TV set and a combination apparatus of a TV set and an AV amplifier
US6034737A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1997 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Aug 21, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/775
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A TV set includes a tuner circuit that selects a channel and outputs video and audio signals from the channel, a first external output terminal for outputting the video signals a second external output terminal for outputting the audio signals a first external input terminal to which video signals are supplied from external AV devices, a first switch means for taking out video signals from the tuner circuit and video signals from the first external input terminal selectively, a second switch teamed with the first switch and taking out audio signals from the tuner circuit when the first switch selects the video signals from the tuner circuit, a display for displaying video signals output from the first switch as images, a speaker for outputting audio signals output from the second switch as sounds, and a control circuit for holding both first and second switches in the status for selecting video signals from the first external input terminal. When an AV amplifier is connected to this TV set, the AV amplifier is also connected to external AV devices and is used to carry out a processing for changing the sound fields of the audio signals supplied together with video signals both from …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.