Abstract: A LiDAR apparatus may include a first light source configured to output light for detecting a distance up to a target, a second light source configured to output light for detecting the speed of the target, a third light source configured to output light for detecting the directivity of the target moving, a light combination unit configured to combine the pieces of light radiated by the first to third light sources, an optical system configured to adjust the path or state of light to be output to the outside or reflected light reflected by the target, an interferometer configured to receive the combined light and the reflected light and to make the combined light and the reflected light interfere with each other, and a detection unit configured to detect information on the distance and speed of the target by receiving the light subjected to the interference.

Abstract: Disclosed is a multi-channel coherent LiDAR apparatus. The LiDAR apparatus includes a plurality of analog-to-digital converts (ADCs) each configured to receive reflected light reflected by a target and to convert the reflected light into a digital signal, one or more modulation units configured to receive the digital signals that have passed through some or all of the ADCs and channel signals having different frequencies or types and to modulate the digital signals, an adder configured to integrate the signals that have been modulated and received from the modulation units, a fast Fourier transform (FFT) unit configured to convert one signal integrated by the adder into a signal in a frequency domain, and a detection unit configured to detect the information on the distance of the target based on the signal converted into the signal in the frequency domain through the FFT unit.

Abstract: Disclosed is a Doppler LiDAR apparatus using a plurality of wavelength lasers. The Doppler LiDAR apparatus may include a plurality of light sources each configured to output light for detecting the speed of a target and the directivity of a moving target, an optical system configured to adjust the path or state of light to be output to the outside or reflected light that is reflected by the target, an interferometer configured to make the light that is output by any one of the plurality of light sources and the reflected light that has passed through the optical system interfere with each other, and a detection unit configured to detect information on the distance and speed of the target by receiving the light that has been subjected to interference in the interferometer.

Abstract: A laser generation apparatus includes a light source making oscillate a laser having a frequency based on the amount of current applied thereto, a splitter ramifying a laser incident thereon at a preset ratio, an interference system receiving the ramified laser, generating an interference signal by ramifying a laser incident thereon, and measuring the phase of a laser oscillated, a temperature adjustment unit uniformly maintaining a temperature of a part of the interference system, an error integrator receiving a signal that has undergone the interference system and accumulating a phase error occurred, a phase error detection unit detecting a phase difference between the signal of the error integrator and an offset current value, a driving driver applying a current to the light source, and a control unit controlling an operation of each component and controlling the driving driver based on results of the detection of the phase error detection unit.

Abstract: The invention features bone screws having a threaded screw body and a screw head attached to one end of the screw body, the bone screw further including: a) an interior channel extending longitudinally through the screw head and through at least a portion of the screw body, wherein the interior channel has a width of less than 5.0 millimeters; and b) a plurality of radially-disposed delivery channels connecting the interior channel to the exterior of the screw body, each delivery channel having exterior openings. The invention further features devices that include a bone screw and a delivery manifold detachably attached to the screw head of the bone screw. In addition, the invention features methods of treating a patient having a bone defect by using a bone screw described herein.

Abstract: The invention features bone drill guides, sleeves, and methods of use thereof in inserting hardware into bones, in particular to repair bone defects. The bone drill guides are designed to seat firmly against bone while allowing translational, rotational, and angular movement during an operation. The bone drill guides also allow for insertion of multiple devices, such as guide wires, into bone at defined and constrained relative position.

Abstract: The invention features improved bone screws, a delivery manifold for delivering a flowable medium to a bone screw, and washers for use with the bone screw to provide compressive fixation. The invention also features methods of treatment using the bone screws, washers, and/or delivery manifold, and kits that include the same.

Abstract: The invention features bone drill guides, sleeves, and methods of use thereof in inserting hardware into bones, in particular to repair bone defects. The bone drill guides are designed to seat firmly against bone while allowing translational, rotational, and angular movement during an operation. The bone drill guides also allow for insertion of multiple devices, such as guide wires, into bone at defined and constrained relative position.

Abstract: The invention features improved bone screws, a delivery manifold for delivering a flowable medium to a bone screw, and washers for use with the bone screw to provide compressive fixation. The invention also features methods of treatment using the bone screws, washers, and/or delivery manifold, and kits that include the same.

Abstract: The invention features a kit comprising components for a device for positioning and supporting a limb (e.g., an arm or leg) of a patient. The invention also features methods of assembling and adjusting a limb positioning device.

Abstract: The invention features bone screws having a threaded screw body and a screw head attached to one end of the screw body, the bone screw further including: a) an interior channel extending longitudinally through the screw head and through at least a portion of the screw body, wherein the interior channel has a width of less than 5.0 millimeters; and b) a plurality of radially-disposed delivery channels connecting the interior channel to the exterior of the screw body, each delivery channel having exterior openings. The invention further features devices that include a bone screw and a delivery manifold detachably attached to the screw head of the bone screw. In addition, the invention features methods of treating a patient having a bone defect by using a bone screw described herein.

Abstract: The invention features bone screws having a threaded screw body and a screw head attached to one end of the screw body, the bone screw further including: a) an interior channel extending longitudinally through the screw head and through at least a portion of the screw body, wherein the interior channel has a width of less than 5.0 millimeters; and b) a plurality of radially-disposed delivery channels connecting the interior channel to the exterior of the screw body, each delivery channel having exterior openings. The invention further features devices that include a bone screw and a delivery manifold detachably attached to the screw head of the bone screw. In addition, the invention features methods of treating a patient having a bone defect by using a bone screw described herein.

Abstract: The invention features devices for positioning and supporting the limb (e.g., an arm or leg) of a patient. The devices provide adjustable support for, e.g., the upper and lower leg. In addition, the device provides unfettered access to the patient's extremities and joints (e.g., the knee and portions of the leg above and below the knee). The invention further features methods of using the devices during diagnostic review, surgery, and rehabilitation. In addition, the invention features methods of treating a patient having a bone or tissue defect by using a device described herein.

Abstract: The invention features bone screws having a threaded screw body and a screw head attached to one end of the screw body, the bone screw further including: a) an interior channel extending longitudinally through the screw head and through at least a portion of the screw body, wherein the interior channel has a width of less than 5.0 millimeters; and b) a plurality of radially-disposed delivery channels connecting the interior channel to the exterior of the screw body, each delivery channel having exterior openings. The invention further features devices that include a bone screw and a delivery manifold detachably attached to the screw head of the bone screw. In addition, the invention features methods of treating a patient having a bone defect by using a bone screw described herein.

Abstract: The invention features bone screws having a threaded screw body and a screw head attached to one end of the screw body, the bone screw further including: a) an interior channel extending longitudinally through the screw head and through at least a portion of the screw body, wherein the interior channel has a width of less than 5.0 millimeters; and b) a plurality of radially-disposed delivery channels connecting the interior channel to the exterior of the screw body, each delivery channel having exterior openings. The invention further features devices that include a bone screw and a delivery manifold detachably attached to the screw head of the bone screw. In addition, the invention features methods of treating a patient having a bone defect by using a bone screw described herein.

Abstract: The invention features devices for positioning and supporting the limb (e.g., an arm or leg) of a patient. The devices provide adjustable support for, e.g., the upper and lower leg. In addition, the device provides unfettered access to the patient's extremities and joints (e.g., the knee and portions of the leg above and below the knee). The invention further features methods of using the devices during diagnostic review, surgery, and rehabilitation. In addition, the invention features methods of treating a patient having a bone or tissue defect by using a device described herein.

Abstract: The present invention is a method for detecting photo signals using an imaging device, comprising steps of photo-generating holes in a well region 15 of a photo-diode by a signal light, transferring the photo-generated holes through a bulk of the well region 15 to a heavily doped buried layer 25 which is formed in the well region 15 near a source region 16 by doping that region with impurity heavier than the well region (15) of an insulated gate FET, storing the photo-generated holes in the heavily doped buried layer 25 to thereby change the threshold of the FET corresponding to the amount of the photo-generated charge, and reading the change in the threshold as the amount of signal light received by the photo-sensor.

Abstract: The present invention is a method for detecting photo signals using an imaging device, comprising steps of photo-generating holes in a well region 15 of a photo-diode by a signal light, transferring the photo-generated holes through a bulk of the well region 15 to a heavily doped buried layer 25 which is formed in the well region 15 near a source region 16 by doping that region with impurity heavier than the well region (15) of an insulated gate FET, storing the photo-generated holes in the heavily doped buried layer 25 to thereby change the threshold of the FET corresponding to the amount of the photo-generated charge, and reading the change in the threshold as the amount of signal light received by the photo-sensor.

Abstract: A beach towel constructed with a polygonal center panel from which extend separate trapezoidal panels creates a towel with a substantially polygonal perimeter. The panels are sewn together to provide a strong reinforced structure, and a drawstring around the perimeter permits conversion of the towel into a bag-like structure.

Abstract: In a color identification system in which a video signal is rendered into three mutually distinct color element signals, a set of defined colors is established. The disclosed invention defines each color in the set by three compound color components, each compound color component being defined by pairwise combination of color element magnitude ranges. As the color element signals change at the pixel rate of the video signal, the invention combines them into three compound signals, each compound signal resulting from combination of a respective two of the color signals. Each of these pairwise combinations is compared with compound color component sets to determine whether the current pixel embodies a color in the set of defined colors.