Invisible intercom and access system and method
US11973896B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 14, 2021 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Nov 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/6081
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An invisible intercom and access system and method. The invisible intercom and access system may include a visitor device configured to make a phone call to a specific phone number; one or more authorized point of contact (APoC) device configured to receive the phone call and having an input configured to receive a code that produces tones; one or more third party device configured to control access to one or more access point of a property or building; and an invisible intercom and access apparatus configured to receive the phone call from the visitor device and connect the phone call to the one or more APoC device, recognize the tones of the code input at the one or more APoC device, and control or send a control signal to the one or more third party device. The invisible intercom and access method may include receiving via an invisible intercom and access apparatus a phone call from a visitor device using a specific phone number provided to a visitor at one or more access point of a building or property; connecting via the invisible intercom and access apparatus the phone call to one or more APoC device; recognizing via the invisible intercom and access apparatus tones of a code…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.