Location display apparatus
US5867563A · kind A · utility
14Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1995 |
| Grant date | Feb 2, 1999 |
| Priority date | — |
| Expiry date | Dec 15, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2242/30
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A location display apparatus has a display section for displaying a location and voice-synthesizes the location in response to a DTMF signal received from a circuit so as to transmit a corresponding message to the circuit. Moreover, in accordance with received DTMF signals, a power source of the apparatus is controlled, the message is transferred, and the displayed location is changed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.