Abstract: An electronic device according to an embodiment may comprise: a housing including a first slit having a length corresponding to a first frequency and a second slit extending from one point of the first slit in a different direction from the first slit and having a length corresponding to a second frequency, and configured to resonate at the first frequency and the second frequency by the first slit and the second slit; a printed circuit board disposed in the housing and at least partially made of a non-conductive material in regions corresponding to the first slit and the second slit; and a power supply unit for supplying power through one point of the housing, adjacent to the first slit or the second slit. Various other embodiments recognized from the specification are also possible.

Abstract: A ramp signal generation device includes a sampling circuit suitable for sampling a ramp current, which flows on a plurality of ramp current paths, and storing a voltage corresponding to the sampled ramp current; a current maintaining circuit suitable for maintaining the ramp current; a current maintaining/transferring circuit suitable for maintaining and transferring a current corresponding to the voltage stored by the sampling circuit; a selection circuit suitable for selecting a ramp current path of the sampling block and the current maintaining/transferring circuit; and a current-to-voltage converter suitable for converting the current transferred from the current maintaining/transferring circuit and generating therefrom a ramp voltage.

Abstract: An image sensing device includes a coarse current generation circuit suitable for generating a coarse ramp current adjusted to a coarse level for a single ramp period, a fine current generation circuit suitable for generating a fine ramp current adjusted to a fine level for the single ramp period, and a current-to-voltage conversion circuit suitable for generating a ramp voltage corresponding to a resultant current of the coarse ramp current and the fine ramp current for the single ramp period.

Abstract: An amplification circuit includes a first amplification block suitable for primarily amplifying a voltage difference between a first voltage and a second voltage corresponding to a first input current and a second input current, respectively, and a second amplification block suitable for secondarily amplifying the voltage difference between the first and second voltages to generate an amplification signal.

Abstract: A ramp signal generation device includes a sampling circuit suitable for sampling a ramp current and storing a voltage corresponding to the sampled ramp current; a current maintaining circuit suitable for maintaining the ramp current; a current transferring circuit suitable for transferring a current corresponding to the voltage stored on the sampling circuit; and a current-to-voltage converter suitable for converting and generating a ramp voltage corresponding to the current transferred from the current transferring circuit.

Abstract: An amplification circuit includes a first amplification block suitable for primarily amplifying a voltage difference between a first voltage and a second voltage corresponding to a first input current and a second input current, respectively, and a second amplification block suitable for secondarily amplifying the voltage difference between the first and second voltages to generate an amplification signal.

Abstract: A reference voltage generator may include: a differential amplification circuit including a positive input terminal coupled to a supply voltage to receive a voltage from the supply voltage and a negative input terminal coupled to an output terminal of the differential amplification circuit, the differential amplification circuit structured to perform a reset operation based on the received voltage from the supply voltage during a reset period and amplify a difference between a first initial voltage applied to the positive input terminal and a second initial voltage applied to the negative input terminal during a reference voltage generation period; and first and second voltage storage circuits coupled to the positive input terminal and the negative input terminal, respectively, and structured to store the first initial voltage and the second initial voltage, respectively.

Abstract: A comparison device includes a comparison block suitable for comparing an upper ramp signal or a lower ramp signal with a pixel signal, and outputting a comparison signal; a CDS block provided between a first input terminal into which the pixel signal is inputted and a negative input terminal of the comparison block, and configured to perform correlated double sampling; a second switch provided between a second input terminal into which the lower ramp signal is inputted and a positive input terminal of the comparison block; a third switch provided between a third input terminal into which the upper ramp signal is inputted and the positive input terminal of the comparison block; and a feedback control unit suitable for checking a magnitude of the pixel signal according the comparison signal and outputting a second control signal or a third control signal for controlling the second or third switch.

Abstract: An amplifier includes a differential amplification block suitable for receiving and amplifying a first differential input signal and a second differential input signal; an output block suitable for determining an output signal according to a state of amplified signals outputted from the differential amplification block; and an output range restriction block suitable for controlling an output range of the output signal outputted from the output block based on a maximum clamping signal and a minimum clamping signal.

Abstract: A level shifter includes an input control unit suitable for outputting an output control signal according to a pulse width of a data signal and a pulse width of an input control signal; and an output control unit suitable for controlling an output driving signal according to the output control signal.

Abstract: A circuit for reading-out a voltage variation of a floating diffusion area includes a reference capacitor suitable for causing a voltage variation of the floating diffusion area based on a charge transfer signal; and a read-out block including the floating diffusion area, and suitable for initializing the floating diffusion area, performing a read-out on an initial voltage of the floating diffusion area and performing a read-out on a varied voltage of the floating diffusion area caused by the reference capacitor.

Abstract: A pixel signal readout device includes a unit pixel including a drive transistor and a reset transistor; and a column select transistor suitable for outputting a voltage applied to one terminal thereof, to a common terminal of the drive transistor and the reset transistor through the other terminal thereof, in response to a column select control signal applied to a gate terminal thereof.

Abstract: An apparatus for producing reducing water that maintains a neutral range of pH and exhibits superior reducing force. The apparatus for producing reducing water includes an electrolytic bath including a cathode chamber provided with a cathode, an anode chamber provided with an anode, and an intermediate chamber interposed between the cathode chamber and the anode chamber, wherein the cathode chamber and the intermediate chamber are provided with an inlet through which water is supplied, and an outlet through which water is discharged, a cation exchange membrane is provided between the cathode chamber and the intermediate chamber, and the intermediate chamber includes a cation exchange resin that dissociates hydrogen ions when the cation exchange resin reacts with water.

Abstract: A pixel signal transfer device includes a transfer block suitable for transferring a pixel output voltage according to an amount of a charge generated from a pixel; a correction block suitable for correcting the pixel output voltage using a threshold voltage of an amplification transistor; and a conversion gain adjusting block including the amplification transistor, the conversion gain adjusting block being suitable for adjusting a conversion gain of the corrected pixel output voltage outputted from the correction block.

Abstract: An analog-to-digital conversion method may include: generating an initial comparison signal by comparing a pixel signal of a comparison column to a pixel signal of an adjacent column; generating a control signal for selecting a ramp signal according to the generated initial comparison signal; and performing data conversion by comparing the ramp signal selected according to the generated control signal to a difference between adjacent first and second pixel signals.

Abstract: An analog-digital converting device includes a comparison block generating at least one first comparison signal by comparing pixel signals with each other, and for generating second comparison signals by comparing each of the plurality of pixel signals with a ramp signal through a single ramping operation; a feedback control unit determining a data conversion sequence according to the at least one first comparison signal received from the comparison block, and outputting a control signal according to the determined data conversion sequence; a selection block selecting two of the plurality of the pixel signals or at least one of the plurality of the pixel signals and the ramp signal to be applied to the comparison block according to the control signal received from the feedback control unit; and a data conversion unit performing a data conversion on the plurality of pixel signals based on the second comparison signal.

Abstract: A unit pixel apparatus includes a unit pixel suitable for supporting initialization an output node and outputting a pixel signal corresponding to incident light through the output node; and a switching block suitable for initializing the output node and deciding an initial voltage of the output node.

Abstract: An analog-to-digital conversion method may include: generating an initial comparison signal by storing adjacent pixel signals and comparing the adjacent pixel signals, and generating a first control signal based on the generated initial comparison signal; generating a reference comparison signal by comparing the adjacent pixel signals based on the reference signal and a ramp-up signal switched according to the generated first control signal, and determining a ramping direction according to the generated reference comparison signal and generating a second control signal; and performing data conversion by selecting any one of the ramp-up signal and a ramp-down signal according to the generated second control signal, and by comparing the selected ramp signal with a ‘difference value between the adjacent pixel signals’.

Abstract: An analog-to-digital conversion method may include: generating an initial comparison signal by storing adjacent pixel signals and comparing the adjacent pixel signals, and generating a first control signal based on the generated initial comparison signal; generating a reference comparison signal by comparing the adjacent pixel signals based on the reference signal and a ramp-up signal switched according to the generated first control signal, and determining a ramping direction according to the generated reference comparison signal and generating a second control signal; and performing data conversion by selecting any one of the ramp-up signal and a ramp-down signal according to the generated second control signal, and by comparing the selected ramp signal with a ‘difference value between the adjacent pixel signals’.

Abstract: An amplifier includes a differential amplification block suitable for receiving and amplifying a first differential input signal and a second differential input signal; an output block suitable for determining an output signal according to a state of amplified signals outputted from the differential amplification block; and an output range restriction block suitable for controlling an output range of the output signal outputted from the output block based on a maximum clamping signal and a minimum clamping signal.