JPH04216314A - Magnetic recording and reproducing device - Google Patents

Abstract

PURPOSE:To remove accumulated dirt or dust on the surface of a fixed head by providing a cleaning member on a base 12 which moves relatively to the fixed head. CONSTITUTION:Magnetic recording and reproducing is performed by allowing a magnetic tape 5 to abut on the fixed head 6 by the base 12 which moves relatively to the head 6. The cleaning member 14 is provided on the base 12 and the surface of the head 6 is cleaned by the member 14 when the base 12 relatively moves and before the tape 5 abuts on the head 6, so that the accumulated dirt or dust on the surface of the head 6 is removed, and excellent recording and reproducing is always performed.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic recording and reproducing device equipped with a cleaning means for removing dirt and dust adhering to a fixed head for recording and reproducing audio signals, synchronization signals, etc. on a magnetic tape.

0002

[Prior Art] In recent years, magnetic recording and reproducing devices (hereinafter referred to as VTRs)
) are widely used for consumer, commercial, and broadcasting purposes. In particular, a camera-integrated VTR that is integrated with an imaging device is convenient to carry, so it can be used for broadcasting for news gathering, and for home use for travel and recreation.
All of them are often used outdoors.

FIG. 3 shows the appearance of a conventional camera-integrated VTR. A magnetic tape cassette 2 is inserted into a main body 1 of a VTR through a mounting opening A and mounted thereon.

FIG. 4 shows the manufacture of a magnetic tape running system inside a VTR. The magnetic tape 5 comes out from the reel 11 of the cassette 2, is guided by a plurality of guide pins 7, is driven by a capstan 8 and a pinch roller 9, and is moved to the cylinder 4.
Driving during the current season.

[0005]

[Problems to be Solved by the Invention] When such conventional magnetic recording devices are used outdoors, powdery substances such as dust and dirt in the air can get onto the surface of the magnetic tape or the cassette, as shown in 3 in Figure 3. adhere to. Powder also enters into the VTR main body through openings such as the insertion slot, gaps, and the like. Powdered materials such as dirt and dust are transported into the traveling system by the magnetic tape, as shown by B in FIG. Most of these powders are removed by the guide post, fixed head 6 and other contact parts, but gradually accumulate on the fixed head 6. As a result, there is a problem in that spacing loss and clogging occur, resulting in incomplete recording and reproducing operations.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a magnetic recording/reproducing device equipped with a cleaning device for removing attached dirt, dust, and the like.

[0007]

[Means for Solving the Problems] In order to solve the above problems, the present invention provides a recording and reproducing apparatus having a fixed head for recording and reproducing signals on a magnetic tape, in which a cleaning member that moves relative to the fixed head is fixed. A magnetic recording/reproducing device is provided with a cleaning attachment for removing deposits from the surface of a head.

[0008]

[Operation] According to the above structure, the cleaning member moves on the fixed head surface to remove deposits from the surface, and the operation of the cleaning device is linked to the operation of attaching the magnetic tape to the running system. The head is cleaned each time a magnetic tape is loaded.

[0009]

Embodiments (Embodiment 1) Hereinafter, a magnetic recording/reproducing apparatus according to an embodiment of the present invention will be explained with reference to FIG.

FIG. 1 shows the structure of the peripheral portion of a fixed head in a magnetic recording/reproducing apparatus according to an embodiment of the present invention. In the figure,
Base 1 on which the magnetic tape 5 is moved and attached in the direction of arrow C
A cleaning member 14 is fixedly or detachably attached to the holding table 13 at 2.

To explain the operation in the above configuration, when the base 12 moves in the direction of arrow C and the guide post 7 brings the magnetic tape 5 into contact with the fixed head 6, before the magnetic tape contacts the fixed head, The cleaning member 14 slides on the surface of the fixed head and removes dirt and dust attached to the surface of the fixed head.

(Embodiment 2) A magnetic recording/reproducing apparatus according to a second embodiment of the present invention will be described below with reference to FIG. FIG. 2 shows the structure of the peripheral portion of a fixed head in a magnetic recording/reproducing apparatus according to a second embodiment of the present invention. In the figure, a rotatable lever 17 is provided around a fulcrum 16 and a base 15 for moving the magnetic tape 5 into contact with the fixed head 6, and a cleaning member 19 and the base 15 come into contact with the tip of the lever. Engagement part 18 in contact with
will be established. Further, a spring 22 is provided which is held at a fulcrum 21 and biases the lever 16 in a direction opposite to the moving direction of the base 15.

To explain the operation in the above configuration, when the base 15 moves to bring the magnetic tape 5 into contact with the fixed head 6, the base 15 uses the engaging portion 18 to move the lever 17 to the fulcrum 16.
The cleaning member 19 held at the tip of the cleaning member 19 moves while sliding on the surface of the fixed head 6 to remove dirt and dust. At this time, by setting the movement locus 20 of the cleaning member 19 to approximate the traveling path of the magnetic tape 5, the cleaning member is scanned in a manner approximating the surface on which the magnetic tape slides, thereby effectively cleaning. can do. When the magnetic tape is separated from the running system, it is automatically returned to the initial position by the bias of the spring 22.

As described above, according to the magnetic recording/reproducing apparatus of the embodiment of the present invention, a cleaning member is provided that moves relative to the fixed head in conjunction with the magnetic tape mounting operation, so that the magnetic tape comes into contact with the fixed head. By providing a magnetic recording and reproducing device including a cleaning device in which the cleaning member slides and cleans the head surface at the front thereof,
The surface of the fixed head is cleaned every time a magnetic tape is loaded, and a magnetic recording/reproducing device that does not operate incompletely due to the accumulation of dirt and dust can be obtained.

[0015]

As is clear from the above embodiments, the present invention provides a cleaning member that moves relative to the fixed head, and the cleaning member slides on the head surface before the magnetic tape comes into contact with the fixed head. By using a magnetic recording and reproducing device equipped with a cleaning device that moves while cleaning, dirt and dust on the surface of the fixed head can be removed, and a magnetic recording and reproducing device that does not operate incompletely due to the accumulation of dirt and dust can be obtained. Furthermore, by linking the magnetic tape mounting operation with the magnetic tape mounting operation, the surface of the fixed head can be cleaned every time a magnetic tape is mounted.

[Brief explanation of the drawing]

FIG. 1 is a top view showing the configuration of a cleaning device in a magnetic recording/reproducing device according to a first embodiment of the present invention.

FIG. 2 is a top view showing the configuration of a cleaning device in a magnetic recording/reproducing device according to a second embodiment of the present invention.

[Figure 3] Camera-integrated VT
A perspective view showing the configuration of R

[Fig. 4] A plan view showing the configuration of the peripheral portion of a fixed head in a conventional magnetic recording/reproducing device.

[Explanation of symbols]

6 Fixed head 14 Cleaning member (cleaning device that moves relative to the fixed head)

Claims (2)

[Claims] 1. A recording/reproducing device having a fixed head for recording and reproducing signals on a magnetic tape, wherein a cleaning member that moves relative to the fixed head is provided with a cleaning device for removing deposits from the surface of the fixed head. Magnetic recording and reproducing device. 2. The cleaning device according to claim 1, wherein the operation of the cleaning device is linked to the operation of mounting the magnetic tape on its running system, and operates in advance before the magnetic tape comes into contact with the fixed head. magnetic recording and reproducing device.