Communication apparatus
US7212114B2 · kind B2 · utility
7Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2003 |
| Grant date | May 1, 2007 |
| Priority date | — |
| Expiry date | Feb 4, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/2825
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A communication apparatus is provided that can urge a person, such as a child, to come back home at a scheduled time. The communication apparatus can also inform another person, such as a parent of the child, about the time that the child arrives home.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.