JPH0217524A - Vector input device - Google Patents

Abstract

PURPOSE:To improve the operability by processing the coordinates data inputted by a matrix input part in a time series and in the vector input by a logic function part. CONSTITUTION:A vector input device provides a matrix input part 10, a logic function part 20, an actuator 30 and a displaying part 40 and the matrix input part 10 inputs the position information of the point pushed by a finger and the like with (x) and (y) coordinates. The coordinates data inputted by the matrix input part 10 are processed in a time series by the logic function part 20 and the vector input having a starting point (x0, y0) and a termination (x1, y1) is obtained. Further, the type of the vector is discriminated and in the same as the conventional operation button, the actuator 30 or the displaying part 40 is controlled. Thus, the operator only may grasp the position of the matrix input part 10.

Description

[Detailed Description of the Invention] [Summary] A matrix input board on which position information can be input by touching it with the hand or the like is used as a vector input section, and equipment can be controlled without visually checking the operation section.

[Industrial application field]

The present invention relates to a vector input device using a matrix input board.

Being able to operate in-vehicle devices without checking the location or type of the control button eliminates the need for the driver to shift his/her line of sight, which is convenient for both the operability of in-vehicle devices and safe driving. good.

[Conventional technology]

Figure 19 is an explanatory diagram of the vicinity of the driver's seat of the vehicle, where 1 is the steering wheel, 2 is the turn signal lever, 3 is the light control button, 4 is the wiper control lever 5 is the speedometer and other meters, and 6 is the in-vehicle electronic equipment. be.

The position of the lever 3.4 necessary for operating the vehicle can be easily determined without visual inspection, and the operating angle (amount) is large, so the operability is good. Furthermore, meters that need to be visually checked are located in positions that are easiest to see while driving.

On the other hand, in-vehicle electronic devices 6 such as tape decks that are not directly related to the operation of the vehicle are generally installed on a console or the like, so even if the operating section 7 is within reach of the driver, no button can be pressed. You won't know where it is unless you visually inspect it. In particular, diversified equipment has a large number of buttons (and each phase is small, making it difficult to operate).

[Problem to be solved by the invention]

As shown in FIG. 20, the operation procedure for the above-mentioned in-vehicle electronic device 6 includes "location confirmation" between "thinking" and "operating".
This is not desirable from the standpoint of driving safety and equipment operability.

The present invention enables various operations to be performed without visually checking the operating section.

[Means to solve the problem]

FIG. 1 is a schematic configuration diagram of the present invention, in which IO is a matrix manual section, 20 is a logical function section, 3o is an actuator, and 40 is a display section.

The matrix input unit 10 inputs position information of a point pressed by a finger or the like in x and y coordinates. Figure 2 shows the X.

It shows the weight of the y-coordinate value, with the horizontal axis representing X and the vertical axis representing y.

[Effect]

In the present invention, the coordinate data inputted by the matrix input section 10 is processed in a time series by the logic function section 20, and treated as a vector input having a starting point (x0, y0) and an ending point (Xy+) as shown in FIG. Then, determine the type of this vector,
The actuator 30 or the display unit 40 is controlled in the same way as a conventional operation button.

In this way, the operator only needs to know the position of the matrix input section 10, and as in the operating procedure shown in FIG. Ru. In particular, if a transparent sheet-like material is used for the matrix input section 10, it can be installed in a position that is within the field of view of the driver, which is convenient as an operation section for in-vehicle electronic equipment operated by the driver.

(Embodiment) FIGS. 5 and 6 are configuration diagrams of various parts showing an embodiment of the present invention, and FIG. 7 is a time chart thereof.

FIG. 5 is an explanatory diagram of the matrix input section 10, (al is a configuration diagram. The matrix input section 10 of this example is made by overlapping two transparent sheets 11 and 12, and when a part of the sheet is pressed, , the x and y coordinate values Xn and Yn of the pressed position can be detected.Each sheet is made of ultra-fine (20 μm) material such as stainless steel.
It consists of a transparent contact part 14 in which a large number of fine metal wires 13 (about 1 fi) are arranged on a transparent film at minute intervals (for example, 1 fi), and a position detection part 15 using a band-shaped resistor, and between them (
A spacer 16 is interposed as shown in b).

Due to the presence of this spacer 16, the thin wires 13 above and below the portions that are not pressed are kept in a non-contact state.

When point Yn of Y sheet 11 and point Xn of X sheet 12 come into contact, a constant current l flows, and 1+, I on the input side of Y sheet 11.
Divided into 2. Of these, the current 2 flows through the detection resistor RY and then merges with the current 11.

The shunt ratio of I+, 12 is a variable resistance V depending on the position of point Yn.
It is determined by the division ratio of RY (position detection section 15). The current I=1++12 that exits the Y sheet 11 enters the point Xn of the X sheet 12, and is connected to the variable resistor
) is diverted to 13.14. The current I4 then passes through the detection resistor Rx and joins the current I3.

Therefore, the point Yn can be detected from the value of the current I2, and the point Xn can be detected from the value of the current I4. 1718 is each detection amplifier for this purpose, and a detection resistor RY.

Voltage Ry r generated at Rx 2. Coordinate data Yin and Xin of YnXn are detected from Rx 1 a. 1
Reference numeral 9 denotes an A/D converter that digitizes these data Yin and Xin and inputs the digitalized data to the logic function section 20.

As shown in FIG. 6, the logic function section 20 uses a processor such as an MPU (microprocessor) or a DSP (digital signal processor). The processor 20 is A/
Data manual input (2), xy switching signal furnace conversion control signal (2), and conversion completion signal (2) are exchanged with the D converter 19. Further, a display output a is given to the display unit 40, and a control output is given to the drivers Q+''Qj of the various actuators 301 to 30j.

When the A/D converter 19 receives the conversion control signal ■, xy
A/D converting the data of the channel indicated by the switching signal furnace,
When the conversion is completed, a conversion completion signal ■ is returned to the processor 20. When the processor 20 detects the rising edge of the signal (2), it takes in the data (2) at an appropriate time thereafter. processor 20
is +11+11'+21 (x in the order of 21'...
, y data are processed alternately, and outputs a and b are output as a set of processing results of (1) fl)'.

When the device to be controlled is an in-vehicle tape deck, the control contents are wide-ranging as shown in FIG.

For example, Detsuki's mechanism controls include FF (fast forward), REW (rewind), and t! There are JECT (eject), APS (start), REPT (repeat), etc., and volume and sound quality controls include VOL (volume) UP/NO-N (up/down) and LOUD (
There are 0N10FF (on/off) of loudness), Ba5s (bass), UP/DOWN of treble, etc.

Among these, FF and R [! W, EJECT, V
OL UP and VOL DOWN are frequently used, so
These are the objects of vector input, and vectors of the type shown in FIG. 9 are assigned to each of them. For example, a vector specifying an FF is input by tracing the vector input board from left to right as shown in (1). Since this corresponds to the tape running direction, it is easy to remember intuitively. On the other hand, (2) REW
is in the opposite direction, and EJtICT in (3) is to press one point. Regarding VOL, if you trace UP in (4) from bottom to top and trace DOWN in (5) from top to bottom, this will also match intuitively. However, these are -
This is an example and can be modified in various ways. (6) Mode switching is as follows:
From this operation mode using vector input, APS
, REPT, LO(10, Ba5s, T
It is used to switch to an operation mode using a switch input such as Reble.

Figure 10 shows APS and PEPT on a part of the front panel of the deck.
An explanatory diagram of an operation panel with panel switches such as
The input range is also used as the display section. The mode changeover switch is used to change from switch input mode to vector input mode.

Hereinafter, the processing by the processor 20 will be explained in order. 1st
FIG. 1 is a schematic flowchart of input processing. Step S1 is a process of detecting whether the mode switching instruction is given by vector input or switch input, determining whether it is vector input mode or switch input mode, and storing it. On the other hand, step S
Either the vector input process in step S2 or the panel switch process in step S3 is performed.

FIG. 12 is a detailed flow of vector input processing, FIG. 13 is a detailed flow of panel switch processing, and FIG. 14 is a detailed flow of timer interrupt processing.

FIG. 14 is a flowchart of timer interrupt processing commonly used for both vector input processing and panel switch processing, in which interrupts occur at regular intervals and input information from the matrix input section 10 is processed.

First, in step 5140, the timer is reset so that an interrupt is generated at regular intervals. Step 514
1, the xy switching signal SEL to the A/D converter 19
After setting 1 to 1, in step 5142, the X coordinate data A/
The D-transformed value is obtained and stored in xN in step 5143.

Here, the A/D conversion processing ADC in step 5142 is the first
The content is shown in Figure 5, 1(X).

0 (y), the switching signal SEL is sent to step S7.
1 and then outputs the conversion control signal CC in step S72.
is set to L” (active). Then, in step S7
Step 3 waits for the conversion end signal EOC to arrive from the A/D converter side (changes from "L" to "H"), and when it arrives, the converted data is fetched in step 574.

Similarly, in steps 5144-5146, y-coordinate data is stored in yN. In step 5147, it is checked whether the previous data Xo of the X coordinate is O, that is, there is an input.
If not, step 5162. After clearing the contents of ΔX and Δy in 5163, set XN and YN to Xo, )F.

, reset the interrupt in step 3161,
Return from interrupt.

If xof)<Q, the difference from the previous data is x (N)
Also, store the X coordinate data in XA(N). Next, regarding the y coordinate data, the previous data y is obtained in step 5150.

After checking whether or not is O, the difference in y coordinate is 5151
and store the y coordinate value in YA(N). In step 5153, N is incremented by 1, and step 5
In step 154, it is determined if N is 4 or more, and in step 5155
Return N to O. All these processes are performed in step 515.
6 to 159, difference data of X ΔxSy difference data Δy
, x-coordinate position x, and y-coordinate position y.

After removing noise components from the input data in this way, the coordinate data just imported is imported into the day data storage areas xo and yo in step 3160, and the process returns to the main program via step 5161, where the original processing is resumed. Return to

In this way, new data is always taken in at regular intervals. This interrupt routine can be used for both vector processing and panel switch processing.

FIG. 12 shows an example of vector input processing, in which it is checked in step 5120 whether there is any input, and if there is no input, after clearing the mode in step 5127,
The mode determination counter is cleared in step 8128, the current mode is moved to the previous mode in step 5129, and after a certain time lag is provided in step 8130, the process returns to the beginning.

If it is determined in step 5120 that there is an input, mode determination is performed in step 5121. This is an attempt to determine the type (mode) of the vector from the combination of the input vector's length in the X direction ΔX''XI FIG. 16 shows details of this mode determination.

Li- in step S81 is the first
If the length in the X direction determined by the timer interrupt processing in Figure 4 does not exceed a certain value ) is also a noise removal process.

In step S82 of FIG. 16, it is determined whether ΔX from which noise has been removed is O. If ΔX=O, Δy from which noise has been removed is checked in step S83, and if Δy>Q, it is an upward vector, so MODE is set to 4 in step S94. On the other hand, if Δy>0, it is a downward vector (Δy<O), so in step S95 MOD
Set E to 5.

On the other hand, if it is determined in step S82 that Δx+0, Δy is rotated eight times in step S84, and if Δy is O, it is a diagonal vector, so MODE is set to 6 in step S96. Furthermore, when Δy=o, the vector is horizontal, so it is checked in step S85 whether it is directed to the right or left. If Δx>O, it is pointing to the right, so in step S91 MODE is set to 1, and Δ
If K>0, it is leftward (ΔX<0), so MODE is set to 2 in step S92.

On the other hand, if it is determined in step S83 that Δy=o, the starting point and ending point are one point, so MODE is set to 3 in step S93. After mode determination, step 5122
Then, it is determined whether the mode determination result is the same as the previous mode determination result.

If they are not the same, proceed to step 3128, perform post-processing, and repeat the loop again. If the determination is the same as the previous time, the process advances to step 5123 and the mode counter is incremented. Next, in step 5124, MC is compared with the determination threshold, and if it is larger, mode processing is performed in step 5125. The MODE values 1 to 6 correspond to +11 to (6) in FIG.

A flowchart of mode processing is shown in FIG.

In FIG. 18, actual processing corresponding to +1) to (6) in FIG. 9 is performed.

After the mode processing is completed, it is determined in step 5126 whether or not the input is completed, and after the input is completed, step 5127S12
After clearing the mode and mode counter with 8, 5129
．． 5130 processing is performed.

Note that if the increment counter is equal to or less than the determination threshold in step 5124, the mode processing is not performed and the execution moves to step 5129.

Note that in the above explanation, the absolute length of the vector is not used as input information, so if this is used, more information (for example, the speed of FF and REW, the width of VOL change, etc.) can be input. Diagonals can also be classified and used by direction.

Next, the panel switch processing shown in FIG. 13 will be explained.

x, y obtained by the timer interrupt processing in Figure 14
By determining the value of in steps 332-338,
Since it can be determined which switch in FIG. 10 has been pressed, corresponding processing is performed in steps 341 to 348.

〔Effect of the invention〕

As described above, according to the present invention, various vectors can be input by tracing the surface of the matrix input board with a hand or finger. It has the advantage that instructions can be given without the need for operation buttons.

[Brief explanation of the drawing]

Fig. 1 is a configuration diagram of the present invention, Fig. 2 is an explanatory diagram of the matrix input section, Fig. 3 is an explanatory diagram of vector input, Fig. 4 is an explanatory diagram of the operating procedure of the present invention, Figs. 5 and 6 Figure 7 is a configuration diagram showing an embodiment of the present invention, Figure 7 is its time chart, Figure 8 is an explanatory diagram of tape deck control, Figure 9 is an illustration of various vectors, and Figure 10 is an explanation of panel switch arrangement. Figure 11 is a schematic flowchart of the input processing of the logic function section, Figures 12 to 18 are detailed flowcharts of each part of Figure 11, Figure 19 is an explanatory diagram of the vicinity of the driver's seat of the vehicle, and Figure 20 is the conventional FIG. 2 is an explanatory diagram of the operating procedure. Applicant Fujitsu Ten Ltd. Representative Patent Attorney Minoru Aoyagi Figure 6 ■ Din Riseng ↓ Number ↓ ↓
↓ No. ↓ Processing tie...
[EndEE] [E2] = [Tehyakukoro Σ[Koero 6″”
・blK j 7f ↓ number
1M7 figure jI8t! 1 'ii Figure 9 Decks front panel input range Explanatory diagram of panel switch arrangement jl Figure 10 'Ra5tart'' Outline of input processing 7e+→middle-t N11 figure Panel switch processing ADC ADC flowchart Lim Lim's hook → Yat mode da μI'' mode 70-chart of processing Fig. 18 An explanatory diagram of the vicinity of the driver's seat of the vehicle Fig. 19 An explanatory diagram of the conventional operation plain Fig. 20

Claims (1)

[Claims] 1. A matrix input unit (10) capable of detecting the x, y coordinates of the contact position; and a matrix input unit (10) that processes the x, y coordinates obtained by the matrix input unit (10) in time series and continuously The starting point of the line segment input as (x_0
, y_0) and an end point (x_1, y_1) to determine the type of vector.