▪ US Patent No. 9,060,405 (Korea Electrotechnology Research Institute)
발명의 명칭: Apparatus for controlling the operation of an LED, and method for controlling drive current thereof
대표도면:
대표독립항:
1. An apparatus for controlling the operation of LEDs using an AC power source, comprising:
a first LED array configured to have a first side connected to an output side of the AC power source;
a second LED array configured to have a first side connected to an input side of the AC power source;
a rectification unit configured to have an input side connected between the output side of the AC power source and the first side of the first LED array, between the input side of the AC power source and the first side of the second LED array, to a second side of the first LED array, and to a second side of the second LED array; and
an operation control unit configured to have an input side connected to an output side of the rectification unit and an output side connected to the input side of the rectification unit and to control a plurality of input currents output from the rectification unit and then received through the input side of the operation control unit so that the plurality of input currents is selectively output to the second side of the first LED array and the second side of the second LED array.
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▪ US Patent No. 9,075,239 (Kim, Woo Jun)
발명의 명칭: Optical system for forming optical path of oblique angle and method thereof
대표도면:
대표독립항:
1. An optical system capable of observing an object at different angles or positions without movement of an object and an observer, comprising:
a first sub-system forming a first light path from a first point to a second point; and
a second sub-system forming a second light path from the second point to a third point,
wherein the first sub-system is configurable such that the light from the first point traveling at a first polar angle with respect to a fixed axis, which is defined by a perpendicular line between the first point to the second point, is transmitted to the second point at a second polar angle,
wherein the second sub-system is configured to adjust a length of the second light path in response to a change in a length of the first light path in the first sub-system such that a combined length of the first light path and second light path remains constant,
wherein the first sub-system includes a first lens for forming collimated light rays from the light entering the first sub-system from the first point, the first lens being configurable in a tilted orientation with respect to the fixed axis so that the light from the first point passing through the first lens travels in the first polar angle with respect to the fixed axis,
wherein the optical system is configured as a microscope to observe the object in such a way that the light from the object sequentially passes through the first lens, the first sub-system, the second sub-system and a second lens, in which the first lens is an objective that is capable of being tilted within a predetermined range of polar angles relative to the fixed axis and rotatably positioned about the fixed axis in a predetermined azimuth angle.
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▪ US Patent No. 8,975,504 (Yoon, Dong Han)
발명의 명칭: Embedded optical element package module using a thermocouple
대표도면:
대표독립항:
1. An embedded optical element package module using a thermocouple comprising:
a metal circuit board provided with a plurality of hollow mounting spaces on a first side of the metal circuit board;
a plurality of optical elements each disposed in one of the plurality of mounting spaces of the metal circuit board;
one or more transparent molding part closing the plurality of mounting spaces;
a heat dissipation plate on a second side of the metal circuit board, the heat dissipation plate having a plurality of heat dissipation fins extending normal to the heat dissipating plate;
a thermocouple; and an external supply terminal electrically connected to the thermocouple and to the optical elements,
wherein the thermocouple includes a plurality of first metal bodies with a first thermal conductivity intersecting a plurality of second metal bodies with a second thermal conductivity arranged on two opposite surfaces of at least one of the plurality of heat dissipation fins.
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▪ US Trademark No. 4,755,793 (YOON, Hyun Sik)
상표명:
지정상품/지정서비스업:
(ICIC 025) G & S: Leather shoes; golf shoes; basketball sneakers; shoes; mountaineering boots; inner soles; Kendo outfits; cyclists' jerseys; wet suits for water-skiing; sports jerseys and breeches for sports; clothing for riding, namely, riding breeches, riding vests, and riding coats; baseball uniforms; soccer uniforms; Taekwondo outfits; masquerade costumes; leather clothing, namely, trousers, and jackets; golf wear, namely, golf trousers, golf skirts, golf jackets, golf shirts, golf vests, golf wind jacket, and golf hats; school uniforms; clothing for fishing, namely, fishermen's jackets, and fishing vests; clothing for hiking, namely, hiking trousers, hiking vests, and jackets; rain coats; long coats; short coats; long jackets; wind vests; shorts; safari shirts; ladies' pants; ladies' suits; snow suits; clothing for snowboarding, namely, snowboard pants, snowboard jackets, and snowboarding suits; clothing for skiing, namely, ski pants, and jackets; sports coats; sports jackets; men's suits; wind coats; uniforms; jumpers; jackets; jeans; blazers; gowns; girdles; nightgowns; long sleeved shirts; short-sleeved shirts; polo shirts; bathing suits for men; bathing costumes for women; bathing caps; swimsuits; bathing trunks; sweat suits; sweat shirts; sweat pants; sweat-absorbent underclothing; running shirts; running suits; marathon shirts; singlets; underpants; undershirts; underskirts; underwear; chemisettes; chemises; shirts for suits; sweaters; sport shirts; dress shirts; athletic uniforms; warm-up suits; t-shirts; men's socks; neckties; hats; waterproof jackets and pants; suspenders; belts