Patents by Inventor George G. Schwenk

George G. Schwenk 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: 4007443
    Abstract: An interactive terminal which is capable of complete hand-held operation with total freedom of position and location is provided. The terminal incorporates a self contained full 128-character keyboard, a 20-character alphanumeric readout, and a 1000-character memory. The terminal allows the generation of all 128 ASCII characters plus "break." In order to assure review of any message, a conveniently positioned scroll switch is incorporated to advance or roll back any messsage in the memory for presentation on the display.When previous messages are displayed and incoming information is being received by the terminal, the light intensity of the displayed messages modulates to indicate to the operator that information is being received but not displayed. The unique, totally portable, hand-held interactive terminal is provided with a 20 key keyboard which is operated with one hand, while the other hand selects one of four different information levels for each key.
    Type: Grant
    Filed: May 6, 1974
    Date of Patent: February 8, 1977
    Assignee: Termiflex Corporation
    Inventors: Michael Arnold Bromberg, William E. Fletcher, Richard E. Morley, George G. Schwenk
  • Patent number: 4005388
    Abstract: An interactive computer terminal which is capable of complete hand-held operation with total freedom of position and location is provided. The terminal incorporates a self-contained full 75-character keyboard, a 20-character alpha numeric readout, and a 100-character memory. In order to assure review of any message, a conveniently positioned scroll switch is incorporated to advance or roll back any message in the memory for presentation on the display. The unique, totally portable hand-held interactive terminal is provided with a 20-key pad which is operated with one hand, while the other hand selects one of four different information levels for each key. Consequently, each of the 20 keys is capable of transmitting four different characters or other information, thereby assuring easy, compact transmission of all numeric, alphabetic, and punctuation characters with sufficient keyboard room available for command capability.
    Type: Grant
    Filed: July 31, 1975
    Date of Patent: January 25, 1977
    Assignee: Termiflex Corporation
    Inventors: Richard E. Morley, George G. Schwenk