Abstract: An aircraft uses trajectory-based control algorithms for blade pitch (or twist). This approach greatly enhances the ability of the actuator to accurately achieve the desired blade pitch and to track the commanded pitch position. An actuator includes an electronic rotor blade controller that converts communicated or desired changes in pitch (or similar parameter) to actual physical effects that match the desired changes as closely as possible. The controller preferably includes a motor drive circuit, such as an h-bridge, a communication circuit for connection to external commands, and a processor with associated enabling circuitry (e.g. memory, I/O) to coordinate and implement the control.

Abstract: An aircraft uses trajectory-based control algorithms for blade pitch (or twist). This approach greatly enhances the ability of the actuator to accurately achieve the desired blade pitch and to track the commanded pitch position. An actuator includes an electronic rotor blade controller that converts communicated or desired changes in pitch (or similar parameter) to actual physical effects that match the desired changes as closely as possible. The controller preferably includes a motor drive circuit, such as an h-bridge, a communication circuit for connection to external commands, and a processor with associated enabling circuitry (e.g. memory, I/O) to coordinate and implement the control.

Abstract: A Universal Packet Signaling Messaging System (UPSMS) system extends a message received from a messaging system based on a message signaling protocol extension that extends the message signaling protocol by including an indication that the UPSMS service is supported for a respective subscriber, and forwards the extended message to a subscription and location server. The subscription and location server authenticates a subscriber based on the subscriber identity, identifies a packet core network, and delivers the extended message via the identified packet core network to a user equipment (UE).

Abstract: A communication system includes: a plurality of messaging systems; a plurality of packet core networks; a subscription and location server; and a Universal Packet Signaling Messaging System (UPSMS) system. The UPSMS system is configured to extend a message received from one of the messaging systems based on a message signaling protocol extension that extends the message signaling protocol by including an indication that the UPSMS service is supported for a respective subscriber, and to forward the extended message to the subscription and location server. The subscription and location server is configured to authenticate a subscriber based on the subscriber identity, identify a packet core network, and deliver the extended message via the identified packet core network to a user equipment (UE).

Abstract: A method for providing communication services to a plurality of user equipments of a telecommunications network includes: in a first step, both a first type of communication services and a second type of communication services require, respectively, a first communication bearer to be established between the telecommunications network and a respective user equipment of the plurality of user equipments; and in a second step, subsequent to the first step, at least a second communication bearer is established and/or activated by or for a first user equipment in case that the first user equipment detects network performance of the telecommunications network above a predefined first network performance threshold or receives information indicating network performance above the predefined first network performance threshold.

Abstract: A method for enhanced policy and/or charging control when a mobile telecommunications network is used by a user equipment corresponding to a subscriber of a mobile virtual telecommunications network includes; using, by the user equipment, a radio access network; collecting and/or generating, by a radio network element of the radio access network, subscriber-related policy and/or charging control data depending on the use of the radio access network by the user equipment; and transmitting the subscriber-related policy and/or charging control data, from the radio network element to a policy and/or charging control entity, using at least one policy and/or charging control interface.

Abstract: A method for providing communication services to a plurality of user equipments of a telecommunications network includes: in a first step, both a first type of communication services and a second type of communication services require, respectively, a first communication bearer to be established between the telecommunications network and a respective user equipment of the plurality of user equipments; and in a second step, subsequent to the first step, at least a second communication bearer is established and/or activated by or for a first user equipment in case that the first user equipment detects network performance of the telecommunications network above a predefined first network performance threshold or receives information indicating network performance above the predefined first network performance threshold.

Abstract: A method for enhanced policy and/or charging control when a mobile telecommunications network is used by a user equipment corresponding to a subscriber of a mobile virtual telecommunications network includes; using, by the user equipment, a radio access network; collecting and/or generating, by a radio network element of the radio access network, subscriber-related policy and/or charging control data depending on the use of the radio access network by the user equipment; and transmitting the subscriber-related policy and/or charging control data, from the radio network element to a policy and/or charging control entity, using at least one policy and/or charging control interface.

Abstract: This disclosure provides systems, methods and apparatus of establishing a free-space communication link through a medium. The medium can be an occluded environment with increased absorption and/or scattering effects. The free-space communication link includes a transmitter configured to transmit an optical signal at a wavelength suitable for transmission through the medium without suffering excessive optical losses due to absorption and/or scattering effects. The free-space communication link includes a receiver configured to receive the transmitted optical signal. The transmitter-receiver pair is configured to efficiently transmit optical signals at the suitable wavelength over a distance between about 1 mm and about 50 m. The transmitter and the receiver can be configured as portions of a fiber-optic connector assembly that can be used to connect two fiber-optic cables in an occluded environment.

Abstract: This disclosure provides systems, methods and apparatus of establishing a free-space communication link through a medium. The medium can be an occluded environment with increased absorption and/or scattering effects. The free-space communication link includes a transmitter configured to transmit an optical signal at a wavelength suitable for transmission through the medium without suffering excessive optical losses due to absorption and/or scattering effects. The free-space communication link includes a receiver configured to receive the transmitted optical signal. The transmitter-receiver pair is configured to efficiently transmit optical signals at the suitable wavelength over a distance between about 1 mm and about 50 m. The transmitter and the receiver can be configured as portions of a fiber-optic connector assembly that can be used to connect two fiber-optic cables in an occluded environment.

Abstract: An optical device is provided for examining the peritonsillar tissue and the area of the throat above the glottis without gagging an alert patient and without the need for the patient to be sedated or semi-comatose. The portion of the device which is inserted into the patient's mouth is cushioned to protect teeth and gums and is covered to provide sterility.

Abstract: Compositions suitable for coating leather or textile materials are provided which compositions are the reaction product of (a) solubilized casein (b) water-dispersible polyurethane and (c) formaldehyde.