IP Library Granted Patent US 9,395,827
Granted Patent B2
US 9,395,827 · App. 12/840,241 · Granted Jul 19, 2016

System for detecting orientation of magnetically coupled devices

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Quick Facts
Patent No.
US 9,395,827
App. No.
12/840,241
Granted
Jul 19, 2016
Kind
B2
Abstract

A device includes a receiving surface to magnetically retain the orientation-dependent device in any one of a plurality of possible orientations. The detection device includes circuitry that detects the relative orientation of the orientation-dependent device based on a magnetic orientation of the orientation-dependent device relative to the detection device.

Claims (31)

1. A system comprising:

an orientation-dependent device having multiple modes of operation, the orientation-dependent device including an arrangement of magnetic elements that are provided on a contact surface, the arrangement of magnetic elements corresponding to a tab with each tab differing in mass, the arrangement of magnetic elements including at least one magnetic element that is designated as an orientation marker;

a detection device having a receiving surface to receive the contact surface of the orientation-dependent device and to retain the orientation-dependent device in any one of a plurality of possible orientations, the detection device including detection circuitry and logic that is configured (i) to generate a response that is sensitive to variation in mass amongst the tabs to detect individual magnetic elements that comprise the arrangement, and (ii) to determine an orientation of the orientation-dependent device based on the orientation marker; and

wherein the detection device is structured to communicate the determined orientation to the orientation-dependent device.

2. The system of claim 1 , wherein the arrangement of magnetic elements include multiple magnetic elements that have a same magnetic response, and wherein the at least one magnetic element that is designated as the orientation marker has a different magnetic response than the other magnetic elements.

3. The system of claim 2 , wherein the at least one magnetic element that is designated as the orientation marker has a different shape from the other magnetic elements.

4. The system of claim 1 , wherein the arrangement of magnetic elements include one or more magnetic elements that are ring-shaped.

5. The system of claim 1 , wherein the detection circuitry and logic incorporate one or more coils that are each activated to be responsive to individual magnetic elements of the orientation-dependent device.

6. The system of claim 5 , wherein the detection circuitry and logic detect electrical skew in an output of each of the one or more coils, the electrical skew being indicative of a relative position of the magnetic element that is designated as the orientation marker.

7. The system of claim 1 , wherein when retained by the detection device, the orientation-dependent device is configured for operation in one of the multiple modes based, at least in part, on the orientation information.

8. The system of claim 1 , wherein the multiple modes of operation of the orientation-dependent device include at least (i) a portrait mode, and (ii) a landscape mode.

9. The system of claim 1 , wherein the detection device is structured to communicate the determined orientation to the orientation-dependent device using a wireless communication medium.

10. The system of claim 1 , wherein the detection device is structured to communicate the determined orientation to the orientation-dependent device using an inductive communication medium.

11. The system of claim 1 , wherein each tab is formed from a ferrous material, and wherein the detection device includes one or more magnets to magnetically couple to each tab of the orientation-dependent device.

12. The system of claim 1 , further comprising at least one electrically pulsed elements that is affected by the variation in mass amongst the tabs.

13. The system of claim 12 , wherein the at least one electrically pulsed elements is activated repeatedly before and after magnetic coupling is present.

14. The system of claim 1 , wherein detection circuitry and logic includes a coil to generate a response that is sensitive to the variation in mass amongst the tabs.

15. The system of claim 1 , wherein a difference in mass amongst the tabs correlates to an electrical characteristic identifying a position of a marker tab.

16. A device for detecting an orientation of an orientation-dependent device that is brought into contact, the device comprising:

a receiving surface to retain the orientation-dependent device in any one of a plurality of possible orientations;

detection circuitry and logic that is configured (i) to detect individual magnetic elements that are provided on the orientation-dependent device based on corresponding tabs each differing in mass, and (ii) to generate a response that is sensitive to variation in mass amongst the tabs and determine the orientation of the orientation-dependent device based at least in part on an orientation marker that is present in the magnetic elements provided on the orientation-dependent device.

17. The device of claim 16 , wherein the detection circuitry and logic that incorporate one or more coils that are each activated to be responsive to individual magnetic elements of the orientation-dependent device.

18. The device of claim 17 , wherein the detection circuitry and logic detect electrical skew in an output of each of the one or more coils, the electrical skew being indicative of a relative position of the magnetic element that is designated as the orientation marker.

19. The device of claim 16 , further comprising one or more magnets to magnetically couple to each tab of the orientation-dependent device.

20. The system of claim 16 , wherein the detection device is structured to communicate the determined orientation to the orientation-dependent device using a wireless communication medium.

21. The system of claim 16 , wherein the detection device is structured to communicate the determined orientation to the orientation-dependent device using an inductive communication medium.

22. A system comprising:

a orientation-dependent device having multiple orientation-dependent modes of operation; and

a detection device having (i) a receiving surface to magnetically retain the orientation-dependent device in a plurality of orientations relative to the detection device, and (ii) circuitry to detect the relative orientation of the orientation-dependent device based on variation in mass of tabs on the orientation-dependent device and a magnetic orientation of the orientation-dependent device and the detection device.

23. The system of claim 22 , wherein the multiple modes of operation include at least (i) a portrait mode, and (ii) a landscape mode.

24. The system of claim 22 , wherein the detection device is configured to communicate the relative orientation to the orientation-dependent device.

Assignments (6)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2014
From: HEWLETT-PACKARD COMPANY; HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.; PALM, INC.
To: QUALCOMM INCORPORATED
Reel/Frame 032132/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 18, 2013
From: PALM, INC.
To: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Reel/Frame 031837/0239 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 18, 2013
From: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
To: PALM, INC.
Reel/Frame 031837/0544 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 18, 2013
From: PALM, INC.
To: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Reel/Frame 031837/0659 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2013
From: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
To: PALM, INC.
Reel/Frame 030341/0459 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2010
From: PALM, INC.
To: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Reel/Frame 025204/0809 →