SU456987A1 - Two-channel device for measuring the skew of a moving magnetic tape - Google Patents
Two-channel device for measuring the skew of a moving magnetic tapeInfo
- Publication number
- SU456987A1 SU456987A1 SU1979919A SU1979919A SU456987A1 SU 456987 A1 SU456987 A1 SU 456987A1 SU 1979919 A SU1979919 A SU 1979919A SU 1979919 A SU1979919 A SU 1979919A SU 456987 A1 SU456987 A1 SU 456987A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- skew
- measuring
- magnetic tape
- moving magnetic
- channel device
- Prior art date
Links
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
маци о колебани х скорости в обоих каналах находитс в фазе, а информаци о перекосных колебани х - в противофазе, на выходе дифференциального усилител остаетс в итоге информации только о перекосных колебани х движущейс магнитной ленты, величина которых и измер етс прибором 14.The speed oscillations in both channels are in phase, and the skew vibrations are out of phase, the output of the differential amplifier remains as a result of information only about the skew vibrations of the moving magnetic tape, the magnitude of which is measured by the device 14.
Предмет изобретени Subject invention
Двухканальное устройство дл измерени перекоса движущейс магнитной ленты, содержащее блок из жестко скрепленных между собой двух воспроизвод щих магнитныхA two-channel device for measuring the skew of a moving magnetic tape, comprising a block of two reproducing magnetic
головок, кажда из которых соединена со своим канальным усилителем, и общий измерительный прибор, отличающеес тем, что, с целью повышени точности измерений, оно снабжено общим дл обоих каналов дифференциальным усилителем, а каждый канал в отдельности снабжен последовательно соединенными преобразователем частотно-модулированных колебаний в частотно-импульсно-модулированные колебани и фильтром низких частот, включенными между выходом канального усилител и одним из входов дифференциального усилител .heads, each of which is connected to its channel amplifier, and a common measuring device, characterized in that, in order to improve measurement accuracy, it is equipped with a differential amplifier common to both channels, and each channel is individually equipped with series-connected frequency-modulated oscillations converter in pulse-frequency-modulated oscillations and a low-pass filter connected between the output of the channel amplifier and one of the inputs of the differential amplifier.
ыs
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1979919A SU456987A1 (en) | 1973-12-25 | 1973-12-25 | Two-channel device for measuring the skew of a moving magnetic tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1979919A SU456987A1 (en) | 1973-12-25 | 1973-12-25 | Two-channel device for measuring the skew of a moving magnetic tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU456987A1 true SU456987A1 (en) | 1975-01-15 |
Family
ID=20570628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1979919A SU456987A1 (en) | 1973-12-25 | 1973-12-25 | Two-channel device for measuring the skew of a moving magnetic tape |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU456987A1 (en) |
-
1973
- 1973-12-25 SU SU1979919A patent/SU456987A1/en active
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