Tactile tempo indicating device

Details Tactile tempo indicating device Tactile tempo indicating device

1998-11-20

1999-09-28

Donels, Jeffrey W.

Music

Accessories

Producing color or light effects

84484, A63J 1700

Patent

active

059592303

ABSTRACT:
This device uses two solenoids to create a steady, tactile pulse. This pulse conveys a specific beat to the user and therefore conveys tempo in the manner of a metronome. A tempo-signal generating circuit feeds electric pulses to a "t" flip-flop. This flip-flop changes state with each pulse and through relays turns on or off the solenoids. The solenoids are spring loaded and return to place when power is off. This causes a jerk which is conveyed to the user through a belt clip, neck strap, or directly through the wall of the solenoid containing case. By using this invention, time may be kept in a precise manner without the intrusion of light or sound that occurs with other metronomes.

REFERENCES:
patent: 4437381 (1984-03-01), Chen
patent: 5689077 (1997-11-01), Jasinski
patent: 5743744 (1998-04-01), Cassily et al.

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