Semiconductor circuit device, oscillator, electronic apparatus, and moving object
US-2016218718-A1 · Jul 28, 2016 · US
Handheld device and frequency tracking method thereof
US9531387B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9531387-B2 |
| Application number | US-201414587128-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 31, 2014 |
| Priority date | Mar 28, 2014 |
| Publication date | Dec 27, 2016 |
| Grant date | Dec 27, 2016 |
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Abstract
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A handheld device and a frequency tracking method thereof are provided. The handheld device comprises an oscillator, a radio frequency (RF) chip, a modem module, a first thermal sensor and a thermal module. The oscillator generates an oscillation signal with an oscillation frequency. The RF chip is electrically connected to the oscillator and configured to receive a paging signal from a paging channel and an RF signal from a non-regular channel based on the oscillation signal. The modem module is electrically connected to the RF chip. The first thermal sensor disposed close to the oscillator measures a heat source temperature. The thermal module electrically connected to the modem module and the first thermal sensor enables the modem module to execute a frequency compensation process by using the RF signal of both the paging signal and the RF signal according to the heat source temperature.
First claim
Opening claim text (preview).
What is claimed is: 1. A handheld device, comprising: an oscillator, being configured to generate an oscillation signal; a radio frequency (RF) chip, being electrically connected to the oscillator and configured to receive a paging signal from a paging channel and an RF signal from a non-regular channel based on the oscillation signal; a modem module, being electrically connected to the RF chip; a first thermal sensor, being disposed close to the oscillator and configured to…
Assignees
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- H03L1/02Primary
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9531387B2 cover?
- A handheld device and a frequency tracking method thereof are provided. The handheld device comprises an oscillator, a radio frequency (RF) chip, a modem module, a first thermal sensor and a thermal module. The oscillator generates an oscillation signal with an oscillation frequency. The RF chip is electrically connected to the oscillator and configured to receive a paging signal from a paging …
- Who is the assignee on this patent?
- Mediatek Inc
- What technology area does this patent fall under?
- Primary CPC classification H03L1/02. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Dec 27 2016 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).