JPS5812169A - Method and device for reproduction of magnetic recording - Google Patents

Abstract

PURPOSE:To ensure a shift of a magnetic head at a stable speed and to realize the reproduction, by allowing a free up-down movement only in the vertical direction for the magnetic head as well as an elastic up-down movement by means of a spring and as a result keeping a vertical position at all times on a magnetic layer for the magnetic head. CONSTITUTION:A magnetic head holding socket 5 is stuck to the base frame of a wheel. A magnetic head 4 is supported in a free vertical/up-down movable way between the needle rolls which are held horizontally by a holding device 6 in the socket 5. Furthermore the head 4 is hanged sown from the upper part of the socket 5 via a head spring 8 to be loaded. A damper 9 made of a material like a felt or sponge type which absorbs easily the vibration is set between the socket 5 and the device 6.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for magnetic recording and reproduction, and more specifically, to an apparatus for reproducing music from a recording sheet, which is currently pending under Patent Application No. 56-6855. The main components consist of a mechanism that maintains the W1 header and handle vertically, and wheels that move them.In the case of the device illustrated in the yA development example, the wheel is moved in a plane perpendicular to the direction in which the axle runs. Because the mechanism of endothelial adjustment at Therefore, the linearity of running is poor, and the present invention was made to improve these drawbacks. This is shown in the drawings.
To explain, there are two axles 2 passing through the raw-shaped wheels (1, and two axles 3 are mounted on each of them. The outer circumference of the wheels 3. A step is formed on the ground surface that fits into the step of the protrusion or groove formed on the surface of the seat.Therefore, the shape of the axle is wheel 3-1, 3-2, or 3-3. It has one of the shapes of F4 is supported in a magnetic P holding socket 5 so as to be vertically movable while being sandwiched from both sides by a needle roller 7 which is held horizontally by a Zeta roller retainer 6.
Knee 1ζ roller 7 is magnetically vF due to the original type of roller bearing.
Reduces the resistance of the pulse of vertical movement. The magnetic spatula F4 is installed in a state where it hangs down from the top of the magnetic head holding socket via a spatula R spring 8. Head spring 8 is magnetic! 7F4 is crimped onto the magnetic layer and at the same time prevents it from falling off from the magnetic head holding socket.To magnetism? Between the retaining socket 5 and the retainer 6, there is a 5 inch (5 inch) plate made of a felt-like or cross-shaped material that easily absorbs vibrations. The tongue TF-9 suppresses the self-vibration of vF4 to the magnetic field and absorbs external vibrations so as not to affect the magnetic field.The 51 tongue TF-9 also suppresses the self-vibration of vF4 to the magnetic field and prevents it from affecting the magnetic field. is crimped onto the facing surface of the magnetic lip F4 to prevent rattling.The wheel base (1) is connected to the joint 11 by the lower joint pin 10 parallel to the axle, and within a relatively certain inner skin area. They are movable together.Samete n is connected to the support post 13 by an upper joint pin that is perpendicular to the lower joint vinyl zlO and parallel to the running direction of the wheel.Between the joint 11 and the support post 13 for
With the strut spring 14 interposed, the joint U and the strut 13 are elastically rotatable within a certain range of the dermis. Since the joint has the function of a universal joint, the magnetic head always maintains a vertical position even if it is tilted in the direction of 15 degrees. The friction wheel 17 rotates the single wheel 3 via the eye roller 18.The friction wheel 17 may directly rotate the wheel 5, but the eye roller 18 It is more advantageous in terms of depth. Also, it is more advantageous to use a gear instead of a wheel than a friction wheel due to vibration and Bizen O point. 12 has a belt grooved pulley 19
'tI is installed! Take it! 7. The belt 20 changes direction and rotates the belt holder 16. When should you use a tension wheel to constantly apply tension to the belt?
3 and axle base (L and O angle 8tv- Even if it becomes multi-ψ wrinkled, there is no need to worry about the bell F20'tI loosening and slipping Vl.

In order to prevent the wheels from slipping while running, it is necessary to apply a moderate load, but if this is applied by hand,
This causes wow and flutter.

Therefore, the electric motor g121 is mounted in the middle of the support υ with a partial shape so that a constant load is always applied to the wheel. Since this device has the #I structure as described above, it does not matter if the handle 15 is slightly tilted when held in the hand (the magnetic flux always maintains a vertical position above the compact layer) Move with a stable speed friend and play the recording.

4 An additional related invention is an invention of a device directly used for implementing the method of reproducing a recording from a recording sheet meter of the invention of Patent No. 56-066855, which is disclosed in Patent Law No. 31 East No. 3. stipulates. Complete additional patent requirements.

[Brief explanation of the drawing]

Figure 1 is a partially cutaway front view of the frame for zero wheels. Figure 42 is a partially cutaway side view of Figure 1. Fig. 3 is a partially cutaway rear view of Fig. 1, Fig. 4 is a side view of the wheel, Fig. 5 is a sectional view taken along line A-A of the wheel platform, and Fig. 6 is a bottom view of the wheel platform. , FIG. 7 is a partially cutaway front view of the device of the present invention. L・Skewer・Φ...Wheel 0 Frame 2...1100 Axle 30...Axle 4@0・War・-Kihe r 5・・・・・・-#Magnetic head holding socket 6... ...
...Toro retainer 7 @------ Knee F L Toro 8*II...
・Fist/spatula r spring 9 #0...Tongue 1 bar 10@0...@-Lower joint piston UΦ--Relay element 12--...Upper joint pin λ3...Fist・・Strut 14-・9・・Strut spring 15・e・・・Meeting wheel 160・・・・・Belt army 17・・・・Friction wheel 18・・・・・・・・Ai 19...Pulley 20 Dispute/Dispute 0...Belt 21...Electric motor patent applicant Sho Tsuchiya vl, 1 concave No. 20! F14 Tomoe Y-3 Fig. 5 Haku 6 M Shimu 7 characters M

Claims (1)

[Claims] l For magnetic recording reproduction, a magnetic heel is attached to the frame of a wheel driven by an electric motor, in which the magnetic heel is vertical. A device that can be moved up and down only in one direction, and is characterized by being able to move up and down elastically using a spring. 2 W1Ki to YF for recording, for playback, recording and playback electric layer,
An apparatus according to claim 1 for eliminating blanks. H. 1t perpendicular to the axle or near perpendicular to the outer circumferential contact surface of the wheel.
Claim 2r in which a step with a wall surface of % is formed
The device described in i4. 4. The device according to claim 311, wherein the step formed on the ground contact surface of the wheel has a cross section that includes the axle and is a U-shaped protrusion or a U-shaped projection. 5. The device according to any one of claims 2 to 4, wherein the rut air head F''f is vertically supported with both hook surfaces sandwiched between knee rollers. 6 = - "The device according to claim 5114, in which the rod is held horizontally by a rod retainer. ? Between the magnetic heel yF holding socket and the magnetic heel vF: /f: Claim 2 in which a member that easily absorbs vibrations such as an I-shaped member is interposed,
6th block QV1 The device described in any of the sections. 8. Claim 2, in which the wheel platform and the strut or joint that supports the wheel are rotatably connected to each other within a relatively certain inner skin area by a pin parallel to the axle.L No. 7 True: The device described in any of the clauses. 9. A patent in which the wheel stand frame and the strut or joint that supports the wheel are rotatably connected within a relatively certain inner skin range by pins parallel to the direction in which the wheel runs, and elastically connected by a rib. The device according to any one of claims 2nd TJ4 or 1 to 8th TJ4 or ν1. 10 wheels. The device according to claim 8 or 9, in which a belt wheel and a friction wheel or a gear are attached to a bin parallel to an axle that connects a platform (and a support or a joint). 11. Wheel platform frame Claim llI Clause 9 or 10, in which a pulley with a belt groove is attached to a bin parallel to the running direction of the wheel connecting the support or the joint.
Equipment as described. Recognition The wheel is rotated by a friction wheel directly or through an eye F5-, or rotated by a gear.
(D) The equipment described in any of the claims - 0υ Claim 2, in which a hinge is attached to the end of the support opposite to the end of the support to which the wheel frame is connected. The apparatus according to any one of claims 2 to 13. The apparatus according to any one of claims 2 to 13.