Emergency brake device for occurrence of acceleration of elevator door
US-2024003175-A1 · Jan 4, 2024 · US
US8976006B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8976006-B2 |
| Application number | US-201213477589-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 22, 2012 |
| Priority date | May 24, 2011 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
Disclosed are alternate embodiments of various components of a barrier operator system. and methods of operation, including of the mechanical drive subsystem with segmented and self-locking rail unit, rail mounting supports, belt and chain drive tensioning, and drive assembly carriage and interface; the electronics and software routines for controlled operation of the various barrier operator functions; wall console communications with the barrier operator; encryption and decryption of access codes; establishment and monitoring of travel limits and barrier speed and force profiles; thermal protection of barrier operator drive motors; and establishment and control of communications from the barrier operator to accessories by way of a wireless adapter.
Opening claim text (preview).
The invention claimed is: 1. A barrier operator system, comprising: a barrier operator for controlling the movement of a barrier; a transmitter remote from, and in operative communication with, said barrier operator, said transmitter having a plurality of user-operated controls for respectively transmitting a group of different type commands to said barrier operator, wherein the operation of respective ones of said user-operated controls generates respective command signals of r…
Physics · mapped topic
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
Related publications grouped by family.
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Answers are generated from the same data shown on this page.