JP2000047817A - Input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an input device which has high accuracy and can vary the resistance value of only a desired distortion detection element. SOLUTION: This input device has a hole 6 formed between the beam parts 4a and 4c adjacent to each other and also has the distortion detection elements 20a and 20c which are placed on the top surfaces of the parts 4a and 4c. In such an arrangement, the parts 4c and 4a are not affected owing to the presence of the hole 6 when an operating part 3 of an operating member 2 is brought down in the X1 and X2 directions and in the Y1 and Y2 directions, respectively. As a result, the resistance value of only a desired distortion detection element can be varied and the accuracy is improved for the input device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an input device using a distortion detecting element used for a computer or the like.

[0002]

2. Description of the Related Art In a conventional input device using a distortion detecting element, as shown in FIG. 21, an operating member 51 made of a synthetic resin having flexibility has a prismatic operating portion 51a and a lower portion of the operating portion 51a. And three plate-like bases 51b, 51c, and 51d extending radially at an angle of 90 degrees from each other, and three plate-like bases 51b, 51c, and 51b below the operation unit 51a.
The operation member 51 is attached to a frame 50 of a keyboard used in a computer by an appropriate means. The operating member 51 is configured such that the base portions 51b, 51c, and 51d are bent by tilting the operating portion 51a in the X1 and X2 directions and the Y1 and Y2 directions, respectively. It grows or shrinks according to the amount of defeat. Further, in the manufacture of such an operation member 51, the injection port C (see FIG. 21) is provided at the position of the space portion conforming to the shape of the operation member 51 and the end of the base portion 51c.
Is prepared, a liquid synthetic resin is injected into the space from the injection port C, and the operation member 51 is manufactured by molding.

On one surface of a flexible substrate 52 made of a polyester material, two strain detecting elements 53 and 54 made of a resistor are connected to the strain detecting elements 53 and 54, and silver-based conductive ink is printed thereon. Lead wire 5 formed
5 and 56 are provided. Then, a part of such a flexible substrate 52 is provided on the upper surfaces of the bases 51b and 51c arranged at an angle of 90 degrees, on the strain detecting elements 53 and 54.
The side where is not formed is directly attached with adhesive,
One strain detecting element 53 is mounted on the base 51b, and the other strain detecting element 54 is mounted on the base 51c.

The operation of the input device is performed by tilting the operation section 51a of the operation member 51 in the X1 direction.
When the upper surface of the base 1b is bent in the extending direction, the strain detecting element 53 disposed on the base 51b is also expanded to increase the resistance value, and when the operation unit 51a is tilted in the X2 direction, the base 51 is bent.
b The upper surface bends in the shrinking direction, and the strain detecting element 53 arranged on the substrate 51b also shrinks to reduce the resistance value. When the operation unit 51a is tilted in the Y1 direction, the resistance value of the strain detection element 54 increases according to the same principle as described above, and further,
When tilted in the Y2 direction, the resistance value of the strain detection element 54 decreases. FIG. 22 shows a voltage detection circuit diagram of a conventional input device. One end of each of the distortion detection elements 53 and 54 is connected to the ground G, and the other end of the distortion detection element 53 is connected to the terminal Tx. The other end of the strain detecting element 54 is connected to the terminal Ty, and a voltage divided by a voltage dividing resistor provided on the circuit side is taken out. , And the computer reads the change in the voltage value.
The cursor is controlled so that the movement of X2 or Y1, Y2 is the up, down, left, or right movement of the cursor.

[0005]

The conventional input device includes bases 51b, 51c, and 51d provided on an operation member 51.
The length of the bases 51b and 51c is different because the length is limited by the regulation of the attachment position to the frame 50,
For this reason, when the operation unit 51a is tilted by a predetermined angle, the deflection amounts of the bases 51b and 51c are different, and the distortion detection element 5
There is a problem that a large deviation occurs in the change in the resistance value between 3 and 54, and a high-precision one cannot be obtained. Also, the base 51
b and 51c have a configuration in which the root portions of the operation unit 51a are connected to each other by a connection unit 51e.
When the operation unit 51a is tilted in the Y1 and Y2 directions when the operation unit 51a is tilted in the Y1 and Y2 directions, the base unit 51b is affected by the base unit 51c when the operation unit 51a is tilted in the X1 direction. There is a problem that a large change in the resistance value occurs in the other strain detection element that does not require a change in the resistance value.

[0006]

According to a first aspect of the present invention, there is provided an operation unit, one end of which is connected to the operation unit, and a hole is provided between the operation unit and the operation unit. An operating member having a plurality of beam portions extending in a right angle direction, a flat base connected to the other end of the beam portion, and a strain detecting element disposed on an upper surface of the beam portion. The beam portions were arranged at an angle of 90 degrees between the beam portions. Further, as a second solution, the beam portion is arranged in a cross shape. As a third solution, the thickness of the beam connected to the base is made different according to the length of the base from the connection to the beam to the end. Further, as a fourth solution, a structure is formed in which the thickness of the beam portion connected to the base portion having a shorter length is greater than the thickness of the beam portion connected to the base portion having the longer length. And Further, as a fifth solution, the thickness of one pair of the beam portions of the two pairs of the beam portions arranged to face each other across the operation portion is set to be greater than the thickness of the other pair of the beam portions. The structure was made thin.
As a sixth solution, the upper surfaces of the beam portion and the base portion are made flat, and a concave portion for varying the thickness of the beam portion is formed on the lower surface side of the beam portion. As a seventh solution, the beam portion is formed in a trapezoidal shape such that the width connected to the operation portion is wide and the width connected to the base portion is small. did.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an input device according to the present invention will be described with reference to FIGS.
18 are all related to the input device of the present invention, FIG. 1 is a plan view thereof, FIG. 2 is a sectional view taken along line 2-2 in FIG. 1, and FIG. 3 is a sectional view taken along line 3-3 in FIG. FIG. 4 is a cross-sectional view, FIG. 4 is a plan view in which a flexible substrate is combined with an operation member, FIG. 5 is a plan view of the operation member, FIG. 6 is a bottom view of the operation member, and FIG. 8 is a perspective view of a main part of the operating member, FIG. 9 is an explanatory view showing the manufacture of the operating member, FIG. 10 is a plan view of the flexible board, FIG. 11 is an explanatory view showing wiring of the flexible board, and FIGS. FIG. 17 is a plan view of an insulating plate, FIG. 18 is a plan view of a shield plate, FIG. 19 is a voltage detection circuit diagram thereof, and FIG. 20 is a diagram of the voltage detection circuit diagram of FIG. It is a circuit diagram.

An input device using the distortion detecting element of the present invention will be described with reference to FIGS. 1 to 18. The mounting plate 1 which is made of a relatively thick metal plate and constitutes a keyboard frame or the like, A plurality of cut-and-raised bendable tongue pieces 1
a is provided. The flexible operating member 2 made of a synthetic resin or a molded product of synthetic resin containing glass fiber (deformed polyphenylene ether) has a hollow portion provided therein, as shown in particular in FIGS. A prismatic operation unit 3,
One end is connected at a lower portion of the operation unit 3, and four beam portions 4 a, 4 b, 4 c, 4 d extending in a cross shape radially at an angle of 90 degrees to each other in a direction perpendicular to the axis of the operation shaft 3.
A plate-like base 5a, 5b, 5c, 5d connected to the other end of each of the beams 4a, 4b, 4c, 4d and extending radially and having a flat upper surface together with the beams; The adjacent beam portions 4a, 4b, 4 provided at the corners of the portion 3
It has a triangular hole 6 separating c and 4d, and a depression 7 provided on the upper surface of the base at the triangular position.

As shown in FIG. 7, the operating member 2 has a base portion 5a, 5b, 5c, 5d having a length L from a connection portion with the beam portions 4a, 4b, 4c, 4d to an end portion. The mounting position on the mounting plate 1 is regulated and different depending on parts incorporated in the keyboard and the like, and the base portions 5a, 5b, 5c,
Depending on the length L of the beam 5d, the thickness H of the beam 4a, 4b, 4c, 4d connected to each of the bases 5a, 5b, 5c, 5d is set on the lower surface side of the beam 4a, 4b, 4c, 4d. Recess 8
Is different. The thickness H is set so that the beam portion connected to the base portion having the longer length L of the base portions 5a, 5b, 5c, and 5d is thin, and the beam portion connected to the base portion having the shorter length L is thicker. In this embodiment, the thickness H of the beam portion 4a is the thickest, the thickness H of the beam portion 4b is thickest, and then the beam portions 4c and 4d are formed to the same thickness. Compared to the thickness H of the pair of beams 4a and 4b opposed to each other across the operation unit 3, another pair of beams 4c and 4c opposed to each other across the operation unit 3 is provided.
The configuration is such that the thickness H of 4d is reduced.

Further, as shown in FIG. 1, the operation unit 3 can be tilted in the directions of arrows X1, X2 and Y1, Y2.
Based on this fall, the beam portions 4a, 4b, 4c, and 4d bend and the upper surface side is extended or contracted. When the operation unit 3 is fallen at a certain angle, the length L of the base portion is reduced.
The shorter the beam, the greater the deflection of the beam portion as compared to the longer beam, and as described above, the bases 5a, 5b, 5c, 5
By changing the thickness H of the beam portions 4a, 4b, 4c, 4d according to the length L of d, the deflection of the beam portions 4a, 4b, 4c, 4d due to the difference in the length L of the base portions 5a, 5b, 5c, 5d. The size can be changed, and the beam portions 4a, 4
B, 4c, and 4d can be uniformly bent. Further, due to the presence of the holes 6 provided between the beams 4a, 4b, 4c, and 4d, when the operation unit 3 is tilted, the adjacent beams are bent without being affected by each other. You can do it.

The beams 4a, 4b, 4c, and 4d have a wide width on the side connected to the operation unit 3 as shown in FIGS. 5, 6, and 8, and the bases 5a, 5b, and 5c. , 5d are formed in a trapezoidal shape such that the width of the side connected to the side is narrowed, thereby suppressing a large bending of the beam part on the operation part 3 side as compared with the base part side when the operation part 3 is tilted. In addition, a uniform deflection is obtained for the entire beam portion. The operating member 2 is provided with a convex portion 9 on a lower surface thereof at a position facing the operating portion 3, and as shown in FIGS.
a, 5b, 5c, and 5d are placed on the mounting plate 1 and when the operating member 2 is mounted on the mounting plate 1, the convex portion 9 is brought close to the mounting plate 1 so that the operating portion When the operator 3 is depressed, the convex portion 9 comes into contact with the mounting plate 1 to prevent the operation portion 3 from dropping strongly. In this embodiment,
Four holes 6 are provided, and cross-shaped beam portions 4a, 4b, 4c,
Although 4d is shown, for example, a configuration in which holes 6 are provided between a plurality of beam portions 4a and 4c formed at an angle of 90 degrees and adjacent beam portions 4a and 4c. Good.

[0012] Further, as shown in FIG. 9, the manufacturing of the operation member 2 is performed by a space 1 corresponding to the shape of the operation member 2.
And a mold 12 provided with an inlet 11 communicating with the space 10 at the position of the upper end of the operation unit 3.
A liquid synthetic resin or a synthetic resin containing glass fiber is injected into the space portion 10 from below, and the operation member 2 is manufactured by molding. When the operating member 2 is formed by injecting the synthetic resin or the synthetic resin containing glass fiber from the position of the upper end portion of the operating section 3 as described above, the injection port 11 is positioned at a substantially central portion of the operating member 2. At the same time, the relatively thick operating portion 3 to the relatively thin beam portion 4a,
The liquid synthetic resin flows to 4b, 4c, 4d and the bases 5a, 5b, 5c, 5d, so that the flow of the liquid synthetic resin is good, the quality is constant, and the operation with good precision is achieved. The member 2 is obtained.

A film-like flexible substrate 13 made of an insulating material such as polyimide is particularly suitable for use in the case of FIGS.
As shown in FIG. 6, a band-like portion 14, a rectangular projecting portion 15 protruding from a side end of the band-like portion 14, and a rectangular shape formed over the projecting portion 15 and the band-like portion 14 at the position of the projecting portion 15. In the hole 16 and the position around the hole 16,
4 and a plurality of through holes 17 provided in the overhanging portion 15. A conductive pattern 18 formed by printing a silver paste or the like is provided on the upper surface of the flexible substrate 13, and a connection conductor 19 formed by printing a silver paste or the like is formed on the lower surface of the flexible substrate 13.
Is provided.

Further, on the upper surface of the flexible substrate 13,
Strain detecting elements 20a, 20 made of resistors formed by printing resistive ink with both ends connected to the conductive pattern 18 at positions facing each other with the hole 16 interposed therebetween.
b, 20c, 20d, and a resistor 21 which is a detection element formed by printing resistive ink with both ends connected to the conductive pattern 18 at positions far away from the distortion detection element. Have been. The strain detecting elements 20a, 20b, 20c, 20d and the resistor 21 are conductors formed in the through holes 17, and are appropriately connected by connecting the conductive pattern 18 and the connection conductor 19. It has become. On the upper surface of the flexible substrate 13, as shown in FIG. 16, the strain detecting elements 20a, 20b, 20c, 20d and the resistor 21
And a covering portion 22 made of an insulating material for covering and protecting a part of the conductive pattern 18 connecting them, and a covering portion 23 made of an insulating material for covering and protecting a lead-out portion of the conductive pattern 18 to the outside. In addition, a covering portion 24 made of an epoxy-based insulating material is provided on the lower surface of the flexible substrate 13 so as to cover the overhang portion 15, the band portion 14, and the connection conductor 19 located around the hole 16. Configuration.

Then, such a flexible substrate 1
3, and the distortion detection elements 20a, 20b, 20c, 20d
The manufacturing method such as will be described with reference to FIGS.
First, as shown in FIG. 12, a silver paste is printed on the upper surface of the flexible substrate 13 to form lands constituting a part of the conductive pattern 18, and the through holes 17 are provided in the flexible substrate 13. Next, as shown in FIG. 13, silver paste is printed on the upper surface of the flexible substrate 13 to form the entire conductive pattern 13, and the flexible substrate 13 is provided with holes 16 for inserting the operation unit 3. Next, as shown in FIG. 14, while connected to the conductive pattern 13, a resistive ink is printed on the upper surface of the flexible substrate 13 so that the strain detecting elements 20a, 20b, 20
c, 20d and the resistor 21 are formed. Next, as shown by a dotted line in FIG. 15, a silver paste is printed on the lower surface of the flexible substrate 13 to form the connection conductor 19, and a silver paste conductor is formed in the through hole 17. 19 and the conductive pattern 18 on the upper surface. Next, as shown in FIG. 16, an insulating material is printed on the upper surface of the flexible substrate 13 so that the strain detecting elements 20a, 20b, 2
0c, 20d, a resistor 21, and a covering portion 22 for covering a part of the conductive pattern 13 are formed.
3 is formed, and finally, an epoxy-based insulating material is printed on the lower surface of the flexible substrate 13 to form a coating 24 that covers the connection conductor 19.
Its manufacture is completed.

The circuit configuration of the input device of the present invention is as follows:
As shown in FIGS. 19 and 20, the distortion detecting elements 20a and 20a
0b, the strain detecting elements 20c and 20d are connected in series, respectively, and the strain detecting elements 20a and 20b connected in series and the strain detecting elements 20c and 20d connected in series are connected in parallel. ing. A resistor 21 is provided between the connection between the strain detecting elements 20b and 20d and the ground G.
A voltage V is supplied from a connection portion with 0c, and a divided voltage is taken out from terminals T1 and T2, and a voltage due to a change in the resistance value of the resistor 21 is taken out from a terminal T3.

Here, the distortion detecting elements 20a, 20b, 2
Since the resistance values of 0c and 20d are all the same in the initial state, the voltage of the terminal T1 and the voltage of the terminal T2 are
In each case, the voltage at the terminal T3 and the median value of the voltage V are exactly the same. Then, for example, when the resistance value of the strain detection element 20a decreases and the resistance value of the strain detection element 20b increases, the voltage at the terminal T1 increases. Thereby, the device to which the present apparatus is connected can move the cursor in the X-axis direction. Similarly, when the resistance values of the strain detection elements 20c and 20d change, the voltage at the terminal T2 increases,
Thereby, the cursor in the Y-axis direction can be moved. Furthermore, when the operating shaft 3 is pressed in the axial direction, the resistance of the resistor 21 does not change much compared to the change in the resistance of the strain detecting elements 20a to 20d, so that the voltage at the terminal T3 changes. The cursor can be controlled according to the change in the Z-axis direction.

As shown in FIGS. 2 to 4, the flexible board 13 having the above structure is configured such that the operating section 3 of the operating member 2 is inserted into the hole 16 and the epoxy-based covering section 24 is formed.
The flexible substrate 13 is moved to the upper surface of the operating member 2, that is, the beam portions 4a, 4b,
4c, 4d and the upper surfaces of the bases 5a, 5b, 5c, 5d are adhered. Then, when bonded, the strain detecting element 2
0a is on the beam 4a, the strain detecting element 20b is on the beam 4b, the strain detecting element 20c is on the beam 4c, the strain detecting element 20d is on the beam 4d, and the resistor 21 is the base. It is mounted in a state located above 5d.

Although the above embodiment has been described using four strain detecting elements 20a, 20b, 20c, and 20d, two strain detecting elements 20a and 20c may be used. As shown in FIG. 17, a film-shaped insulating plate 25 made of an insulating material is provided with a band-like portion 26 and a projecting portion 27 protruding from a side end of the band-like portion 26.
And a hole 28 formed over the overhang portion 27 and the band portion 26. And this insulating plate 25
As shown in FIGS. 2 and 3, the operation unit 3 of the operation member 2 is inserted through the hole 28, is placed on the flexible substrate 13, and is attached to the coating units 22 and 23 with an adhesive. In addition,
The insulating plate 25 is not simply attached by an adhesive, but simply
What is mounted on the flexible substrate 13 may be used. When the insulating plate 25 is mounted on the flexible substrate 13, the insulating plate 25 allows the strain detecting elements 20 a, 2
0b, 20c, 20d, the resistor 21, and a part of the conductive pattern 18 are covered together with the covering parts 22, 23, and as shown in FIG. 2, a part of the band-like part 26 is an end of the base 5c. It protrudes from the portion and covers the lead-out portion of the conductive pattern 18 near the operation portion 3.

As shown in FIG. 18, a shield plate 29 made of a metal plate, such as an aluminum foil, has a strip 30 and an overhang 31 formed to protrude from a side end of the strip 30.
And a hole 32 formed over the overhang portion 31 and the strip portion 30, and three protruding pieces 33 provided at the strip portion 30 and the overhang portion 31. As shown in FIGS. 1 to 3, the shield plate 29 is inserted into the hole 30 through the operation portion 3 of the operation member 2 and placed on the insulation substrate 25 or attached to the insulation substrate 25 with an adhesive. Then, except for a part of the band-like portion 26 of the insulating substrate 25, almost the entire surface is covered, and the protruding piece 33 is located in the depression 7 of the operation member 2. The shield plate 29
Is the one that has been bonded to the insulating substrate 25 in advance,
Also, it may be inserted into the operation unit 3 and attached on the flexible board 13.

Then, after the flexible board 13, the insulating plate 25, and the shield plate 29 are mounted on the operating member 2 as shown in FIGS. The tongue piece 1a of the mounting plate 1 is
The operating member 2 is attached by bending the operating member 2 together with the protruding piece 33 of the shield plate 29. At this time, the bases 5a, 5b, 5c,
The flat lower surface of 5d is placed on the mounting plate 1 and the projection 9
A small gap is formed between the shield plate 29 and the tongue 1a, and the shield plate 29 allows the conductive pattern 18 on the operation member 2 and the strain detecting elements 20a, 20b, The upper portions of 20c and 20d are electrically shielded.

The input device operates as follows. When the operation unit 3 of the operation member 2 is tilted in the X1 direction,
Since the upper surface of the beam portion 4a flexes in the extending direction and the upper surface of the beam portion 4b flexes in the contracting direction, the resistance value of the strain detecting element 20a on the beam portion 4a increases, but the strain detection on the beam portion 4b is detected. The resistance of element 20b decreases. Conversely, when the operation portion 3 of the operation member 2 is tilted in the X2 direction, the upper surface of the beam portion 4a bends in the contracting direction and the upper surface of the beam portion 4b bends in the extending direction. While the resistance of the element 20a decreases, the resistance of the strain detection element 20b on the beam 4b increases. In any case, a change occurs in the voltage of the terminal T1,
The device to which the apparatus is connected can move the cursor in the X-axis direction.

When the operating portion 3 of the operating member 2 is tilted in the Y1 direction, the upper surface of the beam portion 4c flexes in the extending direction and the upper surface of the beam portion 4d flexes in the contracting direction. While the resistance value of the strain detection element 20c increases, the resistance value of the strain detection element 20d on the beam 4d decreases. Conversely, when the operation portion 3 of the operation member 2 is tilted in the Y2 direction, the upper surface of the beam portion 4c bends in the contracting direction and the upper surface of the beam portion 4d bends in the extending direction. While the resistance of the element 20c decreases, the resistance of the strain detection element 20d on the beam 4d increases. In any case, a change occurs in the voltage of the terminal T2, and the cursor can be moved in the Y-axis direction.

When the operating portion 3 of the operating member 2 is pressed in the axial direction, the operating portion 3 moves in a small gap between the projection 9 and the mounting plate 1, so that the resistance value of the resistor 21 is slightly reduced. Change, which changes the voltage at terminal T3,
The cursor is moved in the Z-axis direction. As described above, the cursor is moved in the X, Y, and Z-axis directions by the movement of the operation unit 3, and static electricity generated when the operation unit 3 is operated is dissipated by the shield plate 29 due to the presence of the shield plate 29. The conductive pattern 18 and the strain detecting elements 20a, 20b, 20c, and 20d disposed on the operation member 2 do not break down.

[0025]

According to the input device of the present invention, the adjacent beam portions 4a are provided.
Hole 4 is provided between the first and second beams 4a and 4c, and the strain detecting elements 20a and 20c are provided on the upper surfaces of the beams 4a and 4c.
Due to the presence of the hole 6, the operation unit 3 of the operation member 2 is moved to X1, X
When tilted in two directions, the beams 4c, Y1, Y2
When it is tilted in the direction, it does not affect the beam 4a,
The resistance value of only the strain detection element to be changed can be changed, and an input device with good accuracy can be provided. Also, by arranging the beam portions 4a to 4d in a cross shape, 9
The two beam portions arranged at 0 degrees are selected, and a strain detecting element can be provided thereon, so that the degree of freedom in design can be obtained, and further, the beam portions 4a to 4d , Four strain detection elements 20a to 20d can also be provided,
The operation member 2 that can be shared by various products can be provided, and an input device with good productivity can be provided.

Also, the bases 5a to 5d are set in accordance with the length L of the bases 5a to 5d from the connecting portions to the ends of the beams 4a to 4d.
Since the thicknesses H of the beam portions 4a to 4d connected to the base member are made different, the deflection of the beam portions 4a to 4d in the long and short lengths L of the base portions 5a to 5d can be adjusted, and the accuracy is good. Input device can be provided. In addition, the thickness H of the beam connected to the long base having a small length L is small, and the thickness H of the beam connected to the base having a short length L is large. , The bending of the beam portions 4a to 4d can be made uniform, and an accurate input device can be provided. Further, the thickness H of the pair of beam portions 4a and 4b with the operation portion 3 interposed therebetween.
Is made thinner than the thickness H of the other pair of beams 4c and 4d, so that the length L of the base can be selected, and accordingly, a device that is compatible with the regulation of the mounting position on the keyboard or the like is obtained, and flexibility is obtained. An input device having a certainty can be provided.

Also, the upper surfaces of the beam portions 4a to 4d and the base portions 5a to 5d are made flat, and the concave portions 8 are provided on the lower surfaces of the beam portions 4a to 4d to obtain the thickness H of the beam portions 4a to 4d. , The strain detecting element 20a on the flat upper surface of the operating member 2.
To 20d and the like can be uniformly arranged, and the bases 5a to 5d of the operating member 2 can be installed uniformly and parallel to the mounting plate 1, providing an input device with good accuracy and good productivity. In addition, the beam portions 4a to 4d are formed in a trapezoidal shape such that the width connected to the operation unit 3 is wide and the width connected to the bases 5a to 5d is small. This suppresses a large bending of the beam 3 on the side of the operation unit 3 as compared to the base side, which is caused when the operation unit 3 is tilted, and a uniform bending of the beam as a whole is obtained. Can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view of an input device according to the present invention.

FIG. 2 is a sectional view taken along line 2-2 of FIG. 1;

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a plan view showing a combination of an operation member and a flexible substrate according to the input device of the present invention.

FIG. 5 is a plan view of an operation member according to the input device of the present invention.

FIG. 6 is a bottom view of the operation member according to the input device of the present invention.

FIG. 7 is a sectional view taken along line 7-7 in FIG. 5;

FIG. 8 is a perspective view of a main part of an operation member according to the input device of the present invention.

FIG. 9 is an explanatory view showing the manufacture of the operation member according to the input device of the present invention.

FIG. 10 is a plan view of a flexible substrate according to the input device of the present invention.

FIG. 11 is an explanatory diagram showing wiring of a flexible substrate according to the input device of the present invention.

FIG. 12 is an explanatory view showing the manufacture of the flexible substrate according to the input device of the present invention.

FIG. 13 is an explanatory view showing the manufacture of the flexible substrate according to the input device of the present invention.

FIG. 14 is an explanatory view showing the manufacture of the flexible substrate according to the input device of the present invention.

FIG. 15 is an explanatory view showing the manufacture of the flexible substrate according to the input device of the present invention.

FIG. 16 is an explanatory view showing the manufacture of the flexible substrate according to the input device of the present invention.

FIG. 17 is a plan view of an insulating plate according to the input device of the present invention.

FIG. 18 is a plan view of a shield plate according to the input device of the invention.

FIG. 19 is a voltage detection circuit diagram according to the input device of the present invention.

20 is a circuit diagram in which the voltage detection circuit diagram of FIG. 19 is easily understood.

FIG. 21 is a perspective view of a conventional input device.

FIG. 22 is a diagram of a voltage detection circuit according to a conventional input device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mounting plate 1a Tongue piece 2 Operating member 3 Operating part 4a Beam part 4b Beam part 4c Beam part 4d Beam part 5a Base part 5b Base part 5c Base part 5d Base part 6 Hole 7 Depression part 8 Recessed part 9 Convex part 10 Cavity part 11 Filling port 12 Gold Mold 13 Flexible substrate 14 Strip 15 Overhang 16 Hole 17 Through hole 18 Conductive pattern 19 Connection conductor 20a Strain detection element 20b Strain detection element 20c Strain detection element 20d Strain detection element 21 Resistor 22 Coating section 23 Coating section 24 Coating section 25 Insulating plate 26 Strip 27 Overhang 28 Hole 29 Shield plate 30 Strip 31 Overhang 32 Hole 33 Protrusion L Length H Thickness T1 terminal T2 terminal T3 terminal

Claims (7)

[Claims] 1. An operating portion, a plurality of beam portions having one end connected to the operating portion, a hole provided between adjacent portions, and extending in a direction perpendicular to an axis of the operating portion, and the other end of the beam portion An operation member having a flat base connected to the beam member; and a strain detecting element disposed on an upper surface of the beam portion, wherein the beam portions are arranged at an angle of 90 degrees between the plurality of beam portions. An input device characterized by being provided. 2. The input device according to claim 1, wherein said beam portions are arranged in a cross shape. 3. The thickness of the beam portion connected to the base portion varies according to the length of the base portion from a portion connected to the beam portion to an end portion. Or 2
Input device as described. 4. A structure in which the thickness of the beam portion connected to the base portion having a shorter length is greater than the thickness of the beam portion connected to the base portion having the longer length. The input device according to claim 3. 5. The method according to claim 1, wherein, of the two pairs of beams arranged opposite to each other with the operation unit interposed therebetween, the thickness of one pair of beams is made thinner than the thickness of the other pair of beams. The input device according to claim 4, characterized in that: 6. A structure according to claim 3, wherein upper surfaces of said beam portion and said base portion are made flat, and a concave portion for varying a thickness of said beam portion is formed on a lower surface side of said beam portion. Or the input device according to 4, or 5. 7. The trapezoidal shape in which the width of the beam portion connected to the operation portion is wide and the width of the beam portion connected to the base portion is small. Item 7. The input device according to item 1, or 2, or 3, or 4, or 5, or 6.