a program table comprising associations between alphanumeric labels and radio-television programs, each one of said alphanumeric labels indicating a string of characters that must be selected by the user in order to activate the reproduction of one of said radio-television programs associated therewith, said method comprising the steps of biunivocally associating with each radio-television program in said table an alphanumeric label comprising a numeric part; allowing at least a first list and a second list to be simultaneously displayed on a screen, both comprising identification data of the radio-television programs obtained from the program table, said radio-television programs being sorted in said lists according to sorting criteria; selecting a first program from the first list of programs sorted according to a first sorting criterion, said first program being associated with a first alphanumeric label; selecting a second program from the second list of programs sorted according to a second sorting criterion, said second program being associated with a second alphanumeric label; and modifying the value of the first alphanumeric label of the first program with an alphanumeric label value comprised in the range delimited by the value of the second alphanumeric label, extreme included, and by the value of the alphanumeric label, extreme excluded, which immediately precedes the second alphanumeric label in said second list.
Abstract:
The invention discloses a method of bi-directional communication in a cellular mobile telecommunication network (2), wherein a terminal ( 10) receives signals transmitted by at least one radio base station (5.7) of a downlink network of the cellular mobile telecommunication network (2) and selects one serving transmitting radio base station (6) among one or more transmitting (5) or transceiving (7) radio base stations of the downlink network, wherein the downlink network operator selects one serving receiving radio base station (8) among one or more receiving radio base stations (3,7) of an uplink network which have received a signalling message (URRA) transmitted by the terminal (10). By means of the serving receiving base station (8) of the uplink network and the serving transmitting base station (6) of the downlink network, the terminal (10) establishes bidirectional connections over the cellular mobile telecommunication network (2).
Abstract:
The present invention relates to an apparatus and a method for correcting the deformations that appear, in both bidimensional and stereoscopic vision, when images generated in compliance with the linear perspective rules are viewed from a point of view not corresponding to the center of projection of the perspective. The corrections are determined by a technique that tends to represent the images as if each point that constitutes them were captured with the lens aimed at it. In such hypothesis of lens aiming, the position gradient of the points to be represented is calculated, and the coordinates of the positions that the points must take in the image plane are obtained by integrating the components of such gradient. The application range of the method is very wide, due to the various embodiments and numerous variants it allows.
Abstract:
The present invention relates to a method and a user equipment (105) comprising communication means adapted to attempt to access a mobile telecommunications network (107) and to receive from said network (107) information about the presence of access restrictions to the network (107); said equipment (105) also comprises an access management module (106) configured for determining, in the presence of access restrictions to the network (107), a wait time (Tbarring) that must elapse, at the least, between successive verifications of the possibility of accessing said network (107), wherein said wait time (Tbarring) is determined at least on the basis of the result of at least one previous attempt to access the network (107) by said user equipment (105).
Abstract:
A process is described for transmitting at least one alarm signal from an alarmed apparatus to a PSAP (Public Safety Answering Point, 127), through a system composed of a plurality of cooperating apparatuses (101, 104, 108, 106, 116, 119, 111, 124, 122) comprising at least one such alarmed apparatus (101) and at least one responding apparatus, said apparatuses being equipped at least with memory means, processing means and a first radio system for direct reception/transmission, from apparatus to apparatus, of signals and data, and said plurality of cooperating apparatus comprising at least one apparatus (124, 122) equipped with means adapted to transmit said alarm signal to said PSAP (127). An apparatus is also described which is adapted to implement the above process.
Abstract:
The present invention relates to an apparatus and a method for correcting the deformations that appear, in both bidimensional and stereoscopic vision, when images generated in compliance with the linear perspective rules are viewed from a point of view not corresponding to the center of projection of the perspective. The corrections are determined by a technique that tends to represent the images as if each point that constitutes them were captured with the lens aimed at it. In such hypothesis of lens aiming, the position gradient of the points to be represented is calculated, and the coordinates of the positions that the points must take in the image plane are obtained by integrating the components of such gradient. The application range of the method is very wide, due to the various embodiments and numerous variants it allows.
Abstract:
The present invention relates to a method for estimating the distance (d) of a receiver (102) from a radio transmitter (101), comprising the steps of: receiving (602) radio signals (103, 701) irradiated by the transmitter (101), which comprise components from which at least three tones (1,2,3,4) are extracted, each having a different frequency; measuring (606) a first phase difference (Δφ21) between first two tones (1, 2) of said at least three tones, whose frequencies (f1; f2) have a first spacing, and measuring a second phase difference (Δφ43) between second two tones (3, 4) of said at least three tones, whose frequencies (f3, f4) have a second spacing, wherein one of said first spacing or second spacing is greater than the other; estimating (607, 611, 613) said distance (d) on the basis of said first phase difference (Δφ21) and said second phase difference (Δφ43). The present invention also concerns related methods for calculating the position of a mobile terminal, to a mobile terminal, and to a device for localizing a mobile terminal. Said methods are preferably applied to transceiver systems using OFDM modulation, such as, for example, cellular networks compliant with the Long Term Evolution (LTE) standard and systems based on the IEEE 802.16 (WiMax) standard.
Abstract:
The present invention relates to a method for displaying a video stream according to a format defined by a user, wherein a graphic element is superimposed on the displayed video stream, and wherein the dimensions and/or position of the graphic element are modified as a function of commands received from the user, so as to define a screen area in which a certain portion of the frames of the video stream is displayed. The video stream is then displayed in a format wherein, for each frame, the frame portion defined by the graphic element is displayed with altered dimensions and/or position on the screen.
Abstract:
A method and a user equipment (105) includes a communication device adapted to attempt to access a mobile telecommunications network (107) and to receive from the network (107) information about the presence of access restrictions to the network (107); the equipment (105) also includes an access management module (106) configured for determining, in the presence of access restrictions to the network (107), a wait time (Tbarring) that must elapse, at the least, between successive verifications of the possibility of accessing the network (107), wherein the wait time (Tbarring) is determined at least on the basis of the result of at least one previous attempt to access the network (107) by the user equipment (105).