Abstract:
A low power radio frequency transceiver is arranged to form a network of communicating low power radio frequency transceivers. It comprises a transmitter for transmitting packets of data and means for controlling the transmitter to transmit a series of messages of a first type outside the network of transceivers, for maintaining synchronisation.
Abstract:
A slave low power radio frequency transceiver participates in a network controlled by a master low power radio frequency transceiver and synchronises its timing to the network timing by receiving radio packets transmitted from the controlling low power radio frequency transceiver. The slave transceiver comprises timing means; detection means operable over an interval of time for detecting a predetermined portion of a received radio packet; and adjusting means for adjusting the timing means in response to the detection of a predetermined portion of a received radio packet. The slave low power radio frequency transceiver is arranged to controllably vary the duration of the interval of time.
Abstract:
There is disclosed a method and a device connected to a serial bus, said method comprising transmitting a message that indicates a power requirement for a suspended mode of said serial bus; in response to a received authorization message, setting a first or a second operating state; entering said suspended mode; drawing a current in accordance with said indicated power requirement that may exceed a predetermined current limit if said operating state is said first state, and drawing a current at or below said predetermined current limit if said operating state is said second state.
Abstract:
An antiferromagnetically exchange-coupled structure for use in a magnetic device, such as a magnetoresistive sensor, includes an underlayer formed of a chemically-ordered tetragonal-crystalline alloy, a chemically-ordered tetragonal-crystalline Mn-alloy antiferromagnetic layer in contact with the underlayer, and a ferromagnetic layer exchange-coupled with the antiferromagnetic layer. The underlayer is an alloy selected from the group consisting of alloys of AuCu, FePt, FePd, AgTi3, Pt Zn, PdZn, IrV, CoPt and PdCd, and the antiferromagnetic layer is an alloy of Mn with Pt, Ni, Ir, Pd or Rh. The underlayer enhances the transformation of the Mn alloy from the chemically-disordered phase to the chemically-ordered phase. In one example, an exchange-coupled structure with an underlayer/antiferromagnetic layer of AuCu/PtMn allows the PtMn to be made substantially thinner, thus reducing the electrical resistance of the structure and improving the performance of a current-perpendicular-to-the-plane (CPP) magnetoresistive sensor.
Abstract:
An acoustical and thermal insulator provided which is suitable for use in a vehicle. The insulator includes a nonlaminate acoustical and thermal insulating layer of blend of polymer fibers and natural fibers. The fiber blend provides a lower cost material with similar acoustical, thermal properties. The insulator includes a relatively high density, nonlaminate layer of the fiber blend and/or one or more facing layers constructed from various materials.
Abstract:
In the case of a universal serial bus (USB) connection, a host detects a connection of a peripheral to the host via a USB interface of the host. The host then generates an informative command, which includes information on capabilities of the host. This informative command is provided for transmission via the USB interface to the peripheral. The peripheral receives the informative command and may for instance evaluate the included information for selecting a suitable USB mode that is to be entered or for deciding on becoming a host itself. Alternatively or in addition, the host may generate a request command for retrieving information on all classes offered in all USB modes of a peripheral.
Abstract:
In the case of a universal serial bus (USB) connection, a host detects a connection of a peripheral to the host via a USB interface of the host. The host then generates an informative command, which includes information on capabilities of the host. This informative command is provided for transmission via the USB interface to the peripheral. The peripheral receives the informative command and may for instance evaluate the included information for selecting a suitable USB mode that is to be entered or for deciding on becoming a host itself. Alternatively or in addition, the host may generate a request command for retrieving information on all classes offered in all USB modes of a peripheral.
Abstract:
A method and system for compensating for misalignment of a piece of target material to which a design is to be applied is described. One embodiment receives first and second sets of coordinates corresponding to the location, respectively, of first and second reference points on the target piece of material; modifies, based on the received first and second sets of coordinates, design data that specifies a predetermined position and orientation of the design on the target piece of material with respect to the first and second reference points to produce modified design data, the modified design data compensating for at least one of translational and rotational misalignment of the target piece of material with respect to a design-application mechanism; and applies the design to the target piece of material in accordance with the modified design data.
Abstract:
Systems and methods are provided for communication between master and slave devices on a network, such as a piconet or Bluetooth network. A master notifies the slave of a change in the link supervision timeout associated with the piconet. The slave stores the new link supervision timeout value and uses this value to control subsequent network-related operations, such as inquiry and paging procedures within a scatternet. The slave, aware of the link supervision timeout value for its existing connection may set an activity time limit for procedures in order to return to the physical channel of the piconet before a timeout connection loss to reestablish contact with the piconet master.
Abstract:
A slave low power radio frequency transceiver participates in a network controlled by a master low power radio frequency transceiver and synchronises its timing to the network timing by receiving radio packets transmitted from the controlling low power radio frequency transceiver. The slave transceiver comprises timing means; detection means operable over an interval of time for detecting a predetermined portion of a received radio packet; and adjusting means for adjusting the timing means in response to the detection of a predetermined portion of a received radio packet. The slave low power radio frequency transceiver is arranged to controllably vary the duration of the interval of time.