SU987673A1 - Device for magnetic recording and reproducing - Google Patents

Description

Izovmertenie refers to nakiplef info (, | and km & n another to devices for magnetic recording and reproducing. A device for magnetic

recording and playback containing

record-play path, input and output mechanisms

information, and having a site

simple. design 1.

However, this device does not allow for duplication of the process of magnetic recording and playback.

It is also known a device for magnetic recording and reproduction, containing an input information bus connected to the input of the first recording-reproducing path, the output of which i, connected to the first of the output information buses, and connected through the driver of the fault to the logic driver of the control pulse, the second Record Playback Path and Time Code Bus Output. This device allows for duplication of the magnetic recording and playback process 2.

The disadvantage of this device is significant loss of information in the process of magnetic recording and playback.

The purpose of the invention is to reduce the loss of information in the process of magnetic recording and playback. ;

The goal is achieved in that the device for magnetic recording and playback and introduced a series-connected frequency converter and a signal mixer connected between the time code input bus and the second path input for a .15 record-playback, and a signal separator connected in series, included between; f outgoing and retransmission and repetition output bus,

20 wherein the input bus of the information is connected to the input of the frequency converter, the drive of the logical form: in the control pulse bodies - to the input of the tap, and the output bus of the code

25 times - to the exit of the separator sig: Ngshov.

Claims (2)

The drawing shows one of the possible variants of the proposed device for magnetic recording and reproducing of information. . The device contains an input bus 1 of information connected to the input of the first path 2 of the recording-reproduction, consisting of an amplifier 3 recording connected by an output to the recording magnetic head 4, and a transmitting magnetic head 5 connected to the input of the amplifier in the product. The output of the first path (Record-reproduction {(it is connected to the first output bus 7 of information and connected via the shaper 8 of the fault output to the input of the logical control generator 9). The proposed device is coD (A certificate also connected in series to the converter. connected between the input bus 12 of the time code and the input BTOpord of the path 13 of the record-play. The second path 13 is recorded by reproducing with the STAND of the amplifier 14 of the drive connected by the output to the recording magnetic head 15, and In addition, the device includes a signal separator 18 connected in series and a switch 19 connected between the output of the second recording-playback path 13 and the second information output bus 20. In this case, the input bus 1 information is connected to the input of the frequency converter 10, the output of the logic driver 9 of the control pulse to the input of the key 19, and the output bus 21 of the time code to the output of the signal separator 18. In the device, the information signal is recorded and reproduced by the nepBfcw path 2 recorded reproduction. In addition, the information signal, after transferring its spectrum to the low-frequency region, is recorded and reproduced by the second recording-reproduction path 13, to which the code signal also arrives. In case of failure of the first recording-reproducing path 2, the failure signal generator 8 acts on the control logic logic driver 9, which opens j key 19. In this case, the information signal from the 18 signal splitter arrives at the second information bus 20: a time code signal is supplied to the output time line bus 21. The use of the invention significantly reduces the loss of information in the process of magnetic recording and reproduction. The invention The device for magnetic recording and playback, containing an input information bus connected to the input of the first recording / reproducing path / whose output is connected to the first of the output information buses and connected through a shaper of a fault signal to the input of a control logic driver, reproduction | Both the input and output time code buses, characterized in that, in order to reduce information loss during the magnetic recording and playback, A frequency converter connected in series and a mixer, signals connected between the input time code bus and the input of the second recording-playback path, and a serially connected signal splitter and a key connected between the output of the second recording-playback path and the second information output bus, the input information bus to the input of the frequency converter, the output of the logic driver of the control pulse to the input of the key, and the output bus of the time code to the output of the signal splitter . Sources of information taken into account in the examination 1. UK Patent No. 1446579, cl. G 5 R, 1973. 2.Patent of Great Britain About 145923.4, cl. G 5 R, 1976 (prototype).