Telecommunications – Radiotelephone system – Message storage or retrieval
Reexamination Certificate
2007-03-27
2007-03-27
Trinh, Sonny (Department: 2618)
Telecommunications
Radiotelephone system
Message storage or retrieval
C455S333000, C455S575900
Reexamination Certificate
active
10752630
ABSTRACT:
A multilevel analog recording and playback system is described. The analog recording and playback system provides a variety of analog processing functions to enhance system level integration. The analog recording and playback system is an fully configurable integrated device that includes a plurality of signal paths, a microphone automatic gain control (“AGC”) circuit, volume control and filtering circuit, speaker driver circuit, gain selectable analog input, auxiliary input and output paths, configurable summation amplifiers having mixing features, multilevel analog memory storage array, and user selectable programming duration.
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Awsare Saleel V.
Engh Lawrence D.
Holzmann Peter
Jackson Geoffrey B.
Kao Oliver C.
Blakely , Sokoloff, Taylor & Zafman LLP
Trinh Sonny
Winbond Electronics Corporation
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