| 摘要 |
PURPOSE: A key lock apparatus for television is provided to lock up the key buttons on the front mask of TV in order to prevent others except a viewer from controlling the television. CONSTITUTION: A key lock apparatus for television includes a remote controller(102), a microcomputer(103), and a key button ground(105). The microcomputer(103) determines whether a key lock signal is input from the remote controller(102), and according to the result, whether only the remote controller(102) is used for controlling is determined. The key button ground(105) locks up the key buttons(101) on the front mask when the key lock signal is applied. The key buttons(101) further includes plurality of switches connected in parallel. |
