Abstract:
The present invention relates to a pure tone audiometer, and more particularly, to a pure tone audiometer with automated masking which is capable of automatically performing air-conduction and bone-conduction hearing tests and automatically performing a masking test, if necessary, so that a person obtains an accurate pure tone hearing threshold without others' assistance. The pure tone audiometer of the present invention can accurately perform the pure tone hearing test with automated masking without assistance from a doctor or an audiologist. Thus, with the pure tone audiometer, people can easily check their hearing ability for prevention and early detection of hearing loss and take swift action to cure hearing loss.
Abstract:
A vehicle black box technique guarantees the integrity of vehicle data stored in a black box in real time by forming input data streams as block data and performing a signature using a signing key and nested hashing. Each vehicle black box includes a reliable unique signing key supporting a non-repudiation function. An error correction function is provided by a unique algorithm for generating integrity verification data even when an error occurs from the vehicle data.
Abstract:
An array substrate includes a display area including a plurality of pixels coupled to a plurality of gate lines and a plurality of data lines; a data driving unit, coupled to a fan-out unit and configured to drive the data lines; a first switching circuit between the display area and the data driving unit and configured to control the data lines to share electric charges in an image display mode; and a second switching circuit coupled to the fan-out unit via a fuse unit and configured to be disconnected from the fan-out unit in the image display mode.
Abstract:
A shift register including a plurality of stages, each of them including a first node, a second node, and a third node being in a high-impedance state when the first node is in a high-impedance state. The shift register includes an input circuit unit inputting a driving voltage to the first node in response to an output signal of a previous stage, a driving circuit unit generating an output signal according to a voltage of the first node, and a holding unit holding the output signal at a level of a gate-off voltage according to a voltage of the second node in an inactive period of a current stage, in which the holding unit comprises a first diode which applies a clock signal to the second node.
Abstract:
A display substrate includes an insulating substrate, a first gate line, a first lower electrode, a second lower electrode, a first upper electrode, and a second upper electrode. The insulating substrate includes a first pixel region and a second pixel region located at a first direction from the first pixel region. The first gate line extends in a second direction crossing the first direction on the insulating substrate. The first and the second lower electrodes are in the first and the second pixel regions, respectively. The first upper electrode overlaps the first lower electrode in the first pixel region and includes a first slit pattern extending in a third direction different from the first and the second directions. The second upper electrode overlaps the second lower electrode in the second pixel region and includes a second slit pattern extending in a fourth direction different from the first to third directions.
Abstract:
An active level shift (ALS) driver circuit and a liquid crystal display apparatus including the ALS driver circuit are disclosed. The ALS driver circuit includes an input unit configured to apply a first polarity voltage to a first node and to apply a second polarity voltage to a second node, a level compensation unit configured to adjust the voltages of the first node and the second node, and an output unit configured to alternately output a first power voltage and a second power voltage according to the adjusted voltages of the first and second nodes.
Abstract:
A refrigerator includes an ice dispenser with a duct cap for opening and closing an ice duct of the dispenser. A user operated lever is operably coupled to both the duct cap, and a joint member. A frictional member is disposed to come in frictional contact with the joint member as the duct cap moves between open and closed position. An elastic member elastically supports the joint member with respect to the lever. The closing operation of the duct cap is delayed by using a frictional force developed between the joint member and the frictional member.
Abstract:
An image forming apparatus is provided. The image forming apparatus includes a search unit which broadcasts a search message for searching for a connectable host device, a communication interface unit which receives a response message for notifying that a print job is executable from host devices in response to the search message, a user interface unit which displays host devices corresponding to the received response message and receives a selection from a user regarding a host device to be connected from among the displayed host devices, and a controller which controls the communication interface unit to transmit a connection message for requesting connection with the image forming apparatus to the selected host device.
Abstract:
A thin-film transistor (TFT) substrate has improved electrical properties and reduced appearance defects and a method of fabricating the TFT substrate, are provided. The TFT substrate includes: gate wiring which is formed on a surface of an insulating substrate; oxide active layer patterns which are formed on the gate wiring and include an oxide of a first material; buffer layer patterns which are disposed on the oxide active layer patterns to directly contact the oxide active layer patterns and include a second material; and data wiring which is formed on the buffer layer patterns to insulatedly cross the gate wiring, wherein a Gibbs free energy of the oxide of the first material is lower than a Gibbs free energy of an oxide of the second material.
Abstract:
The present invention relates to an apparatus and a method for inspecting quantum efficiency homogeneity of a solar cell using a spatial light modulating device. The apparatus includes a light emitting device configured to radiate predetermined light; a spatial light modulating device configured to change a light path of rays emitted from the light emitting device according to individual control of a plurality of pixels; a spatial light modulating device controller configured to individually control the states of the plurality of pixels; a solar cell which the rays passing through or reflected from the spatial light modulating device irradiate; and a calculation controller configured to calculate quantum efficiency of the solar cell based on a photocurrent signal generated from the solar cell.