Mobile communication device including an array sensor

• US 20040204000A1
• Filed: 05/30/2002
• Published: 10/14/2004
• Est. Priority Date: 05/30/2002
• Status: Abandoned Application

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Gitzinger, Thomas, Charlier, Michael, Dietrich, Aaron
• Application Number:
  US10/158,379
• Publication Number:
  US 20040204000A1
• Time in Patent Office: Days
• US Class Current: 455/550.1
• CPC Class Codes: H04M 1/0214 Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position combined with translation movement H04M1/0235
• CPC Class Codes: H04M 1/0245 using open/close detection
• CPC Class Codes: H04M 1/23 Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof by improving visibility H04M1/22
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector

Abstract

An apparatus and method utilizing a mobile communication device including an array sensor. The apparatus can include a first housing, a second housing, and an array sensor. The apparatus may further include a controller coupled to the array sensor. The controller may include a field change sensing module configured to sense a change in a field across the array sensor and a parameter of operation adjustment module configured to adjust a parameter of operation of the apparatus based on a position of the second housing. The method can include the steps of sensing a position of the second housing and adjusting a sensitivity of the array sensor based on the position of the second housing.

Claims

1. A method of operation of a mobile communication device including a first housing, a second housing, and a array sensor, the method comprising:

sensing a position of the second housing; and

adjusting a sensitivity of the array sensor based on the position of the second housing.

2. The method of operation of a mobile communication device according to claim 1, wherein the position is a closed position.

3. The method of operation of a mobile communication device according to claim 1, wherein the sensor is a capacitive array sensor.

4. The method of operation of a mobile communication device according to claim 1, wherein the adjusting step further comprises increasing the sensitivity of the array sensor.

5. The method of operation of a mobile communication device according to claim 1, further comprising:

sensing an open position of the second housing; and

readjusting a sensitivity of the array sensor based on the open position of the second housing.

6. The method of operation of a mobile communication device according to claim 5, wherein the readjusting step further comprises decreasing the sensitivity of the array sensor.

7. The method of operation of a mobile communication device according to claim 1, wherein the second housing comprises a housing rotatably coupled to the first housing.

8. The method of operation of a mobile communication device according to claim 7, wherein the sensing step further comprises sensing a closed position of the second housing using the array sensor.

9. A method of operation of a mobile communication device including a first housing, a second housing including a predefined conductive pattern, and a capacitive array sensor, the method comprising:

sensing a change in a capacitive field across the capacitive array sensor based on a position of the second housing using the predefined conductive pattern; and

adjusting a parameter of operation of the mobile communication device based on the position of the second housing.

10. The method of operation of a mobile communication device according to claim 9, wherein the adjusting step further comprises adjusting a sensitivity of the capacitive array sensor operation in the mobile communication device based on the position of the second housing.

11. The method of operation of a mobile communication device according to claim 10, wherein the adjusting step further comprises increasing the sensitivity of the capacitive array sensor to an area outside of the second housing based on the position of the second housing.

12. The method of operation of a mobile communication device according to claim 9, wherein the second housing comprises a housing rotatably coupled to the first housing.

13. The method of operation of a mobile communication device according to claim 12, wherein the sensing step further comprises sensing the change in the capacitive field across the capacitive array sensor based on a closed position of the second housing using the predefined conductive pattern.

14. The method of operation of a mobile communication device according to claim 13, wherein the adjusting step further comprises increasing a sensitivity of the capacitive array sensor operation in the mobile communication device based on the closed position of the second housing.

15. The method of operation of a mobile communication device according to claim 14, wherein the sensitivity is increased to an exterior of the second housing.

16. The method of operation of a mobile communication device according to claim 9, wherein the second housing includes an antenna integral with the second housing and wherein the predefined conductive pattern comprises the antenna integral with the second housing.

17. The method of operation of a mobile communication device according to claim 9, wherein the second housing includes an antenna integral with the second housing and wherein the parameter of operation is a tuning of antenna matching circuitry and the adjusting step further comprises retuning the antenna matching circuitry based on the position of the second housing.

18. The method of operation of a mobile communication device according to claim 9, wherein the second housing includes a first antenna integral with the second housing and wherein the parameter of operation is a switching from the operation of the first antenna to the operation of a second antenna.

19. A mobile communication device, comprising:

a first housing;

a second housing coupled to the first housing;

a capacitive array sensor coupled to the first housing; and

a controller coupled to the capacitive array sensor, the controller including;

a capacitive field change sensing module configured to sense a change in a capacitive field across the capacitive array sensor, and

a parameter of operation adjustment module configured to adjust a parameter of operation of the mobile communication device based on the position of the second housing.

20. The mobile communication device according to claim 19, wherein the parameter of operation adjustment module is further configured to adjust a sensitivity of the capacitive array sensor operation based on a position of the second housing.

21. The mobile communication device according to claim 19, wherein the capacitive array sensor comprises:

a first electrode array; and

a second electrode array arranged perpendicular to the first electrode array,

wherein the first electrode array establishes an electromagnetic field and the second electrode array establishes an electromagnetic field.

22. The mobile communication device according to claim 21, wherein the controller further includes a balance measurement module configured to determine a position of a conductive object based on a measured balance between the first electrode array and the second electrode array.

23. The mobile communication device according to claim 21, wherein the controller further includes an electrical charge supply module configured to supply an electrical charge to the first electrode array and the second electrode array to create a mutual capacitance between the first electrode array and the second electrode array.

24. The mobile communication device according to claim 23, wherein the controller further includes a conductive object presence detection module configured to detect the presence of a conductive object by sensing the change in the capacitive field.

25. The mobile communication device according to claim 24, wherein the conductive object presence detection module senses a change in the capacitive field by measuring a decrease in the mutual capacitance between the first electrode array and the second electrode array.

26. The mobile communication device according to claim 19, wherein the parameter of operation adjustment module is further configured to increase a sensitivity of the capacitive array sensor to an area outside of the second housing based on a position of the second housing.

27. The mobile communication device according to claim 19, wherein the second housing is rotatably coupled to the first housing.

28. The mobile communication device according to claim 27, wherein the capacitive field change sensing module is further configured to sense a change in a capacitive field across the capacitive array sensor based on a closed position of the second housing using a predefined conductive pattern.

29. The mobile communication device according to claim 19, wherein the second housing includes an antenna integral with the second housing and wherein the parameter of operation is a tuning of antenna matching circuitry.

30. The mobile communication device according to claim 19, wherein the second housing includes a first antenna integral with the second housing and wherein the parameter of operation is a switching from the operation of the first antenna to the operation of a second antenna.

31. The mobile communication device according to claim 19, further comprising a numeric keypad coupled to the first housing, wherein the capacitive array sensor is located beneath the numeric keypad coupled to the first housing.

32. A mobile communication device, comprising:

a first housing;

a second housing coupled to the first housing;

an array sensor coupled to the first housing; and

a controller coupled to the array sensor, the controller including;

a field change sensing module configured to sense a change in a field across the array sensor, and

a parameter of operation adjustment module configured to increase a sensitivity of the array sensor operation to an exterior of the second housing based on a closed position of the second housing.

33. The mobile communication device according to claim 32, wherein the second housing comprises a housing rotatably coupled to the first housing.

34. The mobile communication device according to claim 32, wherein the second housing comprises a housing slidably coupled to the first housing.

35. The mobile communication device according to claim 32, wherein the second housing comprises a housing removably coupled to the first housing.

36. The mobile communication device according to claim 32, wherein the controller is configured to recalibrate the array sensor to tune out effects of metal located within the second housing.

37. The mobile communication device according to claim 32, wherein the controller is configured to include a data entry function and the controller is further configured to detect a conductive object when a data entry function is disabled.

38. The mobile communication device according to claim 37, wherein the controller is further configured to generate an audible alert when the conductive object is detected.

39. The mobile communication device according to claim 38, further comprising a display, wherein the controller is further configured to display a message on the display when the conductive object is detected.

40. The mobile communication device according to claim 37, further comprising a display backlight, wherein the controller is further configured to activate the display backlight when the conductive object is detected.