The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2022
Filed:
Nov. 27, 2018
Shanghai Townew Intelligent Technology Co., Ltd., Shanghai, CN;
Beijing Qiu, Shanghai, CN;
Jianxiang Li, Shanghai, CN;
SHANGHAI TOWNEW INTELLIGENT TECHNOLOGY CO., LTD., Shanghai, CN;
Abstract
The present invention discloses a trash bag detection device for a smart trash receptacle, comprising a transmitter for transmitting a signal and a receiver for receiving a signal, both the transmitter and the receiver being disposed on internal surfaces of the trash receptacle, wherein the signal received by the receiver is a direct signal transmitted from the transmitter or a signal from the transmitter that has been reflected. The present invention also discloses a smart trash receptacle incorporating such a trash bag detection device and a method for control of automatic bag replacement. With the present invention, the position of a trash bag in the trash receptacle can be automatically detected, allowing improved intelligent control of the trash receptacle. This is helpful in protecting the trash bag, saving resources, reducing potential safety risks of the smart trash receptacle and increasing its stability and reliability.