Television receiver
US6392716B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1999 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jul 1, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4856
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An arrangement is provided whereby after purchasing a television receiver, when a power cord is plugged in an outlet and the power is turned on, the television receiver is automatically set on an automatic presetting mode, and various information is displayed by on screen display (OSD) during the operation and upon completion of the operation, thereby allowing a user to visually confirm the operating condition. To this end, when a power plug 17 is inserted, a power switch of a power supply circuit 16 is turned on, a broadcast channel of a station is detected by a synchronizing signal and an AFT voltage and is automatically preset in a nonvolatile memory. During the presetting, a message that a presetting function is operating and a message indicating an operating condition are displayed on a CRT 3. Further, upon completion of all the presetting, a message on he completion of operation is displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.