JPH0341910B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a configuration for achieving an ultra-small tape recorder comparable to a wristwatch.

Even if the tape recorders currently on the market are compact, they are larger than a cigarette pack and are too large and heavy to be carried around all the time. In order to achieve further miniaturization, it is essential to reduce the size of internal parts, simplify the structure, and devise operating members that are compact and have good operability. The present invention aims to provide an ultra-compact tape recorder that can be used as a memo pad and can be carried as easily as a wristwatch. The drawings will be explained in detail below.

1 to 7 show a first embodiment of the present invention, which is a tape recorder exclusively for recording. Figure 1 is a plan view showing the overall configuration, Figures 2 to 5 are side sectional views, and Figures 6 to 5 are side sectional views.
FIG. 7 is a plan view showing the operation. The case 1 is provided with a reuse 2, a start/stop button 3 for a tape recorder, a time adjustment button 4 for a clock, and a lid 6 for loading and unloading a cassette 5. Although the lid 6 is shown in the open position in FIG. 1, the lid is normally contained within the case contour, such as by a hinge or sliding door structure. A motor 7 held on a base plate 14 is driven by a battery 8 and a circuit board 9, and rotates a flywheel 11 via a belt 10. The flywheel 11 has a cylindrical portion 11a and is rotatably supported on a shaft 12a of a flywheel lever 12. The winding wheel 13 has a shaft portion 13a, a rubber portion 13b, and a gear 1.
3c, and is rotatably supported on a shaft 15 implanted in the base plate 14. The supply wheel 16 has a toothed portion 16a on its outer periphery, is integrated with a shaft portion 16b, and is rotatably supported by a shaft 18 implanted in the base plate 14. The tape 19 is stored in the cassette 5 wound around a take-up reel 20 that fits on the take-up axle 13a and a supply reel 21 that fits on the supply axle 16b. The erasing head 22 and the recording head 23 are placed on a head lever 24, and are brought into contact with and separated from the tape 19 as the head lever 24, which is rotatably fitted to a pin 17 embedded in the base plate 14, swings. I do. Reuse 2 is winding stem 2a
It is integrally supported on the base plate 14 so as to be rotatable and to be able to be pulled out and pushed in. The base 26a is connected to the base plate 1
The back presser 26 fixed to the spring part 26b has three positioning recesses 26c, 26d, 26 formed in the spring part 26b.
At e, the mandarin duck 27 rotatably supported on the shaft 28 of the main plate 14 is attached to
It is positioned via the pin 27a, and the other end 27b engages with the groove 2b provided in the winding stem 2a to adjust the crown 2 to the third stage position (see FIG. 6). The mandarin pin 27a is elongated as shown in FIG.
is engaged in. As shown in FIG. 6, the flywheel lever 29 has a rivet 31 provided on the main plate 14 as its center axis, is rotatably supported by a floating rivet 32, and has a shaft 12a fixed to the other end 29b and a retaining ring 3.
4 (see FIG. 2) rotatably supports the flywheel 11. A groove 29a functioning as a cam is provided at one end 29c, and swings in accordance with the movement of the oscilloscope pin 27a. In other words, when the rims 2 is in the pushed-in position 2' in FIG. is the rubber part 13 of the winding wheel 13
When the watch 2 is pulled out from the pushed-in position 2' to the pulled-out position 2'', the flywheel lever 29 rotates clockwise in the figure around the stud 31, and the flywheel 11
The cylindrical portion 11a contacts the rubber portion 13b of the winding wheel 13 and transmits rotation. When the barrel 2 is further pulled out to position 2 where it is pulled out two steps, the flywheel lever 29 rotates counterclockwise and the cylindrical portion 1
1a leaves the rubber portion 13b again. The flywheel lever 12 is also integrally equipped with a drive shaft 12e,
When the head lever 24 is engaged with the guide groove 24a of the head lever 24 and moved from the one-step pulled-out position 2'' to the pushed-in position 2' or the two-step pulled-out position 2, the head lever 24 is turned counterclockwise in the figure. When the recording head 23 is moved away from the cassette 5 and the cartridge 2 is moved from the pushed-in position 2' or from the double-drawn-out position 2 to the first-drawn-out position 2'', turn the head lever 24 clockwise to move the recording head 23 closer to the cassette 5 and touch the tape 19. It is designed to be brought into contact with each other. Next, with reference to FIG. 7, the holding lever 30 driven by the dowel pin 27a through the guide groove 30b will be explained. In FIG. 7, the holding lever 30 is attached to a stud 35 fixed to the base plate 14
It is rotatably supported at the other end and has a fixed surface 30c at the other end. The holding lever 30 moves in conjunction with the lever 2, and is separated from the switching lever/cam 36 at the push-in position 2' and the first-stage pull-out position 2'', and is positioned by contacting the switching lever/cam 36 at the second-stage pull-out position 2. .In Figures 4 and 7,
The switching lever cam 36 is integrated with a switching plate 39 on which a switching wheel 38 is rotatably supported by rivets 37, and both are rotatably supported on the base plate 14 by rivets 40.
When the switching plate 39 rotates clockwise in FIG. 7 from the neutral position, the switching wheel 38 switches to the winding wheel gear 13c.
When the switching plate 39 rotates counterclockwise from the neutral position, it meshes with the supply wheel gear 16a, and in the neutral position, it separates from both the take-up wheel gear 13c and the supply wheel gear 16a. 36a is a cam surface of the switching lever 36. In FIG. 3, the switching wheel 38 is connected to the main plate 14 and the receiver 4.
1 supported by the switching plate 39 and the switching lever/cam 3
It meshes with the fourth transmission 42 passing through 6.
The fourth transmission 42 is connected to the third transmission 43, the second transmission 44, and the first transmission 45.
6, and the cut wheel 46 is squarely fitted with the winding stem 2a which is integrated with the rear winding 2 and receives only rotation. Figure 1,
In FIG. 5, 47 is a microphone, and the circuit board 9 is placed below the main plate 14. Reference numeral 50 denotes a time display board made of an LCD, which serves as a counter for the tape recorder or provides a special display when the tape recorder is recording, as required. 51 is a watch battery, and 52 is a watch circuit.

Next, the effect will be explained. When the reuse 2 is pushed in to the position 2', the tape recorder is turned off and the time display board 50 displays the time. Use the time correction button 4 to select the time to be corrected, and use the start/stop button 3 to make corrections. Flywheel lever 12
The flywheel cylindrical portion 11a, which is supported by Since both the erasing head 22 and the recording head 23 are far from the cassette 5, nothing happens when the reset 2 is operated. Next, when the lever 2 is pulled out one step to the first pull-out position 2'', the flywheel cylinder portion 11a comes into contact with the take-up wheel rubber portion 13b through the winding stem 2a, mandrel 27, and flywheel lever 12, and at the same time, the head lever 24 is rotated clockwise so that the erasing head 22 and recording head 23 come into contact with the cassette 5. This alone does not move the switching plate 39 and the switching wheel 3
8 remains in the idling position, and even if the rear wheel 2 is turned, it will only idle. When the start/stop button 3 is pressed once, the time display plate 5 is activated by a switch mechanism (not shown).
A special display is displayed above 0 indicating that recording is in progress, and the motor 7 starts rotating, and the belt 10, flywheel 11, and flywheel cylinder portion 11a move the winding wheel 13.
Wind up the tape 19 by turning the erase head 22.
The recorded data is erased using the recording head 23, and the recorded data is magnetically recorded using the recording head 23. When the start/stop button 3 is pressed again, the tape recorder stops and returns to the time display motor. When the cartridge 2 is moved to the second pull-out position 2, the flywheel lever 12 is rotated counterclockwise, the flywheel cylindrical portion 11a is separated from the take-up wheel rubber portion 13b, and the holding lever 30 is moved to the switching lever cam surface 36.
Separate from a and release. The head lever 24 also separates from the cassette 5. When the rear wheel 2 is turned clockwise, the main gear 46 and the first transmission 4 are
5, second transmission 44, third transmission 43, fourth transmission 42
to transmit rotation in the direction of arrow 53, and the meshing pressure of the fourth gear 42 is applied by rotating the switching plate 39 clockwise to mesh the switching wheel 38 with the winding wheel gear 13c.
The tape 19 is fast-forwarded by rotating the winding wheel 13. When rewinding tape 19 to re-record,
Turn Reuse 2 counterclockwise. For rotation, the gear train is turned in the direction opposite to the arrow 53, and the switching wheel 38 now meshes with the supply wheel tooth section 16a to transmit the rotation to the tape 1.
Reverse 9.

FIGS. 8 to 12 show a second embodiment of the present invention, which is a tape recorder that also allows recording to be played back using earphones. FIG. 8 is a plan view showing the external appearance of the case, and FIGS. 9 to 12 are plan views showing the operation around the head lever. The difference from the case shown in FIG. 1 is that an earphone terminal 70 is added, so that when an earphone (not shown) is connected, the device enters the playback mode. The structure is almost the same as that shown in Fig. 1, but the erasing head 2
The difference is that the head lever 24 is separated from the head lever 24 on which the recording/playback head 73 is mounted. In FIG. 9, the erase head 22 is connected to the erase head lever 7.
1, the erasing head lever 71 connects the recording operation section 71a extending outward from the case 1, and the main plate 14.
A guide groove 71b that slides and rotates by fitting with the pin 17 implanted in the main plate 14, a positioning pin 71c that regulates the stop position, and a pin 7 implanted in the base plate 14.
It has a recessed portion 71d that engages with 2 to maintain the position. The head lever 24 is provided with a positioning recess 24c via a spring portion 24b. Next, the effect will be explained. FIG. 9 shows the tape recorder in a stopped state, with the recording operation section 71a pushed toward the case 1, and the cartridge 2 at the push-in position 2'. The positioning pin 71c is removed from the head lever positioning recess 24c, and at the same time, the positioning pin 71c is removed from the recess 71.
d engages with the pin 72 and maintains the stopped state. Head
The lever 24 is also the flywheel lever drive shaft 12e.
It is positioned at a distance from the cassette 5. 1st
Figure 0 shows a playback state in which the recorder 2 is pulled out to the 2'' position with the recording operation part 71a pushed in, and the head lever 24 is moved by the guide groove 24a by the head lever drive shaft 12e of the flywheel lever 12. is rotated clockwise from the stopped state shown in FIG. 9 to bring the recording/playback head 73 into contact with the cassette 5.
Since the position of the erase head 22 is regulated by the pin 72, the erase head 22 remains stopped. FIG. 11 shows the state when entering the recording state, with the recording operation section 71a being pulled out while the cartridge 2 remains in the pushed-in position 2'. By pulling out the recording operation part 71a, the erasing head lever 71 moves and the recess 71d disengages from the pin 72, and at the same time, the positioning pin 71c bends the spring part 24b of the head lever 24 and engages with the positioning recess 24c. do. Therefore, the erasing head lever 71 moves almost integrally with the head lever 24, although there is some play in clockwise rotation. FIG. 12 shows the recording state, in which the unit 2 is pulled out one step with the recording operation section 71a being pulled out. As the head lever drive shaft 12e moves, the head lever 24 rotates clockwise through the guide groove 24a from the state shown in FIG. The erasing head 22 is also pressed against the cassette 5 by turning the erasing head lever 71 via the pin 71c. After that, repeat the push operation of start/stop button 3 to repeat recording and stopping.

FIG. 13 shows a head showing a third embodiment of the present invention.
FIG. 3 is a plan view of the area around the lever 24. FIG. This is almost the same as the second embodiment, but this time the recording operation member 81a is pushed in to enter the recording state, and pulled out for use in the playback state. The recording operation lever 81 has an engaging protrusion 81e, a positioning guide groove 81b, and a stop shoulder 81c. Guide groove 8
One side 81d of 1b has spring properties. In terms of operation, when the operating portion 81a is pushed into the push-in position as shown by the solid line in FIG. The recording state and release state are repeated by inserting and removing the reuse 2 that is activated. Next, when the recording operation section 81a is brought into the state shown by the two-dot chain line in FIG. Headed
The lever 24 is released from the recess 82a and becomes free. When the cartridge 2 is inserted or removed, only the head lever 24 swings, repeating the regeneration state and release.

FIG. 14 shows a fourth embodiment of the present invention, in which the manual rewinding and fast forwarding of the tape 19 in the first embodiment are eliminated, and the motor 7 is used instead. In this case, at the push-in position 2' of the cartridge 2, the flywheel lever 29 is at a neutral point, and the flywheel cylindrical portion 11a is not in contact with either the take-up wheel 13 or the supply wheel 16. When the lever 2 is pulled out to the first position, the flywheel lever 29 rotates clockwise via the mandrel 27, and the flywheel cylindrical portion 11a moves toward the winding wheel 13.
When the motor comes into contact with the motor 7, the rotation can be transmitted, and by operating the start/stop button 3, recording, playback, or increasing the rotational speed of the motor 7 for fast forwarding is performed. Next, when the lever 2 is pulled out in two steps, the flywheel lever 29 rotates counterclockwise via the mandrel 27, and the flywheel cylindrical portion 11a comes into contact with the supply wheel 16, allowing rotation to be transmitted. Switch the terminals so that the direction of rotation is reversed. Start/stop button 3
If the push operation is repeated, the tape 19 will repeatedly run backwards and stop.

As a modification of the first embodiment, on the premise that a new tape or a tape that has been erased in another machine is used during recording, the erasing head may be omitted and only the recording head may be used, which further simplifies the recording. Of course, if the recording head is used as a recording/playback head, recording and playback become possible.

As described above, according to the present invention, the operating members of a tape recorder are arranged in a manner similar to the reuse operation of a watch, reducing the number of operating members, simplifying the operating movement, and reducing the amount of movement of the winding stem. The blocks for the supply car, take-up car, and cassette are placed in the center, and the block for the battery and motor, the time display board, and the microphone block are used to operate the necessary parts by omitting parts and spring parts. The case is divided into three parts, the cassette block, motor, battery, microphone, and time display plate are arranged without overlapping each other, and the flywheel is supported by a swinging lever placed between the main plate and the back cover. and stacked on the winder and supply car,
The motor is supported by the main plate and the belt pulley is attached to the back cover side, the power consumption of the power supply is reduced by allowing manual tape forwarding and rewinding, and the erasing head and recording head are fixed to one lever. In addition, the erasing head was omitted based on the assumption that erased tapes would be used, and the display section was also used for a tape recorder in combination with a clock. The internal structure is simple and ultra-compact, allowing for arbitrary recording and playback in conjunction with the clock's time function, and the ability to easily reproduce alarm messages on a tape recorder in conjunction with the clock's alarm function. It is possible to achieve a tape recorder that is thin and convenient as a portable device that can also be used as a notebook.

[Brief explanation of the drawing]

Figures 1 to 7 show a first embodiment of the present invention.
The figure is a plan view showing the overall configuration, FIGS. 2 to 5 are partial side sectional views, and FIGS. 6 and 7 are partial enlarged plan views of mechanical parts. The second embodiment of the present invention shown in FIGS. 8 to 12
In the example, Fig. 8 is a plan view of the external appearance of the case, and Fig. 9 -
FIG. 12 is a plan view showing the operation around the head lever. FIG. 13 is a plan view of the head lever and its surroundings, showing a third embodiment of the present invention. FIG. 14 is a plan view showing the operation around the flywheel lever in a fourth embodiment of the present invention. 1... Case, 2... Reuse, 2a... Winding stem, 3... Start/stop button, 4... Time adjustment button,
5...cassette, 6...lid, 7...motor, 8...
...Battery, 9...Circuit board, 10...Belt, 11...
...Flywheel, 11a...Flywheel tube section, 12...Flywheel lever, 13...
Winding wheel, 14... Main plate, 16... Supply car, 19
...Magnetic tape, 22...Erasing head, 23...
Recording head, 24...Head lever, 30...
Holding lever, 36...Switching lever cam, 38...
Switching car, 39... Switching plate, 42... Fourth transmission, 4
3...Third train, 44...Second train, 45...First train, 46...Kichiguruma, 47...Mike, 50
...Time display board, 51...Clock battery, 52...
...circuit for clocks.

Claims (1)

[Scope of Claims] 1. A wristwatch-shaped case, an operating member that can be operated from the outside, a flywheel lever that interlocks with the operating member, a flywheel rotatably supported by the flywheel lever, and a drive for the flywheel. It consists of a motor, a power source, a microphone, a circuit, a winding wheel, a supply wheel, a magnetic tape, a magnetic head lever that interlocks with the operating member, and a magnetic head mounted on the magnetic head lever; The flywheel
A section is provided in which the lever, the take-up wheel, the supply wheel, and the magnetic tape are arranged in an overlapping manner on the flywheel, and the motor, the power source, and the microphone are arranged in the section without overlapping, and the operating member The flywheel lever and magnetic head lever are moved to engage the flywheel with the take-up wheel and bring the magnetic head into contact with the magnetic tape, and the motor drives the take-up wheel via the flywheel to run the magnetic tape. This is an ultra-compact tape recorder that is capable of recording.