Electronic sound effects apparatus

摘要: An electronic sound effects apparatus for indicating the passage of hour and also issuing periodic announcements by reproduction human voice or other sound, having a clock, timer tape-player including loudspeaker, which produces signals at selected time intervals to start tape-player, tape being preprogrammed issue such as sequentially material through loudspeaker synchronized with actual local so repeat itself appropriate throughout desired operating cycle. Displacement is used stop end each announcement before next due start, that will always remain in phase indefinitely. If desired, tapeplayer may be concurrently entertainment, purposes, choice user.