A support of a camera for broadcasting is provided to facilitate right/left horizontal correction and previous/next horizontal correction, and match optical axes of two cameras when the two cameras photograph different surfaces of the same subject at a proper interval, thereby obtaining a good quality picture like that one camera photographs the different surfaces. An inner side of a base(100) is ...

PURPOSE: A process for preparing optically active 5-hydroxy-3-oxoheptanoate derivatives with optical activity is provided to be useful in the manufacture of a statin compound and to ensure mass production and high yield. CONSTITUTION: A process for preparing optically active 5-hydroxy-3-oxoheptanoate derivatives with optical activity comprises the steps of: ring-opening a compound of the chemical ...

PURPOSE: A monitor up and down device for electric computer is provided to ascend and descend a monitor about a table, thereby maximizing utilizing the space of a desk. CONSTITUTION: If a monitor is ascended and descended, a ball screw(50) is rotated in a reverse direction. To rotate the ball screw, a drive motor(60) generates a power. A bearing holder(100) stores a plurality of bearings for suppo...

PURPOSE: A data interlocking system between a standardized emergency rescuing system and a fire detection unit and a method of the same are provided to cost-effectively build an automatic reporting system using existing public telephone networks. CONSTITUTION: A fire signal receiver receives a fire signal from a fire detection unit(200). A control unit(103) receives the fire signal from the fire s...

PURPOSE: A probe needle structure of probe card and a manufacturing method thereof are provided to minimize a failure rate in finezation by high integration of a semiconductor chip by maintaining elasticity and reaction force of beams of which the size becomes small. CONSTITUTION: In a base part(10), conductive metal is projected with a height in a substrate member(100). One end of a base beam mem...

PURPOSE: An arm assembly for an exploration robot is provided to control the height and angle of a second link arm using low-torque. CONSTITUTION: An arm assembly(100) for an exploration robot comprises a driving body(10), a rotation disk(12), a fixed case(20), a fixing shaft, a rotating case(30), a rotating arm(40), a second link arm(50), and a second link arm(60). The driving body has wheels. Th...

PURPOSE: An automatic portable bill validator is provided to reduce the total size of the bill validator by using a reduction gear instead of a belt and a pulley. CONSTITUTION: A bill sensor(11b) is used for detecting and inserting a setting state of a bill. A detection unit senses print information of the bill and outputs a sensing signal to a controller. The controller is used for operating a tr...

The present invention relates to a bar type LED lighting apparatus, which includes first and second protrusions inclined in different directions and LED modules are attached to the first and second protrusions to irradiate in different directions. Further, the angles of the first and second protrusions can be freely adjusted. Accordingly, it is possible to easily achieve various shapes of light di...

A composite filter and a simple water supply system having the same are provided to minimize space of a water tank required for each filter step and to maximize function of the filter. A simple water supply system having a composite filter comprises a raw water feeding pump(112), a first water storage tank(110), the composite filter(10), a second water storage tank(120), a membrane filter(20), a p...

An electronic device having a current switch type driver is provided. The current switch type driver includes a differential circuit that supplies a current to a transmission channel according to a signal. In the electronic device, a signal wire that transmits the signal to the differential circuit has a transmission channel structure.

The invention provides a carbon zinc battery comprising a printed cathode current collector at least a portion of which is printed onto a flexible nonconductive substrate.

An amplifier and a display driving circuit. The amplifier includes an input stage, a bias stage and an output stage. The input stage determines voltage levels of two nodes in correspondence to two input voltages received in response to a first bias voltage, and includes four path selecting switches, two input transistors and one bias transistor. The bias stage generates two class AB output voltage...

PURPOSE: A condenser assembling apparatus is provided to minimize the transfer distance of device and improve the efficiency of work. CONSTITUTION: In order to transfer the device welded in the welding unit to rotation, the rotation feed part is composed of a plurality of chucks. And it revolves at 360 degree. The predetermined position control cylinder adjusts the predetermined position of device...

PURPOSE: A maintenance link using active/standby request channels is provided to use more channels and resources to support data transmission between a base station and a field unit. CONSTITUTION: A wireless communication method comprises the following steps. The first and second coding channels are assigned in a common direction for supporting communication synchronized from a transmitter. A time...

Multiple field units in a CDMA system are synchronized for communication with a base station using shared forward and reverse link channels. In an illustrative embodiment, each field unit is assigned a time slot in a forward link channel to receive messages from the base station. Likewise, each field unit is assigned a time slot on a common reverse link channel for transmitting messages to the bas...

PURPOSE: A printer for a plane is provided to remarkably improve workability and productivity by printing an object regardless of the height of the object. CONSTITUTION: A printer for a plane comprises a body(103) and a plane printing part. The body is composed of vertical frames(102) and a horizontal frame(102a). The plane printing part has guide screws(21), a support plate(22), a first feed moto...

A washing ball is provided to bit clothing for removing stains from the clothing and prevent tangling of the clothing in a washing machine by forming a plurality of protrusions in the waveform protruded from an outer peripheral surface of the washing ball. A washing ball(1) includes hemispherical upper and lower bodies(10,20) coupled with each other, a plurality of ceramic balls filled in the coup...