JP2004257027A - Key with display function, and system for checking opened/closed state of door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily check an opened/closed state of a door by using a key alone. <P>SOLUTION: The key 1, which has a key part 13 insertable into/extractable from a key body 11, receives a signal, indicating an unlocked state or a locked state, from the door via the key part 13, so as to display a message of "OPEN" on an LCD display part 14 in the unlocked state and display a message of "CLOSE" on the display part 14 in the locked state. Additionally, the key 1 makes the key part 13 inserted/extracted depending on operations of a button 12. When the key part 13 of the key 1 is protruded, the key 1 is inserted into the keyhole of the door so that unlocking/locking operations can be performed. When key part 13 is housed, the key 1 presents such a shape as not to look like a key at the first glance. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to, for example, a key with a display function and a door open / closed state confirmation system.
[0002]
[Prior art]
In today's stressful society, about 2% of the total population suffers from “threatening neurosis”, which is so worrisome that it interferes with daily life. . There is data that the proportion of people who can suffer in a lifetime can reach 60-70% of the total population.
[0003]
One of the symptoms is that when you go out, even if you lock the door of the front door, you may be worried about whether it is closed and return to check again and again. Today, there is a demand for a system that can alleviate the anxiety of a person with such symptoms as much as possible.
[0004]
2. Description of the Related Art In recent years, a system of an information home appliance controller using IPv6 Internet has been proposed as a technique for checking the unlocked state and locked state of a door key from outside.
[0005]
[Problems to be solved by the invention]
Since the system according to the above proposal is a system using the Internet, a terminal capable of connecting to the Internet is required separately, and the entire system becomes large-scale. Therefore, there is a problem that the unlocked state and the locked state cannot be easily checked with the key itself.
[0006]
An object of the present invention is to provide a key with a display function and a door open / closed state confirmation system that can easily confirm the open / closed state of the door using only the key.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem and to achieve the above object, a key with a display function according to the invention of claim 1 is a key with a display function for unlocking or locking by being inserted into a keyhole of a door, A main body, a key portion provided on the key body, inserted into the key hole to unlock or lock the door, and a key portion provided on one surface of the key body to display an unlocked state or a locked state of the door. And a display unit for performing the operation.
[0008]
The key with a display function according to the invention of claim 2 is a key with a display function for being inserted into a keyhole of a door to perform unlocking or locking, and is inserted into the keyhole to unlock or lock the door. A key portion for performing, a key body capable of storing and removing the key portion, and a key body capable of storing the key portion; a button provided on the key body for operating the key portion; A display unit provided on one surface of the key body for displaying an unlocked state or a locked state of the door.
[0009]
According to the second aspect of the present invention, the key body may have a mechanism for controlling insertion and removal of the key in response to operation of the button.
[0010]
According to the first or second aspect of the present invention, the key portion has a receiving means for receiving a signal from a keyhole of the door, and the key body opens the door based on the signal received by the receiving means. The display unit may include a determination unit configured to determine a locked state or a locked state, and the display unit may display an unlocked state or a locked state of the door based on a result determined by the determination unit.
[0011]
According to the first or second aspect of the present invention, the key portion has a receiving means for receiving a wireless signal from the door, and the key body opens the door based on the wireless signal received by the receiving means. The display unit may include a determination unit configured to determine a locked state or a locked state, and the display unit may display an unlocked state or a locked state of the door based on a result determined by the determination unit.
[0012]
A door open / closed state checking system according to a sixth aspect of the present invention is a door open / closed state check system for performing communication between a key and a door, wherein the door is an open / closed state determining means for determining an unlocked state or a locked state; Communication means for transmitting a signal indicating an unlocked state or a locked state determined by the open / close determination means to the key unit by energizing with the key, and wherein the key is connected to the door. Receiving means for receiving a signal transmitted by the communication means when energized, and display means for displaying an unlocked state or a locked state of the door based on the signal received by the receiving means. It is a feature.
[0013]
The door open / closed state confirmation system according to the invention of claim 7 is a door open / closed state confirming system that performs communication between a key and a door, wherein the door is an open / closed state determining unit that determines an unlocked state or a locked state. Communication means for communicating with the key wirelessly and sending a signal indicating the unlocked state or the locked state determined by the open / close determination means to the key unit, wherein the key is connected to the door. Receiving means for receiving a signal transmitted by the communication means by wireless communication therebetween, and display means for displaying an unlocked state or a locked state of the door based on the signal received by the receiving means, It is characterized by having.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0015]
(Embodiment 1)
First, the key according to the first embodiment will be described. FIGS. 1A and 1B are side views showing one configuration of a key according to the first embodiment. The key 1 includes, for example, a key body 11, a button 12, a key unit 13, an LCD display unit 14, and the like, as shown in FIGS. 1A and 1B.
[0016]
The key body 11 is provided in a rectangular shape and has an area for accommodating the key portion 13 which can be taken in and out. The button 12 is provided on one side of the key body 11 so as to be able to be pressed down, and has a function of operating the key body 11 to insert and remove the key unit 13. The key unit 13 is inserted into a keyhole to unlock or lock a door. The LCD display unit 14 is provided on one side surface of the key body 11 and has a function of displaying an unlocked state or a locked state of the door.
[0017]
FIG. 1A shows a state in which the key unit 13 is housed in the key body 11, and a display example of a message “CLOSE” indicating that the door is locked on the LCD display unit 14. It is shown. As described above, the shift to the state where the key portion 13 is stored is performed by operating the button 12. When the key portion 13 is housed in the key body 11, the shape and the configuration of the key portion 13 make it difficult to identify the key. The above display example is merely an example, and it goes without saying that other messages may be used.
[0018]
FIG. 2B shows a state in which the key unit 13 is protruding from the key body 11, and a display example of a message “OPEN” indicating that the door is unlocked on the LCD display unit 14. It is shown. As described above, the shift to the state where the key portion 13 is protruded is performed by operating the button 12. The above display example is merely an example, and it goes without saying that other messages may be used.
[0019]
Next, the door according to the first embodiment will be described. FIGS. 2A and 2B are side views showing one configuration of the door according to the first embodiment. 2A and 2B, reference numeral 2 denotes a door. The door 2 has a configuration including a door body 21, a door knob 22, a stopper 23, and the like, for example, as shown in FIG. The door 2 is configured such that when the door 2 is closed, a side face provided with the stopper 23 faces the door frame 30 on the house side.
[0020]
FIG. 2A is a view in which the door 2 is viewed from outside, and this is referred to as the outside. FIG. 2B is a view of the door 2 viewed from the inside, which is called the inside. As shown in FIG. 2B, the door 2 is provided with a locked state signal generator 25 inside. The locked state signal generating device 25 has a function of not only closing the door 2 but also generating a signal indicating whether the door 2 is unlocked or locked. As will be described later, a signal generated by the lock state signal generator 25 is transmitted to the key 1 through the keyhole of the door 21.
[0021]
Next, the internal structure of the key according to the first embodiment will be described. FIG. 3 is a block diagram showing one configuration inside the key according to the first embodiment. The key 1 has a circuit including a switch 31, a protrusion control program 32, a storage control program 33, a battery 34, an open / close determination and display control unit 35, a terminal 36, and the like, for example, as shown in FIG. . The operation of the entire key 1 is controlled by the CPU.
[0022]
The switch 31 has a function of switching to the protrusion control program 32 or the storage control program 33 by a switching operation of the button 12 by the user.
[0023]
The protrusion control program 32 has a function of controlling the protrusion of the key portion 13 from the key body 11 when selected by the switch 31. The storage control program 33 has a function of controlling the storage of the key unit 13 in the key body 11 when selected by the switch 31. Although not shown, the key unit 13 is controlled to be driven in and out by a driving unit provided in the key body 11 and operating in accordance with the protrusion control program 32 and the storage control program 33.
[0024]
The battery 34 has a function of supplying power to the entire key 1. The terminal 36 is a portion to which electricity is supplied when the key 13 is inserted into the keyhole of the door 2. As described above, the opening / closing determination and display control unit 35 receives the signal input from the locked state signal generator 25 of the door 2 via the terminal 36 and determines whether the door 2 is unlocked or locked based on the signal. It has the function of determining whether
[0025]
When the open / close determination and display control unit 35 obtains the determination result of the unlocked state, for example, displays a message “OPEN” on the LCD display unit 14, and on the other hand, obtains the determination result of the locked state. For example, a function to display a message “CLOSE” on the LCD display unit 14 is also provided.
[0026]
Next, the internal configuration of the house and the door side according to the first embodiment will be described. FIG. 4 is a block diagram showing one configuration of the house and the door side according to the first embodiment. FIG. 4A schematically shows a circuit configuration inside the door 2, and FIG. 4B schematically shows a circuit configuration inside the house.
[0027]
As shown in FIG. 4A, for example, the door 2 has a terminal 41 for energizing the terminal 36 of the key 1, a plug 42 for inserting power into an outlet (not shown), and a terminal for energizing a circuit on the house side. 44 and a circuit to which the lock state signal generator 25 is connected. The locked state signal generator 25 has a function of determining the unlocked state or the locked state of the door 2 and generating a signal indicating the unlocked state or the locked state, and transmitting this signal to the key 1 through the terminal 41. are doing.
[0028]
For example, as shown in FIG. 4B, the house has a circuit including a terminal 44 capable of supplying electricity to the terminal 43 of the door 2, a plug 45 for inserting power into an outlet (not shown), and the like. ing.
[0029]
Next, the operation according to the first embodiment will be described. FIG. 5 is a flowchart illustrating the operation of the door according to the first embodiment, and FIG. 6 is a flowchart illustrating the operation of the key according to the first embodiment.
[0030]
In order to insert the key 1 into the keyhole of the door 2, the button 12 must first be operated. When going out, the user operates the button 12 to make the key portion 13 protrude from the key body 11 and insert the key portion 13 into the keyhole of the door 2. When the user closes the door 2, first, the door 2 is closed, and the confirmation is performed by the locking state signal generation device 25 (step S51).
[0031]
If the user forgets to lock the door 2, the locked state signal generator 25 determines the unlocked state of the door 2 (YES route in step S52). On the other hand, if the user securely locks the door 2, the locked state signal is generated. The locked state of the door 2 is determined by the device 25 (NO route of step S52).
[0032]
In the case of the unlocked state, a signal indicating the unlocked state is generated by the locked state signal generator 25 (step S53). On the other hand, in the case of the locked state, the signal indicating the locked state is generated by the locked state signal generator 25. Is generated (step S54). In this way, a signal corresponding to whether the key is unlocked or locked is generated, and the transmission of the signal to the key 1 is completed by energizing the terminals 36 and 41 by inserting the key portion 13 into the keyhole.
[0033]
On the key 1 side, the open / close determination and the display control unit 35 determine whether the unlocked state or the locked state based on the signal input from the terminal 36 (step S61). As a result, in the unlocked state (YES route in step S61), the display control of the message “OPEN” is performed on the LCD display unit 14, and “OPEN” is displayed on the LCD display unit 14 ( Step S62).
[0034]
On the other hand, in the case of the locked state (NO route in step S61), the display control of the message "CLOSE" is performed on the LCD display unit 14, and "CLOSE" is displayed on the LCD display unit 14 (step S63). ). In this way, the user can know whether the key 1 remains unlocked or the lock is secure even when the user moves away from the door 2.
[0035]
As described above, according to the first embodiment, a large-scale system such as a network is not required. Just by inserting a key into a keyhole of a door, the key can be unlocked or locked by a visible display of the key. It is possible to easily check the state. As a result, it is possible to instantly eliminate the anxiety about the presence or absence of the lock which is anxious when going out.
[0036]
In addition, the key has the tip of the key protruding from the main body only when used, while the key is stored in the main body at normal time, that is, when carrying, so that the appearance is not visible to the key part, so the effect of enhancing portability and safety is improved. is there.
[0037]
(Embodiment 2)
By the way, in the above-described embodiment, the key can directly receive a signal from the door hole to confirm whether the door is unlocked or locked. However, the present invention is not limited to this. If the distance between the door and the door is short, the unlocked state or the locked state of the door may be confirmed using wireless communication such as infrared rays or Bluetooth.
[0038]
First, a key according to the second embodiment will be described. FIG. 7 is a block diagram showing one configuration inside the key according to the second embodiment. Explaining only the differences from the first embodiment described above, a reception and display control unit 71 is provided instead of the open / close determination and display control unit 35. The reception and display control unit 71 has a function of capturing short-range radio waves such as infrared rays and Bluetooth, and sends a signal indicating whether the unlocked state or the locked state of the first embodiment from the door side. Receive.
[0039]
Next, a house and a door according to the second embodiment will be described. In the second embodiment, since the dwelling side is the same as in the first embodiment, only different doors will be described. FIG. 8 is a block diagram showing one configuration of the door side according to the second embodiment. Explaining only the differences from the above-described first embodiment, a communication device 81 is connected to the lock state signal generation device 25, and the communication device 81 has a function of transmitting short-range radio waves such as infrared rays and Bluetooth. ing. Since the communication device 81 wirelessly transmits the signal indicating the unlocked state or the locked state according to the first embodiment, the wireless signal can be received if the key is within the radio wave range.
[0040]
Next, an operation according to the second embodiment will be described. FIG. 9 is a flowchart illustrating the operation of the door according to the second embodiment, and FIG. 10 is a flowchart illustrating the operation of the key according to the second embodiment.
[0041]
When the user closes the door 2, first, the door 2 is closed, and the confirmation is performed by the locked state signal generating device 25 (step S91). If the user has forgotten to lock the door 2, the locked state signal generator 25 determines the unlocked state of the door 2 (YES route in step S92). On the other hand, if the user securely locks the door 2, a locked state signal is generated. The locked state of the door 2 is determined by the device 25 (NO route in step S92).
[0042]
In the unlocked state, a signal indicating the unlocked state is generated by the locked state signal generator 25 (step S93), and the communication device 81 performs wireless communication (step S94). On the other hand, in the case of the locked state, a signal indicating the locked state is generated by the locked state signal generator 25 (step S95), and the communication device 81 performs wireless communication (step S96). In this way, a signal corresponding to whether the door is unlocked or locked is generated, and the signal transmission to the key is completed by wireless communication such as infrared rays or Bluetooth between the door and the key.
[0043]
On the key side, when a wireless signal is transmitted from the wireless device 81, if the key is at a short distance from the door, wireless communication is performed by the reception and display control unit 71 (step S101). Then, the reception and display control unit 71 determines whether the vehicle is in the unlocked state or the locked state based on the signal received by wireless communication (step S102). As a result, in the case of the unlocked state (YES route of step S102), the display control of the message “OPEN” is performed on the LCD display unit 14 and “OPEN” is displayed on the LCD display unit 14 ( Step S103).
[0044]
On the other hand, in the case of the locked state (NO route of step S102), the display control of the message “CLOSE” is performed on the LCD display unit 14 and “CLOSE” is displayed on the LCD display unit 14 (step S104). ). In this way, the user can know whether the key 1 remains unlocked or the lock is secure even when the user moves away from the door 2.
[0045]
As described above, according to the second embodiment, the same effects as those of the first embodiment can be obtained, and a large-scale system such as a network is not required. By simply connecting by wireless communication, it is possible to easily confirm the unlocked state or the locked state of the door from the key by the visible display of the key. As a result, it is possible to instantly eliminate the anxiety about the presence or absence of the lock which is anxious when going out.
[0046]
In the first and second embodiments described above, the relationship between the key and the dwelling is described as an example. However, the present invention is not limited to this. The application to is also possible.
[0047]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a key with a display function and a door open / closed state confirmation system that can easily confirm the open / closed state of the door using only the key.
[Brief description of the drawings]
FIG. 1 is a side view showing one configuration of a key according to a first embodiment.
FIG. 2 is a side view showing one configuration of the door according to the first embodiment.
FIG. 3 is a block diagram showing one configuration inside the key according to the first embodiment.
FIG. 4 is a block diagram showing one configuration of a house and a door side according to the first embodiment.
FIG. 5 is a flowchart illustrating an operation on the door side according to the first embodiment.
FIG. 6 is a flowchart illustrating an operation on the key side according to the first embodiment.
FIG. 7 is a block diagram showing one configuration inside a key according to the second embodiment.
FIG. 8 is a block diagram showing one configuration of a door side according to the second embodiment.
FIG. 9 is a flowchart illustrating an operation on the door side according to the second embodiment.
FIG. 10 is a flowchart illustrating an operation on the key side according to the second embodiment.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 key 2 door 3 housing structure 11 key body 12 button 13 key portion 14 LCD display unit 21 door body 22, 24 door knob 23 stopper 25 locking state signal generator 30 door frame 31 switch 32 protrusion control program 33 storage control program 34 battery 35 Opening / closing determination and display control unit 36 Terminal 41, 44 Terminal 42, 45 Plug 71 Reception and display control unit 81 Communication device

Claims (7)

A key with a display function for inserting into a keyhole of a door to unlock or lock,
A key body,
A key portion provided on the key body, for inserting into the keyhole to unlock or lock the door;
A display unit provided on one surface of the key body to display an unlocked state or a locked state of the door;
A key with a display function, characterized by comprising: A key with a display function for inserting into a keyhole of a door to unlock or lock,
A key part for unlocking or locking the door by being inserted into the keyhole,
A key body having a structure for inserting and removing the key portion, and a key body capable of storing the key portion;
A button provided on the key body, for operating the key unit,
A display unit provided on one surface of the key body to display an unlocked state or a locked state of the door;
A key with a display function, characterized by comprising: The key with a display function according to claim 2, wherein the key body has a mechanism for controlling insertion / removal of the key unit in response to an operation of the button. The key unit includes a receiving unit that receives a signal from a keyhole of the door, and the key body includes a determining unit that determines an unlocked state or a locked state of the door based on a signal received by the receiving unit. 4. The key with a display function according to claim 1, wherein the display unit displays an unlocked state or a locked state of the door based on a result determined by the determination unit. 5. The key unit includes a receiving unit that receives a wireless signal from the door, and the key body includes a determining unit that determines an unlocked state or a locked state of the door based on the wireless signal received by the receiving unit. 4. The key with a display function according to claim 1, wherein the display unit displays an unlocked state or a locked state of the door based on a result determined by the determination unit. 5. A door open / closed state confirmation system for communicating between a key and a door,
The door is
Opening / closing determining means for determining an unlocked state or a locked state;
Communication means for transmitting a signal indicating an unlocked state or a locked state determined by the open / close determination means to the key unit by energizing with the key;
Has,
The key is
Receiving means for receiving a signal transmitted by the communication means by energizing with the door,
Display means for displaying an unlocked state or a locked state of the door based on a signal received by the receiving means,
A door open / closed state confirmation system, characterized by having: A door open / closed state confirmation system for communicating between a key and a door,
The door is
Opening / closing determining means for determining an unlocked state or a locked state;
Communication means for communicating with the key wirelessly and sending a signal indicating the unlocked state or the locked state determined by the open / close determination means to the key unit,
Has,
The key is
Receiving means for receiving a signal transmitted by the communication means by wirelessly communicating with the door,
Display means for displaying an unlocked state or a locked state of the door based on a signal received by the receiving means,
A door open / closed state confirmation system, characterized by having:

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