KR20100000684A - Remote control system using laser and control method using the same - Google Patents

Abstract

PURPOSE: A remote control system using laser and a control method using the same for controlling a controlled apparatus by using a laser light are provided to improve the convenience of a user by controlling an electronic device according to a movement direction of the laser light. CONSTITUTION: A light receiving unit(30) has a plurality of light receiving sensors. The light receiving sensors receive the laser light. A controller(40) decides a traveling direction of the laser light. The controller controls the traveling direction of the laser light. The user establishes the kind of the control signal. An input unit(50) inputs the set up information of the user.

Description

Remote control system using laser and control method using same {REMOTE CONTROL SYSTEM USING LASER AND CONTROL METHOD USING THE SAME}

The present invention relates to a remote control system for controlling a controlled device using a laser light.

In general, a remote control system for remotely controlling an electronic device includes a transmitter for coding an input signal of a user and outputting an electronic signal, a receiver mounted on the electronic device to receive a signal output from the transmitter, and received from the receiver. Control unit for controlling the electronic device by decoding the signal.

Since the conventional remote control system must include a coding unit and a decoding unit, the structure thereof is complicated, and manufacturing cost increases.

In order to solve the above problems, a remote control system using a laser has been developed. However, such a remote control system is a method of controlling a controlled device by simply irradiating a laser light to a specific optical sensor, so that a relatively small size of light Not only is it difficult to match the laser light to the sensor, there is a problem that the unintended operation is activated by irradiating the laser light to the unwanted optical sensor when controlling the controlled device using a plurality of optical sensors.

On the other hand, in order to solve this problem, a method of increasing the size of the optical sensor may be considered, but in the case of the optical sensor having a large light receiving unit, there is a problem that the price is relatively expensive. In addition, since a light sensor having a large light receiving unit has a low sensitivity to laser light, it requires a light source having a relatively large amount of light, so that a laser light having a small amount of light output from a laser pointer cannot precisely control the controlled device. There is a problem.

The present invention is to solve the above problems of the prior art, an object of the present invention to improve the convenience of the user by controlling the electronic device according to the movement direction of the detected laser light, coding of the remote control signal Or it does not require decoding, and to provide a remote control system and a control method using the same that can simplify the configuration.

The remote control system according to the present invention for achieving the above object, the light receiving unit having a plurality of light receiving sensors for receiving the laser light, and the detection direction of the laser light from the detection information of the laser light of the light receiving unit to determine the movement direction of the laser light The control unit may be configured to include a control unit.

Here, it is preferable to further include an input unit for inputting the user's setting information so that the user can set the type of the control signal of the controlled device output from the control unit according to the moving direction of the laser light.

In addition, it is preferable to provide an optical filter for filtering the laser light on the front of the light receiving sensor to block in advance the noise that may be caused by the external environment.

The plurality of light receiving sensors are preferably arranged in a square or rectangular shape.

In addition, the control method of the controlled device using a remote control system according to the present invention for achieving the above object comprises the steps of (a) sequentially irradiating a laser light to a plurality of light receiving sensors, and (b) Determining the moving direction of the laser beam from the detected information, and (c) controlling the controlled device by transmitting a control signal according to the moving direction of the laser beam.

Here, in step (c), if the moving direction of the laser light determined in step (b) is the first direction, the menu of the function of the controlled device is selected so that the moving direction of the laser light determined in step (b) In the second direction perpendicular to the first direction, the laser beam may be controlled to adjust a function in the selected menu by moving the laser light in the first direction.

In addition, step (c) is characterized in that the control to adjust the function in the selected menu by at least one or more repetitive movement of the laser light in the second direction.

The remote control system according to the present invention comprises a plurality of light receiving sensors that receive the laser light and detects a moving direction of the laser light to control the controlled device, thereby maintaining a high sensitivity to the laser light. The effect is that precise control is possible.

In addition, the remote control system according to the present invention does not require a coding unit of the signal transmitted from the controller device for controlling the controlled device, and does not require a decoding unit at the receiving unit of the controlled device, thereby simplifying its configuration. Therefore, the number of parts of the controller and the controlled device can be reduced.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of a remote control system according to the present invention.

First Embodiment

1 and 2, the remote control system according to the first embodiment of the present invention has a laser pointer 10 for scanning laser light, and a plurality of light receiving sensors 20 for receiving the laser light. And a control unit 40 for determining the moving direction of the laser beam from the detection information of the laser beam of the light receiving unit 30 and controlling the controlled device 100 according to the determined moving direction of the laser beam. Can be.

The controlled device 100 may be any electronic device capable of remote control including a general electronic device such as a television receiver, an air conditioner, a computer, and an audio.

The light receiving unit 30 and the control unit 40 may be installed in the controlled device 100, and the number of the light receiving sensors 20 may be appropriately determined according to a function to control the controlled device 100.

On the other hand, it is preferable to install an optical filter (not shown) that passes only the wavelength band of the laser light on the light receiving side of the light receiving sensor 20 in order to block in advance the noise which may be caused by external environment such as light other than the laser light. Do.

As shown in FIGS. 3 and 4, in the light receiving unit 30, the plurality of light receiving sensors 20 may be arranged in a substantially rectangular shape so as to accurately detect a moving direction of the laser light. In particular, as shown in FIG. 3, the light receiving unit 30 may be arranged in a square shape. In this case, when the laser light moves in a diagonal direction (that is, when it is detected to move in the direction indicated by reference numeral 71), Since the distinction of whether the laser light has moved in the horizontal direction or the vertical direction can be blurred, it is possible to arrange the plurality of light receiving sensors 20 in a substantially rectangular shape as shown in FIG. More preferred.

That is, for example, when the light receiving unit 30 is formed in a rectangular shape long left and right as shown in Fig. 4, even if the laser light has a predetermined inclination and moves long left and right, from the light receiving sensor disposed on the left side In the case of moving to the rightmost light receiving sensor (when it is detected to move in the direction of reference numeral 72), the controller 40 determines that the laser light has moved left and right, and receives the leftmost and / or rightmost light. If the sensor moves to the left or right in a state in which the laser light is not detected (when it is sensed to move in the direction of reference numeral 73), the controller 40 may determine that the laser light has moved up and down. . Accordingly, when the light receiving sensor is arranged in a rectangular shape as shown in FIG. 4, the movement direction of the laser can be determined even if the user does not operate it precisely, thereby facilitating convenience of operation.

However, the present invention is not limited to the plurality of light receiving sensors 20 arranged in a quadrangular shape, and the plurality of light receiving sensors 20 may be arranged in various shapes such as a circle and a triangle. It will be apparent to those skilled in the art that sensing can also be determined for each shape.

Hereinafter, the operation of the remote control system according to the first embodiment of the present invention configured as described above will be described with reference to FIG. 5 by taking a general sound device as the controlled device 100 as an example.

First, the user positions the irradiation direction of the laser pointer 10 toward the light-receiving unit 30, and then manipulates the laser pointer 10 to irradiate the laser light, while emitting the laser light from the upper side to the lower side of the light-receiving unit 30, and the upper side to the lower side. Direction, the left to right direction or the right to left direction, the plurality of light receiving sensors 20 of the light receiving unit 30 is irradiated with laser light sequentially. (S10)

At this time, the control unit 40 determines the moving direction of the laser light from the detection information of the light receiving sensor 20 (S20), and transmits a predetermined control signal according to the determined moving direction of the laser light (S30), the controlled device ( 100) (S40).

Accordingly, the controlled device 100 performs an operation set according to the moving direction of the laser light, for example, as shown in Table 1 below.

Movement direction of laser light Operation of Controlled Equipment From left to right Channel Search (FORWARD) From right to left BACKWARD of Channel From top to bottom Reduce sound From bottom to top Sound up

That is, the user may scan the channel while scanning the laser light from the left side to the right side or the right side to the left side of the light receiving unit 30, and scan the laser light from the upper side of the light receiving unit 30 to the lower side or the lower side to the upper side. You can adjust the sound volume.

On the other hand, Table 1 is only one example for explaining the operation of the controlled device 100 according to the moving direction of the laser light, the operation of the controlled device 100 according to the moving direction of the laser light may be different from that described above. have.

As described above, since the remote control system according to the first embodiment of the present invention controls the controlled device 100 according to the moving direction of the laser light detected by the light receiving unit 30, the user can control the same as a conventional remote control. In order to control the controlled device, it is possible to solve the inconvenience of pressing a button corresponding to each function, and the device for coding or decoding the signal is not required for the transceiver for transmitting and receiving the control signal. The effect is to simplify the configuration.

In addition, in the remote control system according to the first embodiment of the present invention, since the light receiving unit 30 includes a plurality of optical sensors 20, the conventional control for controlling a controlled device by irradiating a laser light to one optical sensor There is an effect that can eliminate the problems caused by the device.

Second Embodiment

Hereinafter, a remote control system according to a second embodiment of the present invention will be described with reference to FIG. 6. The configuration of the remote control system according to the second embodiment of the present invention is the same as that described in the first embodiment.

6 shows an example of controlling the controlled device 100 by using a remote control system according to the present invention. The laser beam is controlled from the upper side to the lower side, the lower side to the upper side, the left side to the right side, and the right side to the left side. It shows that the various functions of the controlled device 100 can be controlled only by moving.

As shown in FIG. 6, the mode menu selection of the controlled device 100 is determined by scanning in the left and right directions of the laser light, and the function setting in the selected menu is determined by scanning in the vertical direction of the laser light.

That is, when the user scans the laser light from the left to the right while the power is off, the power is turned on and the menu is changed to the channel mode, and the channel search is performed by scanning the laser light up and down in the channel mode. can do.

In the channel mode, the menu may be changed to the volume mode by scanning from the left to the right of the laser light, and the volume of the sound may be adjusted by scanning the laser light in the vertical direction in the volume mode.

In addition, the function adjustment in each selected menu is not operated only by a single scan of the laser beam but also by the operation of the memory mode menu of FIG. 6 in which the stored file is erased by repetitive scan from the upper side to the lower direction. Likewise, it is also possible to adjust the function in the selected menu by at least one or more repetitive scans from the upper side to the lower side or the lower side to the upper side.

Accordingly, the power on / off function, channel search function, sound size control, and memory storage and erasing are possible only by scanning the laser light in the up, down, left, and right directions. In addition, when configuring the system divided into the step of selecting a menu as described above, and the step of controlling the function of the controlled device 100 in each selected menu, as well as the control of only four steps as shown in FIG. Further steps of control may also be possible.

As such, the controller may select a menu of the controlled device by scanning the laser light in left and right directions and control a function in the selected menu by scanning the laser light in the up and down direction. Here, the moving direction of the laser light for menu selection and function control in the selected menu is not limited to the above, and may be set such that the mode menu of the controlled device is selected by scanning the laser light in the vertical direction. Scanning in the left and right directions of the light can be set to enable the function control in the selected menu.

The remote control system according to the second embodiment of the present invention can control various functions of the controlled device by moving in four directions, and has an effect of further improving user convenience.

Third Embodiment

Hereinafter, a remote control system according to a third embodiment of the present invention will be described with reference to FIGS. 7 and 8.

As shown in FIG. 7 and FIG. 8, the remote control system according to the third embodiment of the present invention has a laser pointer 10 through which laser light is emitted and a plurality of light receiving sensors 20 for receiving the laser light. A plurality of light receiving units 30 are spaced apart from each other at predetermined intervals, and the moving direction of the laser light is detected from the detection information of the laser light of the light receiving unit 30, and the controlled device 100 is moved according to the detected moving direction of the laser light. It may be configured to include a control unit 40 for controlling.

The controller 40 may control the controlled device 100 by transmitting different control signals according to the information on the movement direction of the laser light detected by each light receiving unit 30.

In addition, when the laser light is moved to one light receiving unit 30 and the light receiving unit 30 adjacent thereto, the controller 40 may detect this as one input signal and transmit a control signal accordingly.

As a control method of the remote control system according to the third embodiment of the present invention, the control method described in detail in the first and second embodiments may be applied.

The remote control system according to the third embodiment of the present invention is arranged such that a plurality of light receiving units 30 each having a plurality of light receiving sensors 20 are spaced apart from each other, and the controller 40 is configured to control the laser light from each of the light receiving units 30. The controlled device 100 may be controlled by transmitting or combining different control signals according to the detected information.

Therefore, since the functions of the controlled device 100 can be distributed to each of the light receiving units 30, the functions of the controlled device 100 can be sufficiently coped even when the controlled device 100 has a plurality of functions.

Fourth Embodiment

Hereinafter, a remote control system according to a fourth embodiment of the present invention will be described with reference to FIG. 9.

As shown in FIG. 9, a remote control system according to a fourth embodiment of the present invention includes at least one laser pointer 10 for irradiating laser light and a plurality of light receiving sensors 20 for receiving laser light. The control unit 40 for detecting the movement of the laser light from the light receiving unit 30 and the detection information of the laser light of the light receiving unit 30 and controlling the controlled device 100 according to the detected movement of the laser light, and the movement information of the laser light. It may be configured to include an input unit 50 for inputting the setting information of the user so that the user can set the type of the control signal according to.

The input unit 50 serves to allow a user to directly select a control signal according to the moving direction of the laser light. That is, in the case of constructing the light receiving portion as described in the second embodiment, the user can program the system so that scanning from the left to the right, the right to the left, the bottom to the top or the top to the bottom of the laser light respectively executes a specific operation. It is possible to set.

According to the fourth embodiment of the present invention, since the user can directly set the control signal according to each movement direction of the laser beam, there is an effect that the user's convenience can be further improved.

In the remote control system according to the present invention as described above, since the light receiving unit 30 is composed of a plurality of light receiving sensors 20, the sensitivity of the light can be maintained high, and the control unit 100 is controlled by detecting the movement direction of the laser light. Therefore, there is an effect that can eliminate the problems that can occur in the conventional control device that one optical sensor is connected to the operation of the system.

The remote control system using the laser light according to the present invention can be applied to any electronic device capable of remote control such as an image device, an audio device.

Although the present invention has been described through the embodiments described in the drawings and the detailed description of the invention, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art to which the present invention pertains. . Therefore, the technical protection scope of the present invention will be defined by the appended claims.

1 is a schematic diagram showing a remote control system according to a first embodiment of the present invention.

2 is a block diagram of the remote control system of FIG.

3 and 4 are schematic diagrams illustrating a light receiving unit of the remote control system of FIG. 1.

5 is a flowchart illustrating a control method of a controlled device using the remote control system of FIG. 1.

6 is a block diagram showing a control function of a remote control system according to a second embodiment of the present invention.

7 is a schematic diagram showing a remote control system according to a third embodiment of the present invention.

8 is a block diagram of the remote control system of FIG.

9 is a block diagram of a remote control system according to a fourth embodiment of the present invention.

*** Explanation of symbols for main parts of drawing ***

10: laser pointer 20: light receiving sensor

30: light receiver 40: controller

50: input unit:

Claims (7)

A light receiving unit having a plurality of light receiving sensors for receiving laser light; And And a controller configured to determine a moving direction of the laser light detected by the light receiving unit and to control the controlled device according to the moving direction of the laser light. The method of claim 1, The remote control system further comprises an input unit for inputting the user's setting information so that the user can set the type of the control signal output from the controller in accordance with the movement direction of the laser light. The method according to claim 1 or 2, And the plurality of light receiving sensors are arranged in a square or rectangular shape. The method according to claim 1 or 2, And a light filter for filtering the laser light on the light receiving side of the light receiving sensor. (a) sequentially irradiating laser light to the plurality of light receiving sensors; (b) determining a moving direction of a laser beam from detection information of the light receiving sensor; And (c) controlling the controlled device by transmitting a control signal according to the moving direction of the laser light. The method of claim 5, Step (c) is, If the moving direction of the laser light determined in the step (b) is the first direction, the menu of the function of the controlled device is selected so as to be selected. When the movement direction of the laser light determined in the step (b) is a second direction perpendicular to the first direction, it is controlled to control the function in the selected menu by the movement of the laser light in the first direction. Control method of controlled equipment using control system. The method of claim 6, Step (c) is a control method of a controlled device using a remote control system, characterized in that to control the function in the selected menu by at least one or more repetitive movement of the laser light in the second direction.

Images