KR200259832Y1 - Two side signal conversion apparatus - Google Patents

Abstract

The present invention relates to a two-sided signal conversion device, and the leaf spring installed inside the frame; A plurality of signal conversion devices installed on both sides of the leaf spring, and the signal conversion device includes a yoke installed in contact with the leaf spring; A magnet installed inside the yoke; A plate installed on an upper surface of the magnet; A coil installed between the yoke and the magnet; It is composed of a diaphragm is installed in contact with one end of the coil.

As described above, the yoke, the magnet, and the plate vibrate together when the coil and the diaphragm vibrate by the driving power source, thereby improving the vibration force and installing the signal conversion device symmetrically based on the leaf spring. There is an advantage that the vibration can be stably performed.

In addition, the vibrator, buzzer, receiver, and speaker can be selectively performed according to the frequency modulation in one structure, thereby significantly reducing the space used by each of the four types of components, and reducing the cost. Can be.

In addition, there is an advantage that can implement the sound and vibration function at the same time in one structure, and when applied to the game machine by utilizing the advantage can be expressed realistic sounds and vibrations can increase the realism.

Description

Double-sided signal converter {TWO SIDE SIGNAL CONVERSION APPARATUS}

The present invention relates to a double-sided signal conversion device, and more specifically, to perform a powerful operation while simultaneously performing the buzzer, vibrator, speaker, and receiver functions in one device. It relates to a signal conversion device.

Typically, mobile phones, PCS phones (PERSONAL COMMUNICATION SERVICE PHONE), and wireless pagers have built-in speakers, buzzers, and vibrators for displaying incoming status from the other party through the base station. As the volume of the product becomes smaller, the volume of these components embedded in it also tends to be extremely small.

Accordingly, as a way to minimize the volume of various communication devices while providing various services to users of different layers, various signal converters having both a vibration function, a buzzer function, and a speaker function are required.

FIG. 1 is a view illustrating a configuration of a conventional speaker 10. As shown in the drawing, a cylindrical magnetic 12 and a yoke 13 are fixed to a fixing plate 17 in a case 11. The vibration plate 14 having the outer circumference fixed to the case 11 is positioned on the upper side thereof, and the coil 15 fixed on the vibration plate 14 is positioned between the magnetic 12 and the yoke 13. It is the structure which connected the edge part of the (15) with the lead wire 16 guide | induced outside the case 11. As shown in FIG.

In the figure, reference numeral 18 shows a cover for supporting the fixing plate 17.

In the conventional speaker 10, when an AC current is applied through the lead wire 16 connected to the coil 15, an electromagnetic force is generated in the coil 15 between the magnetic 12 and the yoke 13. ) Vibrates in the up and down direction by the left-hand rule of framing to vibrate the diaphragm 14 to generate sound.

However, the conventional speaker 10 as described above simply generates a sound, and when used in a mobile telephone pager or the like, there is a problem in that a small vibration motor capable of vibrating must be separately installed. It is difficult to use, and by using expensive vibration motors, it includes various problems such as manufacturing cost increase.

The present invention has been made to solve the above problems, the object of the present invention is to install a plate spring inside the frame and to configure a plurality of signal conversion devices on both sides of the leaf spring (BUZZER), vibrator (VIBRATOR) ), To provide a double-sided signal conversion device that can perform a powerful operation while simultaneously performing the speaker (SPEAKER) and receiver (RECEIVER) functions.

Another object of the present invention is to provide a double-sided signal conversion device to maximize the vibration effect when operating the vibrator function and to enable a more stable vibration operation.

In order to achieve the above object, the present invention includes a leaf spring installed inside the frame; A plurality of signal conversion devices installed on both sides of the leaf spring, and the signal conversion device includes a yoke installed in contact with the leaf spring; A magnet installed inside the yoke; A plate installed on an upper surface of the magnet; A coil installed between the yoke and the magnet; It is composed of a diaphragm is installed in contact with one end of the coil.

Sizes of the plurality of signal conversion devices are the same or different from each other.

The plurality of signal conversion devices may be operated simultaneously or separately.

The plurality of yokes, magnets, plates and leaf springs are each joined by a binder.

The plurality of yokes, magnets, plates, and leaf springs have rivet holes formed at their centers, and the rivets are penetrated through the rivet holes.

The leaf spring is formed with a plurality of through-holes having an arc shape at predetermined intervals along its radius and circumferential direction, and some of the through-holes are formed to communicate in a radial direction to have elastic force.

1 is a cross-sectional view showing the configuration of a conventional speaker system;

2 is a cross-sectional view showing the configuration of a double-sided signal conversion apparatus according to an embodiment of the present invention;

3 is a cross-sectional view showing the configuration of a double-sided signal conversion apparatus according to another embodiment of the present invention;

4A to 4F illustrate various examples of the leaf spring of FIG. 2.

<Explanation of symbols for the main parts of the drawings>

30: outer frame 31, 33: first and second jaw

40: internal frame 41: jaw

50,50 ′: Signal converter 51,51 ′: York

51a, 51a ′: Bending part 53,53 ′: Magnetic

55,55 ′: Plate 57,57 ′: Diaphragm

59,59 ′: coil

60 (61,63,65,61 ', 63', 65 '): leaf spring

61a, 61b, 61c: Through Hole 63a, 63b, 63c: Through Hole

65a, 65b: through hole 70: rivet

Hereinafter, with reference to the accompanying drawings 2 to 4f will be described in more detail the configuration and operation of the present invention.

As shown in the figure, having a plurality of first and second jaw portions 31 and 33 therein, and having a cylindrical outer frame 30 having a hollow state in which both ends thereof are open, and of the outer frame 30 An inner frame 40 having a jaw portion 41 and supporting the other end surface of the leaf spring 60 installed on the first jaw portion 31 and the leaf spring 60 in contact with the first jaw portion 31; It is composed of a plurality of signal conversion devices (50, 50 ') are installed in a symmetrical form with respect to the leaf spring (60).

One end of the signal conversion device (50, 50 ') is open, the yoke (51, 51') formed to have bending parts (51a, 51a ') at the open end, and the inside of the yoke (51, 51') Magnets 53 and 53 'installed at the end portions, plates 55 and 55' provided at the other end surfaces of the magnets 53 and 53 'in contact with the yokes 51 and 51', and the outer frame 30. It consists of a second jaw portion 33 and the diaphragm (57, 57 ') of the jaw portion 41 of the inner frame 40.

Coils 59 and 59 'are integrally connected to the diaphragms 57 and 57', and the coils 59 and 59 'are disposed between the yokes 51 and 51' and the magnets 53 and 53 '. It is installed to be located.

The plurality of signal conversion devices 50 and 50 'may have the same size or different shapes.

The yokes 51 and 51 ', the magnets 53 and 53', and the plates 55 and 55 ', which are symmetrically installed with respect to the leaf spring 60, are joined by a bonding agent, and the yoke 53, The outer surface of 53 ') is also brought into contact with and bonded to the upper and lower surfaces of the leaf spring 60 by a bonding agent.

2 is a view showing a state bonded by the bonding agent as described above.

FIG. 3 is a view showing another example in which the yokes 51 and 51 ', the magnets 53 and 53', the plates 55 and 55 'and the plate spring 60 are combined. As shown in FIG. Rivet holes ((51b, 51b '), (53b, 53b') in the substantially center portions of the yokes (51, 51 '), magnets (53, 53'), plates (55, 55 '), and leaf springs (60). , (55b, 55b ') and (60b) are formed, respectively, through the rivet holes (51b, 51b'), (53b, 53b '), (55b, 55b'), and (60b). The engagement relationship can also be achieved by through fastening.

4A to 4F are views illustrating various embodiments of the leaf spring 60 described above, and denoted by reference numerals for ease of explanation.

First, the leaf spring 61 shown in FIG. 4A has circular arc-shaped through holes 61a, 61b, and 61c formed at predetermined intervals along a radius and a circumferential direction, and a central portion of the leaf springs 61a, 61c is formed. It is formed to pass through.

The leaf spring 63 shown in FIG. 4C has arc-shaped through holes 63a, 63b, and 63c formed at predetermined intervals along the radius and the circumferential direction, and the through holes 63a and the through holes 63b are formed. It is formed so that approximately half of the arc is in communication, and one end of the through hole 63b communicating with the through hole 63a is formed to communicate with one end of the through hole 63c facing the one end thereof.

The leaf spring 65 shown in FIG. 4E forms arc-shaped through holes 65a and 65b at predetermined intervals along the radius and circumferential direction, and adjacent ends of the through holes 65a and 65 communicate with each other. It is formed to.

The leaf springs 61 ′, 63 ′ and 65 ′ shown in FIGS. 4B, 4D, and 4F are formed by varying the positions of the through holes shown in FIGS. 4A, 4C, and 4E. It is a figure which shows the example which formed.

In FIG. 4B, FIG. 4D, and FIG. 4F, the code | symbol of a through hole is abbreviate | omitted.

The double-sided signal conversion apparatus according to the present invention configured as described above selectively performs the role of a vibrator, a buzzer, a receiver, and a speaker according to a known frequency modulation in one structure.

That is, a driving power of a sine wave or a square wave having a predetermined frequency is supplied from the outside to generate a polarity opposite to the magnets 53 and 53 'as a current flows through the coils 59 and 59'.

Thus, the diaphragms 57 and 57 'connected to the coils 59 and 59' are vibrated by the pushing and pulling force generated by the change in polarity between the magnets 53 and 53 'and the coils 59 and 59'. Sound is generated.

Here, the vibrator, the buzzer, the speaker, and the receiver are selectively performed by the current flowing through the coils 59 and 59 'and the magnetic force lines of the magnets 53 and 53' according to the frequency and waveform of the driving power input from the outside. .

At this time, the signal conversion device 60 provided on both sides with respect to the leaf spring 60 can operate at the same time or use only one of them so that it can perform the features as a general one signal conversion device.

The leaf spring 60, which is a feature of the present invention, plays an important role in the operation of the vibrator function, and as described above, the magnetic field formed by the magnets 53 and 53 'and the coils 59 and 59'. By vibrating the coil 59, 59 'and the diaphragm 57, 57' in the up and down direction, the yoke (51, 51 ') and magnet coupled to the leaf spring 60 by the leaf spring 60 53 and 53 'and the plates 55 and 55' vibrate in the vertical direction at the same time, thereby improving the vibration function.

In addition, by installing the signal conversion devices 50 and 50 'on both sides of the leaf spring 60 as described above, when one signal conversion device is formed, the leaf spring vibrates up and down in one direction, that is, Movement to the upward or downward direction to provide a cause of the occurrence of various defects, it is possible to solve the problem that can act as a factor to reduce the vibration effect even during the vibration function operation.

In addition, as described above, by installing the signal converting devices 50 and 50 'on both sides of the leaf spring 60, the bass portion, which is a disadvantage of the existing small speaker, can be partially eliminated.

As described above, according to the present invention, according to the double-sided signal converter, the yoke, the magnet, and the plate vibrate together when the coil and the diaphragm vibrate by the driving power source, thereby improving the vibration force and the signal based on the leaf spring. By providing the converter symmetrically, there is an advantage that the vibration can be stably performed.

In addition, the vibrator, buzzer, receiver, and speaker can be selectively performed according to the frequency modulation in one structure, thereby significantly reducing the space used by each of the four types of components, and reducing the cost. Can be.

In addition, there is an advantage that can implement the sound and vibration function at the same time in one structure, and when applied to the game machine by utilizing the advantage can be expressed realistic sounds and vibrations can increase the realism.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by equivalents of the utility model registration scope as well as the utility model registration scope described below.

Claims (6)

A leaf spring installed inside the frame; It includes a plurality of signal conversion devices installed on both sides based on the leaf spring, The signal conversion device is yoke which is installed in contact with the leaf spring; A magnet installed inside the yoke; A plate installed on an upper surface of the magnet; A coil installed between the yoke and the magnet; Double-sided signal conversion device, characterized in that consisting of a diaphragm is installed in contact with one end of the coil. The method of claim 1, Double-sided signal conversion apparatus characterized in that the size of the plurality of signal conversion devices are formed the same or different from each other. The method of claim 1, The plurality of signal conversion apparatus is a double-sided signal conversion device, characterized in that the operation at the same time or operate separately. The method of claim 1, And the plurality of yokes, magnets, plates, and leaf springs are respectively joined by a bonding agent. The method of claim 1, The plurality of yokes, magnets, plates and leaf springs are each formed with a rivet hole in the center, the rivet through the rivet hole through the two-sided signal conversion device, characterized in that fastening. The method of claim 1, The plate spring has a plurality of through-holes having an arc shape are formed at predetermined intervals along its radius and circumferential direction, the through-holes are formed so that some of the through-holes in the radial direction.