Digital/analog broadcast receiving device capable of limiting change in setting in operation setting menu thereof
US6888576B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2002 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Jul 6, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42221
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital/analog broadcast receiving device has either in a first setting mode (proficient mode) in which whole of setting items can be changed without any limitation and a second setting mode (beginner mode) in which the setting items can be changed with some limitation. The receiving device is set in the second setting mode at the time of shipment from a factory. On the screen displaying thereon a setting menu including setting items for a various operations, such a setting item that cannot be changed is not displayed or prevented from being selected. Thus, the menu items that are desired not to be touched by a beginner user etc. can be prevented from being displayed or selected, so as to improve the operability and also protect the settings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.