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:
Dec. 13, 2022
Filed:
Jun. 17, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
An incorrect insertion and removal prevention system that can prevent an operator from incorrectly selecting a port to be operated without sacrificing the port mounting density is described. An optical transmission deviceof the incorrect insertion and removal prevention system includes a plurality of portsfor transmitting and receiving an external signal, a touch sensorinstalled in each of the portsto detect a contact of the human body, a control unitfor causing a display unitto display information about the portcorresponding to the touch sensordetecting the contact of the human body, a storage unitfor storing information for distinguishing each port, and the display unitfor displaying the information for distinguishing each port