Abstract: A head unit to be mounted in a liquid ejecting apparatus includes: a liquid ejecting section; a first flexible substrate that transmits the electrical signal to a joining terminal of the piezoelectric element; and a second flexible substrate that transmits the electrical signal to the first flexible substrate. The second flexible substrate includes: a first region having a stack of the cover member, the conductive member, and the base member; and a second region having a stack of the conductive member and the base member. The second flexible substrate has a surface on which a terminal is disposed within the second region, the terminal being joined to the first flexible substrate with solder.

Abstract: A frequency detection circuit includes: a first signal source for outputting a first clock signal; a second signal source for outputting a second clock signal having the same frequency as but a different phase from those of the first clock signal; a first sample hold circuit for undersampling a reception signal using the first clock signal; a second sample hold circuit for undersampling the reception signal using the second clock signal; and a frequency calculating circuit for calculating the frequency of the reception signal using a phase difference between output signals of the first sample hold circuit and the second sample hold circuit.

Abstract: The radar device is provided with a distance calculation unit that calculates a distance correspondence value corresponding to the distance to a target from a digital signal converted by a beat signal detection unit, and calculates the distance to the target from the distance correspondence value.

Abstract: A signal processing device includes: an amplitude reducing unit to reduce, when a phase shift control signal indicating a phase shift of a transmission wave whose frequency is modulated is output, among amplitudes of a beat signal having a difference frequency between the transmission wave and a reception wave, an amplitude of the beat signal at a timing at which a phase of the transmission wave is shifted in accordance with the phase shift control signal; and a signal converting unit to convert the beat signal whose amplitude at the timing at which the phase of the transmission wave is shifted is reduced by the amplitude reducing unit into a signal in a frequency domain.

Abstract: The phase-synchronizing circuit according to the present disclosure includes: a signal source to output a signal; a signal separator to output part of the signal from the signal source as a transmission signal and receive a reflected signal of the transmission signal; a first phase controller to change a phase of the transmission signal from the signal separator according to a control signal; a signal reflector to pass the transmission signal from the first phase controller as an output signal and output part of the output signal as the reflected signal; and a phase comparator to receive part of the signal from the signal source as a reference signal, compare a phase of the reference signal with a phase of the reflected signal from the signal reflector, and output the control signal corresponding to a phase difference between the reference signal and the reflected signal to the first phase controller.

Abstract: Conventional frequency detection circuits have a disadvantage that the circuit scale increases as the frequency of a reception signal to be detected increases. A frequency detection circuit includes: a first signal source for outputting a first clock signal; a second signal source for outputting a second clock signal having the same frequency as but a different phase from those of the first clock signal; a first sample hold circuit for undersampling a reception signal using the first clock signal; a second sample hold circuit for undersampling the reception signal using the second clock signal; and a frequency calculating circuit for calculating the frequency of the reception signal using a phase difference between output signals of the first sample hold circuit and the second sample hold circuit.

Abstract: A determination unit determines whether data to be inputted to each of first and second calculation units has a value greater than a specific positive value or a value less than a specific negative value. In such a case, the first calculation unit performs a calculation. The first calculation unit includes a data shifter bit-shifting input data by a set bit shift amount toward less significant bits, and reduces the bit width by the set bit shift amount, a multiplier multiplying together the data-shifted data, a cumulative addition unit cumulatively adding up results of the multiplication, and an inverse data shifter bit-shifting output data from the cumulative addition unit toward more significant bits by the set bit shift amount toward less significant bit positions, and increasing the bit width by the set bit shift amount.

Abstract: A base station device that forms a plurality of beams TB necessary for covering the entire service area and transmits a communication signal in a time-division manner with each of the plurality of beams TB, and a terminal device that receives the beams TB emitted from the base station device are included. Communication from the base station device to the terminal device is performed with a beam-forming technique. The terminal device compares the received power value of the communication signal in each of the plurality of beams TB received from the base station device with the terminal allowable power value of the terminal device, and, on the basis of the comparison result, transmits a specific signal for selecting a beam TB from the plurality of beams TB to the base station device.

Abstract: The radar device is provided with a distance calculation unit that calculates a distance correspondence value corresponding to the distance to a target from a digital signal converted by a beat signal detection unit, and calculates the distance to the target from the distance correspondence value.

Abstract: A local oscillation device according to the present invention includes: a first local oscillator to output a first local oscillation wave synchronized with a reference signal, the first local oscillator being turned on/off on the basis of a control signal; a second local oscillator to output a second local oscillation wave synchronized with the reference signal and the same in frequency and phase as the first local oscillation wave, the second local oscillator being turned on/off on the basis of the control signal; and a path switching circuit coupled to the first local oscillator and the second local oscillator, the path switching circuit switching paths of the first local oscillation wave and the second local oscillation wave on the basis of the control signal or a signal synchronized with the control signal.

Abstract: As a layout requirement imposed on an in-phase corporate-feed circuit, there is provided only a layout requirement to equalize the electric length of a transmission line (4) between one of N T-branch units (6) which is m-th when counted from a start point of a path A, and another one of the T-branch units (6) which is (m+1)-th when counted from the start point of the path A, to that of a transmission line (8) between one of N T-branch units (10) which is m-th when counted from an end point of a path B, and another one of the T-branch units (10) which is (m+1)-th when counted from the end point of the path B. Therefore, the in-phase corporate-feed circuit can be formed in a space smaller than that in which its circuit configuration of tournament type is formed, and downsizing of the circuit size can be achieved.

Abstract: Conventional signal sources each have a disadvantage that the noise in a control voltage of a VCO increases, thereby deteriorating the phase noise of an output signal of the signal source.

Abstract: An easier and more precise way of correcting an archwire in orthodontics. Resolution Means: A method of assisting orthodontics according to an embodiment including: a first acquisition step of acquiring target data showing a target dentition with a plurality of brackets installed; a second acquisition step of acquiring measurement data obtained by scanning an actual dentition of a patient with the plurality of brackets installed; a comparison step of obtaining a difference between the target data and the measurement data by comparing the target data and the measurement data; and a generation step of correcting a shape of an archwire attached to the plurality of brackets based on the difference, and generating wire data showing a corrected shape.

Abstract: Included are a first signal exchanger for exchanging a TXI signal and a TXQ signal output from a transmission baseband unit to signal paths and a TX control unit for controlling generation of the TXI signal and the TXQ signal in the transmission baseband unit on the basis of a measurement result of a reception baseband unit before and after exchange of the signals by the first signal exchanger. As a result, a transceiver only needs to have a single local signal generating unit mounted thereon as a local signal generating unit that is an analog circuit.

Abstract: A signal source (44) supplies local signals having different phases to a first mixer (42) and a second mixer (43). The first mixer (42) and the second mixer (43) perform frequency conversion on reception signals using the local signals. A first phase changing unit (51) and a second phase changing unit (52) receive output signals of the first mixer (42) and the second mixer (43) as input signals and generate in-phase and reversed phase signals of these signals. A first adder (53) adds output signals of the first phase changing unit (51) to separate multiple signals. A second adder (54) adds output signals of the second phase changing unit (52) to separate multiple signals.

Abstract: Included are a first signal exchanger (13) for exchanging a TXI signal and a TXQ signal output from a transmission baseband unit (2) to signal paths (21) and (22), and a TX control unit (50) for controlling generation of the TXI signal and the TXQ signal in the transmission baseband unit (2) on the basis of a measurement result of a reception baseband unit (5) before and after exchange of the signals by the first signal exchanger (13). As a result, a transceiver only needs to have a single local signal generating unit (1) mounted thereon as a local signal generating unit that is an analog circuit.

Abstract: A local oscillation device according to the present invention includes: a first local oscillator to output a first local oscillation wave synchronized with a reference signal, the first local oscillator being turned on/off on the basis of a control signal; a second local oscillator to output a second local oscillation wave synchronized with the reference signal and the same in frequency and phase as the first local oscillation wave, the second local oscillator being turned on/off on the basis of the control signal; and a path switching circuit coupled to the first local oscillator and the second local oscillator, the path switching circuit switching paths of the first local oscillation wave and the second local oscillation wave on the basis of the control signal or a signal synchronized with the control signal.

Abstract: A problem with conventional distortion pulse shift circuits is that the output timing of a pulse signal cannot be controlled unless a reset signal is used.

Abstract: A problem with conventional distortion pulse shift circuits is that the output timing of a pulse signal cannot be controlled unless a reset signal is used.

Abstract: As a layout requirement imposed on an in-phase corporate-feed circuit, there is provided only a layout requirement to equalize the electric length of a transmission line (4) between one of N T-branch units (6) which is m-th when counted from a start point of a path A, and another one of the T-branch units (6) which is (m+1)-th when counted from the start point of the path A, to that of a transmission line (8) between one of N T-branch units (10) which is m-th when counted from an end point of a path B, and another one of the T-branch units (10) which is (m+1)-th when counted from the end point of the path B. Therefore, the in-phase corporate-feed circuit can be formed in a space smaller than that in which its circuit configuration of tournament type is formed, and downsizing of the circuit size can be achieved.