摘要:
A magnetic latching actuator operable to control the movement of at least a first contact and second contact between a closed position in which the contacts physically engage each other and an open position in which the contacts are spaced from each other. The magnetic latching actuator includes first and second stationary permanent magnets oriented such that the first magnetic field created by the first magnet and the second magnetic field created by the second magnet are in opposite directions. An actuation coil surrounds both the first and second magnets. Current is supplied to the actuation coil in a first direction to create a first magnetic field or a second direction to create a second actuation magnetic field opposite the first actuation magnetic field. A yoke is movable relative to the first and second magnets to cause the first and second contacts to move between the open and closed positions.
摘要:
A magnetic latching actuator operable to control the movement of at least a first contact and second contact between a closed position in which the contacts physically engage each other and an open position in which the contacts are spaced from each other. The magnetic latching actuator includes first and second stationary permanent magnets oriented such that the first magnetic field created by the first magnet and the second magnetic field created by the second magnet are in opposite directions. An actuation coil surrounds both the first and second magnets. Current is supplied to the actuation coil in a first direction to create a first magnetic field or a second direction to create a second actuation magnetic field opposite the first actuation magnetic field. A yoke is movable relative to the first and second magnets to cause the first and second contacts to move between the open and closed positions.
摘要:
At least one electrical contactor is provided that includes a fixed contact and a movable contact. The fixed contact includes a center leg and first and second arms that extend in opposite directions from the center leg. The movable contact associated with each fixed contact includes first and second blades positioned on opposite sides of the center leg. The first and second blades extend parallel to the center leg of the fixed contact such that when current flows through the electrical contactor, the current flow creates a force to push the first and second blades into the first and second arms of the fixed contact. The electrical contactor includes an actuating arrangement having a pair of cam members. The movement of the cam members causes pegs on each of the first and second blades to travel within the cam channel, thus opening and closing the contactor arrangement.
摘要:
At least one electrical contactor is provided that includes a fixed contact and a movable contact. The fixed contact includes a center leg and first and second arms that extend in opposite directions from the center leg. The movable contact associated with each fixed contact includes first and second blades positioned on opposite sides of the center leg. The first and second blades extend parallel to the center leg of the fixed contact such that when current flows through the electrical contactor, the current flow creates a force to push the first and second blades into the first and second arms of the fixed contact. The electrical contactor includes an actuating arrangement having a pair of cam members. The movement of the cam members causes pegs on each of the first and second blades to travel within the cam channel, thus opening and closing the contactor arrangement.
摘要:
A method, article of manufacture, and apparatus for managing a computing environment, such as a cloud data repository. In some embodiments, this includes providing a data archive, and relegating data items to a second, long-term data archive. In some embodiments, data items may be converted to an archive format prior to being relegated.
摘要:
A RFID printer for printing and determining the quality of RFID record members having transponders is provided. The RFID printer may be used to print RFID record members utilizing a continuous moving web. In particular, a RFID printer includes an integrated RFID data collector such that identifying RFID transponder information may be recorded and associated with a barcode for inventory tracking purposes. An association file created by the RFID printer may be transferred to a manufacturer or retailer brand owner. The association file may be deleted from the RFID printer upon acknowledgment of receipt of the transmitted association file to the manufacturer or retail brand owner. The RFID printer provides methods for determining quality of RFID printed record members.
摘要:
A cellular wireless packet data communication system containing transmit-only endpoint devices which transmit to receive-only base stations. The system is configured to allow for large area coverage (e.g., a metropolitan area) with far fewer number base stations than are required with conventional two-way cellular systems. The base station coverage areas are configured to overlap, allowing for reception of packets at multiple base stations. A data concentrator resolves redundantly received messages. The network is configurable as a WAN, a LAN, or a combination of the two. Novel modulation techniques (e.g., a 16QAM submodulation together with a 7FSK modulation) are used such that low cost components can be used in the transmitters and receivers while achieving outstanding probability of success performance. The endpoint devices are battery operated and accordingly, are designed for low power consumption and multi-year battery life. The system is used in a variety of applications including remote monitoring and mobile communications.
摘要:
A RFID printer for printing and determining the quality of RFID record members having transponders is provided. The RFID printer may be used to print RFID record members utilizing a continuous moving web. In particular, a RFID printer includes an integrated RFID data collector such that identifying RFID transponder information may be recorded and associated with a barcode for inventory tracking purposes. An association file created by the RFID printer may be transferred to a manufacturer or retailer brand owner. The association file may be deleted from the RFID printer upon acknowledgment of receipt of the transmitted association file to the manufacturer or retail brand owner. The RFID printer provides methods for determining quality of RFID printed record members.
摘要:
A mobile multifrequency transmitter includes a self-locator, a frequency selector, and a communication unit. The self-locator is configured to determine a current self location without transmitting an outgoing signal, and to provide the self location to the multifrequency transmitter. The frequency selector is configured to select a usable frequency based on the current self location. The communication unit is configured to transmit on said selected usable frequency. A mobile communication method includes the steps of obtaining a current self location from a self-locator without transmitting an outgoing signal, looking up in a database an allowable frequency band corresponding to the current self location, and transmitting on the allowable frequency band. Thus, the mobile multi-frequency transmitter is capable of handling an automatic frequency switchover without the need for higher level cellular direction.
摘要:
A RFID printer for printing and determining the quality of RFID record members having transponders is provided. The RFID printer may be used to print RFID record members utilizing a continuous moving web. In particular, a RFID printer includes an integrated RFID data collector such that identifying RFID transponder information may be recorded and associated with a barcode for inventory tracking purposes. An association file created by the RFID printer may be transferred to a manufacturer or retailer brand owner. The association file may be deleted from the RFID printer upon acknowledgment of receipt of the transmitted association file to the manufacturer or retail brand owner. The RFID printer provides methods for determining quality of RFID printed record members.