Using unidirectional and omnidirectional antennas to determine whether object image is in camera viewfinder
AssigneeHewlett-Packard Development Company, L.P.
InventorsIsaac Lagnado, Vali Ali
Life of this patent
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Abstract
A technique includes sensing energy emitted from an object using an omnidirectional antenna of electronic device and sensing the energy using a unidirectional antenna of the electronic device. The technique includes, based at least in part on the sensing of energy using the omnidirectional antenna and the sensing of the energy using the unidirectional antenna, determining whether an image of the object is displayed in a camera viewfinder of the electronic device. The technique includes selectively causing the electronic device to generate an output based at least in part on the determination.
Claims20
A method comprising:
- sensing, using an omnidirectional antenna of an electronic device, a first energy of a signal emitted from an object;
- sensing, using a unidirectional antenna of the electronic device, a second energy of the signal emitted from the object;
- based at least in part on the sensing of the first energy using the omnidirectional antenna and the sensing of the second energy using the unidirectional antenna, determining whether the object is within a specified range of an optical axis of a camera of the electronic device such that an image of the object is displayed in a camera viewfinder of the electronic device;
- and
- selectively causing the electronic device to generate an output based at least in part on the determination.
An apparatus comprising:
- a unidirectional antenna;
- an omnidirectional antenna;
- a camera;
- a display to display an image captured by the camera;
- and
- a processor to:
- use the omnidirectional antenna to measure a first signal strength of a signal emitted by a device;
- use the unidirectional antenna to measure a second signal strength of the signal emitted by the device;
- and
- based at least in part on the detected first and second signal strengths, selectively provide an indication in the image displayed by the display to indicate detection of the device.
An article comprising a non-transitory computer readable storage medium to store instructions that when executed by a computer cause the computer to:
- receive a first indicator of a first energy of a signal emitted from an electronic device, the first energy sensed using an omnidirectional antenna of the computer;
- receive a second indicator of a second energy of the signal emitted from the electronic device, the second energy sensed using a unidirectional antenna of the electronic device;
- based at least in part on the first indicator and the second indicator, determine whether the electronic device is within a specified azimuthal range of an optical axis of a camera of the computer such that an image of the electronic device is displayed in a display of the computer;
- and
- selectively cause the computer to provide an output based at least in part on the determination.
Dependencies are inferred from the claim text.