Automatic communication standby device in cordless telephone
US4511761A · kind A · utility
27Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1982 |
| Grant date | Apr 16, 1985 |
| Priority date | — |
| Expiry date | Jun 17, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0042
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching element is inserted in a power supply line to a transmission circuit in the portable unit of a cordless telephone. The charge potential which is supplied from the base unit to the portable unit actuates the switching element to break the power supply line when the portable unit is replaced on the cradle of the base unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.