Orientation of an ultrasonic signal
First Claim
1. A system for orientation of an ultrasonic signal, comprising:
- a mobile device including at least two emitters operable to emit an ultrasonic signal, the mobile device also including an orientation sensor operable to determine an orientation of the mobile device;
in response to the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal in a preferred direction;
a receiver with at least two microphones operable to receive the ultrasonic signal, the receiver located at a fixed, known point in an environment of the system; and
a location engine operable to establish a location of the mobile device within the environment of the system; and
whereinin response to the location and the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal towards the receiver.
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Accused Products
Abstract
A system and method for orientation of an ultrasonic signal includes at least two emitters in a mobile device that includes an orientation sensor that can determine a device orientation. A receiver at a fixed, known point includes at least two microphones operable to receive an ultrasonic signal from the device. The mobile device can drive the emitters to produce an ultrasonic signal that is oriented towards the receiver. A location engine can establish a location of the mobile device using the time delay of arrival of an ultrasonic burst from the mobile device impinging on each microphone of the receiver. In response to the location and/or the orientation, the mobile device operable to drive the emitters to produce a signal that is oriented towards the receiver.
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Citations
12 Claims
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1. A system for orientation of an ultrasonic signal, comprising:
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a mobile device including at least two emitters operable to emit an ultrasonic signal, the mobile device also including an orientation sensor operable to determine an orientation of the mobile device; in response to the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal in a preferred direction; a receiver with at least two microphones operable to receive the ultrasonic signal, the receiver located at a fixed, known point in an environment of the system; and a location engine operable to establish a location of the mobile device within the environment of the system; and
whereinin response to the location and the orientation, the mobile device operable to drive the emitters to orient the ultrasonic signal towards the receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for orientation of an ultrasonic signal, comprising:
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a mobile device including at least two emitters operable to emit an ultrasonic signal, wherein the emitters are oriented in different directions in the mobile device, the mobile device also including an orientation sensor operable to determine an orientation of the mobile device; a receiver with at least two microphones operable to receive the ultrasonic signal, the receiver located at a fixed, known point in an environment of the system; a location engine operable to establish a location of the mobile device within the environment of the system;
whereinin response to the location and the orientation, the mobile device operable to drive only one of the emitters that is most oriented towards the receiver.
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10. A method for orientation of an ultrasonic signal, comprising:
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providing a mobile device including at least two emitters operable to emit an ultrasonic signal and a receiver with at least two microphones operable to receive the ultrasonic signal, the receiver located at a fixed, known point in an environment of the system; determining an orientation of the mobile device; establishing a location of the mobile device within the environment of the system; and in response to the location and the orientation, driving the emitters to orient the ultrasonic signal towards the receiver. - View Dependent Claims (11, 12)
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Specification