公开(公告)号：US20210347603A1

公开(公告)日：2021-11-11

申请号：US17222130

申请日：2021-04-05

申请人： TECHDAYAFTER INC.

发明人： Regis Frossard ,  Benjamin Le Coent

IPC分类号： B66B1/34 ,  B66B1/46 ,  G06F3/0488 ,  G06F3/16

摘要： A system and method is presented for hands-free operation of elevator using a smart phone or like device to display one or more colours that are read by a colour-detection device mounted in an elevator cabin and at each elevator landing. Different colours can be displayed by the smart phone or like device and detected by the colour-detection device where different can represent different commands to operate the elevator.

公开(公告)号：US11192757B2

公开(公告)日：2021-12-07

申请号：US17171309

申请日：2021-02-09

申请人： TECHDAYAFTER INC.

发明人： Regis Frossard ,  Benjamin Le Coent

IPC分类号： B66B27/00 ,  B66B29/00 ,  B66B25/00 ,  B66B29/08

摘要： A method and system is discussed for detecting distances between passengers walking onto escalators and moving sidewalks or travellators and for providing alerts to the passengers when minimum social distancing between the passengers is not being maintained.

公开(公告)号：US20210347611A1

公开(公告)日：2021-11-11

申请号：US17171309

申请日：2021-02-09

申请人： TECHDAYAFTER INC.

发明人： Regis Frossard ,  Benjamin Le Coent

IPC分类号： B66B27/00 ,  B66B29/00

摘要： A method and system is discussed for detecting distances between passengers walking onto escalators and moving sidewalks or travellators and for providing alerts to the passengers when minimum social distancing between the passengers is not being maintained.