Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate
2006-09-05
2006-09-05
Mei, Xu (Department: 2644)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Digital audio data processing system
C381S061000, C704S278000, C704S270000
Reexamination Certificate
active
07103430
ABSTRACT:
The present invention provides an apparatus having a microphone, an analog to digital converting circuit, a semiconductor memory, input device, and a controller. The analog to digital converting circuit converts an output signal from the microphone into a digital signal. The semiconductor memory stores the output signal from the analog to digital converting circuit. The input device at least carry out input of a record start and a record end. The controller, according to the input from the input device, carries out operation control for start and stop of writing into the semiconductor memory a digital signal from the analog to digital converting circuit. When the input device is operated and a predetermined time interval has passed, the controller controls to start writing the digital signal from the analog/digital conversion circuit into the semiconductor memory.
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patent: 5499316 (1996-03-01), Sudoh et al.
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patent: 5903871 (1999-05-01), Terui et al.
patent: 6925341 (2005-08-01), Yamada
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