Patents by Inventor Ooi Tsin Tsung

Ooi Tsin Tsung 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).

  • Clutch knob for a clutch mechanism for a radio receiver with tuning device
    Patent number: 6058296
    Abstract: A clutch knob that comprises a body portion and a cover portion. The clutch mechanism includes two integrally formed flexible and resilient sweeper arms attached to the base of the body portion; serrations with alternating smooth troughs and crests which are integrally formed on the inner circumference of the cover portion and the cover portion is fitted onto the body portion and so that the cover portion and the body portion are secured loosely with respect to one another. In addition, the body portion has two integrally formed flexible and resilient sweeper arms that are configured in the shape of pointed arches. The sweeper arms are integrally attached to the base and the circular platform. Further, the apex points of the arches are made smooth and made to point diametrically opposite one another. Moreover, the inner circumference of the serrations of cover portion are configured in the form of the alternating smoothened troughs and crest.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: May 2, 2000
    Assignees: Sony Corporation, Sony Electronics (M) SDN. BHD.
    Inventors: Ting Ing Lian, Ooi Tsin Tsung, Tazaki Noboru