Video tape recorder with PCM audio recording with device for detecting irregularities in the video signal
US5428485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1992 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Apr 17, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/87
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A magnetic recording/reproducing apparatus equipped with a rotating drum having on its circumferential surface video signal heads for recording and reproducing a video signal on and from a recording medium and PCM signal heads for recording and reproducing a PCM audio signal on and from the recording medium. The apparatus further comprising at least a video signal irregularity detecting circuit for detecting a disturbance of the video signal. When detecting the disturbance of the video signal, the irregularity detecting circuit interrupts the recording of the PCM audio signal onto the recording medium in the case that the apparatus simultaneously records the video signal and PCM audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.