Information terminal apparatus that is remotely programmed by radio waves and that displays input keys of program functions on a display
US5668591A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1995 |
| Grant date | Sep 16, 1997 |
| Priority date | — |
| Expiry date | Mar 29, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4586
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information terminal apparatus capable of ensuring enhanced operational facility and realizing easier maintenance of software required for a variety of services. The terminal apparatus includes an external information input port for receiving external software transmitted thereto by radio waves; a first memory for storing the software received by the external information input port; a first controller operated in accordance with the execution of the software stored in the first memory; a console for inputting predetermined data in conformity with the execution of the software; and a display for visually representing various kinds of information in conformity with the execution of the software. The software is obtained via a cable box for transferring a signal to or from the information terminal unit. The cable box includes an interface for transferring information to and from a host processor; a second memory for storing the software transmitted thereto from the host processor; and a second controller for controlling the signal transfer to or from the interface, the second memory and the information terminal unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.