Title:
マイクロフォン用の電子回路及びそのマイクロフォン
Document Type and Number:
Japanese Patent JP6694168
Kind Code:
B2
Abstract:
The electronic circuit having an input stage for pre-amplifying an electrical input signal of the electronic circuit provided by a transducer. The electronic circuit has an output stage for providing a microphone output signal by processing an output signal of the input stage. The electronic circuit has an adjustable output load arranged and configured for setting a current draw of the output stage. Additionally, the electronic circuit has a measurement circuit configured to capture the output signal of the input stage and an automatic control circuit configured to adjust the adjustable output load dependent on the captured output signal of the input stage.
Inventors:
Rocka, gino
Application Number:
JP2018517474A
Publication Date:
May 13, 2020
Filing Date:
July 27, 2015
Export Citation:
Assignee:
tdk Corporation
International Classes:
H03G3/30; H04R3/00
Domestic Patent References:
| JP2017517217A | ||||
| JP2015530024A | ||||
| JP2012165376A | ||||
| JP5620436A |
Foreign References:
| US20130271307 | ||||
| US7961896 | ||||
| US20060147060 | ||||
| US20150016636 |
Attorney, Agent or Firm:
Patent Corporation Nagato & Partners