JP2016166909A - Sound generation card - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sound generation card in that an entry part of characters or the like is not restricted, sound transmission efficiency is excellent, and a postcard or the like is integrated with a recording/reproduction unit.SOLUTION: A recording/reproduction unit 30 for recording and reproducing sound by a piezoelectric element 32 comprises the piezoelectric element 32, a recording/reproducing circuit 44, thin-type batteries 46, 52, a recording switch 58, and a reproduction switch 64, each of them is stored in cutout parts 22A-22E, and a front side sheet 12 and a rear side sheet 14 without any sounding holes for the piezoelectric element 32 are bonded to the front and rear of a mount 20 while sandwiching the mount 20. An air conduit 24 connected to the outside is provided in a part for storing the piezoelectric element 32, thus increasing vibration efficiency so that space around the piezoelectric element 32 is sealed and the movement of the piezoelectric element 32 is not blocked. A supply voltage is increased by using the plurality of thin-type batteries 46, 52, and a sufficient sound volume is obtained even without holes for sounding in the front side sheet 12 and the rear side sheet 14.SELECTED DRAWING: Figure 2

Description

  The present invention relates to cards such as postcards and postcards, and more specifically to a sound generation card having a sound recording / playback function.

  2. Description of the Related Art Conventionally, postcards and the like capable of recording and reproducing voices have been used for recording and reproducing data and voices by communicating with an external device using an IC tag or the like. Further, as a technique in which a medium for recording a photograph or the like and a recording / reproducing unit having a function for recording / reproducing sound or the like are integrated, for example, there is an information recording medium with a sound recording / reproducing function described in Patent Document 1 below. .

  According to Patent Document 1, an electronic circuit having a recording / playback function, a recording / playback switch, a voice module composed of a flat speaker / microphone or the like using a piezoelectric element, and a spring-like terminal for holding a thin flat battery have a non-conductive adhesive. Pasted on a thin mount of paper or plastic material, and on one side of this is a photographic photographic paper or an information recording medium on which photographs, characters, pictures, etc. are recorded, and on the other side is a non-conductive material such as paper or plastic material. All the sheets are bonded together with a non-conductive adhesive.

JP 2011-164168 A

  However, in the technique described in Patent Document 1, a hole is provided at a position corresponding to a speaker / microphone of a recording / playback unit of a postcard or postcard (see FIG. 3 of the same document). This hinders the entry of characters on postcards and the like, and it was impossible to fill in the portion where the hole was formed. Moreover, since the hole is formed, the arrangement of the speaker / microphone is limited due to the relationship with the character entry portion, and it is difficult to efficiently transmit the vibration by arranging the speaker / microphone in the center of a postcard or the like. Met.

  The present invention pays attention to the above points, and provides a sound generation card that integrates a postcard and a recording / playback unit, which has no restriction on the entry part of characters and the like and has good sound transmission efficiency. That is the purpose.

  The sound generating card according to the present invention includes a first sheet having a sound emitting hole for the piezoelectric element, in which a recording / reproducing unit that records and reproduces sound using the piezoelectric element is accommodated in a recess formed in the mount. The second sheet is bonded to the front and back of the mount so as to sandwich the mount. One of the main forms is characterized in that the mount is provided with an air passage for connecting a recess for accommodating the piezoelectric element portion of the recording / reproducing unit and the outside.

  In another embodiment, the recording / reproducing unit records the sound signal from the piezoelectric element, memory, and the piezoelectric element that doubles as a speaker and a microphone, and the sound signal recorded in the memory. A recording / playback circuit for outputting a sound from the piezoelectric element, a thin battery for supplying power to the piezoelectric element and the recording / playback circuit, and a recording / playback switch for instructing recording / playback of the sound. It is characterized by. Yet another embodiment is characterized in that a plurality of the thin batteries are provided. The above and other objects, features and advantages of the present invention will become apparent from the following detailed description and the accompanying drawings.

  According to the present invention, the recording and reproducing unit for recording and reproducing the sound using the piezoelectric element is accommodated in the recess formed in the mount, and the first sheet and the second sheet having no sound emitting hole for the piezoelectric element are provided. This sheet was attached to the front and back of the mount so as to be sandwiched between the mounts. For this reason, in a sound generation card in which a postcard or the like and a recording / playback unit are integrated, there is no restriction on a part where characters and the like are written, the degree of freedom in arrangement is increased, and sound transmission efficiency can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows Example 1 of this invention, (A) is the top view which looked at the postcard from the surface, (B) is the said (A) cut | disconnected along the # A- # A line, and looked in the arrow direction. It is sectional drawing. It is a perspective view which shows the internal structure of the postcard of the said Example 1. FIG.

  Hereinafter, the best mode for carrying out the present invention will be described in detail based on examples.

  First, Embodiment 1 of the present invention will be described with reference to FIGS. This embodiment is an example in which the sound generation card of the present invention is applied to a postcard. FIG. 1 (A) is a plan view of the postcard of this embodiment as viewed from the front side, and FIG. 1 (B) is a cross-sectional view of (A) cut along line # A- # A and viewed in the direction of the arrow. is there. FIG. 2 is a perspective view showing the internal structure of the postcard of this embodiment. As shown in FIGS. 1B and 2, the postcard 10 of the example has a laminated structure in which the front side sheet 12 and the back side sheet 14 are bonded so as to sandwich the front and back sides of the mount 20.

  For example, as shown in FIG. 1A, the front side sheet 12 is printed with a postal code frame 80 and displays 84 and 86 indicating locations corresponding to a recording switch and a reproduction switch described later. The back sheet 14 is a blank sheet in the illustrated example, but may be appropriately provided with characters, patterns, and the like as necessary. The front side sheet 12 and the back side sheet 14 are formed in the same shape and the same size by a non-conductive sheet such as paper, for example, and are not provided with a sound emitting hole for a piezoelectric element to be described later.

  The mount 20 is a sheet formed in substantially the same shape and approximately the same size as the front sheet 12 and the back sheet 14, and is formed of a nonconductive material such as paper or plastic. As shown in FIG. 2, the mount 20 is formed with a cutout portion for accommodating the recording / reproducing unit 30. The cutout portion includes a plurality of cutout portions 22 </ b> A to 22 </ b> E that house the components constituting the recording / playback unit 30. In the illustrated example, a plurality of air passages 24 are formed around the cutout portion 22A so as to be connected to the outside. The air passage 24 is formed to a depth of about half the thickness of the mount 20. In this embodiment, the recording / reproducing unit 30 includes a piezoelectric element 32, a recording / reproducing circuit 44 with a built-in memory, thin batteries 46 and 52, a recording switch 58, and a reproducing switch 64. The cutout portions 22A to 22E are formed in a shape and dimensions that can accommodate these portions.

  As shown in FIG. 1B, the piezoelectric element 32 includes a metal plate 34 and a piezoelectric body 36, and an electrode layer (not shown) is provided on the surface of the piezoelectric body 36. The piezoelectric element 32 serves as both a speaker and a microphone. The recording / reproducing circuit 44 has a built-in memory, records the sound signal from the piezoelectric element 32 in the memory, and outputs the sound signal recorded in the memory as sound from the piezoelectric element. It is. The thin batteries 46 and 52 supply power to the piezoelectric element 32 and the recording / reproducing circuit 44. In this embodiment, two thin batteries 46 and 52 are used. The recording switch 58 is used when recording an audio signal from the piezoelectric element 32 in a memory, and the playback switch 64 is used when outputting the audio signal recorded in the memory as a sound from the piezoelectric element 32. Is. In this embodiment, thin push switches are used as the recording switch 58 and the reproduction switch 64.

  The metal plate 34 and the electrode layer of the piezoelectric element 32 are connected to the recording / reproducing circuit 44 by conductors 40 and 42, respectively. The thin batteries 46 and 52 are connected in series by a conductor 55. One thin battery 46 is connected to the recording / reproducing circuit 44 via a terminal 48 and a conductor 50, and the other thin battery 52 is connected to the recording / reproducing circuit 44 via a terminal 54 and a conductor 56. Yes. In this embodiment, the terminals 48 and 54 are directly connected to the thin batteries 46 and 52 by soldering or the like. The recording switch 58 is connected to the recording / reproducing circuit 44 by a conductor 60 and is also connected to a connecting portion between the conductor 50 and the recording / reproducing circuit 44 by a conductor 62. The playback switch 64 is connected to the recording / playback circuit 44 by a conductor 66 and is connected to the conductor 50, the conductor 62 and the recording / playback circuit 44 by a conductor 68.

  When the mount 20 is bonded to the front sheet 12 with a non-conductive adhesive or the like, the state shown in FIG. 2 is obtained, and the portions corresponding to the cutout portions 22A to 22E are the piezoelectric element 32 and the recording, respectively. The reproduction circuit 44, the thin batteries 46 and 52, the recording switch 58, and the reproduction switch 64 are accommodated. These parts are attached to the front sheet 12 with a non-conductive adhesive (not shown) or attached with a non-conductive tape 70 or the like. Or you may use an adhesive agent and the tape 70 together. And the postcard 10 is completed by affixing the back side sheet | seat 14 to the said mount 20 with the nonelectroconductive adhesive etc. which are not shown in figure.

  In the postcard 10, since neither the front sheet 12 nor the back sheet 14 is provided with a sound emitting hole for the piezoelectric element 32, there is no restriction on the position for writing characters or the like. Further, since it is not necessary to provide holes in the front side sheet 12 and the back side sheet 14, the degree of freedom of the arrangement of the piezoelectric elements 32 is high. As shown in FIG. 2, the piezoelectric elements 32 are provided near the center in the width direction. As a result, the transmission of vibration becomes uniform, and the transmission efficiency of sound is improved. In the present invention, by using two thin batteries 46 and 52, the power supply voltage is increased and the speaker output is increased, so that it is sufficient even if the front side sheet 12 and the back side sheet 14 do not have sound emission holes. The volume can be obtained. In addition to this, in this embodiment, by providing the air passage 24 that connects the space around the piezoelectric element 32 to the outside, the movement of the piezoelectric element 32 is inhibited by the space around the piezoelectric element 32 being sealed. Therefore, the vibration efficiency of the piezoelectric element 32 can be increased.

Thus, according to the first embodiment, there are the following effects.
(1) The recording / reproducing unit 30 for recording and reproducing sound using the piezoelectric element 32 is accommodated in the cutout portions 22A to 22E formed on the mount 20, and the front side sheet 12 having no sound emitting hole for the piezoelectric element is provided. And the back sheet 14 are bonded to the front and back of the mount 20 so as to sandwich the mount 20 therebetween. For this reason, in the postcard 10 integrated with the recording / playback unit, there is no restriction on the part where characters and the like are written, and the sound transmission efficiency can be improved by arranging the piezoelectric element 32 near the center.
(2) Since the power supply voltage is increased and the speaker output is increased by using a plurality of thin batteries 46 and 52, sufficient sound volume can be obtained even if the front sheet 12 and the back sheet 14 do not have sound emission holes. Is obtained.
(3) By providing the air passage 24 that connects the space around the piezoelectric element 32 to the outside, the movement of the piezoelectric element 32 due to the space around the piezoelectric element 32 being sealed can be prevented. 32 vibration efficiency can be increased
(4) Since thin push switches are used as the recording switch 58 and the reproduction switch 64, the mount 40 can be thinned and the entire postcard 10 can be thinned.

In addition, this invention is not limited to the Example mentioned above, A various change can be added in the range which does not deviate from the summary of this invention. For example, the following are also included.
(1) The shapes, dimensions, and materials shown in the above embodiments are examples, and may be changed as appropriate.
(2) In the above embodiment, the output voltage is increased by providing a plurality of thin batteries 46 and 52. However, this is also an example, and a battery having a high voltage may be used. Alternatively, a plurality of batteries having a high voltage may be used.
(3) The method of attaching each part constituting the recording / reproducing unit 20 shown in the above embodiment is also an example, and can be appropriately changed within a range where the same effect is obtained. For example, in the above-described embodiment, the thin batteries 46 and 52 and the terminals 48 and 54 are soldered. However, this is also an example and may be crimped.
(4) In the above-described embodiment, the cutout portion provided in the mount 20 is a recess that accommodates the recording / playback unit 20, but this is also an example, and it is a recess formed in a pocket shape without cutting out the mount 20 completely. May be.

(5) The air passage 24 shown in the above embodiment is also an example, and the air passage 24 may be provided as necessary. Further, when the air passage 24 is provided, it is not always necessary to increase the output voltage by using a plurality of thin batteries shown in (2) above or using a battery having a high voltage.
(6) In the above embodiment, voice (message etc.) is recorded / reproduced, but this is also an example, and it may be recording / reproduction of music, etc., or a combination thereof. . Further, it does not prevent the sound from being stored in the memory in advance and performing only the reproduction. The person who records and the person who reproduces may be different people or the same person.
(7) The recording / reproducing unit 30 may be provided with an LED so as to light up during reproduction. The light may pass through the sheets 12 and 14 or may leak out from the air path 24.
(8) In the above embodiment, the present invention is applied to the postcard 10. However, this is also an example, and the present invention can be applied to other cards in general. For example, the front side sheet 12 may be a photograph, and a card may be stood by putting a perforation in a part of the back side sheet 14 and pulling out the legs.

  According to the present invention, the recording and reproducing unit for recording and reproducing the sound using the piezoelectric element is accommodated in the recess formed in the mount, and the first sheet and the second sheet having no sound emitting hole for the piezoelectric element are provided. This sheet was attached to the front and back of the mount so as to be sandwiched between the mounts. For this reason, there is no restriction on the part where characters and the like are entered, and the sound transmission efficiency can be improved. Therefore, this is suitable for use as a sound generation card in which a postcard and the recording / playback unit are integrated.

10: Postcard 12: Front side sheet 14: Back side sheet 20: Mounts 22A to 22E: Cutout portion 24: Air passage 30: Recording / reproducing unit 32: Piezoelectric element 34: Metal plate 36: Piezoelectric layers 40, 42, 50, 56, 60, 62, 66, 68: Conductor 44: Recording / reproducing circuit 46, 52: Thin battery 48, 54: Terminal 58: Recording switch 64: Reproducing switch 70: Tape

Claims (4)

A recording / playback unit that records and plays back sound using a piezoelectric element is housed in a recess formed in the mount,
A sound generating card, wherein a first sheet and a second sheet having no sound emitting hole for the piezoelectric element are bonded to the front and back of the mount so as to sandwich the mount. On the mount,
2. The sound generating card according to claim 1, further comprising an air passage for connecting a concave portion for accommodating a piezoelectric element portion of the recording / reproducing unit and the outside. The recording / playback unit is
The piezoelectric element that doubles as a speaker and a microphone;
Memory,
A recording / reproducing circuit for recording the sound signal from the piezoelectric element in the memory and outputting the sound signal recorded in the memory as a sound from the piezoelectric element;
A thin battery for supplying power to the piezoelectric element and the recording / reproducing circuit;
A recording / playback switch for instructing recording / playback of the sound;
The sound generating card according to claim 1 or 2, characterized by comprising:   4. The sound generating card according to claim 3, wherein a plurality of the thin batteries are provided.

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