Terminal apparatus, information service center, transmitting system, and transmitting method
US6477506B1 · kind B1 · utility
4Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1999 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Feb 11, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2250/575
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A transmitting system in which a data once downloaded in a memory of a terminal apparatus from an information service center is returned to the information service center while the returned data is deleted from the memory of the terminal apparatus, and a fee for a next new data purchased by the terminal apparatus from the information service center is discounted or not charged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.