System, method, and computer program product to provide wireless sensing based on an aggregate magnetic field reading

Patent metadata

Field	Value
Publication number	US-9329020-B1
Application number	US-201313732957-A
Country	US
Kind code	B1
Filing date	Jan 2, 2013
Priority date	Jan 2, 2013
Publication date	May 3, 2016
Grant date	May 3, 2016

Abstract

A system including a plurality of actuation devices with each actuation device configured to have a magnetized part which moves to a designated position representative of a designated manipulation, when at least one actuation device is manipulated, a magnetic sensor array configured to measure a composite magnetic field produced by the magnetized parts of the plurality of actuation devices, an acquisition device configured to acquire magnetic field data from the sensor array indicative of the measured composite magnetic field, a converter configured to convert the acquired composite magnetic field data into analog values, and a processor configured to evaluate to the analog values to determine which of the at least one activation device is manipulated, how the manipulation reflects collective operation of the plurality of actuation devices, and/or to provide a response indicative of the manipulation. A method and a computer program product are also disclosed.

First claim

What is claimed is:

1. A system comprising:
a plurality of actuation devices with each actuation device configured to have a magnetized part which moves to a designated position representative of a designated manipulation, when at least one actuation device is manipulated;
a magnetic sensor array configured to measure a composite magnetic field produced by the magnetized parts of the plurality of actuation devices;
an acquisition device configured to acquire magnetic field data from the sensor array indicative of the measured composite magnetic field;
a converter configured to convert the acquired composite magnetic field data into analog values;
a control panel configured to house the plurality of actuation devices, each of the plurality of actuation device is manipulatable from a front side of the control panel; and
a processor configured to evaluate to the analog values to determine which of the at least one activation device was manipulated, how the manipulation reflects collective operation of the plurality of actuation devices, and/or to provide a response indicative of the manipulation.

2. The system according to claim 1 , further comprising an amplification device configured to amplify the composite magnetic field prior to the acquisition device acquiring the magnetic field data.

3. The system according to claim 1 , wherein at least one actuation device of the plurality of actuation devices is a faux actuation device which provides no electrical signal when manipulated and is further configured to be moved in a same manner as an actuation device which provides an electrical signal when manipulated.

4. The system according to claim 1 , wherein the acquisition device is configured to acquire the magnetic field data or determine analog values for acquired magnetic field data at least as frequently as every ten milliseconds.

5. The system according to claim 1 , wherein a response indicative of the manipulation is communicated from the processor to the at least one actuation device or to a device which notifies a user of the response.

6. The system according to claim 1 , wherein the control panel is configured to minimize a magnetic field from being emitted from a structure of the control panel.

7. The system according to claim 1 , wherein the control panel is configured to shield components internal to a structure of the control panel from external stray magnetic fields.

8. The system according to claim 1 , wherein the processor utilizes a learning network to analyze the analog values to determine which of the at least actuation device was manipulated, how the manipulation reflects operation of the plurality of actuation devices, or to provide a response indicative of the manipulation.

9. The system according to claim 1 , wherein the processor utilizes a probabilistic model, a trainable Bayesian network or a classifier neural network to analyze the analog values to determine which one of the plurality of actuation devices was manipulated, how the manipulation reflects operation of the plurality of actuation devices, or to provide a response indicative of the manipulation.

10. The system according to claim 1 , wherein the plurality of actuation devices are wirelessly connected to the control panel wherein communication between the plurality of actuation devices and the control panel occur through the processor in response to the acquired magnetic field data.

11. The system according to claim 1 , wherein the plurality of magnetized parts create the composite magnetic field having three dimensions and the magnetic sensor may is configured to cut a two-dimensional plane through the composite magnetic field to measure scalar variations in the composite magnetic field.

12. A method comprising:
providing at least one actuation device of a plurality of actuation devices on a control panel, the at least one actuation device has a front end which is capable of being manipulated on a front side of the control panel which moves a part of the at least one actuation device which is magnetized;
actuating the at least one actuation device of the plurality of actuation devices in response to manipulation which causes the magnetized part to move to a designated position indicative of a designated manipulation of the at least one actuation device;
measuring a composite magnetic field created by a plurality of magnetized parts of the plurality of actuation devices;
acquiring magnetic field data based on the composite magnetic field measured;
converting the magnetic field data to analog values representative of positions of each actuation device of the plurality of actuation devices; and
determining, with a learning network and based on the analog values, which of the at least one actuation device was manipulated, how the manipulation reflects operation of the control panel, and/or to provide a response indicative of the manipulation.

13. The method according to claim 12 , further comprising amplifying the composite magnetic field prior to acquiring the magnetic field data to ensure detection.

14. The method according to claim 12 , further comprising providing a response to the control panel or a user indicative of the manipulation.

15. The method according to claim 12 , further comprising wirelessly connecting the plurality of actuation devices wherein communication between the plurality of actuation devices and the control panel occur through a processor operating the learning network.

16. The method according to claim 12 , wherein the step of determining, with a learning network, further comprises determining with a probabilistic model, a trainable Bayesian network or a classifier neural network which of the at least one actuation device was manipulated, how the manipulation reflects operation of the control panel, or to provide a response indicative of the manipulation.

17. A non-transitory processor readable storage medium, providing an executable computer program product, the executable computer program product comprising a computer software code that, when executed on a processor, causes the processor to:
detect, by activating a detection device, a composite magnetic field created by a plurality of actuation devices on a control panel, each actuation device is capable of being manipulated at a front end of the control panel, and is capable to produce a magnetic field, as a part of the composite magnetic field, from a magnetized part of the actuation device which moves to a designated position indicative of a designated manipulation of the at least one actuation device;
acquire, by activating an acquisition device, magnetic field data representative of the composite magnetic field created by the plurality of actuation devices;
convert the magnetic field data to analog values; and
determine, with a learning network and based on the analog values, which of the at least one activation device was manipulated, how the manipulation reflects operation of the control panel, or to provide a response indicative of the manipulation.

18. The processor readable storage medium according to claim 17 , further comprising the processor to provide a response to the control panel or a user indicative of the manipulation.

19. The processor readable storage medium according to claim 17 , wherein the processor to determine, with a learning network, further comprises the processor to determine with a probabilistic model, a trainable Bayesian network, or classifier neural network which of the at least one actuation device was manipulated, how the manipulation reflec

Assignees

• Lockheed Corp

Inventors

• Napoletano Nathaniel

Classifications

• G09B9/00 Primary

  Simulators for teaching or training purposes (for the use of weapons F41; computing aspects G06; {protocols for games, networked simulations or virtual reality H04L67/131}) · CPC title

• G01B7/14 Primary

  for measuring distance or clearance between spaced objects or spaced apertures (G01B7/30 takes precedence) · CPC title

• G06F17/00 Primary

  Digital computing or data processing equipment or methods, specially adapted for specific functions (information retrieval, database structures or file system structures therefor G06F16/00) · CPC title

• G09B23/18

  for electricity or magnetism · CPC title