JP2010181756A - Keyboard apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a keyboard apparatus for fixing light emitting elements in a stable condition and preventing the light emitted by the light emitting elements from leaking into adjacent keys, with a simple constitution. <P>SOLUTION: A plurality of light transmissive keys 7 are provided to rotate in a vertical direction on a keyboard chassis 6. In the keyboard chassis 6, first and second boards 24 and 27 having a plurality of projection parts 25 and 28 inserted into each inner part of the plurality of keys 7 in a non-contact state are raised. In each of the projection parts 25 and 28 of the first and second boards 24 and 27, there are provided a plurality of light emitting elements 26 and 29 irradiating each inner part of the plurality of keys 7 with light. Thus, no holding member is required for holding the light emitting elements 26 and 29, so that the number of parts is reduced, the constitution is simplified, assembly work is facilitate. The light emitting elements 26 and 29 can be fixed in a stable condition, and the light emitted by the light emitting elements 26 and 29 can be prevented from leaking into adjacent keys 7. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a keyboard device used for a keyboard instrument such as an electronic piano, and more particularly to a keyboard device in which each key sequentially emits light according to a performance.

  Conventionally, in a keyboard instrument such as an electronic piano, as described in Patent Document 1, a plurality of keys are arranged on a keyboard chassis so as to be rotatable in the vertical direction, and each key is provided on the keyboard chassis. A plurality of light emitting elements for irradiating light are provided in the interior, and when performing by sequentially pressing the keys, the plurality of light emitting elements are sequentially lighted according to the performance, thereby responding to the performance. A device having a navigation function for instructing by flashing a key to be pressed is known.

JP 2001-34268 A

  However, in such a conventional keyboard instrument, in order to provide a plurality of light emitting elements on the keyboard chassis, a board is horizontally arranged on the keyboard chassis along the key arrangement direction, and the plurality of light emitting elements is arranged on the board. Each lead wire is connected to each other, and a plurality of light emitting elements are mounted in a standing state on the substrate, so that each light emitting element becomes unstable and light emitted by each light emitting element is adjacent. There is a problem that it is easy to leak into the key.

  In order to solve such problems, it has been considered that a holding member is provided upright on a substrate and a plurality of light emitting elements are held by the holding member. However, in such a configuration, the plurality of light emitting elements are stably held by the holding member, and the light from the plurality of light emitting elements can be prevented from leaking to the adjacent key by the holding member. Since the holding member must be provided, there are problems that the number of parts increases, the structure becomes complicated, and the assembling work becomes troublesome.

  A problem to be solved by the present invention is a keyboard device capable of fixing a light emitting element in a stable state with a simple structure and suppressing light emitted from the light emitting element from leaking to an adjacent key. Is to provide.

In order to solve the above problems, the present invention includes the following components.
The invention according to claim 1 is provided with a keyboard chassis, a plurality of light-transmitting keys arranged on the keyboard chassis and provided so as to be rotatable in the vertical direction, and standing upright on the keyboard chassis. , A substrate having a plurality of protrusions to be inserted into each of the plurality of keys in a non-contact state, and provided on each of the plurality of protrusions of the substrate, and irradiating each of the plurality of keys with light. A keyboard device comprising a plurality of light emitting elements.

  According to a second aspect of the present invention, the light emitting device is a side light emitting diode that is formed in a substantially rectangular parallelepiped chip shape and emits light from an upper surface that is one side surface thereof. It is a keyboard device.

  According to a third aspect of the present invention, an engagement portion is provided on each of the substrates corresponding to the protrusions at predetermined intervals among the plurality of protrusions. 3. A locking hook portion for engaging with the engaging portion of the board and fixing the board to the keyboard chassis is provided, respectively. It is a keyboard apparatus of description.

  According to a fourth aspect of the present invention, when the plurality of keys are pressed onto the substrate at a position located between the plurality of protrusions, the inner surface of each key pressed is attached to the substrate. The auxiliary stopper part with which the lower end part of each of the pressed keys is in contact with the corresponding projecting part and the light emitting element being in a non-contact state is provided, respectively. Any of the keyboard devices described above.

  According to the present invention, the plurality of protrusions of the board provided upright on the keyboard chassis are inserted into the plurality of keys in a non-contact state, and the light emitting elements are respectively raised on the inserted plurality of protrusions. In addition to being easy to assemble with a simple structure and a small number of parts, the light emitting element can be stably fixed by the protrusions of the board inserted into the key. In addition, the light emitted from the light emitting element can be prevented from leaking to the adjacent key by the protrusions of the substrate.

It is the top view which showed one Embodiment of the keyboard musical instrument to which this invention is applied. It is the expanded sectional view which showed the principal part in the AA arrow of FIG. It is the expanded sectional view which showed the principal part in the BB arrow of FIG. It is the expanded sectional view which showed the principal part in the attachment structure of the light emitting element which illuminates a white key in FIG. It is an expanded sectional view of an important section showing a modification of one embodiment.

Hereinafter, an embodiment of a keyboard instrument to which the present invention is applied will be described with reference to FIGS.
As shown in FIG. 1, the keyboard instrument includes a musical instrument body 1. A keyboard portion 2 is provided on the front side (lower side in FIG. 1) of the instrument body 1, and a speaker portion 3 is provided on the rear side (upper side in FIG. 1) of the keyboard portion 2 in the instrument body 1. , A display unit 4 and a switch unit 5 are provided.

The speaker unit 3 is for generating musical sounds, and is provided on both sides of the instrument body 1 located on the rear side (upper side in FIG. 1) of the keyboard unit 2 as shown in FIG. The display unit 4 displays musical tone information and is provided in an intermediate portion of the instrument main body 1 located on the rear side of the keyboard unit 2. The switch unit 5 includes various switches such as volume control and tone color selection, and is distributed between the speaker units 3 on both sides of the instrument body 1 located on the rear side of the keyboard unit 2 except for the display unit 4. ing.

By the way, as shown in FIGS. 1-3, the keyboard part 2 has the many keys 7 which consist of the white key 7a and the black key 7b on the keyboard chassis 6 which also serves as a lower case. As shown in FIG. 2, the keyboard chassis 6 has a front cover 8 that covers the lower side of the front end of the white key 7a on the front side (left side in FIG. 2). A white key stopper portion 9 made of felt or the like for regulating the lower limit position of the white key 7a is provided at the rear lower portion of the front cover portion 8 (lower right portion in FIG. 2).

As shown in FIG. 2, a white key guide portion 10 that is inserted into the white key 7a to prevent lateral movement of the white key 7a is provided at the rear portion (right side in FIG. 2) of the white key stopper portion 9. Projecting upward. A white key first substrate mounting portion 11 to be described later is provided on the rear portion of the white key guide portion 10 so as to protrude upward. A black key stopper portion 12 made of felt or the like for regulating the lower limit position of the black key 7b is provided at the lower rear portion of the first substrate mounting portion 11.

As shown in FIG. 2, a black key second board mounting portion 13 to be described later is provided on the rear portion (right side in FIG. 2) of the black key stopper portion 12 so as to protrude upward. An upper limit stopper portion 14 made of felt or the like for regulating the upper limit positions of the white key 7a and the black key 7b is provided on the lower surface of the upper portion of the second substrate mounting portion 13 for black keys. Further, a bottom lid 13a is attached to the lower end portion of the black key second board mounting portion 13 by a screw 13b so as to be opened and closed.

Further, as shown in FIG. 2, the black key second board mounting portion 13 is inserted into the rear portion (right side portion in FIG. 2) of the black key 7b to prevent lateral movement of the black key 7b. The black key guide portion 15 is provided so as to protrude upward. A switch board 16 is attached to the rear end upper portion of the black key guide portion 15. Further, at the rear end portion of the keyboard chassis 6, a key support portion 17 that supports the rear end portion (right end portion in FIG. 2) of each key 7 is provided so as to protrude upward.

On the other hand, among the plurality of keys 7, the plurality of white keys 7a are each made of a white synthetic resin having optical transparency, and the inside thereof is formed in a hollow shape as shown in FIGS. As shown in FIG. 2, each white key 7a is arranged at the rear end portion (right end portion in FIG. 2) along the arrangement direction of the plurality of white keys 7a (in FIG. A common connecting portion 18 that is sequentially connected is formed, and a thin-shaped bent portion 19 is formed in the common connecting portion 18 so as to rotate and displace each white key 7a in the vertical direction. .

Similarly to the white key 7a, each of the plurality of black keys 7b is made of a black synthetic resin having light transparency, and the inside thereof is formed in a hollow shape as shown in FIGS. As shown in FIG. 2, the black key 7b is also formed with a common connecting portion 20 for sequentially connecting the black keys 7b along the arrangement direction of the plurality of black keys 7b at the rear end portion (right end portion in FIG. 2). In addition, the common connecting portion 20 is formed with a thin-shaped bent portion 21 for rotating and displacing each black key 7b in the vertical direction.

As a result, as shown in FIG. 2, the plurality of keys 7 overlap the common connecting portion 18 of the white key 7a on the common connecting portion 20 of the black key 7b, and in this state, connect the common connecting portions 18 and 20 of both. By mounting on the key support portion 17 provided at the rear end of the keyboard chassis 6, the plurality of white keys 7 a and the plurality of black keys 7 b can be rotated in the vertical direction while being arranged on the keyboard chassis 6. Is attached.

For this reason, when the plurality of white keys 7a are pressed, the plurality of white keys 7a are rotated and displaced in the vertical direction by the bent portions 19, respectively, and the plurality of black keys 7b are When each key is pressed, the plurality of black keys 7b are configured to be rotationally displaced in the vertical direction by the bent portions 21, respectively.

The white key 7a and the black key 7b are each provided with a switch pressing portion 22 corresponding to each rubber switch 23 on the switch board 16, as shown in FIG. The switch pressing portion 22 is configured to press each rubber switch 23 provided on the switch substrate 16 when the white key 7a and the black key 7b are pressed.

In this case, as shown in FIG. 2, the rubber switch 23 is provided corresponding to each switch pressing portion 22 of the white key 7a and the black key 7b. The rubber switch 23 is disposed on the switch substrate 16 by forming a dome-like bulge portion on the rubber sheet. When the bulge portion is pressed in this state, the dome-shaped bulge portion is elastically deformed, The movable contact provided in the interior comes into contact with the fixed contact provided on the switch board 16 so that a switch signal is output in response to a key pressing operation.

By the way, in the first board mounting portion 11 of the keyboard chassis 6, as shown in FIGS. 2 and 3, the first board 24 for white keys stands upright slightly inclined to the rear side (right side in FIG. 2). It is attached. The first substrate 24 is formed elongated along the arrangement direction of the white keys 7a. As shown in FIG. 3, a plurality of protrusions 25 are formed on the first substrate 24 so as to be inserted into the white keys 7a in a non-contact state. Each of the plurality of protrusions 25 is provided with a white key light emitting element 26 for irradiating light inside the front side of each white key 7a on each upper front surface (left side surface in FIG. 2).

Similarly, in the second board mounting portion 13 of the keyboard chassis 6, as shown in FIGS. 2 and 3, the second board 27 for black keys stands upright slightly inclined to the front side (left side in FIG. 2). It is attached. The second substrate 27 is elongated along the arrangement direction of the black keys 7b. Similar to the first substrate 24, a plurality of protrusions 28 are formed on the second substrate 27 so as to be inserted into the black keys 7b in a non-contact state. On the upper front surface (left side surface in FIG. 2) of the plurality of protrusions 28, there are provided black key light emitting elements 29 for irradiating light inside the front sides of the respective black keys 7b.

In this case, as shown in FIGS. 2 to 4, the white key light-emitting element 26 and the black key light-emitting element 29 are each formed in a substantially rectangular parallelepiped chip shape, and emit light only from the upper surface which is one side surface thereof. It is a side light emitting diode that emits light. Since the light emitting elements 26 and 29 are formed in a substantially rectangular parallelepiped chip shape, as shown in FIGS. 2 and 4, the rear surface (the right side surface in FIG. 2) has the first and second substrates 24. , 27 are mounted in a planar manner in a state of being in close contact with the upper front surface (left side surface in FIG. 2) of each protrusion 25, 28 and being electrically connected with solder or the like.

Thereby, when the light emitting element 26 for white key emits light from the upper surface which is one side surface thereof, as shown in FIG. 2, the light is irradiated to the inside of the front side of the white key 7a. A part of the white key 7a is transmitted so that the front side of the white key 7a is illuminated. Similarly to the white key light-emitting element 26, the black key light-emitting element 29 emits light from the upper surface, which is one side surface thereof, and as shown in FIG. 2, the light enters the front side of the black key 7b. A part of the irradiated light is transmitted through the black key 7b so that the front side of the black key 7b is illuminated.

Incidentally, as shown in FIG. 3, the first and second substrates 24 and 27 are provided with a plurality of engagement holes 30 and 31 at predetermined intervals. That is, as shown in FIG. 3, the plurality of engagement holes 30 provided in the first substrate 24 are rectangular holes and are respectively provided at positions on the first substrate 24 corresponding to the protrusions 25 at predetermined intervals. Is provided. The plurality of engagement holes 31 provided in the second substrate 27 are also rectangular holes like the engagement holes 30 of the first substrate 24, and the second substrate corresponding to the protrusions 28 at predetermined intervals. 27 locations are provided respectively.

Further, as shown in FIGS. 2 and 4, the first and second board mounting portions 11 and 13 of the keyboard chassis 6 are respectively provided with the engagement holes 30 in the first and second boards 24 and 27. , 31 are provided with a plurality of locking hook portions 32, 33 for fixing the first and second substrates 24, 27 to the keyboard chassis 6 respectively.

That is, as shown in FIGS. 2 and 4, the locking hook portion 32 provided on the first board mounting portion 11 of the keyboard chassis 6 is inserted into each engagement hole 30 of the first board 24 on the rear side (in FIG. 4). By inserting and engaging from the right side to the front side (left side in FIG. 4), the first substrate 24 is attached to the first substrate mounting portion 11 while being tilted slightly rearward. It is configured.

Further, as shown in FIG. 2, the locking hook portion 33 provided on the second board mounting portion 13 of the keyboard chassis 6 is inserted into each engagement hole 31 of the second board 27 from the front side (left side in FIG. 2) from the rear side. By inserting and engaging toward the side (right side in FIG. 2), the second substrate 27 is configured to be attached to the second substrate mounting portion 13 while being tilted slightly forward and upright. .

Furthermore, as shown in FIG. 3, each white key 7a is pressed into a portion of each of the first and second substrates 24, 27 located between the plurality of protrusions 25 on the first substrate 24. When the key is locked, the white portion of the pressed white key 7a is in contact with the inner surface of each pressed white key 7a, and the lower end portion of each pressed white key 7a is in contact with the light emitting element 26. A key auxiliary stopper 34 is provided.

Similarly to the first substrate 24, when the respective black keys 7b are depressed, the positions of the second substrate 27 that are located between the plurality of projections 28 are also depressed. A black key auxiliary stopper 35 is provided on the inner surface of each black key 7b so that the projection 28 and the light emitting element 29 corresponding to the black key 7b are in a non-contact state and the lower end of each pressed black key 7b contacts. ing. The first and second substrates 24 and 27 are electrically connected by a connection cable 36 as shown in FIG.

Next, the operation of such a keyboard instrument will be described.
When playing with this keyboard instrument, when each key 7 is depressed in accordance with the performance, the light emitting elements 26 and 29 corresponding to the key 7 to be depressed are caused to emit light one after another. The keys 7 can be illuminated sequentially. For example, when the key 7 to be pressed is one of a plurality of white keys 7a, when the light emitting element 26 corresponding to the white key 7a is caused to emit light, the light is emitted to the inside of the front side of the white key 7a, When a part of the irradiated light passes through the white key 7a, the front side of the white key 7a can be illuminated.

Further, when the key 7 to be pressed is one of the plurality of black keys 7b, when the light emitting element 29 corresponding to the black key 7b is caused to emit light, the light is irradiated to the front side inside the black key 7b, When a part of the irradiated light passes through the black key 7b, the front side of the black key 7b can be illuminated. As a result, the keys 7 to be depressed can be sequentially illuminated according to the performance, so that even if the performer is a beginner, the performance can be performed satisfactorily.

Further, in this keyboard instrument, when a performer performs a performance by depressing a plurality of keys 7, the key 7 pressed according to the performance is illuminated by the corresponding light emitting elements 26 and 29. Thus, the performer can confirm which key 7 is pressed, and thereby, it can be determined whether the key 7 is correctly pressed according to the performance.

Thus, according to this keyboard instrument, a plurality of light-transmitting keys 7 are arranged on the keyboard chassis 6 so as to be rotatable in the vertical direction, and the plurality of keys 7 are arranged on the keyboard chassis 6. First and second substrates 24 and 27 having a plurality of protrusions 25 and 28 to be inserted in a non-contact state are provided in the respective interiors, and the first and second substrates 24 and 27 are provided. Since each of the protrusions 25 and 28 is provided with a plurality of light emitting elements 26 and 29 for irradiating light inside each of the plurality of keys 7, the structure is simple and the light emitting elements 26 and 29 are fixed in a stable state. In addition, the light emitted from the light emitting elements 26 and 29 can be prevented from leaking to the adjacent key 7.

That is, in this keyboard instrument, a plurality of protrusions 25 that are inserted into each of a plurality of keys in a non-contact state on first and second substrates 24 and 27 provided upright on the keyboard chassis 6, respectively. 28, and the light emitting elements 26 and 29 are provided on the plurality of protrusions 25 and 28, respectively, so that a holding member for preventing the light emitting elements 26 and 29 from falling is unnecessary. Since the number of parts can be reduced, the structure becomes simple and the assembly work can be easily performed.

Further, in this keyboard instrument, the light emitting elements 26 and 29 can be provided without being raised on the first and second substrates 24 and 27. Therefore, the holding member for preventing the light emitting elements 26 and 29 from falling over. The light emitting elements 26 and 29 can be securely fixed to the protrusions 25 and 28 of the first and second substrates 24 and 27 in a stable state without using the first and second elements. The light emitted from each light emitting element 26, 29 can be prevented from leaking to the adjacent key 7 by the respective substrates 24, 27 and the respective projections 25, 28, so that only the key 7 to be depressed is good. Can shine.

In this case, since the light emitting elements 26 and 29 are formed in a substantially rectangular parallelepiped chip shape and are side light emitting diodes that emit light from the upper surface that is one side surface thereof, the upper surface that is one side surface is directed upward. Then, the rear surface (the right side surface in FIG. 2) is brought into close contact with the upper front surface (the left side surface in FIG. 2) of the projections 25 and 28 provided on the first and second substrates 24 and 27 by plane mounting. Can be securely fixed in an electrically connected state.

For this reason, the light emitting elements 26 and 29 can be securely attached to the projections 25 and 28 of the first and second substrates 24 and 27 in a stable state. The light emitting elements 26 and 29 are attached to the upper front surfaces of the protrusions 25 and 28 of the first and second substrates 24 and 27, respectively, so that the light emitting elements 26 and 29 emit light. Since the light can be reliably radiated to the inside of the front side of the key 7, the light emitted from the light is prevented from leaking to the adjacent key 7 by the projections 25 and 28, so that the front side of the key 7 is shined well. be able to.

In addition, among the plurality of projections 25 and 28 provided on the first and second substrates 24 and 27, the first and second substrates 24 at locations corresponding to the projections 25 and 28 at predetermined intervals. , 27 are provided with engagement holes 30, 31 respectively, and the first and second substrates are provided at predetermined positions of the keyboard chassis 6, that is, the first and second substrate mounting portions 11, 13, respectively. Locking hook portions 32 and 33 are provided for engaging the respective engagement holes 30 and 31 of 24 and 27 to fix the first and second substrates 24 and 27 to the keyboard chassis 6. Therefore, the first and second boards 24 and 27 can be easily attached and fixed to the keyboard chassis 6 without using a fastening member such as a screw.

In other words, the first board 24 can be moved to the first board simply by inserting the engaging hooks 32 provided on the first board mounting part 11 of the keyboard chassis 6 into the respective engagement holes 30 of the first board 24 and engaging them. It can be easily attached to the mounting portion 11 in a state where it is tilted slightly rearward to stand up. Further, the second substrate 27 is attached to the second substrate mounting portion 13 simply by inserting the engaging hook portions 33 provided on the second substrate mounting portion 13 into the respective engagement holes 31 of the second substrate 27 and engaging them. It can be easily installed in a state where it is tilted slightly forward and upright. For this reason, the first and second substrates 24 and 27 can be easily attached without using a fastening member such as a screw in a state where the light emitting elements 26 and 29 are attached to the first and second substrates 24 and 27, respectively. Since it can be assembled to the keyboard chassis 6, the assembling work can be improved.

In this case, since the first substrate 24 is attached to the first substrate mounting portion 11 of the keyboard chassis 6 while being tilted slightly rearward by the locking hook portion 32, the projection of the first substrate 24 is By adjusting the irradiation range of the light emitted from the light emitting element 26 provided in the portion 25, the light from the light emitting element 26 can be efficiently irradiated to the inside of the front side of the white key 7a. Similarly, since the second board 27 is erected and attached to the second board mounting portion 13 of the keyboard chassis 6 while being tilted slightly forward by the locking hook portion 33, the protruding portion of the second board 27. By adjusting the irradiation range of the light emitted by the light emitting element 29 provided in 28, the light from the light emitting element 29 can be efficiently irradiated to the front side inside of the black key 7b.

Further, when a plurality of keys 7 are pressed on each of the substrates 24 and 27 located between the plurality of protrusions 25 and 28 provided on the first and second substrates 24 and 27, respectively. In addition, the protrusions 25 and 28 and the light emitting elements 26 and 29 corresponding to the inner surfaces of the keys 7 that are pressed are in a non-contact state, and the lower end of each key 7 that is pressed contacts the auxiliary stopper. Since the portions 34 and 35 are respectively provided, when the key 7 is pressed strongly and the front lower end portion of the key 7 comes into contact with the stopper portions 9 and 12 that regulate the lower limit position, the key 7 is further lowered. Even if the key 7 is bent to the side, it is possible to reliably prevent the inner surface of the key 7 from coming into contact with the protrusions 25 and 28 and the light emitting elements 26 and 29. 29 can be prevented from being damaged.

In the above-described embodiment, the case where the light emitting elements 26 and 29 are provided on the upper front surfaces of the protrusions 25 and 28 provided on the first and second substrates 24 and 27 is described. 5, for example, as shown in FIG. 5, a recess 38 is provided above each protrusion 15, 28 provided on each of the first and second substrates 24, 27, and is positioned below the recess 38. Alternatively, the light emitting elements 26 and 29 may be provided on the front surfaces of the protrusions 25 and 28, respectively.

If comprised in this way, when the key 7 is pushed strongly and the front side lower end part of the key 7 contacts each stopper part 9 and 12 which controls a lower limit position, the key 7 will bend further downward, Even if the inner surface of the key 7 is in contact with the upper ends of the protrusions 25 and 28, the concave portions 38 of the protrusions 25 and 28 reliably prevent the light emitting elements 26 and 29 from contacting the inner surface of the key 7. Thus, even if the key 7 is pressed hard, the light emitting elements 26 and 29 can be reliably prevented from being damaged.

In the embodiment, the case where the light emitting elements 26 and 29 are respectively provided on the protrusions 25 and 28 provided on the first and second substrates 24 and 27 has been described. Not limited to this, a configuration in which a plurality of light emitting elements 26 and 29 are provided on one protrusion 25 and 28 may be employed. In this case, if a plurality of light emitting elements 26, 29 provided on one protrusion 25, 28 are made to emit light in different colors, for example, red, blue, yellow, etc., the player's preference The key 7 can be illuminated with a color corresponding to the color.

Furthermore, in the said one embodiment, the common connection part 18 is provided in the rear end part of the white key 7a among the keys 7 via the bending part 19, and is connected in common to the rear end part of the black key 7b via the bending part 21. The case where the portion 20 is provided and the common connecting portion 18 of the white key 7a is mounted on the key support portion 17 of the keyboard chassis 6 while the common connecting portion 20 of the black key 7b is overlapped is described. First, a support shaft is provided on the key support portion 17 of the keyboard chassis 6, and the rear ends of the plurality of white keys 7a and the plurality of black keyboards 7b are rotatably attached to the support shaft. Can be applied to a keyboard device configured to rotate independently in the vertical direction.

DESCRIPTION OF SYMBOLS 1 Musical instrument main body 2 Keyboard part 6 Keyboard chassis 7 Key 7a White key 7b Black key 11, 13 Each 1st, 2nd board mounting part 17 Key support part 18, 20 Common connection part 19, 21 Bending part 24, 27 1st , Second substrates 25, 28 Protruding portions 26 29 Light emitting elements 30, 31 Engaging holes 32, 33 Locking hook portions 34, 35 Auxiliary stopper portions

Claims (4)

Keyboard chassis,
A plurality of keys having optical transparency arranged on the keyboard chassis and provided so as to be rotatable in the vertical direction;
A board that is provided upright on the keyboard chassis and has a plurality of protrusions that are inserted into each of the plurality of keys in a non-contact state;
A keyboard device comprising: a plurality of light emitting elements respectively provided on the plurality of protrusions of the substrate and irradiating light inside the plurality of keys.   The keyboard device according to claim 1, wherein the light emitting element is a side light emitting diode that is formed in a substantially rectangular parallelepiped chip shape and emits light from an upper surface that is one side surface thereof.   Of the plurality of protrusions, an engagement portion is provided on each of the boards corresponding to the protrusions at predetermined intervals, and the engagement of the board is provided at a predetermined position of the keyboard chassis. The keyboard device according to claim 1, wherein a locking hook portion is provided for engaging with a portion to fix the board to the keyboard chassis. When the plurality of keys are pressed on the substrate located between each of the plurality of protrusions, the corresponding protrusions and the light emission on the inner surface of each key pressed. The keyboard device according to any one of claims 1 to 3, wherein an auxiliary stopper portion with which a lower end portion of each pressed key is brought into contact with each other in a non-contact state is provided.

Images