Mobile communication device and method for controlling component activation based on sensed motion

• US 7,881,749 B2
• Filed: 09/28/2006
• Issued: 02/01/2011
• Est. Priority Date: 09/28/2006
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Hiles, Paul E.
• Primary Examiner(s): Corsaro; Nick
• Assistant Examiner(s): Ngo; Chuong A
• Application Number:
  US11/528,957
• Publication Number:
  US 20080081656A1
• Time in Patent Office: 1,587 Days
• Field of Search: 455/404.1, 455/404.2, 455/456.1, 455/550.1, 455/556.1, 455/127.5, 370/318
• US Class Current: 455/556.1
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1684 Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
• CPC Class Codes: G06F 1/1694 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
• CPC Class Codes: G06F 1/3203 Power management, i.e. event-based initiation of a power-saving mode
• CPC Class Codes: G06F 2200/1637 Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer
• CPC Class Codes: H04M 1/73 Battery saving arrangements
• CPC Class Codes: H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 52/0254 detecting a user operation or a tactile contact or a motion of the device
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A mobile communication device in accordance with an exemplary embodiment comprises a transceiver, a motion sensor, and logic. The transceiver is configured to communicate wireless signals. The logic is configured to perform a comparison of data from the motion sensor to data indicative of an expected flight path of the mobile communication device and to control an activation state of at least one component based on the comparison.

Claims

1. A mobile communication device, comprising:

a transceiver configured to communicate wireless signals;

memory holding prestored data indicative of an expected flight path of the device, the prestored data comprising a plurality of data values each representative of at least one of position and orientation of the device at a periodic interval along the expected flight path;

a motion sensor;

processor configured to sample the motion sensor at the periodic interval and generate sampled data indicative of the at least one of position and orientation of the device along an actual flight path of the device; and

processor configured to perform a comparison of the actual flight path to the expected flight path and to control an activation state of at least one component of the mobile communication device based on the comparison, wherein the comparison comprises;

vector subtracting the sampled data from the prestored data to form difference data indicative of a difference between the actual flight path and the expected flight path, vector summing the difference data to form a vector summation value, and comparing the vector summation value to a predetermined threshold.

2. The device of claim 1, wherein the processor is configured to determine an orientation of the mobile communication device based on the data from the motion sensor and to control the activation state of the at least one component based on the determined orientation.

3. The device of claim 1, wherein the motion sensor comprises at least one accelerometer.

4. The device of claim 1, wherein the at least one component comprises an access point locator configured to identify an access point for providing the transceiver with access to a network.

5. The device of claim 1, wherein the motion sensor comprises a contact switch.

6. The device of claim 5, wherein the processor is configured to sample the motion sensor based on a state of the contact switch.

7. The device of claim 1, further comprising:

processor configured to sample the motion'"'"' sensor at the periodic interval and record second prestored data indicative of a second expected flight path of the device defined by a user of the device, wherein the device is further configured to perform a comparison of the actual flight path to the second expected flight path and control the activation state of the at least one component based on the comparison.

9. The method of claim 5, further comprising determining an orientation of the mobile communication device based on the sampled data, wherein the activating is based on the determining.

10. The method of claim 5, further comprising detecting acceleration of the mobile communication device via the motion sensor.

11. The method of claim 5, further comprising sensing whether the mobile communication device is in contact with a holding apparatus, wherein the sampling is disabled when the device is in contact with the holding apparatus and enabled when the device is positioned away from the holding apparatus.

12. The method of claim 5, wherein the at least one component comprises an access point locator, and wherein the method further comprises:

receiving at least one beacon from at least one access point; and

selecting an access point, via the access point locator, based on the at least one beacon.

13. The method of claim 5, further comprising determining whether usage of the mobile communication device is imminent based on the comparing.

8. A method for use in mobile communication devices, comprising:

periodically sampling with a processor a motion sensor while a mobile communication device is moving thereby defining sampled data indicative of an actual flight path of the mobile communication device;

comparing with the processor the sampled data to prestored data indicative of an expected flight path of the mobile communication device, wherein the comparing comprises

calculating a vector sum of the sampled data,

calculating a vector sum of the prestored data,

subtracting the sampled data vector sum from the prestored data vector sum and comparing the difference to a threshold; and

activating by the processor at least one component of the mobile communication device based on the comparing.

14. A mobile communication device, comprising:

a transceiver configured to communicate wireless signals;

memory holding prestored data indicative of an expected flight path of the device, the prestored data comprising a plurality of data values each representative of at least one of position and orientation of the device at a periodic interval along the expected flight path;

a motion sensor;

processor configured to sample the motion sensor at the periodic interval and generate sampled data indicative of the at least one of position and orientation of the device along an actual flight path of the device; and

processor c configured to perform a comparison of the actual flight path to the expected flight path and to control an activation state of at least one component of the mobile communication device based on the comparison, wherein the comparison comprises calculating a vector sum of the sampled data, calculating a vector sum of the prestored data, subtracting the sampled data vector sum from the prestored data vector sum and comparing the difference to a threshold.