JPH0191354A - Tape recorder device - Google Patents

Abstract

PURPOSE:To simplify a tape drawing-out mechanism by moving a tape guiding means to a prescribed position by moving a control slider by the rotation of a control cam and at the same time, moving a tape driving mechanism to the prescribed positioned by the rotation of the control cam. CONSTITUTION:The lid L of a DAT cassette DC is opened and a tape guide roller 403, guide pins 404, 407a, 408a and a pinch roller 409 are arranged inside a tape surface and besides, a reel shaft 402 is engaged with a hub hole H. Afterward, the control cam 601 is rotated in the direction of an arrow mark d and the slider 602 is moved in the direction of the arrow mark E by this and the position regulation pin 610a of a rotary link arm 610 is moved along a control guide hole 606 accompanied with this movement and a tape guiding member 405 is moved to a cylinder drum 200 side. Besides, the guide pin 407a is pushed and rotated by the movement of the tape guiding member 405. Besides, the position regulation pin 617 of a guiding arm 408 is abutted with the cam surface 608 of the control slider 602 and is rotated to a capstan shaft 103 side.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial use portion) The present invention relates to a tape recorder device.

(Prior Art) In recent years, tape recorder devices that record and play back audio/visual video cassette tapes have become popular. ) tape recorder devices that are capable of recording and reproducing digital signals have appeared.

The above-mentioned bending AT cassette is approximately 172 times the size of a conventional compact cassette tape, and has a lid and a slider on the cassette body.The lid covers the tape surface, and the slider covers the hub hole, allowing it to be used in tape recorder devices. When the cassette is not set, it has a sealed structure to prevent dirt and dust from entering the cassette, which can cause dropouts in digital recording.

When this DAT cassette is set in a tape recorder device, the slider is moved to expose the hub hole, the lid is opened and the tape is engaged with the guides and rollers, and the tape is rotated by these guides and rollers. It is wrapped around the head drum for digital recording and playback.

Therefore, in the tape recorder device described above, D A
A loading mechanism is used to automatically set the T cassette on the rotating head drum.

This loading tR case is D A '? ``By inserting the cassette into the cassette insertion slot of the tape recorder main body, the DAT cassette is attached to the cassette holder, and the DAT cassette attached to this cassette holder moves on the drive 6M provided inside the tape recorder. The slider is first moved in the opening direction, then the lid is opened, and then the cassette holder is lowered and the DAT
A cassette is attached to the drive mechanism. From this state, the tape is pulled out by guides and rollers and wound around the rotating head drum to perform digital recording and playback.

(Problems to be Solved by the Invention) Incidentally, in the tape recorder device using the above-mentioned DAT cassette, the tape of the DAT cassette is wound around the rotating head drum by a drive mechanism equipped with guides, rollers, etc. Since the drive mechanism is constructed by combining a plurality of drive mechanisms including rollers and the like, the mechanism is complicated and the control of timing etc. is complicated, which is disadvantageous in terms of cost. Further, since the above-mentioned mechanism is complicated, it has been difficult to effectively miniaturize the device.

The present invention has been made in view of the above-mentioned problems, and provides a tape recorder device that can simplify the tape pull-out mechanism, reduce costs, and reduce the size and thickness of the device body. The purpose is to

[Structure of the Invention (Means for Solving Problems)] In order to achieve the above-mentioned object, the present invention provides a tape recorder device that pulls out a tape of a cassette/soto tape from a cassette half and records and plays back the tape using a rotating head. , a tape guide means for pulling out the tape of the cassette tape and guiding the tape, a tape driving means for pulling out the tape of the cassette tape and driving the tape, and a control slider for controlling the movement of the tape guide means. , a link means for connecting the control slider and the tape guide means, and a control cam for moving the control slider and the tape drive means and controlling their positions.

(Function) And the present invention controls the control slider by the rotation of the control cam?
By moving the tape guide means to a predetermined position, the tape drive means is moved to a predetermined position by rotation of the control cam, which simplifies the tape pull-out mechanism and reduces costs. This allows the device body to be made smaller and thinner.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Fig. 1 is a partially omitted plan view for explaining a tape recorder device according to an embodiment of the present invention, Fig. 2 is a partially omitted side view of Fig. 1, and Fig. 3 is a tape pull-out mechanism. FIG. 4 is a partially sectional front view of FIG. 3.

In these figures, 100 indicates the main chassis. On this main chassis 100, a cylinder drum 200 having a head, a loading machine fJ30
0, drive system sub-chassis 400, cassette holder 500
, a tape pull-out mechanism 600 is provided.

The cassette boulder 500 has a cassette mounting portion 501 for mounting a DAT cassette, and claws 502 and 502 for opening the slider of the DAT cassette. Further, on both sides of the cassette holder 500, there are guide bins 503 and 50 that regulate the position of the cassette holder 500.
3... is provided.

The loading A-type 300 is provided with fixed guide plates 301 and 301 on the main chassis 100 at predetermined intervals. This fixed guide plate 301 is formed with guide holes 302, 302, . . . through which each guide bin 503 of the cassette holder 500 is inserted. The fixed guide plate 301 is also provided with fixed guide bins 303.303 and position regulating elongated holes 304.304. The fixed guide bin 303.303 has a long slide hole 306°306 formed in the subchassis guide slider 305.
is engaged. Subchassis guide slider 305
, there is a position regulating slot 3 formed in the fixed guide plate 301.
Subchassis movement elongated hole 307.307 related to 04
A drive bin 308 driven by a gear described later is also formed. Fixed guide plate 301
is provided with a gear fixed shaft 309, and a loading gear 310 is rotatably disposed on this gear fixed shaft 309. This loading gear 310 is driven in a predetermined manner by a drive motor (not shown). A control protrusion 311 is formed on the loading gear 319, and the control protrusion 311 moves the drive bin 308 of the subchassis guide slider 305 described above, and the slider 305 is moved in the horizontal direction.

Further, as shown in FIG. 3, a rotary link plate 312 is rotatably attached to the gear fixed shaft 309 between the fixed guide plate 301 and the loading gear 310. , an arm 313 is rotatably attached, and the tip of the arm 313 is engaged with a predetermined guide bin 503 of the cassette holder 500 described above.

Further, a convex portion 314 is formed at the tip of the rotary link plate 312 so as to be pressed against the control protrusion 311 of the loading gear 310 by a coil spring 315 to lock the rotation relative to the loading gear 310.

The drive system sub-chassis 400 includes a loading mechanism 300
The fixed guide plates 301 and 301 are arranged between the fixed guide plates 301 and 301 on both sides of the drive system sub-chassis 400.
Engagement pins 401 and 401 are provided to be engaged with the position regulating elongated hole 304 of the subchassis guide slider 305 and the subchassis moving elongated hole 307 of the subchassis guide slider 305. The drive system sub-chassis 400 is provided with reel shafts 402 and 402 that are engaged with and driven by the hub hole of the DAT cassette.

Further, the drive system sub-chassis 400 is provided with a control cam 601 and a control slider 602 that constitute the tape pull-out mechanism 600. The control cam 601 is formed with control grooves 603a and 603b for controlling various movements, and the control cam 601 is provided with a drive a (not shown).
It is driven and rotated by m. The control slider 602 includes an engagement pin 604 that is engaged with and controlled by the control groove 603a of the control cam 601, and a guide hole 605 into which a guide pin 400a formed on the sub-chassis 400 is inserted and for regulating the sliding direction. 605..., control guide holes 606 and 606 for controlling the movement and position of the tape guide member, which will be described later, and control cams 607 and 607, respectively, for controlling the movement and position of the dension arm, which will be described later.
608 is provided.

On the drive system sub-chassis 400, there is a tape drawer f.
The main chassis 100 includes a tape guide roller 403 and a tape guide bin 404 forming a main chassis ii600.
A guide hole 10 formed in a guide plate 101 provided in
tape guide member 405.405 moved along 2
is being cast. Tape guide member 405 is rotatably coupled to arm 609, which is coupled to rotating link arm 610. The rotary link arm 610 is biased by a coil spring 611 in the direction of moving the tape guide member 405 to the cylinder drum 200, and the end of the rotary link arm 610 has an iI
Position regulation bottle 610a inserted into Im guide hole 606
is formed.

Further, the sub-chassis 400 is formed with a tension arm 406 having a tension pin 406a that applies a predetermined tension to the tape when the tape is wound around the cylinder drum 200. tension arm 4
A predetermined urging force is applied to the end of the 06 by a spring 612, and a $ control band 613 for controlling the above-mentioned urging force is connected, and a part of this ll911 band 613 is attached to the reel shaft-102. It is wrapped.

Further, the sub-chassis 400 is provided with six guide arms 407 and 408 in which guide bins 407a and 408a forming a Daeg traveling system are formed.
7 is biased by a coil spring 614 in the direction in which the guide bin 407a comes into contact with the tape guide member 405, and a control slider 6 is provided at the end of the guide arm 407.
Position regulating bin 61 that comes into contact with the control cam surface 607 of 02
5 is formed. Further, the guide arm 408 is formed in an arc shape surrounding a pinch roller to be described later, and the guide pin 408a of the guide arm 408 is urged by a coil spring 616 toward the capstan shaft 103 side. At the end of the guide arm 408 there is a control slider 6
Position regulating bin 617 that comes into contact with the control cam surface 608 of 02
is formed.

Further, the sub-chassis 400 is provided with a pinch roller arm 410 that rotatably supports a pinch roller 409 for driving the tape.

The pinch roller arm 410 is urged toward the capstan shaft 103 by a spring 411, and a position regulating pin 618 is formed at the end of the pinch roller arm 410. The position of the position regulating bin 618 is controlled by a control stopper 603b of the control cam 601, and the control cam 601 is driven by a drive mechanism (not shown), so that the pinch roller 409 is connected to a capstan provided on the main chassis 100. It is brought into contact with the shaft 103 via the tape and drives the tape.

The operation of the tape recorder device configured in this way will be explained.

First, as shown in FIG. 1, the DAT cassette DC is mounted on the cassette holder 500. And at this time DA
A slider (not shown) of the T-cassette DC is opened by the claw 502 of the cassette holder 500. The loading mechanism 300 is then activated and the loading gear 310
is rotated in the direction of arrow A1. At the same time, the rotating link plate 312 connected by a spring is also rotated in the direction of arrow A1. As a result, the guide bin 503 of the cassette holder 500 engaged with the arm 313 is moved in the direction of arrow B1 along the guide hole 302 of the fixed guide plate 301, the cassette holder 500 is moved, and the D A 'f' cassette DC is moved to a predetermined position on the drive system subchassis 400. Thereafter, when the loading gear 310 is further rotated in the direction of the arrow A1, the guide bin 503 of the cassette holder 500 is lowered in the direction of the arrow C1 along the guide hole 302 of the fixed guide plate 301, and the loading gear 310 is controlled. The protrusion 311 is engaged with the drive pin 308 of the subchassis guide slider 305. As a result, the subchassis guide slider 305 moves toward the arrow B2.
The engaging pin 401 of the drive system sub-chassis 400 is guided by the sub-chassis movement elongated hole 307 and the position regulating elongated hole 304 and rises in the direction of arrow C26. In this state, the engagement pin 401 of the drive system sub-chassis 400 is shown in FIG. Like, D A T
The lid L of the cassette DC is opened and the tape guide roller 403 and guide bins 404 and 407 are placed inside the tape surface.
a, 408a and a pinch roller 409 are arranged, and a reel 111402 is engaged with the hub hole H.

Thereafter, the ¥11 cam 601 is rotated in the direction of the arrow. This causes the control slider 60 to move as shown in FIG.
2 is moved in the direction of arrow E, and with this movement, the position regulating bin 610a of the rotating link arm 610 is moved to 1lillt.
llll guide hole 606, and the tape guide member 405 is moved toward the cylinder drum 200 side. In addition, due to the movement of the tape guide member 405, the guide bin 40
7a is pushed and rotated. Further, the position regulating pin 617 of the guide arm 408 comes into contact with the control cam surface 608 of the control slider 602 and is rotated toward the capstan shaft 103 side.

Then, when the control cam 601 is further rotated in the direction indicated by the arrow, the guide arm 407 moves to the tape guide section 44405.
Also, the position regulating pin 618 of the pinch roller arm 410 is moved by the control groove 603b of the control cam 601, and the pinch roller/109 is moved to the capstan shaft 103 side, and the guide arm 408 is controlled. As the position regulating pin 616 is moved by the control cam surface 608 of the slider 602, it is moved toward the capstan shaft 103.

Next, when the control cam 601 is further rotated in the direction indicated by the arrow, the position regulating pin 615 of the guide arm 407 is brought into contact with the control cam surface 607 of the control slider 602, and the position regulating pin 618 of the pinch roller arm 410 is rotated. The pinch roller 409 is moved by the control groove 603b of the cam 601 toward the capstan shaft 103, and the guide arm 408 is moved by the control cam surface 608 of the control slider 602 to move the fly pin 616 to that position. It is moved to the capstan shaft 103 side. Further, the position regulating pin 610a is moved by each tape guide member 405 or the control guide hole 606 to move toward the cylinder drum 200 side.

Then, as shown in FIGS. 8 and 9, the tape guide member 405 is moved to a predetermined position and the DA T force set 1 is
- The tape of DC is wound around the cylinder drum 200, and the tape is pressed against the capstan shaft 103 with a predetermined force by the pinch roller 409.

Further, when ejecting the DAT force set I-DC, the control cam 601 is reversed and the tape guide member 4 is ejected.
05 is Reel 'Fll! At the same time, each guide bin 407a, 408a and pinch roller 409 are moved to the DAT cassette DC.
The loading gear 310 is rotated in the direction of arrow A2, and the drive bin 308 of the subchassis guide slider 305 is moved in the direction of arrow B1 by the control protrusion 311. As a result, the drive system sub-chassis 400 is
Descend in one direction. At the same time, the control protrusion 311 engages with the convex portion 314 of the rotary link plate 312 to raise the guide bin 503 of the cassette holder 500 in the direction of arrow C2, and then move it in the direction of arrow B2.
T cassette DC is ejected from cassette holder 500.

Therefore, in this embodiment, the guide system and roller system of each tape are moved by the control cam 601 and the control slider 602.
1600 has a simple configuration, the cost can be reduced, and the main body of the device can be made smaller and thinner.

In addition, -1- In the embodiment described above, in particular, the DAT cassette D
Although a tape recorder device using C was described, it goes without saying that the present invention may be applied to a tape recorder device that uses a conventionally used videotape.

[Effects of the Invention] As explained above, the tape recorder device of the present invention has the following effects:
The control slider is moved by rotation of the control cam to move the tape guide means to a predetermined position, and the tape drive means is moved to a predetermined position by rotation of the control cam, making the tape pull-out mechanism simple. Therefore, the cost can be reduced, and the device main body can be made smaller and thinner.

[Brief explanation of the drawing]

FIG. 1 is a plan view for explaining a tape recorder device according to an embodiment of the present invention, FIG. 2 is a side view with a part of FIG. 1 omitted, and FIG. FIG. 4 is a partially sectional front view of FIG. 3, and FIGS. 5, 6, 7, and 8 each illustrate the operation of the tape recorder shown in FIG. 1. plane 1'2 for
FIG. I, f) is a side view with a part of FIG. 8 omitted. 100... Main chassis, 103... Capstan shaft, 200... Cylinder drum, 300... Loading mechanism, 301... Fixed guide plate, 302...
・Guide hole, 305...Slider for subchassis guide, 400...Drive system subchassis, /102...
Reel shaft, 405 tape guide member, 409... pinch roller, 600... tape pull-out mechanism, 601...
...Control cam, 602...Control slider, 610...
・Rotating link arm. Applicant Toshiba Corporation Representative Patent Attorney Sasa Suyama −

Claims (1)

[Scope of Claims] A tape recorder device that pulls out the tape of a cassette tape from a cassette half and records and plays back the tape using a rotating head, comprising: a tape guide means that pulls out the tape of the cassette tape and guides the tape; and the cassette tape. a tape drive means for pulling out the tape and driving the tape; a control slider for controlling the movement of the tape guide means; a link means for connecting the control slider and the tape guide means; the control slider and the tape guide means; A tape recorder device comprising a control cam that moves tape drive means and controls their positions.