JPH053510B2 - - Google Patents

Description

[Detailed description of the invention]

(Field of Industrial Application) The present invention relates to a vehicle locking/unlocking device for locking/unlocking an opening/closing body such as a door or a trunk of an automobile using a key card having a recited code. (Prior art) Conventionally, in this type of vehicle lock/unlock device,
When locking/unlocking an opening/closing body such as a door or trunk of a car, etc., by inserting a key card with a recited code into a removable hole provided in the driver's side door, a transmission provided on the key card can be performed. Send the recitation code to a receiver installed on the vehicle body side from the device,
When the code registered in the vehicle body memory matches the recited code, the vehicle is locked or unlocked depending on the locked/unlocked state of the vehicle opening/closing body. (Problem to be Solved by the Invention) However, in the vehicle lock/unlock device shown in the prior art, the recited code transmitted to the vehicle body upon insertion of the key card and the registration code registered in advance in the vehicle body memory. Compare whether or not they match.
If the two match, it will be locked or unlocked depending on the locking/unlocking state of the opening/closing body such as the door, so if you forget to turn off the vehicle's lights, forget to pull the handbrake, forget to leave the door ajar, or forget to close the trunk. There is a problem with people leaving their cars locked and leaving the car in such a state. (Means for Solving the Problems) The present invention aims to solve the problems as described above, and as a means thereof, the transmitter is equipped with a keyboard, a display section, and a RARM, and the door-side reception By equipping the device with a RAM to write forgotten warning information and writing the forgotten warning information into the transmitter's RAM when transmitting a key code, it is possible to prevent forgetting to turn off vehicle lights, forgetting to apply the handbrake, leaving the door ajar, or closing the trunk. This prevents you from locking the vehicle door if you have forgotten to lock it. (Example) Hereinafter, an example of the present invention will be described based on the drawings. FIG. 1 is a perspective view of a vehicle locking device according to the present invention attached to an automobile, and FIG. 2 is a partially enlarged view of the attachment part B of the vehicle locking device in FIG. 1.
Figure 3 is a front view of the transmitter, Figure 4 is a side sectional view when the transmitter is inserted into the vehicle body, Figure 5 is a block diagram of the vehicle body locking device, and Figure 6 is the same as Figure 5. FIG. 6 is a processing flow diagram of the block diagram shown in FIG. In the figure, 1 is a transmitter, 3a is a slot, and 3 is an out handle. Vehicle lock/unlock device is transmitter 1
and a receiver 2 installed inside the driver's side door 4 of automobile A.
By inserting the key into the slot 3a provided at the top of the door, information such as key information is sent and received, and the door 4 and the like are locked and unlocked. To lock and unlock the vehicle doors, etc., when the transmitter 1 is inserted into the slot 3a, a unique key code pre-stored in the ROM inside the transmitter 1 is transmitted to the receiver 2 on the door side. The code is compared with the registration code pre-stored in the ROM in the receiver 2 on the door side, and if the two match, the opening/closing body is automatically locked or unlocked according to the lock state of the vehicle opening/closing body. It is set as. In addition to this mechanism, this device also transmits the lock status of opening/closing objects such as doors stored in the RAM in the receiver 2 on the vehicle body side to the transmitter 1 side.
By storing the information in the side RAM, it is possible to selectively lock and unlock opening/closing objects such as vehicle doors and trunks. In addition to the above-mentioned mechanism, this device also stores forgotten warning information such as forgetting to pull the brake, door ajar alarm, and forgetting to close the trunk in the RAM in the receiver 2 on the vehicle side. If you forget to close it,
The warning is issued by a buzzer built into the transmitter 1 when the driver leaves the vehicle, and then when the transmitter 1 is removed from the vehicle body, the forgetting warning information is displayed on the transmitter 1. be. Figures 3 and 4
As shown in the figure, the surface of the transmitter 1 includes a vehicle door,
A display section 5 using an LCD is provided to display warning information such as the locked/unlocked state of opening/closing objects such as the trunk and forgetting to turn off lights on the vehicle body side. Below the display section 5 are three numeric switches 6, 7, 8 and two scroll switches 9 on either side of them.
10 are provided. the number switch 6,
7 and 8 switch from automatic mode to manual mode, and from manual mode to automatic mode when selectively locking/unlocking vehicle doors, etc., and when forgetting warning information on the vehicle side is displayed on the display section. It is used in both cases. the scroll switch 9;
Reference numeral 10 is used to advance the information displayed on the display section 5 of the transmitter 1 one item at a time in the manual mode; the scroll switch 9 is used for forward forwarding, and the scroll switch 10 is used for reverse forwarding. As shown in FIGS. 3 and 4, three magnetic heads 12, 13, and 14 are provided on the upper surface of the transmitter 1, and when the transmitter 1 is inserted into the slot 3a, Synchronization pulses and transmission/reception data pulses are simultaneously communicated between the three magnetic heads 15, 16, 17 provided on the side of the receiver 2 and the magnetic heads 12, 13, 14 (FIG. 5). still,
In FIG. 5, 22 indicates a CPU (central processing unit). Next, the operation of this apparatus will be explained according to the block diagram in FIG. 5 and the processing flow diagram in FIG. In FIG. 5, 1 indicates the transmitter side and 2 indicates the receiver side. When the transmitter 1 is inserted into the slot 3a provided in the driver's side door 4 of the car A, the key code pre-stored in the ROM 18 on the transmitter 1 side is transmitted to the receiver 2 side via the magnetic heads 14 and 17. be done. At this time, the receiver 2 side receives the key code, and the receiver 2 side receives the key code and the receiver 2 side.
Compare and check with the registration code pre-stored in ROM19. As a result of the comparison, if the two codes match, a code matching signal is sent from the receiver 2 side to the receiver 1 side, the buzzer in the transmitter 1 sounds, and the vehicle opens/closes depending on the lock state of the vehicle opening/closing body. The body will automatically lock and unlock. Furthermore, the lock state of the vehicle opening/closing body is displayed on the display section 5 of the transmitter 1. Here, the relationship between automatic locking and unlocking according to the door lock status on the driver side (driver side) and assist side (passenger seat side), displaying the results on the display unit 5 of the transmitter 1, and sounding the buzzer. The details are as shown in the table below (marks in parentheses in the table indicate the parts that worked). [Automatic lock/unlock]

【table】

[Table] If the two codes do not match as a result of verification,
None of the above instructions work and the process ends. Next, in order to selectively lock/unlock the vehicle opening/closing body with information such as the locked state of the vehicle opening/closing body being transferred to the transmitter 1, the transmitter 1 is inserted into the slot 3a and the According to the result of automatic locking/unlocking □1
Press number switch 6 to switch to driver side (driver side)
However, when the □2 number switch 7 is pressed again, the door on the assist side (passenger seat side) is turned to the unlocked state, which is the opposite of the state before the number switches 6 and 7 were operated.
Here, the operation of the selective turning/unlocking is shown in the table below, taking a vehicle door as an example and showing its turning/unlocking state (the marks in parentheses indicate the points where the locking is activated). show). [Selective rotation unlocking] ...Press button

【table】

[Table] Furthermore, in this device, at the same time the key code is transmitted from the transmitter 1 to the receiver 2, the main light on the vehicle side
Vehicle information such as auxiliary light lighting, brake position, door ajar, etc. is sent from the RAM 20 on the receiver 2 side to the transmitter 1 side.
It is transferred to the RAM 21 via the magnetic heads 16 and 13, and after the automatic locking/unlocking is executed, it is sent if there are any unoperated parts when the driver leaves the vehicle, such as lights being turned on, doors left ajar, etc. The buzzer built into device 1 sounds. In this case, when the transmitter 1 is removed from the slot 3a, the display section 5 on the transmitter 1
For example, characters such as ``Head light lady'' and ``P brake hit failure'' are displayed to specifically indicate the forgotten location. This allows the driver to know where there are unoperated parts. In automatic display mode, this display is displayed repeatedly every 1 or 2 seconds starting from the highest priority.
When the numerical switch 7 is pressed to switch to the manual display mode, each time the □← scroll key 9 is pressed, the vehicle information is displayed one item at a time. (Effects of the Invention) As described above, the present invention provides a transmitter with a keyboard, a display section, and a RAM, and a door-side receiver with a RAM in which the rotating/unlocking state of the vehicle opening/closing body is written.
When transmitting a key code, the transmitter's RAM is equipped with warning information such as forgetting to turn off the vehicle's lights, forgetting to pull the handbrake, forgetting to leave the door ajar, or forgetting to close the trunk.
In addition to sending and receiving the limited information associated with automatic revolving locking, it is also possible to send and receive limited information when the vehicle door is opened in situations such as forgetting to turn off the vehicle's lights, forgetting to pull the handbrake, or forgetting to close the door or the trunk. This has the excellent effect of preventing you from leaving your car with the lock locked.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a vehicle locking/unlocking device according to the present invention attached to an automobile, and FIG. 2 is a partially enlarged view of the mounting portion of the vehicle locking/unlocking device in FIG. 1.
Figure 3 is a front view of the transmitter, Figure 4 is a side sectional view when the transmitter is inserted into the vehicle body, Figure 5 is a block diagram of the vehicle lock/unlock device, and Figure 6 is the same as Figure 5. FIG. 6 is a processing flow diagram of the block diagram shown in FIG. 1... Transmitter, 2... Receiver, 3... Out handle, 3a... Slot, 5... Display section, 6,
7, 8... Number switch, 9, 10... Scroll switch, 11... Buzzer, 12, 13, 14
... Magnetic head, 18 ... Transmitter side ROM, 19
...Receiver side ROM, 20...Receiver side RAM,
21...Transmitter side RAM.

Claims (1)

[Claims] 1. A transmitter that is provided with a unique key code and transmits the key code to receiving means on the door side via a transmitting means, and a received key code and a registration code registered on the door side. In the vehicle locking device, the transmitter is equipped with a keyboard, a display section, and a RAM, and the transmitter is equipped with a keyboard, a display section, and a RAM. Writing forgotten warning information to the side receiver
A locking/unlocking device for a vehicle, characterized in that it is equipped with a RAM, and the forgetting warning information is written into the RAM of the transmitter when transmitting a key code. 2. Claim 1, characterized in that when the transmitter is removed from the receiver side, forgetting warning information stored in the RAM of the transmitter is sequentially displayed on a display section by operating the keyboard. The vehicle lock/unlock device described. 3. Claim 1, wherein the forgetting warning information is information about forgetting to turn off the vehicle lights, forgetting to apply the handbrake, forgetting to close the door, and forgetting to close the trunk.
The locking/unlocking device for a vehicle according to item 1 or 2. 4. The locking/unlocking device for a vehicle according to claim 1 or 2, wherein the keyboard comprises three numeric switches and two scroll switches arranged on both sides of the keyboard. 5. A patent claim characterized in that the transmitting/receiving means comprises three pairs of magnetic heads arranged opposite each other, so that transmitter data, receiver side data, and synchronization signals are simultaneously communicated when the transmitter is attached. A locking/unlocking device for a vehicle according to item 1 or 2.