Patents by Inventor Cheng-Shi Wang

Cheng-Shi Wang 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: 4509809
    Abstract: An improved signal lead-out apparatus comprises: a base body made in plate form having an oblong open groove formed in the internal side and an accommodating housing provided on the external side; a pinch-in device disposed in the open groove for the termination of the outgoing TV antenna wires; an elastic inserting device installed at one side of the accommodating housing for the termination of the incoming coaxial cable; a circuit device provided in the middle of the accommodating housing for the electrical connections made between the pinch-in device and the inserting device; and a covering plate coupled with the internal side of the base body and operated in cooperation with the pinch-in device for accomplishing the signal lead-out connections of the TV set therewith.
    Type: Grant
    Filed: March 23, 1983
    Date of Patent: April 9, 1985
    Inventor: Cheng-Shi Wang