Video player and video playback method of a video player having an audio-visual restriction capability
US6847777B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2000 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Feb 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4753
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video player including playback means for playing back a video recording medium, control means for controlling the playback means in response to external input, as well as externally outputting a video signal played back by the playback means, and operation means for inputting setting data input by a user to said control means, as well as externally displaying setting data output from the control means, said control means including a current time and date output unit for outputting current time and date, a date of birth storage unit for storing a date of birth of each viewer input through said operation means, a viewer's age calculation unit for calculating an age of each viewer based on a date of birth stored in said date of birth storage unit and current time and date output by said current time and date output unit, and a parental lock control unit for determining allowance/non-allowance of playback by said playback means based on parental lock information stored in advance in said video recording medium and an age calculated by said viewer's age calculation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.