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US 11,143,733 B2Granted
Object orientation system, object orientation method and electronic apparatus
AssigneeCompal Electronics, Inc.
InventorI-Chun Tseng
Life of this patent
Estimating the term…
Abstract
An object orientation system, an object orientation method and an electronic apparatus are provided. A signal transmitter includes a directional antenna and emits a first wireless signal. A plurality of signal receivers are respectively disposed in a plurality of orientations. The signal receivers receive the first wireless signal and measure a plurality of first received signal strength indicators of the first wireless signal. The electronic apparatus is coupled to the signal receivers, estimates a plurality of strength variation data of the first received signal strength indicators measured by the signal receivers, and obtains orientation information of the signal transmitter according to the strength variation data corresponding to the signal receivers.
Claims15
An object orientation system, comprising:
- a signal transmitter, comprising a directional antenna, and emitting a first wireless signal;
- a plurality of signal receivers, respectively disposed in a plurality of orientations, receiving the first wireless signal, and measuring a plurality of first received signal strength indicators of the first wireless signal;
- and
- an electronic apparatus, coupled to the signal receivers, estimating a plurality of strength variation data of the first received signal strength indicators measured by the signal receivers, and obtaining orientation information of the signal transmitter according to the strength variation data corresponding to the signal receivers;
- wherein in the operation where the electronic apparatus estimates the strength variation data of the first received signal strength indicators measured by the signal receivers,
- the electronic apparatus respectively calculates a plurality of standard deviations of the first received signal strength indicators measured by the signal receivers in a preset sampling period;
- wherein in the operation where the electronic apparatus obtains the orientation information of the signal transmitter according to the strength variation data corresponding to the signal receivers,
- the electronic apparatus determines the orientation information of the signal transmitter according to the orientations in which the signal receivers are located and the standard deviations corresponding to the signal receivers, wherein the orientation information of the signal transmitter comprises an absolute orientation pointed by a reference facing direction of the signal transmitter.
5 more elements
An object orientation method, comprising:
- emitting a first wireless signal by a signal transmitter, wherein the signal transmitter comprises a directional antenna;
- receiving the first wireless signal by a plurality of signal receivers, and measuring a plurality of first received signal strength indicators of the first wireless signal by the signal receivers;
- estimating a plurality of strength variation data of the first received signal strength indicators measured by the signal receivers, comprising:
- respectively calculating a plurality of standard deviations of the first received signal strength indicators measured by the signal receivers in a preset sampling period;
- and
- obtaining orientation information of the signal transmitter according to the strength variation data corresponding to the signal receivers, comprising:
- determining the orientation information of the signal transmitter according to a plurality of orientations in which the signal receivers are located and the standard deviations corresponding to the signal receivers, wherein the orientation information of the signal transmitter comprises an absolute orientation pointed by a reference facing direction of the signal transmitter.
4 more elements
An electronic apparatus, comprising:
- a data communication device, receiving a plurality of first received signal strength indicators of a first wireless signal emitted by a signal transmitter;
- a storage device, storing a plurality of commands;
- and
- a processor, coupled to the storage device and the data communication device, and executing the commands for:
- estimating a plurality of strength variation data of the first received signal strength indicators measured by a plurality of signal receivers, and obtaining orientation information of the signal transmitter according to orientations in which the signal receivers are located and the strength variation data corresponding to the signal receivers, wherein the strength variation data comprises a plurality of standard deviations of the first received signal strength indicators measured by the signal receivers in a preset sampling period;
- and
- determining the orientation information of the signal transmitter according to the orientations in which the signal receivers are located and the standard deviations corresponding to the signal receivers, wherein the orientation information of the signal transmitter comprises an absolute orientation pointed by a reference facing direction of the signal transmitter.
4 more elements
Dependencies are inferred from the claim text.