Sensor correction method, apparatus and electronic device

Patent metadata

Field	Value
Publication number	US-10473450-B2
Application number	US-201715612857-A
Country	US
Kind code	B2
Filing date	Jun 2, 2017
Priority date	Jun 3, 2016
Publication date	Nov 12, 2019
Grant date	Nov 12, 2019

Abstract

One embodiment provides a method, including: identifying, using at least one sensor, an angle value between a first body and a second body of an electronic device; determining, using a processor, whether the angle value between the first body and the second body is greater than a predetermined threshold value; and correcting, responsive to determining that the angle value between the first body and the second body is greater than the predetermined threshold value, a decision threshold. Other aspects are described and claimed.

First claim

What is claimed is:

1. A method, comprising:
identifying, using at least one sensor, an angle value between a first body and a second body of an electronic device;
determining, using a processor, whether the angle value between the first body and the second body meets a preset condition; and
correcting, responsive to determining that the angle value between the first body and the second body meets the preset condition, a decision threshold associated with the at least one sensor for managing specific absorption rates (SAR) emitted by the electronic device.

2. The method of claim 1 , wherein the correcting the decision threshold comprises adjusting the decision threshold to a corrected decision threshold.

3. The method of claim 2 , wherein the adjusting the decision threshold to the corrected decision threshold comprises introducing a correction parameter to the decision threshold.

4. The method of claim 3 , wherein the correction parameter does not exceed a capacitance value associated with a detected object.

5. The method of claim 3 , wherein the correction parameter is based upon the determined angle.

6. The method of claim 3 , wherein the at least one sensor comprises a capacitive sensor.

7. The method of claim 6 , further comprising obtaining, using the capacitive sensor, a capacitance value associated with an object.

8. The method of claim 7 , further comprising comparing the capacitive value to the corrected decision threshold.

9. The method of claim 8 , further comprising determining, based on the capacitive value being higher than the corrected decision threshold, that the object is a proximate object.

10. The method of claim 8 , further comprising determining, based on the capacitive value being lower than the corrected decision threshold, that the object is a distant object.

11. An electronic device, comprising:
a first body;
a second body;
at least one sensor;
a processor;
a memory device that stores instructions executable by the processor to:
identify an angle value between the first body and the second body of the electronic device;
determine whether the angle value between the first body and the second body meets a preset condition; and
correct, responsive to determining that the angle value between the first body and the second body meets the preset condition, a decision threshold associated with the at least one sensor for managing specific absorption rates (SAR) emitted by the electronic device.

12. The electronic device of claim 11 , wherein the instructions executable by the processor to correct the decision threshold comprise instructions executable by the processor to adjust the decision threshold to a corrected decision threshold.

13. The electronic device of claim 12 , wherein the instructions executable by the processor to adjust the decision threshold to the corrected decision threshold comprise instructions executable by the processor to introduce a correction parameter to the decision threshold.

14. The electronic device of claim 13 , wherein the correction parameter does not exceed a capacitance value associated with a detected object.

15. The electronic device of claim 13 , wherein the correction parameter is based upon the determined angle.

16. The electronic device of claim 13 , wherein the at least one sensor comprises a capacitive sensor.

17. The electronic device of claim 16 , wherein the instructions are further executable by the processor to obtain a capacitance value associated with an object.

18. The electronic device of claim 17 , wherein the instructions are further executable by the processor to compare the capacitive value to the corrected decision threshold.

19. The electronic device of claim 18 , wherein the instructions are further executable by the processor to determine, based on the capacitive value being higher than the corrected decision threshold, that the object is a proximate object.

20. A product, comprising:
a storage device that stores code, the code being executable by a processor and comprising:
code that identifies an angle value between a first body and a second body of an electronic device;
code that determines whether the angle value between the first body and the second body meets a preset condition; and
code that corrects, responsive to the code that determines that the angle value between the first body and the second body meets the preset condition, a decision threshold associated with the at least one sensor for managing specific absorption rates (SAR) emitted by the electronic device.

Assignees

• Lenovo Beijing Ltd
• Lenovo Singapore Pte Ltd

Inventors

• Zhang Shuxian

Classifications

• G01R35/005 Primary

  Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references (G01R33/0035, G01R35/002 take precedence) · CPC title

• G06F1/1615

  with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function (constructional details of portable telephones comprising a plurality of mechanically joined movable body parts H04M1/0206) · CPC title

• G01R27/2605

  Measuring capacitance (capacitive sensors G01D5/24) · CPC title

• G01B7/30 Primary

  for measuring angles or tapers; for testing the alignment of axes · CPC title

• G06F1/1677

  for detecting open or closed state or particular intermediate positions assumed by movable parts of the enclosure, e.g. detection of display lid position with respect to main body in a laptop, detection of opening of the cover of battery compartment · CPC title