Accessory Detection
US-2015373180-A1 · Dec 24, 2015 · US
Enable and disable comparator voltage reference
US9014388B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9014388-B2 |
| Application number | US-201113302644-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 22, 2011 |
| Priority date | Nov 22, 2010 |
| Publication date | Apr 21, 2015 |
| Grant date | Apr 21, 2015 |
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Abstract
Official abstract text for this publication.
This document discusses, among other things, systems and methods to reduce power use of an accessory detection device. The accessory detection device can be configured to be coupled to a mobile device having an audio jack configured to be coupled to a mobile device accessory having a send/end key. In an example, the accessory detection device can include a comparator and a switch. The comparator can be configured to receive mobile device accessory information from the mobile device accessory and to determine activation of the send/end key using the received mobile device accessory information. The switch can be configured to receive connection information indicative of mobile device accessory connection to the audio jack and to isolate a reference input of the comparator from a supply voltage using the connection information, for example, to reduce leakage current.
First claim
Opening claim text (preview).
What is claimed is: 1. A system comprising: an accessory detection device configured to be coupled to a mobile device having an audio jack, wherein the audio jack is configured to be coupled to a mobile device accessory having a send/end key, the accessory detection device including: a comparator configured to receive mobile device accessory information from the mobile device accessory and to determine activation of the send/end key using the received mobile device accessory info…
Assignees
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Classifications
Electricity · mapped topic
- H04M1/72527Primary
Electricity · mapped topic
Electricity · mapped topic
- H04M1/6058Primary
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9014388B2 cover?
- This document discusses, among other things, systems and methods to reduce power use of an accessory detection device. The accessory detection device can be configured to be coupled to a mobile device having an audio jack configured to be coupled to a mobile device accessory having a send/end key. In an example, the accessory detection device can include a comparator and a switch. The comparato…
- Who is the assignee on this patent?
- Prentice Seth M, Stultz Julie Lynn, Fairchild Semiconductor
- What technology area does this patent fall under?
- Primary CPC classification H04M1/72527. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 21 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).