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Local oscillator frequency-based proximity sensor

A proximity sensor, local oscillator technology for detecting environmental changes such as motion or approach that can address issues of cost, size, lack of durability, and difficulty

Pending Publication Date: 2021-08-31
威利奥特有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, IoT devices utilizing such protocols require external power sources such as button batteries
For example, reliance on power sources is a limiting factor for electronic devices due to cost, size, lack of durability to environmental impact, and frequent replacement
Attached to the ground, relying on external power sources (such as batteries) requires greater space allocation, which often poses difficulties for IoT devices designed for the smallest possible size

Method used

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  • Local oscillator frequency-based proximity sensor
  • Local oscillator frequency-based proximity sensor
  • Local oscillator frequency-based proximity sensor

Examples

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Embodiment Construction

[0031] It is important to note that the disclosed embodiments are only examples of the many advantageous uses of the innovative teachings herein. In general, statements made in the specification of the present application do not necessarily limit any of the various claimed embodiments. Furthermore, certain statements may apply to some inventive features but not to others. In general, elements in the singular may be in the plural and vice versa, with no loss of generality unless otherwise indicated. In the drawings, like numerals denote like parts throughout the figures.

[0032] Embodiments of the present disclosure include a method and system for determining motion or proximity based on an oscillator frequency shift of a local oscillator of an IoT tag, particularly a batteryless IoT tag.

[0033] figure 2 is a schematic diagram of an IoT tag 200 providing proximity and motion detection according to one embodiment. In one embodiment, the IoT tag 200 includes an integrated ...

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PUM

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Abstract

A local oscillator frequency-based proximity sensor is disclosed. The proximity sensor includes: an integrated circuit having at least a capacitive element; and an antenna designed with an inductive element; wherein the capacitive element and the inductive element form a proximity sensor oscillating at a local oscillator (LO) frequency, wherein the integrated circuit is configured to measure a frequency offset from the LO frequency, wherein the frequency offset is indicative of a detection of a nearby object.

Description

[0001] priority document [0002] This application claims the benefit of priority to U.S. Provisional Application No. 62 / 793,265, filed January 16, 2019, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates generally to oscillators, and more particularly to utilizing local oscillator frequency measurements to detect environmental changes such as motion or proximity. Background technique [0004] The Internet of Things (IoT) is the networking of physical devices, vehicles, buildings, and other items embedded with electronics, software, sensors, actuators, and network connections that enable these objects to collect and exchange data. IoT promises to provide advanced connectivity of devices, systems and services that go beyond machine-to-machine (M2M) communication and cover various protocols, domains and applications. [0005] IoT can be packaged in a wide variety of devices such as: heart monitoring impla...

Claims

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Application Information

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IPC IPC(8): H01Q1/38G01V3/08G06F21/44
CPCH02J50/001H02J50/20H04B1/0458H03J2200/06G01B7/023H04B5/73H03L7/099H04B1/04G06F1/3206H03B2200/006H02J50/80G01B7/14H03B2201/0225G06F21/44H01Q1/38G01V3/08
Inventor 阿隆·耶耶兹凯利尼尔·沙皮拉
Owner 威利奥特有限公司
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