Patents by Inventor Chin-Hung Cheng

Chin-Hung Cheng 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).

  • Publication number: 20050189911
    Abstract: A combination of dual mobile phone chargers has a housing and a plug removably received in the housing. The housing has a space defined in the housing to snugly yet securely receive therein the plug, a positioning cutout defined in a distal end of the housing and having first contacting plates formed on a bottom face defining the positioning cutout, a printed circuit board securely received in a bottom face defining the space and second contacting plates extending out of a side wall of the housing and engaging with the printed circuit board for connection with a wall outlet. The plug has a contacting point on a first distal end of the plug for connection with a power source, a locating cutout oppositely defined relative to the contacting point and third contacting plates formed on a bottom face defining the locating cutout.
    Type: Application
    Filed: February 27, 2004
    Publication date: September 1, 2005
    Inventor: Chin-Hung Cheng
  • Patent number: 6923686
    Abstract: A mobile phone charger includes a connector having a connection tip formed on a first distal end of the connector and adapted for electrical connection with an onboard cigarette lighter socket and multiple adjusting holes defined in a second distal end opposite to the first distal end of the connector, a body pivotally connected to the second distal end of the connector a power wire electrically connected to the connector and extending out of the body for connection with the mobile phone. The body having a boss selectively extending out of the body to be received in a corresponding one of the adjusting holes to secure engagement between the connector and the body.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: August 2, 2005
    Assignee: Lucent Trans Electronic Co. Ltd.
    Inventor: Chin-Hung Cheng
  • Patent number: 6507729
    Abstract: A luminescent external dialer for mobile phone primary includes a main unit and an external dialer. The main unit is connected to a mobile phone and having a voice-control circuit of hand-free set and a mobile phone charger circuit while the voice-control circuit of hand-free set is connected with a microphone as well as a speaker. The external dialer consists of a microprocessor, a liquid crystal display (LCD), a brightness controller, a keyboard, a luminescent panel circuit, a photosensitive circuit, and a memory. The external dialer is attached to the main unit and the main unit is connected with the mobile phone. The external dialer is installed at easy-to-reach location for the convenience of its users. Other features beneficial to users include the larger keyboard for a better command of the mobile phone and a luminescent panel circuit for increasing the brightness when the light in the environment is insufficient.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: January 14, 2003
    Assignee: Lucent Trans Electronic Company, Ltd.
    Inventor: Chin-Hung Cheng
  • Publication number: 20020117996
    Abstract: A battery charger for cellular phone comprises a holder with a cellular phone port, a contact terminal on the cellular phone port and a circuit board with charging circuitry tied to the connector. The battery of cellular phone can be charged while cellular phone is in the cellular phone port. One bendable stretching arm is respectively mounted on both upper side of the holder, users can adjust the bendable stretching arms to fit different kinds of cellular phones based on different sizes. One LED indicator at the end of each bendable stretching arm is used as an indication for end of battery charging and incoming calls. A power cord can be arranged around the winding reel for smaller size, thereby making the whole charger easier to for storage and carrying.
    Type: Application
    Filed: February 27, 2001
    Publication date: August 29, 2002
    Inventor: Chin-Hung Cheng