Invention Grant
- Patent Title: Microphone unit with internal A/D converter
- Patent Title (中): 带内部A / D转换器的麦克风单元
-
Application No.: US12929079Application Date: 2010-12-29
-
Publication No.: US08649528B2Publication Date: 2014-02-11
- Inventor: Claus Erdmann Fürst , Igor Mucha , Lars Stenberg
- Applicant: Claus Erdmann Fürst , Igor Mucha , Lars Stenberg
- Applicant Address: DK Roskilde
- Assignee: Techtronic A/S
- Current Assignee: Techtronic A/S
- Current Assignee Address: DK Roskilde
- Agency: Harness, Dickey & Pierce, P.L.C.
- Main IPC: H04R1/02
- IPC: H04R1/02 ; H04R3/00
Abstract:
The present invention relates to a microphone assembly comprising a microphone assembly casing having a sound inlet port and a transducer for receiving acoustic waves through the sound inlet port. The transducer converts the received acoustic waves to analog audio signals. The assembly according to the present invention further comprises an electronic circuit positioned within the microphone assembly casing, said electronic circuit comprising a pre-amplifier and an analog-to-digital converter preferably in form of a sigma-delta modulator so as to convert amplified analog audio signals to digital audio signals.
Public/Granted literature
- US20110096945A1 Microphone unit with internal A/D converter Public/Granted day:2011-04-28
Information query
