Patents by Inventor Hyo Chong Yu

Hyo Chong Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5825583
    Abstract: A deck mechanism for a magnetic recording and reproducing apparatus, wherein its fixed base plate and its slide base are slidably coupled to each other without defining a space therebetween. Elements of a tape traveling system are arranged on upper and lower surfaces of the fixed base plate and the upper surface of the slide base. The upper surface of the fixed base plate is mounted with the head drum, a loading motor, a supply slant post assembly, a take-up slant post assembly, a stabilizer, pinch roller arm-driving and pressing mechanisms, a head cleaning mechanism, a capstan shaft of a capstan, all being upwardly protruded from the upper surface of the fixed base plate. The upper surface of the slide base is mounted with a supply reel table, a take-up reel table, a tension adjusting mechanism, and a brake, all being upwardly protruded from the upper surface of the slide base.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: October 20, 1998
    Assignee: Goldstar Co., Ltd.
    Inventors: Myung Goo Kang, Seong Sik Kang, Sung Hoon Choi, Mun Chea Joung, Byoung Gyu Jang, Kye Yeon Ryu, Hyo Chong Yu, Sang Jig Lee
  • Patent number: 5793562
    Abstract: A head drum protector for a magnetic recording and reproducing apparatus, such as a slide type camera recorder. The head drum protector is preferably integrated and comprises a head drum protecting wall for protecting a rotary head drum, an opening provided at the lower section of the head drum protecting wall to receive a head base of the rotary head drum and to bring the rotary head protector into engagement with the head base. A pair of support blades extend outwardly from opposite sides of the protecting wall to enlarge the head drum protecting area of the head drum protecting wall and to support an opened tape cassette door. A sensor holder is provided at the lower front of the protecting wall to hold a LED sensor used as a tape end sensor. At a lower section between the protecting wall and the support blade, a fixing part is provided in order to mount the head drum protector on the slide base of the deck mechanism.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: August 11, 1998
    Assignee: Goldstar Co., Ltd.
    Inventors: Myung Goo Kang, Seong Sik Kang, Sung Hoon Choi, Mun Chea Joung, Byoung Gyu Jang, Kye Yeon Ryu, Hyo Chong Yu, Sang Jig Lee
  • Patent number: 5669568
    Abstract: A brake device for magnetic recording and reproducing apparatus, such as a slide loading type camera recorder. The supply reel brake unit includes a supply reel brake having an operating pin, and a mode switch gear having an operating protrusion pushing the operating pin in a tape running mode, thereby releasing the tape supply reel table. In addition, the supply reel brake unit may comprise a drive cam gear, a supply reel brake cooperating with the drive cam gear to selectively brake the tape supply reel table.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: September 23, 1997
    Assignee: Goldstar Co., Ltd.
    Inventors: Myung Goo Kang, Seong Sik Kang, Sung Hoon Choi, Mun Chea Joung, Byoung Gyu Jang, Kye Yeon Ryu, Hyo Chong Yu, Sang Jig Lee