JPS6128248Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a recording/reproducing apparatus, and more particularly to a recording/reproducing apparatus capable of simultaneously recording or reproducing a plurality of signals on a carrier.

Regarding conventional flexible magnetic carriers, there is a known carrier recording/reproducing device in which a multi-purpose magnetic head is fixedly disposed on the carrier as shown in FIG. 1 to record or reproduce multiple tracks at the same time. be.

That is, in FIG. 1, a carrier 1 has a multi-purpose magnetic head 3 fixed above or below the carrier 1 in order to record or reproduce a plurality of concentric tracks 2, and a plurality of magnetic gaps 4 to record or reproduce the plurality of tracks 2. It is configured to simultaneously record or reproduce.

However, with this configuration, the heads must be arranged throughout the radial direction of the carrier and a head gap must be constructed according to the number of tracks, so the track density is determined by multiple magnetic heads, making it difficult to increase the track density. The multi-magnetic head also has the disadvantage of being expensive. Therefore, it is conceivable to move the multi-magnetic head in the radial direction of the carrier.

In this way, multiple track scans can be performed simultaneously with one relatively inexpensive multi-magnetic head.

With such a configuration, for example, when reproducing one track, the movement accuracy can be made rougher than when moving the magnetic head of one track in the radial direction of the carrier, thereby increasing the accuracy of the means for moving the magnetic head. There will be no need.

That is, in a one-track magnetic head, if the track width is 1 .mu., a means for moving the magnetic head with a feed accuracy of 1 .mu. is required.

On the other hand, in the present invention, if the track width is set to, for example, 200 μm and the multi-magnetic head has a gap of 10 tracks, the amount of movement required to move the multi-magnetic head in the radial direction of the carrier is is 2 mm, so there is no need to increase the movement accuracy.

A magnetic carrier showing one embodiment of the present invention will be described in detail with reference to FIG. 2 below. Although the same parts as in FIG. will be moved to In this case, if the multi-magnetic head 3 is moved in synchronization with the rotation of the carrier 1, the multi-magnetic head records or reproduces data in a spiral manner as shown in FIG.

The device shown in FIG. 3 records or reproduces signals concentrically, and a multi-magnetic head 3 can simultaneously record or reproduce a plurality of signals.

An example of such a carrier drive mechanism will be described with reference to FIG. 4. The carrier 1 is placed on a turntable 6 and fixed by a clamp 7. As shown in FIG.

The turntable 6 has a shaft 8 extending downward, and the turntable 6 is supported by a bearing 10.
A flywheel 11 is fitted to the lower end of the shaft 8,
It is driven by a drive motor 12.

On the other hand, in the magnetic head 3, a worm 14 for moving in the radial direction of the carrier 1 is arranged at the lower end of the carrier 1, and a drive motor 12 → idler 15 → worm gear shaft 1
The magnetic head 3 is moved in the radial direction of the carrier along the path 6→worm gear 14→worm 5'.

FIG. 5 shows each element 3a, 3 of the magnetic head 3.
The signals extracted from b and 3c are transmitted to amplifiers 13a and 3c.
In addition to signals 13b and 13c, only one of the signals taken out simultaneously from multiple tracks 2 is selected by the switch 17, and then sent to the output terminal 1 via the power amplifier 18 etc.
In addition to 9, sound is emitted from a speaker or the like.

In this way, only one piece of information can be selected from a plurality of pieces of information and sent out, which is extremely convenient for splicing information together.

Furthermore, as shown in FIG.
b, 13c, 13d → power amplifiers 18a, 18
b, 18c, 18d→speakers 20a, 20b,
For example, emit sound simultaneously through 20c and 20d.
It can be used for channel reproduction, etc.

In the above embodiment, reproduction has been described, but it is clear that similar operations can be performed for recording, etc.

With such a structure of the carrier, as mentioned at the beginning, the feeding pitch of the multi-magnetic head 3 can be made coarser, so there is no need to increase the accuracy by that much, and any information can be selected from multiple pieces of information and recorded. It has effects such as being able to be regenerated.

In the above embodiments, a magnetic carrier was described, but it is clear that the recording or reproducing method of the present invention can also be applied to general audio records, PCM video disks, etc.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a conventional carrier, Fig. 2 is a plan view of a carrier showing one embodiment of the present invention, Fig. 3 is a plan view of a carrier showing another embodiment of the present invention, and Fig. 4 is a plan view of a carrier showing another embodiment of the present invention. A schematic diagram of the driving device of the present invention, FIGS. 5 and 6 are system diagrams showing circuit diagrams of the present invention. 1 is a carrier, 2 is a track, 3 is a head, 4 is a gap, 5 and 5' are screw rods or worms, and 12 is a drive motor.

Claims (1)

[Scope of utility model registration request] A plurality of read/write means for reading or writing placed on a moving means capable of moving in the radial direction of the carrier are successively arranged corresponding to a plurality of adjacent data tracks of the carrier, and the read/write means are A recording and reproducing device which moves continuously in the radial direction of the carrier and reproduces outputs from a plurality of reading and writing means arranged in succession simultaneously or sequentially by simultaneously reading out outputs from the reading and writing means. .