Wrist musical instrument tuner

Details Wrist musical instrument tuner Wrist musical instrument tuner

2005-05-17

2005-05-17

Fletcher, Marlon (Department: 2837)

Music

Accessories

Tuning devices

C084S47700R, C084S600000

Reexamination Certificate

active

06894212

ABSTRACT:
A wrist mounted electronic tuning device for use in tuning an acoustic musical instrument which includes a self-adapting wristband to automatically accommodate to a wide range of wrist sizes. Additionally, the tuning device includes sensing means operable for sensing an acoustic musical tone produced by the musical instrument and producing a representative electrical signal, conditioning means operable for amplifying, pre-filtering, and shaping the electrical signal into a representative pulse train, input means for selecting a musical note to tune to, computing means for receiving the pulse train and selected musical note and utilizing pre-programmed algorithms to determine the instrument's tuning condition, an output means to annunciate the tuning condition, and a power level switching means to permit the tuner to function in either a fully powered signal acquisition state or low power sleep state.

REFERENCES:
patent: 5016515 (1991-05-01), Scott
patent: 5105711 (1992-04-01), Barnard
patent: 5388496 (1995-02-01), Miller et al.
patent: 5768127 (1998-06-01), Murata
patent: 5777248 (1998-07-01), Campbell
patent: 5831190 (1998-11-01), Trabucco, Jr.
patent: 6242682 (2001-06-01), Marinic et al.
patent: 6529843 (2003-03-01), Carpenter

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