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Ranging and object positioning system and method of use

A distance measuring device and distance technology, applied in the field of mixed-mode ranging and object positioning systems, can solve the problems of expensive, strict, and large errors in distance calculations

Active Publication Date: 2019-09-10
杰洛基有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] A difficulty with these systems is that the transmitted radio frequency (RF) signal travels at such a high velocity (essentially the speed of light) that even a small error in the time-of-flight measurement can lead to a large error in the distance calculation, which leads to more stringent and Expensive system requirements, e.g. precise time synchronization, wide signal bandwidth, etc.

Method used

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  • Ranging and object positioning system and method of use
  • Ranging and object positioning system and method of use
  • Ranging and object positioning system and method of use

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Embodiment Construction

[0038] refer to figure 1 , which shows a ranging system and is identified by reference numeral 100 . As shown, system 100 includes one or more reference devices 102 and one or more target devices 104 deployed in a facility 106 . The reference device 102 in this embodiment transmits the set of wireless signals 108 and the target device 104 receives the set of wireless signals 108 . Accordingly, the reference device 102 communicates with the target device 104 via the set of wireless signals 108 to determine the range of the target device 104 . Here, the range of the object at least refers to the distance between the object and a reference point (eg, a reference device).

[0039] In this embodiment, one or more reference devices 102 are deployed at known locations on site 106, e.g., devices specifically designed for the purposes described herein, Access Point, access points and / or similar devices. As will be described in more detail below, each reference device 102 also in...

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Abstract

A ranging and / or object location system comprising: one or more target devices; one or more reference devices communicating with the one or more target devices via one or more radio signal groups, each radio signal group being at least comprising a first speed signal having a first transmission speed and a second speed signal having a second transmission speed, the first transmission speed being higher than the second transmission speed; at least one processing unit executing for An act of determining at least one distance between a target device and a reference device by a time difference between a reception time of a first speed signal and a reception time of a second speed signal of the transmitted wireless signal set.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application Serial No. 62 / 280,958, filed January 20, 2016, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates generally to ranging and object location methods and systems, and more particularly to a mixed-mode ranging and object location system and method that derives the distance between a reference object and a target object, and methods of using the same to determine the location of an object. Background technique [0004] Many types of rangefinders are known, for example one type typically includes an infrared light emitting diode (LED) and a photodiode. The rangefinder emits an infrared pulse that is reflected by nearby objects. The rangefinder receives the reflected infrared signal. Characteristics of the reflected infrared signal, such as intensity, time-of-flight, frequency and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S11/16
CPCG01S5/30G01S11/16G01S1/753G01S5/0036G01S1/80G01S1/74H04L1/0054H04L5/0048H04W64/006
Inventor M·W·勒韦V·迪哈格哈尼恩
Owner 杰洛基有限公司