| 摘要 |
PROBLEM TO BE SOLVED: To prevent enlargement of hardware and the increase of the cost by eliminating a need of preparing a private de-multiplexer for each multiplex system. SOLUTION: A system clock reproducing part consists of hardware consisting of an address decoder 210, a counter 218, plural latch circuits 211, 212, 213, 214, and 215, and a gate circuit 217. The counter 218 counts the system clock, and a pulse generation circuit 216 generates a timing signal for load of time information to the counter 218 and generates a timing signal for latch or the output value of the counter 218, and the multiplex system of a received broadcasting signal is discriminated by the CPU of a demultiplexer, and a strobe signal whose period corresponds to the discriminated multiplex system is given to the pulse generation circuit 216 to switch the generation timings of these timing signals. |
