CHRONOMETRIC ATTENTION DEVICE FOR EDUCATIONAL INSTITUTIONS

摘要

The proposed chronometric attention device for educational institutions contains an electronic alarm-clock, an indicator, a sound signal generator, and additionally, a pulse counter for setting a time interval, a time interval counter, and a memory unit. The proposed device may contain a microphone, a signal mixer, an amplifier, a branched communication line, and a loudspeaker with an output amplifier. The present invention allows the number of time intervals to be increased.