Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent
1985-10-24
1989-02-28
Wong, Peter S.
Electrical audio signal processing systems and devices
Monitoring/measuring of audio devices
Loudspeaker operation
446175, 446297, 446397, 3645135, 200 6145R, G10L 910
Patent
active
048093351
ABSTRACT:
A speech unit for producing preselected words or phrases based on the orientation of a toy doll or figure. A gravity sensing means produces an output corresponding to the orientation of the sensing means with respect to gravity. The output of the sensing means is coupled to a speech synthesizer which produces an output based on transitions from one orientation of the sensing means to a second orientation. A timing circuit coupled to the sensing means establishes a time period during which the sensing means must maintain its orientation for an output to be realized. The timing means also is used to shut off power to the speech synthesizer and speaker means to conserve power of the circuit. In an alternate embodiment, the absolute position of the sensing means is used to select a speech output.
REFERENCES:
patent: 4696653 (1987-09-01), McKeefery
Ault Anita M.
Wong Peter S.
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