JPH06259849A - Magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To reduce cost by using one recording magnetic head and one reproducing magnetic head which are inexpensive without using two expensive DCC recording/reproducing thin film magnetic heads and sharing the heads with two cassette tape recorder parts in a double cassette tape recorder. CONSTITUTION:A magnetic tape exposing surface 1c of a 1st tape cassette 1a and a magnetic tape exposing surface 1d of a 2nd tape cassette 1b are disposed opposite to each other. Then, a reproducing head assembly 3 and a recording head assembly 4 are disposed between the individual tape exposing surfaces, and also a 1st magnetic tape drawing out guide 5a and a 2nd magnetic drawing out guide 5b are provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention records various sub-codes on one auxiliary track among a plurality of tracks extending in the longitudinal direction of a signal recording tape, and records a plurality of other audio tracks on the other audio tracks. The present invention relates to a DCC (digital compact cassette) system having a multi-channel head for recording audio signals.

[0002]

2. Description of the Related Art A DCC system is disclosed, for example, in "Nikkei Electronics," September 2, 1991, pages 134 to 14.
As described on page 1, an audio signal is recorded in a digital system on a tape cassette of approximately the same size as an analog tape cassette in a conventional tape recorder, and a digitized audio signal is Data is compressed by a high-efficiency encoding process called PASC and recorded on an 8-channel audio track of a magnetic tape. Further, in the DCC system, signals such as time information and music number information are recorded on a 1-channel auxiliary track of a magnetic tape. Furthermore, the DCC system is compatible with the conventional analog tape cassettes, and the conventional analog tape cassettes and DCC
It is possible to record and play both tape cassettes.

FIG. 7 shows a head assembly 10 of a thin film magnetic head equipped in a DCC system, which corresponds to one side area of the magnetic tape 19 in the width direction and has a recording thin film multi-head 11 consisting of 9 channels each. And thin film multi-heads 12 for reproduction are arranged.

The thin film multi-head 11 for recording has an auxiliary head chip 13 in the uppermost stage and eight audio head chips 14 in the lower stage, and the thin film multi-head 12 for reproduction has an auxiliary head chip 15 in the uppermost stage. In addition, eight audio head chips 16 are provided in the lower stage. Further, the head assembly 10 is equipped with a pair of head chips 17 and 18 for reproducing an analog signal corresponding to the other side area of the magnetic tape 19. By rotating the head assembly 10 by 180 degrees, recording and reproduction can be performed on both sides A and B of the magnetic tape 19.

Note that the DCC defines the mounting direction of the tape, and the A surface and the B surface are uniquely determined depending on the traveling direction of the tape.

By the way, conventionally, a so-called double cassette tape recorder having two tape recorders (tape drive mechanism) mounted thereon is known. Such a double cassette tape recorder is, for example, a first tape recorder. A magnetic head for reproduction and a magnetic head for recording / reproduction in the second tape recorder are provided with magnetic heads for each of the two tape recorders.

However, in the case of the DCC system, the magnetic head is a multi-channel thin film magnetic head as described above and is very expensive, and such a thin film magnetic head is provided in each of the two tape recorder sections. What to do is
There is a problem that it leads to a significant cost increase.

[0008]

[Problems to be Solved by the Invention]

[0009]

In order to solve the above problems, according to the present invention, there is provided a magnetic recording / reproducing apparatus having a first tape recorder section and a second tape recorder section, wherein the first tape is used. Each of the tape cassettes is arranged with the magnetic tape exposed surface of the first tape cassette mounted on the recorder section and the magnetic tape exposed surface of the second tape cassette mounted on the second tape recorder section facing each other. In addition, a reproducing magnetic head provided between the magnetic tape exposed surfaces of the tape cassettes, a recording magnetic head provided with the reproducing magnetic heads, and the magnetic tape exposed surface of the first tape cassette. A first magnetic tape pull-out guide member for further pulling out the magnetic tape; and the second magnetic tape pull-out guide member.
And a second magnetic tape pullout guide member for pulling out the magnetic tape from the exposed surface of the magnetic tape of the tape cassette.

[0010]

With the above construction, the first and second tape recorder sections share one reproducing magnetic head and one recording magnetic head to use the tapes in the respective tape recorder sections. It is possible to record and play back to a cassette.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

First, FIGS. 5 and 6 show a thin film magnetic head used in the present invention. In both figures, the same parts as those of the conventional thin film magnetic head are designated by the same reference numerals.

FIG. 5 shows the conventional head assembly 10 shown in FIG. 7, except that the reproducing thin-film multi-head 12 is omitted, and a pair of head chips 20, 2 for recording an analog signal.
1 is provided.

On the other hand, FIG. 6 shows a conventional head assembly 10.
The recording thin film multi-head 11 is excluded from the above.
Hereinafter, the thin film magnetic head of FIG. 5 will be referred to as a recording head assembly 4 and the thin film magnetic head of FIG. 6 will be referred to as a reproducing head assembly 3.

As described above, by simplifying the structure as compared with the conventional thin film magnetic head, the unit price of the head assembly can be significantly reduced. That is, when the number of layers of the thin-film magnetic head increases, the number of manufacturing processes increases and the cost increases, and it becomes difficult to align the recording thin-film multi-head 11 and the reproducing thin-film multi-head 12.

Next, FIG. 1 is a diagram showing a main part of a double cassette tape recorder to which the present invention is applied. In the figure, A is a first tape recorder section and B is a second tape recorder section). Reference numerals 1a and 1b denote a first DCC tape cassette and a second DCC tape cassette, 2a and 2b are reels of the respective DCC tape cassettes, 3 is the reproducing head assembly shown in FIG. 6, and 4 is the reproduction head assembly shown in FIG.
The recording head assembly 5a and 5b shown in FIG.
Magnetic tape pull-out guide and second magnetic tape pull-out guide, 6a, 6b, 7a, 7b are fixed tape guides of each tape recorder, 8a and 8b are capstans of each tape recorder, and 9a and 9b are each tape recorder. Represents a pinch roller.

According to the present invention, the magnetic tape exposure surface 1c and the magnetic tape exposure surface 1d of two DCC tape cassettes are arranged to face each other, and the reproducing head assembly 3 and the recording head assembly are disposed between the magnetic tape exposure surfaces. 4 is arranged, and further the first magnetic tape pull-out guide 5
The first DC mounted on the first tape recorder unit A by a.
The magnetic tape 19 of the C tape cassette 1a is guided to the reproducing head assembly 3 or the recording head assembly 4, and the magnetic tape of the second DCC tape cassette 1b mounted on the second tape recorder section B by the second magnetic tape pull-out guide 5b. It is characterized in that 19 is led to the recording head assembly 4 or the reproducing head assembly 3.

FIG. 1 shows a state in which the first tape recorder section A and the second tape recorder section B are stopped (hereinafter referred to as mode 1). The magnetic tape 19 is in a state of being housed in the first DCC tape cassette 1a and the first DCC tape cassette 1b, and in this mode, the reels 2a and 2b.
By driving, the tape can be fast forwarded and rewound.

Next, FIG. 2 shows the first tape recorder section A in a reproducing state (hereinafter, mode 2) and the second tape recorder section B in a recording state (hereinafter, mode 3).

First, the first tape recorder section A will be described. The magnetic tape 19 in the first DCC tape cassette 1a is pulled out from the first DCC tape cassette 1a by the first magnetic tape pull-out guide 5a, and the fixed tape guide 6a, The magnetic tape 19 is pressed against the reproducing head assembly 3 by being regulated by 7a. The magnetic tape 19 is driven at a constant speed by the capstan 8a and the pinch roller 9a. The reverse of the tape running direction is performed by reversing the rotating direction of the capstan 8a.

In the second tape recorder section B, the magnetic tape 19 of the second DCC tape cassette 1b is pressed against the recording head assembly 4 and the capstan 8 is inserted.
It is driven at a constant speed by b and the pinch roller 9b. In this state, the first tape recorder unit A is in the reproducing state,
Since the tape recorder unit B is in the recording state, it is possible to copy from the first tape recorder unit A to the second tape recorder unit B.

It should be noted that, regardless of dubbing, while the first tape recorder A reproduces music, the second tape recorder B records the source from a device such as a tuner (not shown). Good.

Next, FIG. 3 shows a state in which the second tape recorder section B is in a stopped state (mode 1) and the first tape recorder section A is recording (mode 3). First
In the tape recorder unit A, the magnetic tape 19 is further pulled out by the first magnetic tape pull-out guide 5a from the state of the mode 2 and is pressed against both the reproducing head assembly 3 and the recording head assembly 4. . Therefore, in this state, the recording operation is performed in the first tape recorder unit A.

Further, FIG. 4 shows a state in which the first tape recorder section A is in a stopped state (mode 1) and the second tape recorder section B is reproducing (mode 2). Second
In the tape recorder unit B, the magnetic tape 19 is further pulled out by the second magnetic tape pulling-out guide 5b from the state of the mode 2, and is pressed against both the reproducing head assembly 3 and the recording head assembly 4. Therefore, in the mode 4, the second tape recorder section B is in a state capable of reproducing operation.

By constructing the tape drive mechanism as described above, the first tape recorder section A and the second tape recorder section B have one reproducing head assembly 3 and one reproducing head assembly.
The individual recording head assemblies 4 are shared, and not only recording and reproduction can be performed by each tape recorder unit, but also dubbing from the first tape recorder unit A to the second tape recorder unit B is possible.

[0026]

As described above in detail, according to the present invention, there is provided a magnetic recording / reproducing apparatus having a first tape recorder section and a second tape recorder section, wherein the first tape recorder section is provided. The magnetic tape exposed surface of the first tape cassette mounted on the first tape cassette and the magnetic tape exposed surface of the second tape cassette mounted on the second tape recorder are arranged to face each other, and A reproducing magnetic head provided between the magnetic tape exposed surfaces of the respective tape cassettes, a recording magnetic head provided with the reproducing magnetic head, and a magnetic tape from the magnetic tape exposed surface of the first tape cassette. A first magnetic tape pull-out guide member for pulling out the tape, and a second magnetic tape for pulling out the magnetic tape from the exposed surface of the magnetic tape of the second tape cassette. Since it is provided with the drawer guide member, the recording magnetic head and the reproducing magnetic head can be shared by the two tape recorder units, one by one, so that the recording and reproducing operations can be performed in each tape recorder unit. In addition to being possible, the dubbing operation from the first tape recorder section to the first tape recorder section is possible, which is extremely useful.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a magnetic recording / reproducing apparatus of the present invention.

FIG. 2 is a diagram showing an operation of the magnetic recording / reproducing apparatus of the present invention.

FIG. 3 is a diagram showing an operation of the magnetic recording / reproducing apparatus of the present invention.

FIG. 4 is a diagram showing an operation of the magnetic recording / reproducing apparatus of the present invention.

FIG. 5 is a diagram showing a recording head assembly used in the present invention.

FIG. 6 is a diagram showing a reproducing head assembly used in the present invention.

FIG. 7 is a diagram showing a conventional recording / playback head assembly.

[Description of Reference Signs] A first tape recorder section B second tape recorder section 1a First DCC tape cassette 1b Second DCC tape cassette 1c Magnetic tape exposed surface 1d Magnetic tape exposed surface 2a Reel 2b Reel 3 Playback head assembly 4 Recording head Assembly 5a First magnetic tape pull-out guide 5b Second magnetic tape pull-out guide 6a Fixed tape guide 6b Fixed tape guide 7a Fixed tape guide 7b Fixed tape guide 8a Capstan 8b Capstan 9a Pinch roller 9b Pinch roller 10 Head assembly 11 Recording thin film Multi-head 12 thin film multi-head for reproduction 13 auxiliary head chip 14 audio head chip 15 auxiliary head chip 16 audio head chip 17 head chip for analog signal reproduction 18 head chip for the head chip 21 analog signal recording head chip 19 the magnetic tape 20 analog signal recording analog signal reproduced

Claims (1)

[Claims] 1. A magnetic recording / reproducing apparatus comprising a first tape recorder section and a second tape recorder section, wherein a magnetic tape of a first tape cassette mounted on the first tape recorder section is exposed. And the magnetic tape exposed surface of the second tape cassette mounted on the second tape recorder portion are arranged to face each other, and the tape cassettes are arranged between the magnetic tape exposed surfaces of the respective tape cassettes. Reproduction magnetic head, recording magnetic head provided with the reproduction magnetic head, and first magnetic tape pull-out guide member for pulling out the magnetic tape from the exposed magnetic tape surface of the first tape cassette. And the second
And a second magnetic tape pullout guide member for pulling out the magnetic tape from the exposed surface of the magnetic tape of the tape cassette.