Apparatus and method for adaptive illumination charging

• US 8,441,226 B2
• Filed: 08/30/2010
• Issued: 05/14/2013
• Est. Priority Date: 08/28/2009
• Status: Expired due to Fees

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Ju, Wan-Jae, Won, Young-Deuk
• Primary Examiner(s): WILLIAMS, ARUN C
• Application Number:
  US12/870,953
• Publication Number:
  US 20110050160A1
• Time in Patent Office: 988 Days
• Field of Search: 320/101
• US Class Current: 320/101
• CPC Class Codes: H01M 10/44 Methods for charging or discharging circuits for charging H02J7/00
• CPC Class Codes: H01M 10/465 with solar battery as charging system
• CPC Class Codes: Y02E 10/56 Power conversion systems, e.g. maximum power point trackers
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

Disclosed is an apparatus for adaptive illumination charging, including: an image process sensor for detecting an external image information; a pixel sensor unit for receiving light of the image information detected by the image process sensor, the pixel sensor unit including multiple pixels; a light quantity calculator for calculating average quantity values of light received by pixels of the pixel sensor unit within a specific area during a pre-set time period; a controller for searching for a location of a pixel corresponding to an average value with a highest light quantity average among the average quantity values of the light and notifying of the search result; and a solar battery for generating energy according to a quantity of light received by the pixel sensor unit.

Claims

1. An apparatus for adaptive illumination charging, comprising:

an image process sensor for detecting external image information;

a pixel sensor unit having multiple pixels for receiving light of the image information detected by the image process sensor;

a light quantity calculator for calculating average quantity values of light received by pixels of the pixel sensor unit within a specific area during a pre-set time period; and

a controller for searching for a location of a pixel corresponding to an average value with a highest light quantity average among the average quantity values of the light and outputting an alarming sound or a display data on a display screen according to an outcome of the searched location.

2. The apparatus as claimed in claim 1, further comprising a solar battery for generating energy according to a quantity of light received by the pixel sensor unit.

3. The apparatus as claimed in claim 1, wherein when the display data is located in a pre-set specific area, the controller terminates the searching of the location and charges the solar battery.

4. The apparatus as claimed in claim 1, wherein the light quantity calculator calculates a quantity value of light through applying a frequency obtained through Fast Four Transform (FFT) of a corresponding pixel of the specific area to a following equation,

E=hv,

wherein v=(c/λ

)=cf, h (Planck'"'"'s constant)=6.0*10<sup>−

34</sup>J*s, and c (speed of light)=3.0*10⁸ m/s.

5. The apparatus as claimed in claim 1, wherein the multiple pixels are matched with pixels of the display screen, respectively.

6. The apparatus as claimed in claim 1, wherein the illumination can be obtained by sunlight or lighting having a predetermined illumination.

7. A method for adaptive illumination charging for a terminal, the method comprising:

detecting an external image information by an image process sensor;

receiving light of the detected image information through multiple pixels;

calculating average quantity values of the light received by pixels within a specific area during a pre-set time period;

searching for a location of a pixel corresponding to an average value with a highest light quantity average among the calculated average quantity values of the light and outputting an alarming sound or a display data on a display screen to notify the search result; and

terminating the searching of the location when the terminal is located at the searched location and charging a solar battery.

8. The method as claimed in claim 7, wherein t calculating the quantity value of the light is performed through applying a frequency obtained through Fast Four Transform (FFT) of a corresponding pixel of the specific area to a following equation,

E=hv,

wherein v=(c/λ

)=cf, h (Planck'"'"'s constant)=6.0*10<sup>−

34</sup>J*s, and c (speed of light)=3.0*10⁸ m/s.

9. The method as claimed in claim 7, wherein the multiple pixels are matched with pixels of the display screen, respectively.