摘要:
An actuator in which, when a supporting shaft, where a mirror (control object) is provided, is tilted by receiving an electromagnetic force of a magnetic driving mechanism, small balls of a supporting mechanism move in an axial direction in a space provided between an outer base and an inner ring member. Therefore, the supporting shaft and the inner ring member holding the supporting shaft swing. At this time, since the inner ring member swings around a rotational fulcrum as center, the supporting shaft can swing around one rotational fulcrum as center at all times. A plurality of laid members serving as a rotation restricting member prevent rotation of the supporting shaft in a direction around the axis.
摘要:
When currents are applied to driving coils, electromagnetic forces are generated between the currents and magnetic fluxes passing through gaps, a shaft member is swung in one direction, and a tilt angle of a mirror (controlled object) changes relative to a support center point. Electromotive forces generated in detection coils when the magnetic fluxes pass through the detection coils are given as feedback signals to a control unit. The control unit generates currents on the basis of the feedback signals, and applies the currents to the driving coils. By detecting the velocity of the mirror during swinging with the detection coils, the structure of the actuator can be simplified. Further, the responsivity can be increased, and the tilt angle of the mirror can be detected with high accuracy.
摘要:
When currents are applied to driving coils, electromagnetic forces are generated between the currents and magnetic fluxes passing through gaps, a shaft member is swung in one direction, and a tilt angle of a mirror (controlled object) changes relative to a support center point. Electromotive forces generated in detection coils when the magnetic fluxes pass through the detection coils are given as feedback signals to a control unit. The control unit generates currents on the basis of the feedback signals, and applies the currents to the driving coils. By detecting the velocity of the mirror during swinging with the detection coils, the structure of the actuator can be simplified. Further, the responsivity can be increased, and the tilt angle of the mirror can be detected with high accuracy.
摘要:
An actuator in which, when a supporting shaft, where a mirror (control object) is provided, is tilted by receiving an electromagnetic force of a magnetic driving mechanism, small balls of a supporting mechanism move in an axial direction in a space provided between an outer base and an inner ring member. Therefore, the supporting shaft and the inner ring member holding the supporting shaft swing. At this time, since the inner ring member swings around a rotational fulcrum as center, the supporting shaft can swing around one rotational fulcrum as center at all times. A plurality of laid members serving as a rotation restricting member prevent rotation of the supporting shaft in a direction around the axis.
摘要:
The disclosure relates to an apparatus for communicating with an RFID tag: including a radio communication device; a tag number estimation portion configured to estimate the number of RFID tag circuit elements in a peripheral area of the apparatus; a storage device configured to store a list of identification information of each of a plurality of RFID tag circuit elements; and a mode switching portion configured to switch a mode into a plural tag detection mode in which identification information is sequentially specified in the list stored in the storage device before the RFID tag circuit element corresponding to the specified identification information is detected through the radio communication device, or a response determination mode in which identification information is obtained from each of all the RFID tag circuit elements in the peripheral area through the radio communication device.
摘要:
This disclosure discloses an apparatus for reading radio frequency identification (RFID) tag information configured to perform information transmission and reception with a plurality of RFID tag circuit elements having an IC circuit part storing information and a tag antenna connected to the IC circuit part, comprising: a first movement detecting portion configured to detect a moving state of the apparatus for reading RFID tag information; a transmitting portion configured to generate a reading command to acquire the information stored in the IC circuit part and to transmit the command to the RFID tag circuit element; and a first reading control portion configured to control the number of reading trial times per unit time using the reading command by the transmitting portion according to a detection result of the first movement detecting portion.
摘要:
Radio-frequency tag communication system and radio-frequency tag communication device, which permit highly efficient coordinated operations of the communication devices while preventing overlapping of communication. The communication system includes a positional-relationship determining portion configured to determine relative positions of the plurality of radio-frequency tag communication devices, and a transmission control portion configured to control transmission of the transmitted signal from each of the plurality of radio-frequency tag communication devices, according to a result of determination of the relative positions by the positional-relationship determining portion, so that a sufficiently long time is provided for the mutually adjacent communication devices to transmit the transmitted signals. Namely, the present invention provides a radio-frequency tag communication system wherein the radio-frequency tag communication devices are operable in a coordinated fashion with high efficiency, while preventing overlapping of communication.
摘要:
The disclosure discloses an apparatus comprising: an apparatus antenna; a signal transmitting portion configured to transmit a response request signal; an information obtainment portion configured to obtain tag identification information of the RFID tag circuit element; an identification information storage portion configured to store the tag identification information obtained; a calculation portion configured to calculate a duplicated obtainment ratio by the number of redundantly obtained pieces of information of a current obtainment result of the tag identification information to a past obtainment result of the tag identification information stored in the identification information storage portion and by the obtainment result; a comparison portion configured to compare the duplicated obtainment ratio with a threshold value; and a communication control portion configured to execute communication control of widening or narrowing a communication range in the case that the duplicated obtainment ratio is less than or exceeds the threshold value.
摘要:
This disclosure discloses apparatus for communicating with an RFID tag, comprising: a feeding device that feeds a tag tape including an RFID tag circuit element having an IC circuit part and a tag antenna, said RFID circuit element disposed on one side area along a width direction of said tag tape; an inkjet head disposed fixedly so that color printing is applied to said one side area; a thermal head disposed capable of printing on the other side area along the width direction other than said one side area; and an apparatus antenna that performs information transmission and reception via radio communication with said RFID tag circuit element, wherein printing by said inkjet head and said thermal head is performed so as to produce an RFID label.