Impact activated telephone method and apparatus
US6263069A · kind A · utility
3Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1998 |
| Grant date | Jul 17, 2001 |
| Priority date | — |
| Expiry date | Jul 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus for activating an emergency telephone mounted upon a structure, wherein the telephone is activated as a result of an impact by an object upon the structure causing the telephone to go off-hook active with immediate automatic connection to another telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.