JPH06162466A - Tape player - Google Patents

Abstract

PURPOSE:To obtain a tape player capable of selecting either one of a DCC head and an ACC head by a head shift control means and recording and reproducing either one of the DCC tape and the ACC tape. CONSTITUTION:The player is provided with a head device 7 having magnetic heads of two kinds which are the DCC head 55 and the ACC head 54 and selecting a discribed magnetic head by rotating the magnetic head in a plane including the traveling direction of a tape with the head shift control means. Consequently, either one of the DCC head 55 and the ACC head 54 can be selected by the head shift control means to enable the recording and reproducing for either one thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape player having a head shift control mechanism for reversing a head by 180 degrees when changing a program.

[0002]

2. Description of the Related Art DCC (Digital Compact Cassette) has appeared as a next-generation digital tape audio. The DCC has digital recording, playback and analog playback compatible functions, but currently it is not possible to record an analog signal with the same head.

As shown in FIG. 23, the DCC head is composed of 9 tracks for digital recording and reproduction with a 195 μm pitch and 2 tracks for analog recording and reproduction by the thin film technology.

[0004]

[Problems to be Solved by the Invention]

(1) With the existing DCC, analog recording cannot be performed with the same mechanical.

(2) When an analog head is used with a thin film, the coil is formed with a thin film pattern. Therefore, the number of windings cannot be set to a large value, and a large amount of current is applied to magnetize the tape. Therefore, a lot of heat is generated, and there is a problem such as thermal cutting of the tape.

The present invention has been made in view of the above problems, and an object thereof is a tape capable of recording and reproducing on either DCC tape or ACC tape. To provide a player.

[0007]

In order to achieve the above-mentioned object, the present invention comprises two types of magnetic heads, and the magnetic heads are rotated by a head shift control means in a plane including the tape transport direction. Is provided with a head device for selecting a predetermined magnetic head.

[0008]

With this structure, it is possible to select either the DCC head or the ACC head by the head shift control means, and it is possible to record or reproduce on either the DCC tape or the ACC tape.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a plan view of the tape player according to the present invention with a part thereof omitted, FIG. 2 is a view from the direction of FIG. 1II, FIG. 3 is a view from the direction of FIG. 1III, and FIG. 4 is the tape of the present invention. FIG. 5 is a partially omitted plan view of the head shift control means of the player, and FIG. 5 is a partially omitted rear view of the tape player.

In this embodiment, a mechanism used in a tape player controlled by a microcomputer, the main components of which are a top plate or a bottom surface of a deck plate 1, a head plate 2, a mode plate 4, a reel base 8F,
8R, pinch rollers 17F, 17R and crimp springs, change plate 23, head device 7, idler gears 39F, 39R, change idler plate 41,
A change idler gear 42, a select plate 45, a change gear 46, a select gear 47 and the like are provided.

The outline of the tape player in which this embodiment is used will be described below. Here, first, the deck plate 1
The members provided on the upper surface side will be described, and then the members provided on the lower surface side will be described. A: A member provided on the upper surface side of the deck plate 1 [A-1 Head plate 2] The head plate 2 is provided on the upper surface of the deck plate 1 in the front-back direction (X1, X2 in FIG. 1).
Direction) is attached so as to be movable. The head plate 2 includes a first plate portion 2a elongated in the left-right direction (Y1 and Y2 directions in FIG. 1) and an elongated second plate portion 2b forming a right angle with the right end portion of the plate portion 2a. Is a member having a substantially L shape in a plane.

First plate portion 2a of head plate 2
A head device 7 is mounted in the center of the head device 7, cam holes 2c are formed on the left and right of the head device 7 of the first plate portion 2a, and on the left and right of the first plate portion 2a. A cam hole 2h for restricting the select plate is formed.
A guide groove portion 2d extending in the front-rear direction is formed on the left portion of the first plate portion 2a, and a guide hole portion 2j extending in the front-rear direction is formed in the L-shaped bent portion. Furthermore, the second
A guide pin 2f and a cam follower 2g coaxial with the guide pin 2f are provided at the tip of the plate portion 2b.

Further, 2 is provided from the right edge of the bent portion of the head plate 2 to the right edge of the second plate portion 2b.
A stepped cam portion 70 is formed, and a spring locking projection 2i is formed on the rear side of the right side edge of the bent portion.

The guide pin 1 provided with the deck plate 1 in the guide groove portion 2d and the guide hole portion 2j.
a, 1a are inserted, and the guide pin 2f is inserted.
However, the head plate 2 is inserted into a long guide hole 1b provided in the deck plate 1 in the front-rear direction, and the head plate 2 is guided on the deck plate 1 in the front-rear direction. It moves back and forth between the play position (forward position). [A-2 Reel base 8F, 8R] Deck plate 1
Left and right mounting holes 1h, 1h are opened at the center of the mounting hole 1h, and mounting portions 1i, 1i projecting toward the holes are provided at the outer edge of each mounting hole 1h, 1h. ，
1i is arranged horizontally, slightly lower than the surface of the opened deck plate 1.

A reel base 8 is attached to the mounting portions 1i and 1i.
F and 8R are rotatably provided. Reel base 8
Gears 9 are integrally formed on the outer circumferences of F and 8R. As described above, the mounting portions 1i, 1i are arranged below the mounting holes 1h, 1h, so that the gear 9 is mounted on the deck plate 1
Is projected to the lower surface side. [A-3 Capstans 15F, 15R and Idler Plates 16F, 16R] Capstans 15F, 15R are rotatably provided on the upper surface of the deck plate 1 so as to project upward. These capstans 15
A pair of idler plates 16 with F and 15R as spindles
F and 16R are provided so as to be rotatable with respect to the deck plate 1. A substantially V-shaped cam hole 16a is formed in the rear portion of these idler plates 16F and 16R. The idler plate 16 in the deck plate 1
Guide holes 1p are formed at positions corresponding to the front portions of F and 16R, respectively.

Spring engaging portions 16b, 16b are provided in front of the center of rotation of the idler plates 16F, 16R and inside thereof.
Is provided, and the spring 19 is hooked on these spring locking portions 16b, 16b, and the idler plates 16F, 16R are rotated inward due to the biasing force of the spring 19. [A-4 Pinch Rollers 17F, 17R and Crimping Spring] Pinch roller cases 20F, 20R are rotatably attached to the spindle 1a of the deck plate 1, and the insides of the pinch roller cases 20F, 20R face each other. The pinch rollers 17F, 1 are attached to the ends through a rotary shaft.
7R is attached. In addition, the pinch roller case 20
Spring mounting portions 20a, 20a are formed rearward at the base portion of the F, 20R on the side of the support shaft 1a,
A crimping spring (not shown) is mounted between the spring mounting portions 20a, 20a, and the urging force of the crimping spring is the pinch roller cases 20F, 2
Rotate 0R forward, which is the crimping direction, to move the pinch roller 17
F and 17R work so as to be crimped to the capstans 15F and 15R.

Engagement projections 20b are provided so as to project downward in the rear of the pinch roller cases 20F, 20R in the vicinity of the pinch rollers 17F, 17R, and these engagement projections 20b are provided in the cam holes of the head plate 2. 2c is engaged.

Therefore, the urging force of the pressure spring is used as a driving force for the head plate 2 through the engagement between the engaging projections 20b of the pinch roller cases 20F and 20R and the cam holes 2c of the head plate 2. Head plate 2
Be transmitted to.

The urging force of the crimping spring engages the engaging projection 20b with the cam hole 2c of the head plate 2. At this time, the pinch roller cases 20F and 20R are
Pinch rollers 17F, 17R and capstan 15F,
It rotates from the crimping position where 15R is crimped to the release position regulated by the head plate 2 at the stop position (retracted position).

Further, the pinch rollers 17F and 17R are provided with engaging pins 21 projecting downward on the rotary shafts, and the engaging pins 21 are the idler plates 16F and 16R.
Is inserted in the cam hole 16a. [A-5 Change Plate 23] Change Plate 2
The reference numeral 3 is located between the head plate 2 and the deck plate 1, and is capable of reciprocating in the left-right direction. The change plate 23 has left and right guide holes 23a, 23a that are long in the left-right direction, a control hole 23b that is long in the front-rear direction at a substantially central portion, and a pin hole 2 that is long in the front-rear direction at the right end portion.
3c are formed respectively.

Guide pins 1k, 1k provided on the deck plate 1 are inserted into the guide holes 23a, 23a of the change plate 23 to guide the lateral movement of the change plate 23.

Further, the pin hole 23 of the change plate 23
A pin 24a of a change power gear 24 provided at the right end portion of the deck plate 1 is inserted in c. The change power gear 24 is an intermittent gear, and the tooth portion is missing over approximately half the circumference. [A-6 Change Link 30] The Deck Plate 1
A change link 30 is attached to the center of the rear part of the change link 30 by a support shaft 31 so as to be swingable in the left and right directions. The change link 30 includes an arm portion 32 that extends forward, the rear portion of the arm portion 32 extends to the left and right, and the left and right ends thereof are engaging portions 32a. An engaging hole 32b is formed at the tip of the arm 32. [A-7 Play Link 33] The play link 33 is a member elongated in the front-rear direction, is centrally disposed on the upper surface of the deck plate 1, and is rotatably attached to the deck plate 1 by a support shaft 33c. Has been. A cam follower 34 projecting downward is provided at the tip of the play link 33, and a first engaging portion 33a and a second engaging portion 33b are provided at the rear end portion and the central portion of the play link 33. The first engaging portion 33a is provided on the change link 30.
Is engaged with the engagement hole portion 32b at the tip of the arm portion 32. [A-8 Head Device 7] The head device 7 has a support shaft 7a planted in the central portion of the first plate portion 2a of the head plate 2, and is rotatable on the support shaft 7a. A hollow rotating shaft 51 is fitted. A head base 52 and a head rotary gear 53 are fixed to the rotary shaft 51. The head base 52 has an ACC
A head (for analog recording / playback / erasing) 54 and a DCC head (for digital recording / playback, analog playback) 55 are attached with their rotation angles shifted by 180 degrees.

A rack plate 56 is provided on the change plate 23. That is, the rack plate 56
Is provided with a pin portion 56a protruding downward. The pin portion 56a is inserted into the elongated hole 2z (see FIG. 7) formed in the head plate 2 and the control hole portion 23b of the change plate 23, and these constitute a reversing mechanism. Further, the pin 2m formed on the head plate 2 is inserted into the elongated hole 56z formed on the rack plate 56. Therefore, when the head plate 2 moves back and forth, the rack plate 56 moves back and forth accordingly, and when the change plate 23 moves left and right, the rack plate 56 also moves right and left accordingly. And the rack plate 5
The rack tooth portion 56b of No. 6 is the head rotary gear 53.
Meshes with. Reference numeral 57 is a flat cable for head signals. B: Member Provided on Lower Side of Deck Plate 1 [B-1 Mode Plate 4] The mode plate 4 is disposed on the lower side of the deck plate 1 and is a long member which is attached so as to be movable in the left-right direction. It is a member. A long rack 4a is formed on the front edge of the mode plate 4, and a moving motor (not shown) is mounted on the rack 4a.
The power gear 58 attached to the is meshed.

Guide pins 4b are provided at the left and right ends of the mode plate 4, and these guide pins 4b are provided in the deck plate 1 and extend to the left and right.
Has been inserted into.

At the rear edge of the mode plate 4, there is formed a cam 25 which comes into contact with the cam follower 2g of the head plate 2 to control the forward / backward movement of the head plate 2. The cam 25 includes a rear stage portion ST and a front stage portion F which are formed in a stepped shape.
It consists of F and. Of these, the rear part ST is a part for controlling the head plate 2 to the stop position, and the front part FF is a part for controlling the head plate 2 to the FF / REW position. A main cam 26 is formed at the center of the mode plate 4, and a cam follower 34 of the play link 33 is inserted in the main cam 26. [B-2 Mode Switch and Sensor] A bottom plate is attached so as to cover the back surface of the deck plate 1, and the cassette mounting detection switches 68, D are attached to this bottom plate.
A CC tape length determination switch 69 and a DCC / CC determination switch 67 are attached. Also, deck plate 1
A mode position detection switch 66 is attached to the. The mode position detection switch 66 detects the position of the mode plate 4 and sends this detection signal to the microcomputer. The cassette mounting detection switch 68 detects the mounting of the cassette, and the DC
The C tape length determination switch 69 detects the DCC tape length and sends this detection signal to the microcomputer. Upon receiving these detection signals, the microcomputer performs various controls such as driving and stopping of the moving motor and the capstan drive motor 31. [B-3 Flywheels 27F, 27R] The flywheels 27F, 27R are the capstans 15F, 1F.
It is rotatably provided on the back side of the deck plate 1 coaxially with 5R. A flywheel gear 29 is integrally formed at the center of rotation of the flywheels 27F and 27R. Grooves 30a are formed along the circumferential direction on the lower outer circumferences of the flywheels 27F and 27R. Further, a cap stun drive motor 31 is attached to the front right side of the deck plate 1, a pulley 32 is attached to an output shaft of the cap stun drive motor 31, and further, a rear right side of the deck plate 1 is attached. The tension pulley 33 is rotatably supported. An endless belt 34a is wound around the pulley 32, the tension pulley 33, and the flywheels 27F and 27R.
In this case, the left and right flywheels 27F and 27R have S
The right and left flywheels 27F, 2
The rotation direction of 7R is always the opposite direction. [B-4 Idler gears 39F, 39R] Idler gears 39F, 39R for play running are provided below the front portions of the idler plates 16F, 16R via a rotary shaft 40, and the rotary shaft 40 is a guide hole of the deck plate 1. 1p
It is slidably inserted in. The idler gear 39F meshes with the flywheel gear 29 of the flywheel 27F, and the idler gear 39R meshes with the flywheel gear 29 of the flywheel 27R. Also,
The idler gear 39F engages / disengages with the large diameter gear 9 on the reel base 8F side in accordance with the rotation of the idler plate 16F, and the idler gear 39R rotates the idler plate 16F in accordance with the rotation of the idler plate 16R. It is designed to engage and release with 9. [B-5 Change Idler Mechanism 72 (Change Idler Plate 41 and Change Idler Gear 42)] A change idler plate 41 is rotatably attached to the lower rear surface of the deck plate 1 by a spindle 43. A cam follower 42a and a spring locking portion 43a are provided at the right end of the change idler plate 41, and the change idler gear 42 is rotatably supported at the left end of the change idler plate 41. A spring 44 is attached between the spring locking portion 43a and the spring locking portion 2i of the head plate 2,
The change idler plate 41 is urged clockwise by the urging force of the spring 44, and the cam follower 42a forms the cam portion 7 formed on the head plate 2.
It touches 0. [B-6 Select mechanism 71 (select plate 45,
Change gear 46 and select gear 47)] A select plate 45 is rotatably attached by a support shaft 48 to the rear right side of the lower surface of the deck plate 1, and
A change gear 46 is rotatably attached to the support shaft 48, and a select gear 47 is rotatably supported on the select plate 45. The select gear 47 meshes with the change gear 46. Further, the select plate 45 is configured so as to be swingable about the support shaft 48 only within a predetermined angle range by means not shown.

Next, the head changing operation will be described. When a cassette (not shown) is attached to the tape player (FIG. 9), the cassette attachment detection switch 68 is turned on. If this cassette is a DCC tape, DCC /
The CC discriminating switch 67 discriminates the DCC tape, and controls the cap stun drive motor 31 to rotate counterclockwise as indicated by an arrow in FIG. 10 so that the microcomputer uses the DCC head.

In this case, since the head plate 2 is in contact with the rear portion ST of the cam portion 25 of the mode plate 4 and the cam follower 42a of the change idler plate 41 is out of the cam portion 70 of the head plate 2, the change is caused. The idler plate 41 is rotated counterclockwise by the urging force of the spring 44 to change the idler gear 4
2 further meshes with the flywheel gear 29 of the flywheel 27F while maintaining meshing with the change gear 46.

Therefore, the rotation of the cap stun drive motor 31 rotates the change gear 46 of the select plate 45 via the flywheel gear 29 and the change idler gear 42. Since the select gear 47 is attached to the select plate 45 with a little friction, the select plate 45 itself rotates in the rotation direction of the change gear 46. This select plate 45
The rotation of itself causes the select gear 47 to mesh with the change power gear 24.

Therefore, the flywheel 27F is rotated by the change idler gear 42, the change gear 46, and the select gear 4 which mesh with the flywheel gear 29 of the flywheel 27F.
It is transmitted to the change power gear 24 via 7 and rotates it. The rotation of the change power gear 24 causes the change plate 23 to move leftward.

By moving the change plate 23,
The rack plate 56 moves to the left through the control hole 23b and the pin portion 56a, the rack tooth portion 56b of the rack plate 56 rotates the head rotary gear 53, and the rotary shaft 51 rotates to rotate the head base. D through 52
The CC head 55 is reversed to the tape running side (see FIG. 1).
0). Since the change power gear 24 is an intermittent gear, when it comes out of mesh with the select gear 47, the rotation of the change power gear 24 stops.

From this state, the mode plate 4 is moved to the left side, and as shown in FIG.
The cam follower 34 of the play link 33 is brought into contact with the reverse play position of, and the play link 33 is rotated rightward, whereby the change link 30 is rotated rightward.

By moving the mode plate 4 to the left, the head plate 2 advances. The change link 30 is rotated to the right, and the engaging portion 32a of the change link 30 is engaged with the engaging portion 20 of the forward pinch roller case 20F.
The pinch roller case 20F is prevented from rotating in abutment with b. Therefore, the idler plate 16F does not rotate, and the idler gear 39F moves to the gear 9 of the reel base 8F.
Do not bite into.

However, since the engaging portion 32a of the change link 30 does not abut against the engaging portion 20b of the reverse side pinch roller case 20R, this pinch roller case 20
The rotation of R is not blocked, so that the idler plate 16R rotates and the idler gear 39R meshes with the gear 9 of the reel base 8R. Therefore, the rotation of the flywheel 27R on the reverse side is transmitted to the reel base 8R via the flywheel gear 29, the idler gear 39R, and the gear 9 of the flywheel 27R to be in reverse play.

When the cassette is the ACC tape, when the state of FIG. 9 is changed to the state of FIG. 12, the reverse play running is performed. In this case, the same operation as the reverse play running of the DCC tape described above is performed.

When the state of FIG. 9 is changed to the state of FIG. 13, the forward play running is started. That is, the mode plate 4 moves to the left, and the cam follower 3 of the play link 33 is moved to the forward play position of the main cam 26 of the mode plate 4.
4, the play link 33 turns to the left, and the change link 30 turns to the left.

By moving the mode plate 4 to the left, the head plate 2 advances. The change link 30 is rotated to the left, and the engaging portion 32a of the change link 30 is engaged with the engaging portion 20 of the forward pinch roller case 20R.
The pinch roller case 20R is prevented from rotating by colliding with b. For this reason, the idler plate 16R does not rotate, and the idler gear 39R moves to the gear 9 of the reel base 8R.
Do not bite into.

However, since the engaging portion 32a of the change link 30 does not abut against the engaging portion 20b of the forward side pinch roller case 20F, this pinch roller case 2
The rotation of 0F is not blocked, so that the idler plate 16F rotates and the idler gear 39F meshes with the gear 9 of the reel base 8F. Therefore, the rotation of the forward flywheel 27F is transmitted to the reel base 8F via the flywheel gear 29, idler gear 39F, and gear 9 of the flywheel 27F, and the forward play traveling is performed.

As a means for rotating the head, that is, a head shift control means, as shown in FIGS. 14 to 17, a long hole 3 is formed in a head plate 2 which is movable in the front-rear direction.
a and the control hole 3 including the left and right branch holes 3a and 3b are provided, the change plate 23 movable in the left and right direction is provided with a long pin hole 23e in the front-rear direction, and the select plate 45 of the select mechanism 71 is selected. A plate pin 45a is provided, the select plate pin 45a is inserted into the control hole 3 by penetrating the pin hole 23e, the change plate 23 is provided with the rack plate 56, and the change idler mechanism 72 is provided. The configuration may be provided.

In this case, a moving motor (not shown) is driven, and the mode plate 4 moves in the direction of the arrow (to the left) via the power gear of the moving motor, and the cam 25 has a rear stage ST to a front stage FF. The cam follower 2g of the head plate 2 comes into contact with the head plate 2 to move the head plate 2 forward.

Then, the drive motor 31 is rotated in a predetermined direction, and by the rotation of the flywheel 27F, a change idler gear 42 which meshes with the flywheel gear 29 of the flywheel 27F.
The change gear 46 is rotated via. Since the select gear 47 is attached to the select plate 45 with a little friction, the select plate 45 itself rotates in the rotation direction of the change gear 46. The rotation of the select plate 45 causes the select plate pin 45a to move.
Is rotated to be positioned at the tip of the branch hole 3b on the right of the control hole 3, and is pushed by the select plate pin 45a to move the change plate 23 in the arrow direction (right direction). By the movement of the change plate 23, the head rotary gear 5 is moved through the rack plate 56 as a reversing mechanism.
3 is rotated to switch the head. Then, the head plate 2 is further advanced to bring the head into close contact with the tape.

When the head plate 2 is retracted, the pin 4
5a automatically returns to the long hole 3a, and the head is reversed in the opposite direction. In order to move the head forward in this head switching state, the head plate 2 can be rotated without rotating the motor 31.
Just move forward.

The head shift control means may be constructed as shown in FIGS. 18 to 22. That is, a long hole 23f that is long in the front-rear direction is formed in a substantially central portion of the change plate 23 with which the rack plate 56 is engaged as in the above-described embodiment, and the central hole portion 60a and the left and right branch hole portions 60b are formed in the head plate 2. Control hole 60 consisting of 60c
The change idler plate 75 of the change idler mechanism 73 is rotatably attached to the rear right side of the lower surface of the deck plate 1 by the support shaft 74. The change idler plate 75 has large and small changes integrated with the support shaft 74. The idler gears 73a and 73b are rotatably provided,
A front side change idler gear 73c is rotatably supported on the tip of the change idler plate 75, and a small diameter change idler gear 73b and a front side change idler gear 73 are provided.
c is meshed with each other, and a large diameter change idler gear 73a is attached to the flywheel gear 2 of the flywheel 27F.
9, the pin portion 76 is attached to the change idler plate 75, the pin portion 76 is inserted into the control hole portion 60 of the head plate 2, and is supported at the substantially central portion of the rear portion of the lower surface of the deck plate 1. A change power gear 78 is rotatably attached by a shaft 77, and an arc-shaped guide hole portion 79 centering on the support shaft 77 is formed in the deck plate 1, and the change power gear 7 is formed in the guide hole portion 79.
Insert the guide pin 80 provided on the
0 is a long hole 23f long in the front-rear direction of the change plate 23
Penetrates into.

In this case, while the capstan motor 31 is stopped, a moving motor (not shown) is driven, and the mode plate 4 moves in the arrow direction (right direction) in FIG. . Due to the movement of the mode plate 4, the cam follower 2g of the head plate 2 comes into contact with the front stage FF of the cam 25 and the rear stage ST of the cam 25 so that the head plate 2 is stopped (retracted position).
To control.

When the head plate 2 is retracted, the change idler plate 75 is moved along the control hole 60 of the head plate 2.
The pin portion 76 of this moves, and this change idler plate 7
5 rotates counterclockwise, and the front side change idler gear 73c meshes with the change power gear 78.

When the head plate 2 is retracted, the cam hole 2c of the head plate 2 pulls the pinch roller cases 20F and 20R rearward through the engaging portion 20b, and the pinch roller 17 is pulled.
F and 17R separate from capstans 15F and 15R. Further, by controlling the pinch rollers 17F and 17R to the release position, the engagement pin 21 is located at the rear end portion of the cam hole 16a, and the idler plates 16F and 16R are regulated to rotate outward. Therefore, the idler gears 27F and 27R separate from the gear 9 of the reel bases 8F and 8R. In this state, the cap stun drive motor 31 is rotated in a predetermined direction to move the flywheel 27.
F, its flywheel gear 29, large diameter change idler gear 73a, small diameter change idler gear 73
b, the change power gear 78 rotates via the front side change idler gear 73c, and the change plate 23 passes through the guide pin 80 inserted into the guide hole 79 of the change power gear 78.
Moves to the right. At this time, the pin portion 76 is located on the front side of the right branch hole portion 60c of the control hole portion 60.

By the movement of the change plate 23, the head rotary gear 53 is rotated through the rack plate 56 to convert the head. Then, the head plate 2 is moved forward to bring the head into close contact with the tape.

[0047]

As described above, according to the present invention, the DCC
The head shift control is provided with two types of magnetic heads, a head and an ACC head, and a head device for selecting a predetermined magnetic head by rotating the magnetic head by the head shift control means in a plane including the tape transport direction. It is possible to select either the DCC head or the ACC head by the means, and it is possible to record or reproduce on either the DCC tape or the ACC tape.

[Brief description of drawings]

FIG. 1 is a plan view of a tape player according to the present invention with a part thereof omitted.

FIG. 2 is an arrow view from the direction of FIG. 1II.

FIG. 3 is a view from the direction of the arrow in FIG.

FIG. 4 is a schematic plan view of the head shift control means of the tape player according to the present invention with some parts omitted.

FIG. 5 is a rear view of the tape player according to the present invention.

FIG. 6 is a plan view of a deck plate.

FIG. 7 is a plan view of a head plate.

FIG. 8A is a plan view of a change plate.
(2) is a plan view of the rack plate.

FIG. 9 is a plan view of an analog (bulk) head selected in a stop mode in the tape player according to the present invention.

FIG. 10 is a plan view showing a state in which a digital or digital / analog head is selected in the tape player.

FIG. 11 is a plan view of a digital cassette recording / playback reverse play state in the tape player.

FIG. 12 is a plan view showing an analog cassette recording / playback reverse play state in the tape player.

FIG. 13 is a plan view showing an analog cassette recording / playback forward play state in the tape player.

FIG. 14 is an explanatory diagram of another embodiment of the head shift control mechanism in the tape player.

FIG. 15 is a rear view of the head shift control mechanism.

FIG. 16 is a plan view of a head plate of the head shift control mechanism.

FIG. 17 is a plan view of a change plate of the head shift control mechanism.

FIG. 18 is an explanatory diagram of another embodiment of the head shift control mechanism in the tape player.

FIG. 19 is a rear view of the head shift control mechanism.

FIG. 20 is a plan view of a head plate of the head shift control mechanism.

FIG. 21 is a plan view of a change plate of the head shift control mechanism.

FIG. 22 is an operation explanatory view of a change idler mechanism of the head shift control mechanism.

FIG. 23 is a structural explanatory view of an analog dedicated head and a digital or digital / analog reproducing head.

[Explanation of symbols]

 1 Deck Plate 2 Head Plate 3 Cam Hole 7 Head Device 23 Change Plate 54 ACC Head 55 DC Head 71 Select Mechanism 72 Change Idler Mechanism

Claims (4)

[Claims] 1. A head device comprising two types of magnetic heads, and a head device for selecting a predetermined magnetic head by rotating the magnetic head by a head shift control means in a plane including the tape transport direction. Tape player. 2. A head shift control means, a head plate movably provided on a deck plate and mounting a head device, a change power gear rotatably provided on the deck plate, and a head plate movement on the deck plate. A change plate that is movable in a direction perpendicular to the direction and that reciprocates by the rotation of the change power gear; Has a change gear and a select plate for holding a change gear and a select gear that meshes with the change gear, and rotates the select plate itself in the rotation direction of the change gear. To change power gear A select mechanism for aligning seen, the change plate tape player according to claim 1, wherein the moving the rack plate by rotating the head rotary gear meshing with the rack of the rack plate constituted by an inverting mechanism for inverting the head by the movement of. 3. A head shift control means, which is movably provided on a deck plate and has a head device mounted thereon, and a bifurcated long hole provided on the head plate and long in the moving direction of the head plate. A control hole having a branch hole formed therein, a change plate provided on the deck plate so as to be movable in a direction perpendicular to the moving direction of the head plate, a pin hole provided on the change plate, It has a select plate that is movably provided on the deck plate and holds a change gear and a select gear that meshes with the change gear, and rotates the select plate itself in the rotation direction of the change gear. A select mechanism that links the select gear to the flywheel gear, and this select mechanism And a pin inserted through the pin hole portion of the change plate into the control hole portion of the head plate, and a head rotary gear that moves the rack plate by the movement of the change plate and meshes with the rack of the rack plate. The tape player according to claim 1, further comprising a reversing mechanism for rotating the head to invert the head. 4. A head shift control means is movably provided on a deck plate and has a head device mounted thereon, and a forked shape is provided on the head plate and has a long hole which is long in the moving direction of the head plate. A cam hole with a branch hole formed in it, a change plate provided on the deck plate so as to be movable in a direction perpendicular to the moving direction of the head plate, and a change plate provided on the deck plate to move by the rotation thereof. And a change idler plate that holds a change idler gear that is rotatably provided on the deck plate and is linked to a flywheel gear, and a front side change idle gear that meshes with the change idler gear. The plate has a pin part that is inserted into the cam part. Then, the change idler mechanism that rotates the change idler plate through the pin portion by moving the head plate to connect and disconnect the front side change idler gear to the change power gear, and move the rack plate by moving the change plate 2. The tape player according to claim 1, further comprising a reversing mechanism for reversing the head by rotating a head rotary gear that meshes with the rack of the rack plate.