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Chang Kun
Chang Kun Baek, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20080276739 | Power Transmission Apparatus - The present invention relates to a power transmission apparatus having a high efficiency, which can cany out the rolling friction by constructing a cross shaft gear comprising a plurality of teeth formed with teeth grooves inclined to a desired angle, and a roller type mediation member having a plurality of rotation teeth engaged with the teeth grooves of the gear to thereby prevent the loss of the power and ensure the reliability of the operation and make it easy to fabricate, so as to embody the chainless power transmission for a bicycle. The power transmission apparatus of the present invention comprises a first gear having a first rotation shaft, a disk body installed at the first rotation shaft, a plurality of teeth arranged at a periphery of the disk body in the radial direction, and a plurality of teeth grooves, each of which is formed between the teeth and is arranged to define an acute angle relative to a virtual plane formed by the disk body; a mediation member having two rotation bodies spaced apart from each other, and a plurality of rotation teeth rotatably secured between the two rotation bodies by means of shaft pins so as to be engaged with the teeth grooves of the first gear, and in which an axial line of the pair of rotation bodies is arranged to define an acute angle relative to an axial line of the rotation tooth; and wherein the first gear and the mediation member define a cross shaft gear. | 11-13-2008 |
Chang Kun Chang, Chayi County TW
| Patent application number | Description | Published |
|---|---|---|
| 20100126486 | COMPACT PAINTBALL MARKER TRIGGER MECHANISM - A compact paintball marker having a compact trigger assembly. The trigger assembly includes a trigger, a sear, a sear activator and a connecting cable. The sear is position distally relative to the trigger. This enables the sear to be positioned apart from the trigger. The trigger assembly also includes a sear activator, a sear activator spring and a sear biasing spring. The components of the trigger assembly can be compactly organized to enable the marker to have a smaller form factor. | 05-27-2010 |
Chang Kun Kim, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080312355 | Composition For Forming Prism Layer And Prism Film Manufactured Using The Same - A composition for forming a prism layer and a prism film manufactured using the same. The composition for forming a prism layer includes a UV-curable monomer A, including a fluorene derivative diacrylate monomer represented by Formula 1 or 2; a UV-curable monomer B, including at least one acrylate monomer; a photoinitiator; and an additive, and thus is excellent in surface strength, adhesion to a substrate film and anti-yellowing properties, with a viscosity suitable for formation of the prism layer. | 12-18-2008 |
Chang Kun Park, Ichon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100064163 | DOMAIN CROSSING CIRCUIT OF A SEMICONDUCTOR MEMORY APPARATUS - A domain crossing circuit of a semiconductor memory apparatus, the domain crossing circuit comprising first and second count signals generated at substantially a same clock period, and representing predetermined clock differences with reference to an internal clock signal with respect to same bit combination data, and a data processing unit configured to provide output data corresponding to input data based on the second count signal in response to the input data synchronized to an external clock signal. | 03-11-2010 |
| 20100117702 | DUTY CYCLE CORRECTION APPARATUS AND SEMICONDUCTOR INTEGRATED CIRCUIT HAVING THE SAME - A duty cycle correction apparatus includes a fixed delay unit configured to set a fixed delay time to a DLL clock signal and generate a delay rising clock signal; a variable delay unit configured to delay the DLL clock signal in response to a control signal and generate a delay falling clock signal; a duty cycle correction unit configured to generate a correction rising clock signal and a correction falling clock signal that are toggled in conformity with edge timing of the delay rising clock signal and the delay falling clock signal; and a delay control unit configured to detect duty cycles of the correction rising clock signal and the correction falling clock signal and generate the control signal. | 05-13-2010 |