摘要:
To track the location of a terminal in an indoor space by using a pseudo GPS signal transmitter, a GPS signal sent from an artificial satellite is received, and a clock signal of the artificial satellite is extracted from the received GPS signal to perform synchronization with the artificial satellite. Once synchronization with the artificial satellite is performed, a pseudo GPS signal is generated, and the transmission time of the pseudo GPS signal is controlled. The GPS signal is sent to the terminal located in the indoor space by a plurality of transmitting antennas based on the controlled transmission time, thereby enabling the terminal located in the indoor space to track its location.
摘要:
Disclosed are a radio secure reader and a radio secure tag for supporting a secure mode and a normal mode. The radio secure reader for controlling an operation mode of the radio secure tag may include a reader modem to receive the operation mode from the radio secure tag, and a reader processing unit to identify the received operation mode as a normal mode or a secure mode, and to control the radio secure tag based on the identified operation mode.
摘要:
Disclosed is a relay tag, a location computation reader, and a continuous indoor and outdoor real-time location tracking method and system, which tracks locations of a plurality of target objects of location tracking with a plurality of relay tags, in real time, wherein a GPS satellite transmits a location information signal outdoors, a similar GPS signaler generates a location information signal indoors, and transfers the generated location information signal, the plurality of relay tags, attached to the plurality of target objects of location tracking, relay the location information signals by receiving the location information signals transferred from the GPS satellite and the similar GPS signaler, and a location computation reader receives the location information signals from each of the plurality of relay tags, and computes locations of the plurality of target objects of location tracking.
摘要:
A method of storing sensor data in a sensor tag is provided. The method comprises receiving new sensor data output from a sensor, comparing the received new sensor data with immediately previous sensor data to determine whether the comparison result satisfies a predetermined criterion, and storing the new sensor data in a tag memory when it is determined that the criterion is satisfied. Accordingly, efficient use of the tag memory is possible.
摘要:
A transistor having an electrode layer that can reduce or prevent a coupling effect, a fabricating method thereof, and an image sensor having the same are provided. The transistor includes a semiconductor substrate and a well of a first conductivity type formed on the semiconductor substrate. A heavily-doped first impurity region of a first conductivity type surrounds an active region defined in the well. Heavily-doped second and third impurity regions of a second conductivity type are spaced apart from each other in the active region an define a channel region interposed therebetween. A gate is formed over the channel region to cross the active region. The gate overlaps at least a portion of the first impurity region and receives a first voltage. An electrode layer is formed between the semiconductor substrate and the gate, such that the electrode layer overlaps a portion of the first impurity region contacting the channel region and receives a second voltage. An insulation layer is formed between the semiconductor substrate and the electrode layer, the semiconductor substrate and the gate, and the electrode layer and the gate. The insulation layer surrounds the electrode layer.
摘要:
The present invention relates to an apparatus with reconfiguration function and signal gathering function. The apparatus with reconfiguration function and signal gathering function according to the present invention comprises a signal gathering unit which gathers at least one alarm digital alarm signal, an alarm signal address setting unit where the address of the alarm signal gathering unit is setup; and an alarm signal collection controller which outputs the at least one digital alarm signal through serial bus. Therefore, address is allocated to a plurality of digital signals and thus the number of necessary components decreases and the embodiment area decreases, as well.
摘要:
An image sensor comprises: an array of photoelectric conversion elements in a substrate, the photoelectric conversion elements being arranged in rows and columns extending in a first direction and a second direction respectively; a plurality of first junction isolation regions in the substrate that each isolate side portions of neighboring photoelectric conversion elements of a common row, and a plurality of second junction isolation regions in the substrate that each isolate side portions of neighboring photoelectric conversion elements of a common column; and a plurality of dielectric isolation regions in the substrate, that each isolate corner portions of neighboring photoelectric conversion elements. In one embodiment, the photoelectric conversion elements have a first pitch in the first direction and have a second pitch in the second direction and the first pitch is substantially equal for the photoelectric conversion elements of a common row, and the second pitch is substantially equal for the photoelectric conversion elements of a common column.
摘要:
In one aspect, an image sensor is provided which includes an array of unit active pixels. Each of the unit active pixels comprises a first active area including a plurality of photoelectric conversion regions, and a second active area separated from the first active area. The first active areas are arranged in rows and columns so as to define row and column extending spacings there between, and the second active areas are located at respective intersections of the row and column extending spacings defined between the first active areas.
摘要:
A ring selection method for a dual ring network to perform node-to-node packet transmission. A transmission node transmits a reception node address request message for packet transmission to all nodes, and updates a routing table using information on a short path transferred from the reception node. The information on inter-node hop numbers included in the routing table is used to select a ring having the lowest hop number between the reception nodes It is then determined whether the selected ring is wrapped, and if the ring is not wrapped, comparing its usage rate and hop number to the reception node with reference values based on a ring selection algorithm; and if the ring is suitable based on the reference values, selecting the ring for packet transmission.
摘要:
A device and method for selectively resetting component blocks of a system having a microprocessor control unit, includes a reset signal mechanism for generating a reset signal to the system; and a driving mechanism for determining whether each of the component blocks is to be initialized or maintained in its present state upon receiving the reset signal, and selectively initializing the component blocks of the system based on the determination.