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Movement history assurance for secure passive keyless entry and start systems
US8976005B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8976005-B2 |
| Application number | US-201313898309-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 20, 2013 |
| Priority date | May 20, 2013 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A passive keyless system including a base that selectively allows access to a restricted environment through a base transceiver operating with an encrypted link on first and second frequencies, and a base recording element storing base measured movement history information. Also, a passive keyless device with at least one sensor detects a movement property of the device, a device recording element stores movement history information about the device and reflecting the detected movement property, and a device transceiver communicating with the base transceiver, and transmitting to the base transceiver encrypted security information identifying the device in accordance with a passive keyless protocol and/or the movement history information, and an access request element that causes the device transceiver to request access to the base transceiver. The base uses the base measured movement history information and movement history information when allowing access to the restricted environment.
First claim
Opening claim text (preview).
What is claimed is: 1. A passive keyless device for selectively accessing a restricted environment of a base, comprising: at least one sensor configured to detect a movement property of the device; a recording element configured to store movement history information regarding the device, the movement history information reflecting the movement property detected by the sensor over a period of time; a transceiver configured to communicate with the base, and transmit to the base…
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Operations & Transport · mapped topic
Physics · mapped topic
- G07C9/00309Primary
Physics · mapped topic
Operations & Transport · mapped topic
Physics · mapped topic
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Frequently asked questions
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- What does patent US8976005B2 cover?
- A passive keyless system including a base that selectively allows access to a restricted environment through a base transceiver operating with an encrypted link on first and second frequencies, and a base recording element storing base measured movement history information. Also, a passive keyless device with at least one sensor detects a movement property of the device, a device recording elem…
- Who is the assignee on this patent?
- Nxp Bv
- What technology area does this patent fall under?
- Primary CPC classification G07C9/00309. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Mar 10 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).