Ultraviolet detection system and method thereof

• US 8,554,466 B2
• Filed: 02/23/2010
• Issued: 10/08/2013
• Est. Priority Date: 03/09/2009
• Status: Active Grant

• Current Assignee: Xueshan Technologies Inc. (Wi-LAN Inc.)
• Original Assignee: MStar Semiconductor Incorporated (MediaTek, Inc.)
• Inventors: Hsu, Shu Hao
• Primary Examiner(s): MANCHO, RONNIE M
• Application Number:
  US12/710,651
• Publication Number:
  US 20100228735A1
• Time in Patent Office: 1,323 Days
• Field of Search: 701/408, 455/457, 455/574, 455/414.1, 455/456.3, 713/323
• US Class Current: 701/408
• CPC Class Codes: G01C 21/26 specially adapted for navigation in a road network
• CPC Class Codes: G01J 1/02 Details
• CPC Class Codes: G01J 1/0242 Control or determination of height or angle information of sensors or receivers; Goniophotometry
• CPC Class Codes: G01J 1/429 applied to measurement of ultraviolet light using counting tubes G01T
• CPC Class Codes: G01J 2001/4266 for measuring solar light

Abstract

An ultraviolet detection system comprises a global positioning device for receiving signals transmitted from global positioning satellites, and generating global positioning satellite distribution data and current position data; and a processor, coupled to the global positioning device, for generating ultraviolet intensity information according to the current position data and the global positioning satellite distribution data. The processor generates ultraviolet intensity information more accurately according to a current time data, which is transmitted from the global positioning satellite or is automatically generated from the global positioning device.

Claims

1. An ultraviolet detection system, comprising:

a global positioning device, for receiving signals from global positioning satellites and generating global positioning satellite distribution data and current position data; and

a processor, coupled to the global positioning device, for generating ultraviolet intensity information according to the current position data and the global positioning satellite distribution data.

2. The ultraviolet detection system as claimed in claim 1, wherein the current position data is latitude and longitude data, the signals transmitted from the global positioning satellites further comprise satellite time data, the processor is configured to access a look-up table, and relative positions of the sun and the ultraviolet detection system are determined by looking up in the look-up table according to the latitude and longitude data.

3. The ultraviolet detection system as claimed in claim 2, wherein the processor generates the ultraviolet intensity information according to the relative positions and the global positioning satellite distribution data.

4. The ultraviolet detection system as claimed in claim 3, wherein the processor generates the ultraviolet intensity information according to the satellite time data.

13. The ultraviolet detection system as claimed in claim 1, wherein the global positioning satellite distribution data is generated according to which signals of the global positioning satellites can be received in order to determine geographical shelters.

5. An ultraviolet detection system, comprising:

a timing device, for providing current time data;

a global positioning device, for receiving signals from global positioning satellites and generating global positioning satellite distribution data and current position data; and

a processor, coupled to the timing device and the global positioning device, for generating ultraviolet intensity information according to the current time data, the current position data and the global positioning satellite distribution data.

6. The ultraviolet detection system as claimed in claim 5, wherein the processor is configured to access a look-up table, the current position data is latitude and longitude data, and relative positions of the sun and the ultraviolet detection system are determined by looking up in the look-up table according to the latitude and longitude data and the current time data.

7. The ultraviolet detection system as claimed in claim 6, wherein the processor generates the ultraviolet intensity information according to the relative positions and the global positioning satellite distribution data.

8. The ultraviolet detection system as claimed in claim 7, wherein the processor generates the ultraviolet intensity information according to the current time data.

14. The ultraviolet detection system as claimed in claim 5, wherein the global positioning satellite distribution data is generated according to which signals of the global positioning satellites can be received in order to determine geographical shelters.

9. An ultraviolet detection method, comprising:

providing current time data;

receiving signals from global positioning satellites, and generating global positioning satellite distribution data and current position data; and

generating ultraviolet intensity information according to the current time data, the current position data and the global positioning satellite distribution data.

10. The ultraviolet detection method as claimed in claim 9, wherein the current position data is latitude and longitude data, and relative positions of the sun and the ultraviolet detection system are determined by looking up in a look-up table according to the latitude and longitude data and the current time data.

11. The ultraviolet detection method as claimed in claim 10, wherein the ultraviolet intensity information is generated according to the relative positions and the global positioning satellite distribution data.

12. The ultraviolet detection method as claimed in claim 11, wherein the ultraviolet intensity information is generated further according to the current time data.

15. The ultraviolet detection method as claimed in claim 9, wherein the global positioning satellite distribution data is generated according to which signals of the global positioning satellites can be received in order to determine geographical shelters.