Abstract: A method for locating an asset in an environment, the method comprising. The method comprises capturing, with a camera, a first image of the asset, wherein in the first image, a light source positioned on or adjacent to the asset is in a first state; capturing, with the camera, a second image of the asset, wherein in the second image, the light source is in a second state; and determining the location of the asset in the environment based on the first image, second image and camera-specific information.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: The object of the invention is to provide a secure detachable utility monitoring device to be appended to a utility metering apparatus for controlling at least one utility usage consumption. This is achieved thanks to a detachable metering monitoring device to be connected with a utility meter for controlling at least one utility consumption metered by said utility meter comprising: means to acquire a utility consumption value metered by said utility meter, a first memory to store at least a unique identifier ID and a personal key, both pertaining to said device, means to generate a cryptogram from information data comprising at least the utility consumption value, said cryptogram being encrypted with said personal key, means to generate an information message including at least said cryptogram and the unique identifier ID, means to send the information message to a remote management center.

Abstract: A secure detachable utility monitoring device is disclosed, to be appended to a utility metering apparatus for controlling at least one utility usage consumption. A detachable metering monitoring device of at least one embodiment includes: a usage reading interface to acquire a utility consumption value metered by the utility meter; a first memory to store at least a unique identifier ID and a personal key, both pertaining to the device; a crypto processor to generate a cryptogram from information data comprising at least the utility consumption value, the cryptogram being encrypted with the personal key; a message generator to generate an information message including at least the cryptogram and the unique identifier ID; and a communication network interface including a sending unit to send the information message to a remote management center.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: The present invention aims to address the issue of deploying costly hardware by proposing a content protection layer with an easy distribution capability to clients. The aim is achieved by an network device for descrambling an access controlled audio/video content stream, said network device being configured to be connected to a network router comprises a memory to store a unique address UA specific to the network device, an network input/output interface, a descrambler to descramble the audio/video content stream, and a watermark engine configured to watermark the descrambled audio/video content stream by applying the unique address. A further object of the invention is a method to access scrambled audio/video content stream in a local or roaming mode by a multimedia reception device connected via an IP network to a network router having an IP port connected to the network device.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: A secure detachable utility monitoring device is disclosed, to be appended to a utility metering apparatus for controlling at least one utility usage consumption. A detachable metering monitoring device of at least one embodiment includes: a usage reading interface to acquire a utility consumption value metered by the utility meter; a first memory to store at least a unique identifier ID and a personal key, both pertaining to the device; a crypto processor to generate a cryptogram from information data comprising at least the utility consumption value, the cryptogram being encrypted with the personal key; a message generator to generate an information message including at least the cryptogram and the unique identifier ID; and a communication network interface including a sending unit to send the information message to a remote management center.

Abstract: The present invention relates to the deployment of a plurality of wireless communication devices in order to provide a wireless mesh communications network. According to various embodiments, deployment of the communications devices is made by parachutes suitably adapted for the purpose.

Abstract: A secure detachable utility monitoring device is disclosed, to be appended to a utility metering apparatus for controlling at least one utility usage consumption. A detachable metering monitoring device of at least one embodiment includes: a usage reading interface to acquire a utility consumption value metered by the utility meter; a first memory to store at least a unique identifier ID and a personal key, both pertaining to the device; a crypto processor to generate a cryptogram from information data comprising at least the utility consumption value, the cryptogram being encrypted with the personal key; a message generator to generate an information message including at least the cryptogram and the unique identifier ID; and a communication network interface including a sending unit to send the information message to a remote management center.

Abstract: The present invention relates to the deployment of a plurality of wireless communication devices in order to provide a wireless mesh communications network. According to various embodiments, deployment of the communications devices is made by parachutes suitably adapted for the purpose.

Abstract: The present invention aims to address the issue of deploying costly hardware by proposing a content protection layer with an easy distribution capability to clients. The aim is achieved by an network device for descrambling an access controlled audio/video content stream, said network device being configured to be connected to a network router comprises a memory to store a unique address UA specific to the network device, an network input/output interface, a descrambler to descramble the audio/video content stream, and a watermark engine configured to watermark the descrambled audio/video content stream by applying the unique address. A further object of the invention is a method to access scrambled audio/video content stream in a local or roaming mode by a multimedia reception device connected via an IP network to a network router having an IP port connected to the network device.

Abstract: The aim of the present invention is to limit the impact of security breaches, which are the emulators of the security module. This aim is reached by a processing unit of audio/video digital conditional access data, encrypted by control words, responsible for processing security messages containing at least one cryptogram relative to a control word and one instruction relative to the control word, characterized in that it includes means to receive at least two micro programs by security messages, executable by the security module, said security module comprising means to store at least two micro programs and means to receive an instruction contained in the security message, for selecting the micro program indicated by the instruction, for executing the said micro program with at least the cryptogram as a parameter of execution, this execution allowing the calculation of the control word to be sent back to the audio/video processing unit.

Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.

Abstract: A secure detachable utility monitoring device is disclosed, to be appended to a utility metering apparatus for controlling at least one utility usage consumption. A detachable metering monitoring device of at least one embodiment includes: a usage reading interface to acquire a utility consumption value metered by the utility meter; a first memory to store at least a unique identifier ID and a personal key, both pertaining to the device; a crypto processor to generate a cryptogram from information data comprising at least the utility consumption value, the cryptogram being encrypted with the personal key; a message generator to generate an information message including at least the cryptogram and the unique identifier ID; and a communication network interface including a sending unit to send the information message to a remote management center.

Abstract: The present invention concerns the generation of a key necessary to decrypt audio/video contents by genuine decoding units. It concerns in particular a method to secure the reception of a broadcast content managed by a control center and encrypted by at least one content key, said content key or a data allowing to recover said content key being transmitted to the decoding units encrypted by a transmission key common to the decoding units, each decoding unit having at least one environment parameter known by the control center, said decoding unit receiving from the control center a first message common to all decoding units and comprising the encrypted transmission key and a second message, pertaining to said decoding unit and comprising correction data dedicated to said decoding unit, the decryption of the transmission key being made using the environment parameter and the correction data.

Abstract: The aim of the present invention is to limit the impact of security breaches, which are the emulators of the security module. This aim is reached by a processing unit of audio/video digital conditional access data, encrypted by control words, responsible for processing security messages containing at least one cryptogram relative to a control word and one instruction relative to the control word, characterised in that it includes means to receive at least two micro programs by security messages, executable by the security module, said security module comprising means to store at least two micro programs and means to receive an instruction contained in the security message, for selecting the micro program indicated by the instruction, for executing the said micro program with at least the cryptogram as a parameter of execution, this execution allowing the calculation of the control word to be sent back to the audio/video processing unit.

Abstract: This invention relates to a method for the transmission of management data to at least one multimedia unit or a group of multimedia units. This method is characterised in that said management data is sent in the form of at least one authorisation message encrypted by means of at least one synchronisation key (SK), the sending of said at least one authorisation message being repeated cyclically and intended for said multimedia unit or said group of multimedia units, and in that the synchronisation key is modified at least during each cycle.