Modification of audio responsive to proximity detection
US-9225307-B2 · Dec 29, 2015 · US
Method and apparatus for providing privacy for telephone conversations
US9178478B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9178478-B2 |
| Application number | US-73748207-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 19, 2007 |
| Priority date | Apr 19, 2007 |
| Publication date | Nov 3, 2015 |
| Grant date | Nov 3, 2015 |
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Abstract
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A method and apparatus for providing privacy for telephone conversations over communication networks is disclosed. For example, a telephony endpoint device comprises a microphone for receiving an audio signal and a gain boost circuit, coupled to the microphone, for applying a gain boost to the audio signal. The telephony endpoint device also comprises a switch, coupled to the gain boost circuit, wherein operating the switch will control whether the gain boost is to be applied to the audio signal.
First claim
Opening claim text (preview).
What is claimed is: 1. A telephony endpoint device, comprising: a microphone for receiving an audio signal; a gain boost circuit, coupled to the microphone, for applying a gain boost to the audio signal, wherein the gain boost circuit further applies a noise cancellation to the audio signal; a manually activated switch, coupled to the gain boost circuit, wherein operating the manually activated switch controls whether the gain boost and the noise cancellation are to be applied…
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- H03G3/02Primary
Electricity · mapped topic
- H04M1/6008Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9178478B2 cover?
- A method and apparatus for providing privacy for telephone conversations over communication networks is disclosed. For example, a telephony endpoint device comprises a microphone for receiving an audio signal and a gain boost circuit, coupled to the microphone, for applying a gain boost to the audio signal. The telephony endpoint device also comprises a switch, coupled to the gain boost circuit…
- Who is the assignee on this patent?
- Chen Bing, Francis John D, Garrison Laurie, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification H03G3/02. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).