JP2002009902A - Portable telephone terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable telephone terminal device capable of reliably starting a function that makes the portable telephone terminal device unanswerable to an incoming call while a user drives a car. SOLUTION: An antenna 21 receives a radio signal transmitted by a key for keyless entry when a door is opened or closed, and a receiving level detecting part 24 sweeps a local oscillation frequency generated by a frequency synthesizer part 4 so as to be able to detect the demodulation voltage of the radio signal and performs frequency scanning. When a frequency deciding part 25 detects the frequency of the radio signal for keyless entry, an MCPU 5 stores the frequency in a frequency memory part 26. Afterward, in the case that the frequency of the radio signal transmitted when the door is opened and the user gets in the car coincides with the frequency stored in the part 26, the function that makes the portable telephone terminal device unanswerable to an incoming call is started, and in the case that the frequency of the radio signal transmitted when the user gets out of the car and the door is closed coincides with the frequency stored in the part 26, the function is stopped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone terminal device having a function of making it impossible to answer an incoming call.
(Hereinafter referred to as "response disabled function").

[0002]

2. Description of the Related Art At present, it is forbidden for a person driving a car to use a portable telephone terminal device, and the portable telephone terminal device has a function of not responding conventionally. It is necessary for the user to perform a specific operation to activate the function before starting the operation. On the other hand, when returning to the normal function after the operation ends,
As described above, it was necessary to stop the function by performing a specific operation. FIG. 10 is a block diagram of a conventional mobile phone terminal device. In this figure, the above-mentioned specific operation corresponds to pressing a response disable function setting key 16.

[0003]

However, in the above-described prior art, the user must perform a specific operation to activate the non-response function before starting the operation. Sometimes you forget. In this case, the function is not activated, so that the user operates the mobile phone terminal device to respond to the incoming call while driving, and the user cannot concentrate on the driving action, which is extremely dangerous. is there. SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and activates the function in response to a user opening a door with a keyless entry key at the time of boarding, and responds to an incoming call while driving. In order to prevent operation of the mobile phone terminal device, on the other hand, it is possible to stop the function in conjunction with the operation of closing the door with the keyless entry key at the time of getting off and return to the normal function and use it. It is an object of the present invention to provide a mobile phone terminal device capable of performing the above.

[0004]

According to a first aspect of the present invention, there is provided a portable telephone terminal device having a call rejection function for automatically sending out that a call cannot be answered in response to an incoming call. Frequency detection means for detecting the frequency of the radio signal transmitted at the time of opening and closing, and storage means for storing the frequency detected by the frequency detection means,
When the frequency of the radio signal transmitted from the keyless entry key at the time of opening the door during boarding matches the frequency stored in the storage means, the non-response function is activated. A key interlocking response disabling control unit that stops the response disabling function when the frequency of the radio signal transmitted from the keyless entry key sometimes matches the frequency stored in the frequency memory unit; And a notifying unit for notifying the start and stop of the system.

According to a second aspect of the present invention, in the first aspect of the present invention, the frequency detecting means includes: an antenna for receiving a radio signal transmitted by the keyless entry key when a door is opened and closed; Key frequency receiving radio section for converting the converted radio signal into an intermediate frequency, a frequency synthesizer section for generating a local oscillation frequency for the intermediate frequency conversion, and a demodulation section for outputting a voltage value proportional to the signal level of the intermediate frequency A reception level detection unit that detects that the voltage value is greater than or equal to a specified value and outputs a detection signal, and a frequency determination unit that determines the frequency of the wireless signal based on the detection signal, The synthesizer section scans the frequency of the radio signal by sequentially changing the local oscillation frequency.

According to a third aspect of the present invention, in the first aspect of the present invention, the notifying means is a notifying form comprising vibration by a vibrator or sound by a sounder. Telephone terminal device.

According to a fourth aspect of the present invention, in the first aspect of the present invention, when the frequency of the radio signal transmitted by the keyless entry key when the door is opened and closed is different, the storage means is provided in the frequency memory section. It is characterized in that two frequencies, that is, when the door is opened and when the door is closed, are stored.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of a mobile phone terminal according to an embodiment of the present invention. First, components of the related art in FIG. 1 will be described. 1 is an antenna for transmitting and receiving radio signals, 2 is a TRX radio unit for modulating and demodulating radio signals transmitted and received by the antenna 1, and 3 is a base for encoding and decoding voice data and other data signals to be modulated and demodulated by the TRX radio unit. A band processing unit 4 is a frequency synthesizer unit that generates a local oscillation frequency for performing intermediate frequency conversion in modulation and demodulation of the TRX radio unit 2, and 5 is a TRX that controls the local oscillation frequency and controls the local oscillation frequency.
An MCPU (central processing unit) having a function of a frequency determination unit 51 for determining a transmission / reception frequency of the wireless unit 2 (frequency determination unit 51) and a function of performing another control of the apparatus.
Details of the function of the MCPU 5 will be described later as necessary. Further, a receiver (receiver) 7 for outputting received voice and a microphone (transmitter) 8 for inputting voice are connected to the baseband processing unit 3.

On the other hand, 6 is a power supply section for supplying power to each section of the apparatus, 9 is a display section for displaying various setting input states such as a telephone number, a clock and a communicable area / out of service area, and 10 is a plurality of user-operated states. User IF unit for recognizing an input state of a number button 11 composed of numeric keys
2, a data communication IF unit having a connection terminal for performing data communication with another computer device; 13, a driver unit for controlling a function of notifying a user of various setting states of the device by sound or vibration; A vibrator (vibration motor) having a function of notifying by vibration, and a sounder (speaker) 15 having a function of notifying by sound. Reference numeral 16 denotes a key for setting a function for not responding to a response during operation for starting and canceling the function for not responding to a response during driving by manual operation.
Reference numeral 17 denotes a key control unit for recognizing the key operation and transmitting the key operation to the MCPU 5, reference numeral 18 a telephone directory for storing telephone numbers and names as necessary, and reference numeral 19 a clock circuit for generating a reference clock for operating the MCPU 5.

Next, the components of the present invention in this figure will be described. Reference numeral 20 denotes a key-linked response disable function setting key for starting or ending the key-linked response disable function.
1 is an antenna for receiving a radio signal transmitted by the keyless entry key, 22 is a key frequency RX radio section for converting a radio signal received by the antenna 21 into an intermediate frequency by a local oscillation frequency of the frequency synthesizer 4 controlled by the MCPU 5, 23 Is a demodulation unit that demodulates the converted intermediate frequency and outputs a voltage value proportional to the signal level. The demodulation unit 24 detects that the voltage value is greater than or equal to a specified value (threshold), and receives the signal at the antenna 21. A reception level detector that outputs a signal indicating that the signal level of the radio signal thus obtained is equal to or higher than a required strength. 25 is the reception level detection unit 2
4 is a frequency determination unit that detects the frequency of the wireless signal by confirming the local oscillation frequency of the frequency synthesizer unit 4 controlled by the frequency determination unit 51 of the MCPU 5 in response to the signal of the MCPU 5. This is a frequency memory unit for storing the frequency detected by the frequency determination unit 25 accordingly. Also, this frequency memory unit 26
The notification form at the time of activation and stop of the response unavailable function is stored in.

The operation of this embodiment will be described below with reference to FIGS. Here, a case will be described in which the frequency of the wireless signal transmitted by the keyless entry key when the door is opened and closed (hereinafter, referred to as “key frequency”) is the same. FIG. 2 is a flowchart showing the operation of storing the key frequency in the frequency memory unit 26, and FIG. 3 is a flowchart showing the operation of the key interlocking response disable function. First, an operation of storing the key frequency in FIG. 2 in the frequency memory unit 26 will be described. In the normal mode (S201),
It is in a state of waiting for input of the key interlocking response disable function setting key 20 (S202). If the setting key 20 is pressed down here (Yes), the information is transmitted to the MCP via the key control unit 17.
Reported to U5. The MCPU 5 displays a message "Start the key-linked response disable function?" For confirmation on the display unit 9, prompts the user to make a determination operation, and waits for a key operation input (S203). Step S20
If it is determined in step 3 that the user starts the function by operating the number button 11 or the like (Ye
s), the MCPU 5 switches the local oscillation frequency of the frequency synthesizer unit 4 and scans the key frequency (S20).
4).

If the function setting key is not depressed in step S202, the process stays at step S202. If it is determined in step S203 that the user does not start (finish) the function (No), the process returns to step S202.

When the scanning of the key frequency is started in step S204, the MCPU 5 starts counting up of the timer using the clock circuit 19 (S205).
It is determined whether the count of the timer is equal to or less than a specific time T seconds (S206). If the count of the timer is equal to or less than the specific time T seconds in step S206 (Yes),
From the output of the reception level detection unit 24, it is determined whether the key frequency can be scanned (S207). When scanning of the key frequency is possible (OK) in step S207 (Ye
s) In other words, when the key frequency at the time of opening and closing the door can be detected by the reception level detecting unit 24, the MCPU 5 displays a message "confirm the key frequency?" The operation is prompted to enter key operation input waiting processing (S208). Step S20
If the user determines that the frequency is to be registered by operating the number button 11 or the like in step 8 (Ye
s), the frequency determination unit 25 is the frequency determination unit 5 of the MCPU 5
In step 1, the local oscillation frequency generated by the frequency synthesizer unit 4 is confirmed. The MCPU 5 stores the confirmed frequency as a key frequency in the key frequency memory unit 26 (S209). At this time, the notification mode at the time of starting and stopping the response unavailable function is also stored in the memory unit 26 (S2).
09). After executing the operation in step S209, the process returns to the normal mode (S210).

If the count of the timer is larger than the specific time T seconds in step S206 (No), the process returns to the determination process in step S202, and if the scan of the key frequency is not (NG) in step S207. (N
o), the process returns to the determination processing of step S206. If it is determined in step S208 that the user does not register the key frequency (No), the process returns to step S202.

Next, the operation of the key interlocking response disable function shown in FIG. 3 will be described. In the normal mode (S30
1), a key frequency scan waiting state when the door is opened and closed (S302). At this time, when the user operates the keyless entry key to open the door, the key frequency is scanned and the frequency determination unit 25 performs the key frequency scan. Is detected. Here, the MCPU 5 compares the detected frequency with the key frequency stored in the frequency memory unit 26,
As a result, when it is determined that both frequencies match (Y
es) The driver unit 13 is operated in accordance with the notification mode at the time of activation of the response unavailable function stored in the frequency memory unit 26, and the user is notified of the activation of the function by the vibration of the vibrator 14 or the sound of the sounder 15. With (S303),
The function is activated (S304). If it is determined in S302 that the two frequencies do not match (No), the process proceeds to S30.
It returns to the judgment processing of No. 2.

Further, after activating the function, the MCPU 5
Using the clock circuit 19, count up of the timer
Is started (S305), and it is determined whether the count of the timer is less than or equal to a specific time P seconds (S306). If the count of the timer is equal to or less than the specific time P seconds in step S306 (Yes), it is determined whether or not there is no key-linked response disable function setting key 20 (S307). Waits for scanning of the key frequency when the door is opened and closed (S308). At this time, when the user operates the keyless entry key for closing the door, the key frequency is scanned, and the frequency determination unit 25 detects the key frequency. Here, the MCPU 5 compares the detected frequency with the frequency of the key stored in the frequency memory unit 26. As a result, when it is determined that both frequencies match (Yes), the MCPU 5 stores the frequency in the frequency memory unit 26. The driver unit 13 is operated in accordance with the notification form when the response unavailable function is stopped, and the user is notified of the stop of the function by the vibration of the vibrator 14 or the sound of the sounder 15 (S309), and the function is stopped. (S310).
After the function is stopped in step S310, the mode returns to the normal mode (S311).

If it is determined in step S306 that the count of the timer is greater than the specific time P seconds (No), the process proceeds to step S309. On the other hand, if there is an input of the key interlocking response disable function setting key in step S307. Is (N
o), the process proceeds to step S310. If it is determined in step S308 that both frequencies do not match (No), the process returns to the determination processing in step S303.

Next, the operation of another embodiment of the present invention will be described with reference to FIG.
Will be described with reference to FIGS. FIG. 4-
FIG. 8 is a flowchart showing the operation corresponding to both the case where the key frequency at the time of opening and closing the door is the same and the case where the key frequency is different. FIGS.
FIG. 8 is a flowchart showing the operation of the key interlocking response disable function. First, the operation of storing the key frequencies of FIGS. 4 to 7 in the frequency memory unit 26 will be described. Steps S401 to S401
The operations up to S403 are the same as those in steps S201 to S203 in FIG. If “Yes” in the step S403, the MCPU 5 displays “Does the frequency of the keyless entry key differ between when the door is unlocked and when the door is locked” on the display unit 9 and prompts the user to make a decision operation to perform the key operation. An input waiting process is performed (S404).
When the user determines in step S404 that the frequency is different by operating the number button 11 or the like (Ye
s) Then, the processing shifts to the processing after step S405. The operations in steps S405 to S408 are the same as steps 204 to S207 in FIG.

In step S408, if the frequency of the radio signal transmitted by the keyless entry key can be scanned (OK) (Yes), that is, the key frequency when the door is opened is detected by the reception level detector 24. If successful, the MCPU 5 displays a message "Confirm key frequency as door opening?" On the display unit 9 for confirmation, prompts the user to make a determination operation, and waits for a key operation input (S409). . If it is determined in step S409 that the user operates the number button 11 or the like to register the frequency (Yes),
The frequency determination unit 25 checks the local oscillation frequency generated by the frequency synthesizer unit 4 by the frequency determination unit 51 of the MCPU 5. The MCPU 5 stores the confirmed frequency in the key frequency memory unit 26 as a key frequency when the door is opened (S410). At this time, the notification mode at the time of activation of the response unavailable function is also stored in the memory unit 26 (S41).
0).

After the operation of step S410, the operation shifts to the operation of step S512 in FIG.
Is displayed, the user is prompted for a determination operation, and the process waits for an input of a key operation (S512). If it is determined in step S512 that the user operates the number button 11 or the like to register the frequency (Yes), the MCP
U5 uses the clock circuit 19 to start counting up the timer (S513), and determines whether the count of the timer is less than or equal to a specific time U seconds (S51).
4). If the count of the timer is equal to or shorter than the specific time U second in step S514 (Yes), the reception level detection unit 2
It is determined from the output signal of step 4 whether the key frequency can be scanned (S515). If it is determined in step S515 that the key frequency can be scanned (OK) (Yes), that is, if the reception level detection unit 24 can detect the key frequency when the door is closed, the frequency determination unit 25 determines the frequency of the MCPU 5 The local oscillation frequency generated by the frequency synthesizer unit 4 is confirmed by the unit 51, and the MCPU 5 determines whether or not the confirmed frequency is different from the key frequency at the time of opening the door stored in the frequency memory unit 26 in step S410. Perform (S516). If it is determined in step S516 that the two frequencies are different, the MCPU 5 stores the confirmed frequency in the key frequency memory unit 26 as the key frequency when the door is closed (S517). At this time, the notification mode when the response unavailable function is stopped is also described together with the memory unit 2.
6 (S517).

If it is determined in step S512 that the user does not register the frequency (No), or if the count of the timer is greater than the specified time T seconds in step S206 (No), or in step S516. In both cases where it is determined that both frequencies are the same (No), the MCPU 5 stores in the key frequency memory unit 26 the same key frequency when the door is opened and when the door is closed (S51).
8). At this time, the notification mode at the time of starting and stopping the response unavailable function is also stored in the memory unit 26 (S518).
After performing the operation in step S517 or step S518, the process returns to the normal mode (S519).

On the other hand, if it is determined in step S409 that the user does not register the frequency by operating the number button 11 or the like (No), the frequency determination unit 25 determines the frequency by the frequency determination unit 51 of the MCPU 5 The local oscillation frequency generated by the synthesizer unit 4 is confirmed. M
The CPU 5 stores the confirmed frequency as the key frequency when the door is closed in the key frequency memory unit 26 (S41).
1). At this time, the notification mode when the response unavailable function is stopped is also stored in the memory unit 26 (S411). After performing the operation in step S411, the process proceeds to the operation in step S612 in FIG. The operations of steps S612 to S619 in FIG. 6 are the same as those in steps S512 to S519 in FIG. 5 described above except that “open” is “closed”, “closed” is “open”, and “start”.
Is the same as "stop", and "stop" is the same as "start". If it is determined in step S404 that the frequency is the same by operating the number button 11 or the like by the user (No), the process proceeds to steps S701 to S707 in FIG. This operation is described in steps S204 to S21 in FIG.
0 is the same as the operation.

Next, the operation of the key interlocking response disable function of FIG. 8 will be described. In the operation of this function, the part of “key frequency” in steps S302 and S308 in the operation of FIG. 3 is changed to “key frequency when door is opened” in step S802, and “key frequency when door is closed” in step S808. Step S801 is the same except for replacement.
The operations in steps S811 to S811 correspond to the operations in steps S301 to S311. If the key frequency for opening and closing the door is the same, the operation of this function is completely the same as the operation of FIG.

In this embodiment, the case where the antenna 21 and the keyless key RX radio section 22 are configured independently of the antenna 1 and the TRX radio section 2 which are constituent parts of the prior art has been described. Is not limited to this. For example, the antenna 21 and the antenna 1 and the key frequency RX radio unit 22 and the TRX radio unit 2 may be shared and used, respectively, to obtain a configuration as shown in FIG. In addition, the notification mode at the time of starting and stopping the non-response function may be the same or different at the time of starting and stopping the function. In the latter case, in particular, the user can easily recognize the state of the function. be able to.

[0025]

As described above, according to the portable telephone terminal device of the present invention, the non-response function is activated in conjunction with the operation of opening the door by the keyless entry key when the user gets on the vehicle. Eliminates the need to operate the function. Accordingly, it is possible to reliably eliminate the operation of the terminal device for an incoming call during driving, and to contribute to safe driving by focusing the user on driving. On the other hand, the function is stopped in conjunction with the operation of closing the door by the keyless entry key at the time of getting off, so that the user can use the terminal device with a normal function thereafter.

[Brief description of the drawings]

FIG. 1 is a block diagram of a mobile phone terminal according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an operation of storing a key frequency in a frequency memory unit 26 when a key frequency at the time of opening and closing a door is the same.

FIG. 3 is a flowchart showing an operation of a key interlocking response disable function when a key frequency at the time of opening and closing a door is the same.

FIG. 4 is a flowchart showing an operation of storing a key frequency in the frequency memory unit 26 in a case where the key frequency at the time of opening and closing the door is both the same and different.

FIG. 5 is a flowchart showing an operation of storing a key frequency in the frequency memory unit 26 in a case where the key frequency at the time of opening and closing the door is both the same and different.

FIG. 6 is a flowchart showing an operation of storing a key frequency in the frequency memory unit 26 in a case where the key frequency at the time of opening and closing the door is both the same and different.

FIG. 7 is a flowchart showing an operation of storing a key frequency in the frequency memory unit 26 in a case where the key frequency at the time of opening and closing the door is both the same and different.

FIG. 8 is a flowchart showing an operation of a key interlocking response disable function in a case where the key frequency at the time of opening and closing the door is both the same and different.

FIG. 9 is a block diagram of a mobile phone terminal device according to another embodiment of the present invention.

FIG. 10 is a block diagram of a mobile phone terminal device according to the related art.

[Explanation of symbols]

 Reference Signs List 4 frequency synthesizer section 14 vibrator 15 sounder 21 antenna 22 key frequency reception radio section (key frequency RX radio section) 23 demodulation section 24 reception level detection section 25 frequency determination section 26 frequency memory section 51 frequency determination section

Claims (4)

[Claims] 1. A portable telephone terminal device having a response-disable function for automatically transmitting that a call cannot be answered to an incoming call. A frequency detection for detecting a frequency of a radio signal transmitted when a keyless entry key of a car opens and closes a door. Means, a storage means for storing the frequency detected by the frequency detection means, the frequency of the radio signal transmitted from the keyless entry key when the door is opened at the time of boarding, and the frequency stored in the storage means If they match, the response disable function is activated.On the other hand, if the frequency of the radio signal transmitted from the keyless entry key when the door is closed when getting off the vehicle matches the frequency stored in the frequency memory unit, Key interlocking response disable control means for stopping the response disable function, and notification means for notifying activation and stop of the response disable function Cellular phone terminal device characterized and. 2. An antenna for receiving a radio signal transmitted by the keyless entry key when a door is opened and closed, and a key frequency reception radio section for converting the received radio signal into an intermediate frequency. A frequency synthesizer that generates a local oscillation frequency for the intermediate frequency conversion, a demodulator that outputs a voltage value proportional to the signal level of the intermediate frequency, and detects that the voltage value is equal to or greater than a specified value. A reception level detection unit that outputs a detection signal based on the detection signal, and a frequency determination unit that determines the frequency of the radio signal based on the detection signal. The frequency synthesizer unit sequentially changes the local oscillation frequency to generate the radio signal. The mobile phone terminal device according to claim 1, wherein the mobile phone terminal scans a frequency of the mobile phone. 3. The mobile phone terminal device according to claim 1, wherein said notifying means is a notifying form comprising vibration by a vibrator or sound by a sounder. 4. When the frequency of a radio signal transmitted by the keyless entry key when the door is opened / closed is different, the storage means stores two frequencies when the door is opened and when the door is closed in a frequency memory unit. The mobile phone terminal device according to claim 1, wherein: