1

2

3
David Sherrer
David W Sherrer: V-groove chip with wick-stop trench for improved fiber positioning. ACT MicroDevices, Dan Steinberg, April 10, 2001: US06215946 (8 worldwide citation)

A V-groove chip for fiber arrays having a wick stop trench. The wick stop trench intersects the V-grooves and is deeper than the V-grooves. The wick stop trench prevents adhesive from moving via capillary action along the entire length of a V-groove. This is very useful for manufacturing V-groove fi ...


4

5
Kim Nak Hyeon: Multipurpose buzzer. Sambu Communics Kr, April 30, 2001: KR1019990018844

PURPOSE: A multipurpose buzzer is provided to support a yoke by two coupled springs, to make the yoke fully vibrate in a weak driving power, so as to increase efficiency as well as reduce power consumption. CONSTITUTION: On a base(10), many piercing balls are perforated. The base(10) is fixed on a f ...


6
Kim Nak Hyeon: Multipurpose buzzer. Sambu Communics Kr, April 30, 2001: KR1019990018845

PURPOSE: A multipurpose buzzer is provided to maximize angles of a magnetic force line, which is formed between a yokes pole and a magnet, and a current direction of a coil, so as to magnify a repulsive force formed between a vibration plate having the coil and the yoke having the magnet. CONSTITUTI ...


7
Kim Jae Ryong: Multilayered constitution for absorbing and excluding sound. Yong San, April 30, 2001: KR1019990013301

PURPOSE: Provided is a multilayered constitution for absorbing and excluding sound, which reduces a noise inside of a vehicle in case of being applied as an upholstery of a vehicle by supplementing with a sound excluding plate. CONSTITUTION: Soft non-woven fabrics with a low density, a hard non-wove ...


8
Kim Nak Hyeon: Multipurpose buzzer. Sambu Communics Kr, April 30, 2001: KR1019990012258

PURPOSE: A multipurpose buzzer is provided to additionally install the second magnet on the center of a yoke to insert the second magnet to an inner space between the first magnet and a yoke pad, to increase the number of magnetic force lines of the first and the second magnets for a coil, so as to ...


9
Jeung Do Yun: Apparatus for bending round bar of screw thread rolling equipment. Jeung Do Yun, April 30, 2001: KR1019980063934

PURPOSE: A round bar bending apparatus is provided to continuously bend a round bar in a rolling equipment in which n apparatus for bending a round bar of a screw thread rolling equipment in which screw threads are automatically rolled on both end parts of the round bar. CONSTITUTION: The apparatus ...


10
Lee Sang Jo: Skate board. Lee Sang Jo, April 30, 2001: KR1019980041486

PURPOSE: A skate board is provided to allow a user to use the skate board everywhere including a road, a snowy road, or an icy place by simply changing a blade thereof. CONSTITUTION: The skate board basically consists of a body(1) of plate shape, auxiliary plates(5,6a,6b) fixed along a center line a ...



Click the thumbnails below to visualize the patent trend.