Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmission unit configured to emit a first signal, a first lens unit configured to convert the first signal into parallel light, a reflection unit configured to adjust a direction of the converted first signal and a second lens unit configured to enable the first signal to have the same focal plane even when a reflection angle of the reflection unit changes. The LIDAR device can also include a third lens unit configured to convert the first signal passing through the second lens unit into parallel light, a fourth lens unit configured to increase an angle of the first signal passing through the third lens unit and a reception unit configured to receive a second signal reflected by an object after passing through the fourth lens unit.

Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmitter configured to emit an optical signal, a first lens section configured to convert the optical signal into collimated light, a reflector configured to adjust a direction of the converted optical signal, a second lens section configured to allow the adjusted optical signal to have the same focal plane even though a reflection angle of the reflector is varied and a third lens section configured to convert the optical signal passed through the second lens section into collimated light. The LIDAR device can also include a fourth lens section configured to allow the optical signal, and a receiver configured to receive the optical signal passed through the fourth lens section. The third lens section and the fourth lens section are positioned on the same line in a first direction.

Abstract: A light detection and ranging (LIDAR) time of flight (TOF) sensor for inputting and outputting simultaneously and 3-dimensional laser scanning system including the same are disclosed. In one aspect, the sensor includes a substrate and a light receiving element array provided on the substrate and including a plurality of light receiving elements. The sensor also includes readout circuits configured to receive electrical signals from the light receiving elements and perform signal processing on the electrical signals. The sensor further includes metal lines disposed on the light receiving element array in parallel, provided to correspond to the number of the light receiving elements, and configured to connect the light receiving elements to the readout circuits in one-to-one correspondence.

Abstract: Provided is a 3-dimensional (3D) scanning technique using a laser. The technique includes a laser outputting device configured to emit omni-directionally a laser beam output from a laser beam source in 360 degrees and a laser receiving device formed above or below the laser outputting device and configured to receive a laser beam reflected by an object which is located on a propagation path of a laser beam output from the laser outputting device.

Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmitter configured to emit an optical signal, a first lens section configured to convert the optical signal into collimated light, a reflector configured to adjust a direction of the converted optical signal, a second lens section configured to allow the adjusted optical signal to have the same focal plane even though a reflection angle of the reflector is varied and a third lens section configured to convert the optical signal passed through the second lens section into collimated light. The LIDAR device can also include a fourth lens section configured to allow the optical signal, and a receiver configured to receive the optical signal passed through the fourth lens section. The third lens section and the fourth lens section are positioned on the same line in a first direction.

Abstract: Disclosed is a method of extracting text in a text layer, method of providing a translated webcomic, and computer device for performing the same. The present invention can determine whether a PSD file is a text layer by parsing a layer and mask information section, parsing additional layer information in the layer and mask information, reading a ‘Key’ having length of 4, and determining whether the ‘Key is composed of a ‘TySh’ tag. According to a method of extracting text in a text layer, method of providing a translated webcomic, and computer device for performing the same of the present invention, the text in the text layer of a webcomic can be entirely extracted without being truncated.

Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmission unit configured to emit a first signal, a first lens unit configured to convert the first signal into parallel light, a reflection unit configured to adjust a direction of the converted first signal and a second lens unit configured to enable the first signal to have the same focal plane even when a reflection angle of the reflection unit changes. The LIDAR device can also include a third lens unit configured to convert the first signal passing through the second lens unit into parallel light, a fourth lens unit configured to increase an angle of the first signal passing through the third lens unit and a reception unit configured to receive a second signal reflected by an object after passing through the fourth lens unit.

Abstract: A light detection and ranging (LIDAR) time of flight (TOF) sensor for inputting and outputting simultaneously and 3-dimensional laser scanning system including the same are disclosed. In one aspect, the sensor includes a substrate and a light receiving element array provided on the substrate and including a plurality of light receiving elements. The sensor also includes readout circuits configured to receive electrical signals from the light receiving elements and perform signal processing on the electrical signals. The sensor further includes metal lines disposed on the light receiving element array in parallel, provided to correspond to the number of the light receiving elements, and configured to connect the light receiving elements to the readout circuits in one-to-one correspondence.

Abstract: Provided is a 3-dimensional (3D) scanning technique using a laser. The technique includes a laser outputting device configured to emit omni-directionally a laser beam output from a laser beam source in 360 degrees and a laser receiving device formed above or below the laser outputting device and configured to receive a laser beam reflected by an object which is located on a propagation path of a laser beam output from the laser outputting device.

Abstract: A wireless multi charging method and system are disclosed. The wireless charging method selects a portion of mobile devices located in a charging region as a group, and provides energy for wireless charging to the selected group of mobile devices. Accordingly, group charging is possible, and thus it is also possible to selectively charge mobile devices which allow charging.

Abstract: Disclosed is a charging method of a multi-node wireless charging system using magnetic field communication capable of effectively charging a plurality of nodes using the magnetic field communication. The magnetic field communication protocol for wireless charging is prepared and thus, an appropriate wireless charging device may be selected and charged for an appropriate time. The wireless charging method of the present invention includes: transmitting an association request frame; receiving an association response frame from the wireless charging devices; transmitting a charging requirement request frame; receiving a charging requirement response frame from the wireless charging devices; transmitting a charging preparation request frame; and transmitting power during a receiving period of the charging preparation response frame for the charging preparation request frame.

Abstract: A wireless multi charging method and system are disclosed. The wireless charging method selects a portion of mobile devices located in a charging region as a group, and provides energy for wireless charging to the selected group of mobile devices. Accordingly, group charging is possible, and thus it is also possible to selectively charge mobile devices which allow charging.

Abstract: Disclosed is a charging method of a multi-node wireless charging system using magnetic field communication capable of effectively charging a plurality of nodes using the magnetic field communication. The magnetic field communication protocol for wireless charging is prepared and thus, an appropriate wireless charging device may be selected and charged for an appropriate time. The wireless charging method of the present invention includes: transmitting an association request frame; receiving an association response frame from the wireless charging devices; transmitting a charging requirement request frame; receiving a charging requirement response frame from the wireless charging devices; transmitting a charging preparation request frame; and transmitting power during a receiving period of the charging preparation response frame for the charging preparation request frame.

Abstract: A filter tuning circuit for a wireless communication system is provided. A filter tuning circuit includes a comparator and a counter which control a transconvertance value of a differential transconverter to tune a filter.

Abstract: An fusing apparatus for correcting process variation is provided. The fusing apparatus for correcting the process variation of the semiconductor device includes a fusing part including a fusing resistor fused by a current penetrating; a current driving transistor for fusing the fusing resistor by driving a fusing current according to a fusing enable signal applied; a current path part for building a current path by connecting to the fusing part, and controlling a first node voltage according to a fusing state of the fusing resistor; and a latch part for latching a second node signal inversely amplified from the first node voltage, and outputting the latch value when a power-on reset part operates in a normal mode. Using the fusing cell, the test time can be reduced and the current consumption can be greatly decreased in the fusing process.

Abstract: An fusing apparatus for correcting process variation is provided. The fusing apparatus for correcting the process variation of the semiconductor device includes a fusing part including a fusing resistor fused by a current penetrating; a current driving transistor for fusing the fusing resistor by driving a fusing current according to a fusing enable signal applied; a current path part for building a current path by connecting to the fusing part, and controlling a first node voltage according to a fusing state of the fusing resistor; and a latch part for latching a second node signal inversely amplified from the first node voltage, and outputting the latch value when a power-on reset part operates in a normal mode. Using the fusing cell, the test time can be reduced and the current consumption can be greatly decreased in the fusing process.

Abstract: A frequency divider for a wireless communication system is provided. A frequency divider includes a body bias voltage generator and a divider. The body bias voltage generator generates a body bias voltage including a PMOS body bias voltage and an NMOS body bias voltage whose voltage levels are controlled according to an input signal. The divider includes a plurality of flip-flops whose operation points are determined according to the body bias voltage, and generates an output signal by dividing a frequency of the input signal by N. Each of the flip-flops may include a PMOS logic and an NMOS logic. The PMOS logic may include a plurality of PMOS transistors whose operation points are determined according to the PMOS body bias voltage. The NMOS logic may be connected electrically to the PMOS logic and include a plurality of NMOS transistors whose operation points are determined according to the NMOS body bias voltage.

Abstract: A frequency divider for a wireless communication system is provided. A frequency divider includes a body bias voltage generator and a divider. The body bias voltage generator generates a body bias voltage including a PMOS body bias voltage and an NMOS body bias voltage whose voltage levels are controlled according to an input signal. The divider includes a plurality of flip-flops whose operation points are determined according to the body bias voltage, and generates an output signal by dividing a frequency of the input signal by N. Each of the flip-flops may include a PMOS logic and an NMOS logic. The PMOS logic may include a plurality of PMOS transistors whose operation points are determined according to the PMOS body bias voltage. The NMOS logic may be connected electrically to the PMOS logic and include a plurality of NMOS transistors whose operation points are determined according to the NMOS body bias voltage.

Abstract: A filter tuning circuit for a wireless communication system is provided. A filter tuning circuit includes a comparator and a counter which control a transconvertance value of a differential transconverter to tune a filter.

Abstract: There is provided a digital MAC apparatus for an IEEE 802.15.4 based communication system, which is implemented in hardware. The digital MAC apparatus having a processor of a Wireless Personal Area Network (WPAN) communication system and a data bus transferring data includes a frame generating unit generating and outputting a frame on the basis of input data; a frame parsing unit parsing an input frame input through the data bus, and generating and outputting a control signal or transmission and receipt data; and a controller operating at least one of the frame generating unit and the frame parsing unit according to the generated control signal, and communicating the output frame or data with the processor according to the operation.