JPH04243012A - Magnetic recording reproducing device - Google Patents

Abstract

PURPOSE:To provide a magnetic recording/reproducing device provided with a good automatic head cleaning device. CONSTITUTION:The above device consists of a cleaning means 6 for rotary head, means 5 to identify mounting of a cassette, use time counting means 3 which records the total contact time of the head and the tape, and a cleaning operating means 7. With this constitution, when the total time for the tape in contact with a head during recording, reproducing, fast forwarding, rewinding, etc., exceeds the predetermined time, the head is automatically cleaned.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic recording/reproducing apparatus using a rotary head, and more particularly to a magnetic recording/reproducing apparatus equipped with an automatic head cleaning device.

0002

2. Description of the Related Art A block diagram of a magnetic recording/reproducing apparatus equipped with a conventional automatic head cleaning device is shown in FIG.

In the conventional automatic head cleaning device, first, when a cassette 8 is inserted into the magnetic recording/reproducing device 10, the cassette insertion sensor 5 recognizes this and notifies the system controller 4 that the cassette has been inserted.

Next, the system controller 4 sends a signal to the cleaning roller drive circuit 7, and the cleaning roller drive circuit 7 brings the cleaning roller 6 into contact with the cylinder 1 for several seconds to clean the heads 2a and 2b. .

[0005]

[Problems to be Solved by the Invention] In a magnetic recording/reproducing device equipped with such a conventional automatic head cleaning device, the head is cleaned every time a tape is inserted, which shortens the life of the cleaning roller and even causes the life to run out. Continuing to use the head as it is has the problem of causing damage to the head itself.

The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a magnetic recording/reproducing apparatus equipped with a good automatic head cleaning device.

[0007]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a rotating head cleaning means, a cassette installation confirmation means, a usage time calculation means for storing the total contact time of the head tape, and a cleaning operation. It comes with the means.

[0008]

[Operation] With the above-described structure, the present invention automatically cleans the head when the total time during which the tape is in contact with the head during playback, recording, fast forwarding, rewinding, etc. exceeds a predetermined time.

[0009]

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

FIG. 1 shows a block diagram of a magnetic recording/reproducing apparatus equipped with an automatic head cleaning device according to an embodiment of the present invention.

In FIG. 1, 1 is a cylinder, 2a and 2b are heads, 3 is a magnetic head usage time calculation timer, 4 is a system controller, 5 is a cassette insertion confirmation sensor, 6 is a cleaning roller, and 7 is a cleaning roller drive circuit. , 8 is a cassette, 9 is a tape, 10 is a magnetic recording/reproducing device, and 11 is an operation panel.

The mutual relationship and operation of each component of the automatic head cleaning and reproducing device in the magnetic recording and reproducing apparatus of this embodiment, which includes the above-mentioned components, will be explained.

First, when using the magnetic recording/reproducing device 10, the system controller 4 measures the time the tape 9 is in contact with the heads 2a, 2b based on input from the operation panel 11, and sets the magnetic head usage time calculation timer. Add the usage time to 4.

Next, the cassette 8 is inserted into the magnetic recording/reproducing device 10.
When the cassette 8 is inserted, the cassette insertion confirmation sensor 5 recognizes this and notifies the system controller 4 that the cassette 8 has been inserted into the magnetic recording/reproducing apparatus 10. The system controller 4 determines whether the data of the magnetic head usage time calculation timer 3 exceeds a predetermined reference value. If the predetermined reference value is exceeded, the heads 2a and 2b may be clogged, so the system controller 4 sends a signal to the cleaning roller drive circuit 7, and the cleaning roller drive circuit 7 The cleaning roller 6 is brought into contact with the cylinder 1. Then, after a certain period of time has elapsed, the system controller 4 notifies the cleaning roller drive circuit 7 to separate the cleaning roller 6 from the cylinder 1, and ends the process.

The magnetic recording/reproducing device 10 also includes a cassette 8.
When the cleaning roller 6 is inserted, unless the data of the magnetic head usage time calculation timer 3 exceeds a predetermined reference value, the cleaning roller 6 does not operate.

As described above, according to this embodiment, by providing a usage time calculation timer, the head is cleaned when a predetermined time has elapsed, and the cleaning roller is not cleaned every time a cassette is inserted, so that the life of the cleaning roller can be greatly extended. Can be done.

[0017]

Effects of the Invention As described above, the present invention provides a magnetic head usage time calculation timer so that the head is not cleaned every time a cassette is inserted, but is cleaned when a predetermined time elapses, thereby reducing the lifespan of the cleaning roller. Therefore, it is possible to provide a magnetic recording and reproducing device equipped with an automatic head cleaning device that has a long service life.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a magnetic recording and reproducing device equipped with an automatic head cleaning device according to an embodiment of the present invention.

[Figure 2
] Block diagram of a magnetic recording/reproducing device equipped with a conventional automatic head cleaning device

[Explanation of symbols]

2a, 2b Head 3 Magnetic head usage time calculation timer 4 System controller 5 Tape insertion confirmation sensor 6 Cleaning roller 7 Cleaning roller drive circuit 8 Cassette 9 Tape

Claims (1)

[Claims] 1. A cleaning means for cleaning a rotating head; a cassette attachment confirmation means for detecting attachment of a cassette to a device and emitting an attachment signal; A magnetic recording/reproducing apparatus comprising: a use time calculation means for generating an elapsed signal; and a cleaning operation means for receiving the elapsed signal and the attachment signal and bringing the cleaning means into contact with the rotary head for a required period of time for cleaning.