KR101529464B1 - Digital Door-lock Device with Smart Sensor - Google Patents

Abstract

The present invention relates to a digital door lock device and a digital door lock device, and more particularly, to a digital door lock device, which is disposed on a first side of a door, includes an outdoor side operation portion for sensing a touch input and outputting a raw value, And an indoor operation unit which is disposed on a second side opposite to the first side of the first door and receives a primitive value and determines whether to release the door lock based on the received primitive value and protects the password of the door lock from external hacking It is effective for enhancing security and for constructing a uni-body design as if the exterior of the door is simple and united with the door without protruding structure.
According to another aspect of the present invention, there is provided a method for operating a digital door lock device including a first step of determining whether a user inputs a touch based on a raw value received from an outdoor operation unit to an indoor operation unit during a first period, And a second step of stopping the output of the primitive value during the second period when there is no input, thereby starting the operation while sensing the input according to the external touch input, thereby reducing power consumption, have.

Description

[0001] Digital Door Lock Device with Smart Sensor [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention generally relates to a digital door lock device, and more particularly, to a digital door lock device in which a plate-shaped touch pad is disposed on the outdoor side of a door .

As the importance of security increases in modern society, digital door lock devices are widely used not only in security facilities, public buildings, but also in ordinary households. In recent years, a door lock device for controlling the opening and closing of a door by inputting a password through a keypad of a button type or an input window of a touch panel type has become popular.

In the case of the conventional digital door lock device, the outdoor side operation portion attached to the door side of the outdoor side is provided with an operation button for pressing a numeric button from the user and an operation portion for judging to interpret the pressed button. And a locking device for opening and closing is disposed according to the received information.

For example, in Korean Patent Registration No. 2010-0728656, there is disclosed an outdoor unit which receives authentication information from a user, performs user authentication using input authentication information, and outputs a door-lock open radio signal when user authentication is performed And a lock unit for opening the door lock by receiving the door lock open radio signal.

Such a conventional door lock device recognizes a number or a touched value inputted from a user through an input button outdoors and outputs a predetermined result value (for example, a password result value pushed by the user) based on the number or value There is a disadvantage that it is easy to hack the result from the outside and is vulnerable to security by opening and closing the door by transmitting the door to the lock device on the indoor side.

Further, in the conventional door lock apparatus, there is a disadvantage in that the power is always supplied to the external-exposed touch unit in order to recognize an external input (a touch pad or a wireless key signal)

Wireless power transmission is possible by magnetic induction, magnetic resonance, electromagnetic wave, etc., and general principles of wireless power transmission are already known from other documents. For example, domestic patent publication No. 10-2011-0096630 discloses a magnetic induction type wireless power transmission system, in which a magnetic induction type wireless power transmission system is composed of a power transmitter and a power receiver, The power receiver is divided into a resonant circuit including an antenna for receiving an electromagnetic field generated from a power transmitter, and an antenna for receiving an electromagnetic field generated from the power transmitter. And a charger or load for storing electricity. In addition, according to the domestic patent publication 10-2012-0124646, the magnetic field resonance wireless power transmission technique is a technique having a high transmission efficiency even at a distance longer than the resonance coil diameter by strong magnetic field coupling between magnetic resonators having the same resonance frequency US Pat. No. 7,741,734 B2 and US Pat. No. 7,825,543 B2 propose a magnetic resonance type wireless power transmission system using a single loop and helix type magnetic resonator. In US2010 / 0259108A1, a repeater structure using a single loop self- And Korean Patent Laid-Open No. 10-2010-0026075 proposes a structure capable of performing wireless power transmission to multiple loads by using a plurality of independent transmission coils in a transmission structure for a wireless power transmission system using electromagnetic induction. In the electromagnetic wave type wireless power transmission, a short distance transmission technique that transfers energy within a few meters is a method of transmitting a relatively small output based on electromagnetic wave radiation. Powercast LLC, a subsidiary of Philips Electronics (NV) Has announced a technology that can wirelessly transmit power to low-power electronic devices such as wireless sensors, RFIDs, and implantable medical devices using RF radio frequency, (TTA Journal vol.138, pp.45-51 'Trends in the Development of Wireless Power Transmission Technology') has a disadvantage in that the transmission efficiency is very low due to the directivity characteristic, .

An object of the present invention is to solve the above-described problems of the related art, and it is an object of the present invention to provide a method of detecting a touch input of a user on the outdoor side, outputting a raw value, receiving a raw value from the outdoor side on the indoor side, It is an object of the present invention to provide a digital door lock apparatus which is capable of preventing door hacking from outside and enhancing security by determining whether or not to release the door lock.

However, it is to be understood that the present invention is not limited thereto, and various changes and modifications may be made without departing from the spirit and scope of the invention.

In order to accomplish one object of the present invention, a digital door lock apparatus according to embodiments of the present invention includes an outdoor side operation unit and an indoor side operation unit. The outdoor operation portion is disposed on the first surface of the door, and senses the touch input to output a raw value. The indoor operation portion is disposed on a second surface opposite to the first surface of the door, receives the primitive value , And can determine whether to release the door lock based on the received raw values.

And the outdoor operation portion of the digital door lock device may be a plate-shaped touch pad attached to the first surface.

The original value of the digital door lock device is transmitted from the outdoor operation unit to the indoor operation unit via the connection unit, and the connection unit connects the outdoor operation unit and the indoor operation unit.

And the touch signal of the digital door lock device is wirelessly transmitted from the outdoor operation unit to the indoor operation unit.

The indoor operation unit may include a wireless input receiving unit for receiving a wireless key signal.

The indoor operation unit of the digital door lock apparatus may include a coordinate operation unit for calculating the coordinates of the touch input based on the raw values.

The indoor operation unit of the digital door lock apparatus may include an input key identification unit for identifying an input key corresponding to the calculated coordinates.

The indoor operation unit of the digital door lock apparatus may include a release signal output unit for outputting the door lock release signal based on the identified input key.

The indoor operation portion of the digital door lock device may include a motor driving portion for controlling the motor to operate based on the door lock release signal so as to open the door lock.

The indoor operation unit of the digital door lock apparatus may include a power supply unit for supplying electric power to the outdoor operation unit through a cable.

The indoor operation unit of the digital door lock apparatus may include an emergency power supply unit for receiving external emergency power when battery power is exhausted.

The indoor operation unit of the digital door lock apparatus may include a power supply unit that wirelessly supplies power to the outdoor operation unit.

The power supply unit of the digital door lock apparatus may supply the electric power to the outdoor operation unit wirelessly by a magnetic induction method.

The power supply unit of the digital door lock apparatus may supply power to the outdoor operation unit wirelessly by a magnetic resonance method.

The power supply portion of the digital door lock device may include a power supply device that supplies power to the outdoor operation portion wirelessly by an electromagnetic wave method.

The connection portion of the digital door lock device may include a touch processing portion, and the touch processing portion may include a coordinate operation portion for calculating the coordinates of the touch input based on the raw value, an input key identifying portion for identifying the input key corresponding to the calculated coordinates, The touch processing unit includes a coordinate calculation unit for calculating coordinates of a touch input based on a raw value, an input key identification unit for identifying an input key corresponding to the calculated coordinates, and a release signal output unit for outputting a door lock release signal based on the identified input key And the like.

According to another embodiment of the present invention, there is provided a method for operating a digital door lock device, the method comprising the steps of: And a second step of stopping the output of the primitive value during the second period when there is no touch input by the user during the first period of time.

The operation method of the digital door lock device may be characterized in that the transition is made to the first step when the second step is completed.

The digital door lock device may determine that there is no touch input by the user when the intensity of the original value received during the first period is not greater than the predetermined value.

The operation method of the digital door lock device may be such that power is not supplied to the outdoor operation unit during the second period.

The digital door lock device according to the embodiments of the present invention transmits the raw value sensed by the outdoor side operation unit to the indoor side operation unit and calculates the raw value from the indoor side operation unit by command so as to protect the password of the door lock from external hacking It has the effect of enhancing security.

According to the digital door lock apparatus of the present invention, since only the plate-shaped touch pad is disposed on the outdoor side of the door, the exterior of the door is simple, and the uni- body) is composed of one design.

According to the operation method of the digital door lock device according to the embodiments of the present invention, an operation is started while sensing an input according to an external touch input, thereby reducing power consumption and implementing an ultra low power consumption.

However, the effects of the present invention are not limited thereto, and various modifications may be made without departing from the spirit and scope of the present invention.

1 shows a digital door lock device according to an embodiment of the present invention.
2 is a block diagram illustrating the configuration of a digital door lock device according to an embodiment of the present invention.
3 illustrates a digital door lock device in which power and / or signals are wirelessly transmitted in accordance with an embodiment of the present invention.
FIG. 4 illustrates a power supply scheme according to an embodiment of the present invention.
5 illustrates a block diagram for implementing a power saving function according to an embodiment of the present invention.
6 shows a conventional digital door lock device.

For the embodiments of the invention disclosed herein, specific structural and functional descriptions are set forth for the purpose of describing an embodiment of the invention only, and it is to be understood that the embodiments of the invention may be practiced in various forms, The present invention should not be construed as limited to the embodiments described in Figs.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms may be used for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . In addition, it should be understood that even if it is "connected," it is not necessarily physically connected, for example, there may be a case where it is connected wirelessly. On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprise", "having", and the like are intended to specify the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be construed as meaning consistent with meaning in the context of the relevant art and are not to be construed as ideal or overly formal in meaning unless expressly defined in the present application .

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals are used for the same constituent elements in the drawings and redundant explanations for the same constituent elements are omitted.

1 shows a digital door lock device according to an embodiment of the present invention. 1, the digital door lock apparatus includes an outdoor operation unit 100, an indoor operation unit 200, and a connection unit 300. The outdoor operation unit 100 is disposed on the first surface of the door, And the room-side operation unit 200 is disposed on the second side opposite to the first side of the door, receives the raw value, and based on the received raw value, And the outdoor side operation unit 100 and the indoor side operation unit 200 may be connected to each other by the connection unit 300.

The outdoor operation unit 100 can detect an input and output a raw value when there is a touch input from a user. The raw value is a signal of a touch input (for example, For example, a signal of the form 'деёжзий').

The outdoor operation unit 100 may be a plate-shaped touch pad attached to the first surface of the door, and the touch pad senses the touch position of the user on the touch pad and uses the information about the sensed touch position as input information As one example, one of the methods for detecting an input signal touched on a touch pad is a capacitive method, which detects a change in capacitance caused when a human's finger or a conductor in a human hand touches the pad surface . When a series of capacitances changes due to touch input from a user on the touch pad, it is also possible to output a value (for example, a signal in the form of 'деёжзий') sensing a change in the capacitance have.

According to an embodiment, the touch sensor includes a touch input unit including a pattern shape including a pattern shape composed of a plurality of areas for detecting a touch input, and a touch input unit including a bundle bar, which is a set of one or more adjacent areas, And a touch input detecting section for detecting a touch input by recognizing the coordinates of the pattern, and each of the plurality of regions in the pattern form may have coordinates for recognition of the touch input. Also, the pattern for recognizing the touch input may be composed of a plurality of areas, and the plurality of areas in the pattern form may include a circle, a triangle, a rectangle, a rhombus, and the like.

The indoor operation unit 200 is disposed on the second surface opposite to the first surface of the door and may receive the original value output from the outdoor operation unit 100 and may determine whether or not the door lock is released based on the received original value . The indoor operation unit 200 may receive the raw values in various ways, for example, through a wired line such as a cable, or through a wireless receiving method using a receiving antenna. The indoor operation unit 200 is disposed on the second surface of the door which is opposite to the first surface of the door in which the outdoor operation unit 100 is disposed so that the door can not be accessed from outside when the door is closed.

The outdoor operation unit 100 and the indoor operation unit 200 may be connected by a connection unit 300 for interconnecting the outdoor operation unit 100 and the indoor operation unit 200. The connection unit may be a wired connection method such as a cable, The connection portion may include a predetermined device therein.

6 shows an embodiment of a conventional digital door lock device. In the conventional digital door lock apparatus of FIG. 6, an operation button or a touch pad for depressing a numeric button is disposed on the outdoor operation unit 100, and an operation unit for analyzing the depressed button or touch input is disposed. 200, the indoor side lock unit for opening and closing the door is arranged based on the result of the input signal received from the outdoor side operation unit 100.

In the digital door lock apparatus according to the embodiment of FIG. 6, the result of the input sensed by the outdoor operation unit (for example, when the password is '1 2 3 4' or 'abcd') is transmitted to the indoor lock unit (E.g., 'open' or 'close') through a predetermined process after detecting a value input by a button or a value input by a touch pad in the outdoor side operation unit 100, Quot; command value) to the indoor lock unit, and determines whether or not the door lock is released.

According to another embodiment of the present invention, referring to FIG. 1, unlike the conventional digital door lock apparatus, the outdoor operation unit 100 may be a plate-shaped touch pad, It is possible to provide a uni-body design as if the exterior is simple and has no protruding structure by arranging only the touch sensor part in the side operation part 100. [

2 is a block diagram illustrating the configuration of a digital door lock device according to an embodiment of the present invention. In an embodiment, the digital door lock apparatus includes an outdoor operation unit 100, a connection unit 300, and an indoor operation unit 200. The indoor operation unit 200 includes a coordinate operation unit 201, an input key identification unit 202, a release signal output unit 203, a motor drive unit 204, a wireless input reception unit 211, a wireless input identification unit 212, a power supply unit 221 and an emergency power supply unit 222.

2, the outdoor operation unit 100 senses the touch input 10 and outputs a raw value, and the output raw value is transmitted to the indoor operation unit 200 through the connection unit 300 The coordinate calculating unit 201 of the indoor operation unit 200 calculates the coordinate of the touch input based on the raw value (for example, a signal of the same type as the original value 'деёжзий' transmitted from the indoor operation unit 200) (1, 1), (1,2), ... 'corresponding to the coordinates of the touch value through the operation of the coordinate calculation unit), and the input key identification unit 202 identifies (1, 1), (1,2) ... 'corresponding to the coordinates of the touch value are input key values' 1, 2, ...' corresponding to the coordinates, 3, and 4 '), and the release signal output unit 203 outputs a door lock release signal (for example, the identified input keys' 1, 2, 3, 4' Open 'or' Close ' And a motor driver 204 for controlling the motor to operate to open or close the door lock based on the door lock release signal.

According to an embodiment, the connection unit may include a touch processing unit, and the touch processing unit may include a coordinate calculation unit for calculating the coordinates of the touch input based on the raw value, and an input key identification unit for identifying an input key corresponding to the calculated coordinates Or the touch processing unit may include a coordinate calculation unit, an input key identification unit, and a release signal output unit for outputting a door lock release signal based on the identified input key.

The hardware and software that perform the functions of the indoor manipulator or connection may be implemented in various forms and the various illustrative logic, logic blocks, modules, and circuits may be implemented in a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit ASICs, field programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combination designed to perform the functions described herein. A general purpose processor may be a microprocessor, but, in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. The processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.

Furthermore, steps and / or operations of the method or algorithm described in connection with the aspects disclosed herein may be implemented in hardware, in a software module executed by a processor, or in a combination of the two. The software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium may be coupled to the processor, which may read information from, and write information to, the storage medium. Alternatively, the storage medium may be integrated into the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in the indoor side control unit. Alternatively, the processor and the storage medium may reside as separate components in the indoor manipulation portion.

The description of the disclosed aspects is provided to enable any person skilled in the art to make or use the invention. Various modifications to these aspects may be apparent to those skilled in the art, and the generic principles defined herein may be applied in other forms without departing from the spirit or scope of the invention. As such, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

2, the indoor operation unit 200 includes a wireless input receiving unit that receives an input of a wireless key from the outside, and a wireless input identifying unit that identifies an input key based on the received wireless key input And outputs a door lock release signal based on the identified input key, and controls the motor to operate based on the door lock release signal to open or close the door lock.

2, the indoor operation unit 200 includes a power supply unit that supplies power to the indoor operation unit 200 and the outdoor operation unit 100, and supplies an external emergency power supply when the battery power is exhausted And an emergency power supply for receiving the emergency power. The power supply unit may supply electric power to the indoor operation unit 200 and / or the outdoor operation unit 100 via a wire or wirelessly supply power to the indoor operation unit 200 and / or the outdoor operation unit 100 have.

FIG. 3 illustrates a digital door lock device in which power is transmitted wirelessly according to an embodiment of the present invention. When wirelessly power is supplied to the outdoor operation unit 100, a separate cable for connecting the outdoor operation unit 100 to the indoor operation unit 200 is not required.

When the outside operation unit 100 senses a touch input and outputs a raw value and wirelessly transmits the same to the indoor operation unit 200, the outdoor operation unit 100 and the indoor operation unit 200 can be operated with any It is also possible to implement a digital door lock device which is physically completely separated from the outdoor side operation portion 100 and the indoor side operation portion 200 without requiring a wired connection portion. According to this embodiment, since the connection portion 300 for connecting the outdoor side operation portion 100 and the indoor side operation portion 200 does not require a hole for passing through the door, the security of the door is further enhanced .

FIG. 4 shows a magnetic induction system, a magnetic resonance system, and an electromagnetic wave system for wireless power transmission. According to the embodiment shown in FIG. 5, the frequency band of the self-induction method is 125 kHz, 13.56 MHz, the transmission power is mainly several Watt, the transmission distance is within several mm, and the efficiency is 90% or more. According to the embodiment shown in FIG. 5, the frequency band of the magnetic resonance method is several tens of kHz to several MHz, the transmission power is mainly several tens W, and the transmission distance and efficiency are 90% at 1 m and 40% at 2 m. 5, the frequency band of the electromagnetic wave system is 2.45 GHz to 5.8 GHz, the transmission power is mainly several mW, the transmission distance is up to several tens of km, and the efficiency is 10 to 50% at the maximum.

The power supply unit of the indoor operation unit 200 is connected to the outdoor operation unit 100 and the indoor operation unit 200 by the wireless power transmission system using the magnetic induction system, The power can be supplied wirelessly.

FIG. 5 shows a flowchart for implementing a power saving function according to an embodiment of the present invention. After the digital door lock device is initialized (S100), the touch input is sensed (S101), the sensed value is filtered (S102) to remove noise, and a touch value is determined (S103) have. One of the methods of sensing a touch input is a method of detecting an input signal touched on a touch pad, which is an electrostatic capacitance type. In this method, It is also possible to detect a change in capacity. It is possible to check whether the touch value matches the key of the digital door lock device through a key check (S104). When the touch value matches the key of the door lock device, "L" is outputted as the port output (S105), and when it is not matched, "H" is outputted as the port output (S106). In addition, the outdoor-side operation unit and the indoor-side operation unit communicate with each other with the Main I 2 C period set to 2 ms. The main data period is checked to determine whether the period is 2 ms (S107). If the Main I 2 C period is 2 ms, (S108) to determine whether the door lock is released. If the communication period is not 2 ms, the mode is switched to the sleep mode (S200), and the base trace is set to the sleep (S201) state, so that the power consumption can be reduced. In the sleep mode, only the minimum current for sensing the input is supplied to the outdoor power unit. If the current sensed sensitivity of the external input is not greater than the previous sensitivity, the sleep mode is maintained and power consumption is reduced. (S202). If the current sensitivity is greater than the previous sensitivity, the sleep mode may be terminated.

In step S203, it is determined whether the sensed input is a wireless key input. If the sensed input is a wireless key input, the RF module starts RF transmission in step S204. The RF tag check step S205 determines whether the door lock is released have. If the detected input is not a wireless key input, a series of operations for sensing the touch input again (S101) can be performed.

According to one embodiment, in the operation of the digital door lock device, a user's touch based on the raw value received from the outdoor side operation unit by the outdoor side operation unit or the wireless key input by the indoor side operation unit during the first period (Step 1) of stopping the output of the primitive value or the RF transmission when there is no user's touch input or the wireless key input to the outdoor operation part during the second period (step A second step). When the second step is completed, the first step may be transited. When the first step is completed, the second step may be transited. The first step and the second step may be repeatedly performed.

If it is determined that there is no touch input or wireless key input by the user and the power is not supplied to the outdoor operation unit during the second period when the intensity of the wireless key input or the raw value received during the first period is not greater than the predetermined value And the second period in which power is not supplied to the outdoor operation unit may be repeatedly performed to reduce power consumption.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims. It will be understood.

Claims (20)

As a digital door-lock device,
An outdoor side operation unit disposed on a first side of the door for sensing a touch input and outputting a raw value; And
And an indoor manipulation unit, disposed on a second surface opposite to the first surface of the door, for receiving the primitive value and determining whether to release the door lock based on the received primitive value,
Wherein the indoor operation unit comprises: a coordinate operation unit for calculating coordinates of the touch input based on the raw value; an input key identification unit for identifying an input key corresponding to the calculated coordinates; And a release signal output section for outputting a door lock release signal,
Wherein the outdoor operation portion is a plate-shaped touch pad attached to the first surface,
The raw value is transmitted from the outdoor operation unit to the indoor operation unit through the connection unit,
And the connection portion connects the outdoor operation portion and the indoor operation portion. delete delete delete delete delete delete delete The method according to claim 1,
Wherein the indoor operation unit includes a motor driving unit for operating the motor based on the door lock release signal so as to open the door lock. The method according to claim 1,
Wherein the indoor operation unit includes a power supply unit that supplies power to the outdoor operation unit via a cable. The method according to claim 1,
Wherein the indoor operation unit includes an emergency power supply for receiving external emergency power when the battery power is exhausted. 11. The method of claim 10,
Wherein the indoor-side operation unit includes a power supply unit that wirelessly supplies electric power to the outdoor-side operation unit. 13. The method of claim 12,
Wherein the power supply unit supplies power to the outdoor operation unit wirelessly by a magnetic induction method. 13. The method of claim 12,
Wherein the power supply unit supplies power to the outdoor operation unit wirelessly by a magnetic resonance method. 13. The method of claim 12,
Wherein the power supply unit supplies power to the outdoor operation unit wirelessly by an electromagnetic wave method. delete A method of operating a digital door lock device according to claim 1,
A first step of determining the presence or absence of a touch input by a user based on the raw value received by the indoor operation unit in the outdoor operation unit during a first period; And
And stopping the output of the raw value for a second period if there is no touch input of the user during the first period. 18. The method of claim 17,
And when the second step is completed, transition to the first step is performed. 18. The method of claim 17,
Wherein when the intensity of the primitive value received during the first period is not greater than a predetermined value, it is determined that there is no touch input by the user. 18. The method of claim 17,
And no power is supplied to the outdoor operation unit during the second period.

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