Hybrid contention mechanism for WLANs
US-9226332-B2 · Dec 29, 2015 · US
Vehicle multimedia head unit with two bluetooth antennas and two receivers
US8948698B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8948698-B2 |
| Application number | US-201113238629-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 21, 2011 |
| Priority date | Sep 2, 2011 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Examples of the present invention include a head unit for a vehicle entertainment system, including a housing, a radio, a first wireless transceiver, and a second wireless transceiver. The second wireless transceiver may be used to provide a dedicated communications link between the head unit and another electronic device, such as an auxiliary unit. The second wireless transceiver may have a serial port profile (SPP), and may be a Bluetooth transceiver.
First claim
Opening claim text (preview).
I claim: 1. A head unit for a vehicle entertainment system, the head unit having a video display and an audio output, the head unit comprising: a first Bluetooth transceiver operating at a first frequency, having a network profile operable to establish wireless communication with any mobile electronic device having a device network profile and located within the vehicle; and a second Bluetooth transceiver operating a second frequency lower than the first frequency, the second Bl…
Assignees
Inventors
Classifications
- H04W76/025Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
- H04W76/15Primary
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US8948698B2 cover?
- Examples of the present invention include a head unit for a vehicle entertainment system, including a housing, a radio, a first wireless transceiver, and a second wireless transceiver. The second wireless transceiver may be used to provide a dedicated communications link between the head unit and another electronic device, such as an auxiliary unit. The second wireless transceiver may have a se…
- Who is the assignee on this patent?
- King Ii Charles Joseph, Toyota Eng & Mfg North America
- What technology area does this patent fall under?
- Primary CPC classification H04W76/025. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 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).