JPH0615134U - Non-contact pointing device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a small and lightweight pointing device with high reliability by using a non-contact type sensor in a movement amount detection unit. [Structure] By moving a finger or the like on the sensor aXX of the cross-shaped and mesh-shaped sensor groups 21 and 22 arranged on the pointing device 2 according to a certain rule, the sensor aXX sequentially reacts, and the sensor aXX is arranged at an arrangement interval. On the other hand, when the detected object is small, the sensor aX that falls below a predetermined threshold value
It is determined that an object exists at the position X. On the other hand, the sensor a
When the detected object is larger than the XX arrangement interval, it is determined that the object exists at the center of the sensor group that is below the predetermined threshold value. Therefore, the movement vectors of the position of the object in the X direction and the Y direction are combined, and the CPU 1 performs cursor processing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a pointing device, and more particularly to a non-contact pointing device that realizes information on a moving direction and a moving distance by using a non-contact sensor.

[0002]

[Prior art]

 As shown in FIG. 7, the conventional pointing device mechanically detects the rotating direction and the moving amount of the rotating body 123 by using moving amount detectors 124 and 125 in the X direction and the Y direction, and detects the cursor. The amount of movement was determined by the number of pulses obtained from the detectors in each direction within a fixed time.

[0003]

[Problems to be solved by the device]

 In the conventional pointing device 102, since the rotating body 123 is used to detect the moving direction and the moving distance, an error occurs in detecting the moving amount depending on the contact state between the rotating body 123 and the moving amount detectors 124 and 125, respectively. At the same time, the physical size of the rotator 123 and the movement amount detectors 124 and 125 is limited, which is a major factor that prevents the information processing system from becoming smaller and lighter.

Therefore, an object of the present invention is to provide a non-contact type pointing device having a non-contact type sensor for detecting the movement amount of the pointing device.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, a non-contact type pointing device of the present invention comprises a CPU and a cross-shaped sensor group in which non-contact type sensors connected via a system bus of the CPU are arranged in a cross shape. If the object detected is smaller than the arrangement interval of the cross sensor group, it is determined that the object exists at a position below a preset threshold value, or the arrangement interval of the cross sensor group is determined. If the detected object is large, it is determined that the object exists at the center of the sensor group that is below the preset threshold, and the X-direction and Y-direction movement vectors of the detected object obtained at every predetermined time are determined. A non-contact type pointing device characterized in that the CPU performs cursor processing according to a combined vector.

In order to achieve the above-mentioned object, the non-contact type pointing device of the present invention is characterized by being constituted by a mesh-shaped sensor group in which the non-contact type sensors are arranged in a mesh. .

[0007]

【Example】

 Hereinafter, a non-contact type pointing device according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram (A) of a pointing device, a block diagram (B) of a mesh sensor group, and a block diagram (C) of a cross sensor group according to an embodiment of the present invention.

FIG. 2 is a sensor operation diagram when the target detection object is smaller than the sensor arrangement interval in the pointing device according to the embodiment of the present invention.

FIG. 3 is a sensor operation diagram when the target detection object is larger than the sensor arrangement interval in the pointing device according to the embodiment of the present invention.

FIG. 4 is a movement vector (A) in the X direction and a movement vector in the Y direction obtained based on movement information of a detected object obtained from a pointing device according to an embodiment of the present invention.

FIG. 5 is a movement vector of a cursor that is a combination of movement vectors in the X and Y directions obtained based on movement information of a detected object obtained from a pointing device according to an embodiment of the present invention. .

FIG. 6 is a processing flowchart of a pointing device according to an embodiment of the present invention.

As shown in FIG. 1A, a pointing device 21 according to an embodiment of the present invention includes a cross-shaped sensor group 21 in which non-contact type sensors such as electrostatic sensors are arranged in a cross shape, and 22 is information. A group of mesh-shaped sensors in which non-contact type sensors for inputting are input in the form of a mesh, 2 is a pointing device storing the non-contact type sensor group, 1 is a system bus that stores information obtained from the non-contact type sensor group. It is composed of a CPU that performs processing via the H.3.

In addition, the arrangement pattern of the sensors used in the pointing device 2 according to the embodiment of the present invention is as shown in FIGS. 1B and 1C, where aXX is an individual non-contact type sensor. These are arranged in a mesh shape or a cross shape at regular intervals.

Next, the operation of the pointing device 2 according to the embodiment of the present invention will be described with reference to FIGS.

In the pointing device 2 according to the embodiment of the present invention, a non-contact type sensor aXX such as an optical sensor or an electrostatic sensor is arranged and assembled with a certain regularity as shown in FIG. Has been.

Here, as an example, a system in which a sensor aXX whose voltage changes according to the distance to an object is arranged in a simple cross shape will be described.

By moving an object such as a finger on the sensors aXX arranged according to a certain rule, the sensors aXX sequentially react, and a corresponding reaction can be obtained in the form of a voltage change.

As shown in FIG. 6, the pointing device 2 first determines whether the size of the object is small or large relative to the arrangement interval of the sensor aXX.

As shown in FIG. 2, when the size of the moving object is smaller than the arrangement interval of the sensor aXX, it is determined that the object exists at the position of the sensor a34 that is below a certain threshold value.

On the other hand, when the size of the moving object is large with respect to the arrangement interval of the sensors aXX, as shown in FIG. 3, there are a plurality of sensors aXX that are below a certain threshold, and are below the threshold. It is determined that there is an object at the center a44 of the cross sensor group 21 that is in motion.

Further, by obtaining the position of the object every predetermined time, the movement vector in the X direction and the movement vector in the Y direction as shown in FIG. 4 are obtained.

Further, based on the X-direction and Y-direction movement vectors obtained as described above, the pointing device 2 synthesizes the cursor movement vectors as shown in FIG. 5, and according to the synthesized vectors. Move the cursor.

Next, a conventional pointing device will be described with reference to the drawings.

FIG. 7 is a block diagram of a conventional pointing device.

FIG. 8 is a processing flowchart by the conventional pointing device.

In the conventional pointing device, as shown in FIG. 7, 123 is a rotating body that freely rotates to transmit a moving direction and a moving amount to a moving amount detector, and 124 and 125 are a rotating direction and a rotating body of the rotating body 123. A movement amount detector using a contact type sensor for detecting the amount separately in the X and Y directions, 102 is a pointing device storing a rotating body 123 and movement amount detectors 124, 125 in each direction, Reference numeral 1 is a CPU for processing the information obtained from the movement amount detectors 124 and 125 in the XY directions.

Next, the operation of the conventional pointing device 102 will be described with reference to FIGS. 7 and 8.

When the conventional pointing device 102 is moved on a plane, the rotating body 123 in contact with the plane freely rotates according to the moving direction and the moving amount.

The rotation of the rotator 123 is divided into rotation components in the X and Y directions by the X-direction movement amount detector 124 and the Y-direction movement amount detector 125, and detected as the number of pulses. The generated pulse number is sent to the CPU 1.

Therefore, in the CPU 1, as shown in FIG. 8, the number of pulses in each of the X and Y directions obtained within a predetermined time is integrated, and the cursor is moved according to the integrated number of pulses.

[0033]

[Effect of device]

 As described above, according to the non-contact type pointing device of the present invention, the non-contact type sensors are arranged regularly, and the movement amount is detected only by the thickness of the sensor, so that it can be made small and thin. In addition, the position detection is effective without requiring physical space.

Further, according to the non-contact type pointing device of the present invention, since there is no mechanical moving part, there is an effect that a very reliable system can be constructed.

[Brief description of drawings]

FIG. 1 is a block diagram (A) of a pointing device, a block diagram (B) of a mesh sensor group, and a block diagram (C) of a cross sensor group according to an embodiment of the present invention.

FIG. 2 is a sensor operation diagram when the target detection object is smaller than the sensor arrangement interval in the pointing device according to the embodiment of the present invention.

FIG. 3 is a sensor operation diagram when a target detection object is larger than a sensor arrangement interval in the pointing device according to the embodiment of the present invention.

FIG. 4 is an X obtained based on movement information of a detected object obtained from a pointing device according to an embodiment of the present invention.
Direction movement vector (A) and Y direction movement vector.

FIG. 5 is an X obtained based on movement information of a detected object obtained from a pointing device according to an embodiment of the present invention.
It is a movement vector of a cursor that is a combination of movement vectors in the Y and Y directions.

FIG. 6 is a processing flowchart of a pointing device according to an embodiment of the present invention.

FIG. 7 is a block diagram of a conventional pointing device.

FIG. 8 is a processing flowchart by a conventional pointing device.

[Explanation of symbols]

1 CPU 2,102 Pointing device 3 System bus 21 Cross-shaped sensor group 22 Mesh type sensor group 123 Pointing device (rotating body) 124 Pointing device (X direction movement amount detector) 125 Pointing device (Y direction movement amount detector) aXX Non-contact type sensor (sensor)

Claims (2)

[Scope of utility model registration request] 1. A cross-shaped sensor group in which a CPU and a non-contact type sensor connected via a system bus of the CPU are arranged in a cross shape, and detection is performed with respect to an arrangement interval of the cross-shaped sensor group. If the object is small, it is determined that the object exists at a position below the preset threshold value, or if the object detected with respect to the arrangement interval of the cross-shaped sensor group is large, the value is below the preset threshold value. It is determined that an object is present at the center of the sensor group, and the CPU performs cursor processing according to a combined vector of movement vectors in the X and Y directions of the detected object obtained at predetermined time intervals. Non-contact pointing device. 2. The non-contact type pointing device according to claim 1, wherein the non-contact type sensor is constituted by a mesh-shaped sensor group in which the non-contact type sensors are arranged in a mesh shape.