Patents Assigned to Edward D. Lin
  • Multi-status multi-function data processing key and key array
    Patent number: 5528235
    Abstract: Multi-status data entry key and keyboard capable of a one-to-one correspondence between each key status and a pre-assigned signal or state, with the neutral position or status being one of the states. Each non-neutral key status is associated with a unique pre-determined signal and corresponds uniquely to a specific symbol function or operation. The implementation of this keypad in telephones, computers, cash registers and other devices is shown. Its implementation in telephones is extensively covered.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: June 18, 1996
    Assignee: Edward D. Lin
    Inventors: Edward Lin, Wallace Lin