JPS63281549A - Telephone system - Google Patents

Abstract

PURPOSE:To improve the usefulness and operability of a telephone device by responding automatically to a telephone called during the absence and providing a telephone device to identify and display a caller in the form to be able to recognize easily by a user. CONSTITUTION:In a calling signal detecting circuit 19, when the prescribed number of the times of calling signals is detected, a transistor TR6 is turned on, a switch 4a is turned on accompanying it, and a calling condition is obtained. In this condition, a message signal to inform that an automatic receiving is executed from a message generating circuit 20 is sent to the caller. The caller executes the prescribed key operation is executed in accordance with the message, and only when a prescribed telephone number or an ID is inputted, the memory of a selecting signal generating circuit 13 is made into a registering mode. The data of the telephone number inputted by the caller are stored into the area read instantaneously by an one-touch dial button 32 for a prescribed return telephone. Simultaneously, by the storing data, the caller is identified at a CPU 17, a displaying signal S5 is formed and by the signal S5, an LED is caused to light up.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a multifunctional telephone device having an automatic answering function and the like.

(Summary of the Invention) The present invention provides a multi-functional telephone device having an automatic answering function, etc., which automatically answers incoming calls while the caller is away, and responds to the caller's predetermined key operations. The number or ID is stored in the memory, and the caller is identified and displayed according to the contents of the memory, so that the user can easily recognize the caller, and the caller is given a call back, etc. This is intended to improve operability and usefulness by allowing quick and easy operations.

[Conventional technology]

2. Description of the Related Art Recently, telephone devices have been known that have been added with various functions to improve their operability and usefulness. For example, −
A-type telephone devices have a redial function that remembers the last phone number you dialed and allows you to call it again by simply pressing a dedicated button within a predetermined time, and a redial function that allows you to call the number again by simply pressing a dedicated button within a predetermined time. Some devices have a cold display function that notifies the user of a call or call by lighting up an LED or the like.

It also automatically answers calls that come in while you are away.
Some devices have an answering function that allows the other party's business to be recorded using a recording means such as a voice memory or a tape recorder.

[Problem that the invention seeks to solve]

However, with the type that has the cold display function mentioned above, you can only know that there was a call while you were away.
There was a drawback that the caller who made the call could not be identified. In addition, the type with an answering machine function can identify the caller by playing back the voice recorded on the recording means, but since it requires some kind of recording means, it has the disadvantage of being a commercially priced product. In addition, since it takes time and effort to play back the audio, it is possible to quickly and easily send the 11
There was a drawback that it was not possible to identify the caller and take measures such as returning a call.

Therefore, an object of the present invention is to provide a telephone device that can automatically answer incoming calls while the user is away and can identify and display the caller in a way that the user can easily recognize the caller. .

Another object of the present invention is to provide a telephone device that can quickly and easily take measures such as returning a call to a caller who received an incoming call while the user was away.

(Means for Solving the Problems) This invention provides means 19 and 20 for automatically receiving a call by a calling signal and sending a response message, and a DTM from a caller.
means 16 and 17 for receiving the F signal and identifying the telephone number or ID of the caller; a memory 13 in which the telephone number or ID is stored by the caller's predetermined key operations; means 18.28a for providing identification;
28b.

29a and 29b are provided.

[Effect]

In the calling signal detection circuit 19, when a predetermined number of calling signals are detected, the transistor 6 is turned on, and accordingly, the switch 4a is turned on to enter a talking state. In this state, the message generation circuit 20 sends a message signal to the calling party to notify that the call has been automatically received. Only when the caller performs a predetermined key operation in accordance with the message and inputs a predetermined telephone number or ID, the memory of the selection signal generation circuit 13 enters the registration mode, and the data of the telephone number input by the caller enters the predetermined data. is stored in an area that can be immediately read out by the one-touch dial button 32 for call-back. At the same time, the caller is identified in the CPU 17 based on the stored data, and a display signal S5 is generated.
, 29b are lit and displayed in a form that the user can easily recognize.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the present invention. In FIG. 1, reference numerals 1a and 1b indicate input/output terminals connected to a telephone exchange and a telephone line (tone line or pulse line), etc. It is.

In addition, in FIG. 1, 2 and 3 indicate hook switches that are configured to be turned on mechanically in conjunction with each other, and a portion surrounded by a broken line indicated by 4 includes a switch 4a and a coil 4b. The relay is in inches.

One end of the hook switch 2 and one end of the switch 4a are connected to one input/output terminal 1a, and the ringer circuit 1
4 and a calling signal detection circuit 19 are connected, and the other input/output terminal 1b is grounded.

A ringing signal from the exchange is supplied to the ringer circuit 14 and the ringing signal detection circuit 19 regardless of the states of the hook switch 2 and the switch 4a. The ringer circuit 14 forms a speaker drive signal in response to a calling signal, and the speaker drive signal formed in the ringer circuit 14 is supplied to the speaker 15. Further, the calling signal detection circuit 19 detects the number of calls made by the calling signal and generates a control signal when the calls are made a predetermined number of times. One control signal formed in the calling signal detection circuit 19 is supplied to the base of the NPN transistor 6 whose emitter is grounded, and the other control signal is supplied to the message generation circuit 20.

The collector of the transistor 6 whose base is connected to the calling signal detection circuit 19 is connected to one end of a coil 4b constituting the relay switch 4, and the other end of the coil 4b is connected to the DC voltage source 5.

When a predetermined number of calls are made without the handset 12 being lifted, the transistor 6 is turned on by a control signal generated in the ring signal detection circuit 19. When the transistor 6 is turned on, a current from the DC voltage source 5 flows through the coil 4b, and the electromagnetic force generated in the coil 4b turns on the switch 4a to automatically receive a call, and the handset 12
Regardless of the state, a loop is formed and the call state is established.

The other end of the hook switch 2, one end of which is connected to the input/output terminal 1a, is connected to the other end of the switch 4a, and a communication circuit 11. Selection signal generation circuit 1 with memory function
3. DTMF (Double Tone Multi
-Frequency) detection circuit 16 and message generation circuit 20 are connected.

A handset 12 is connected to the telephone communication circuit 11, and when the handset 12 is lifted to make a call, the voice signal from the other party supplied through the telephone line is played back at the receiver, and the voice signal itself is The voice is converted into an electrical signal by the transmitter and sent to the other party via the communication circuit.

The selection signal generation circuit 13 having a memory function stores a telephone number input by a predetermined key operation in a predetermined area of the memory when the registration mode is set, and also stores a telephone number input by a predetermined key operation in a predetermined area of the memory, and also stores a telephone number input by a predetermined key operation in a predetermined area of the memory, and also stores a telephone number input by a predetermined key operation in a predetermined area of the memory. Generates a DTMF signal (or pulse signal). Selection signal generation circuit 13
DTMF signal (or pulse signal) generated in
is sent to the exchange.

The DTMF detection circuit 16 detects the DTM transmitted from the calling party.
It forms the data signal Sl corresponding to the F signal, and the D
Data signal S1 formed in TMF detection circuit 16
is supplied to the CPU 17.

The message generation circuit 20 starts its operation in response to a control signal from the calling signal detection circuit 19, and forms a message signal and a tone signal by voice synthesis or the like based on a control signal S4 from the CPU 17. Message generation circuit 20
The message signal and tone signal generated at is sent to the calling party.

One end of the hook switch 3 is connected to the other end of the hook switch 3, and when the hook switch 3 is on, the CPU 17 is in the normal mode, and when the hook switch 3 is off, the CPU 17 is in the automatic response mode. be done.

In the automatic response mode, the CPU 17 inputs data stored in the memory of the selection signal generation circuit 13 and D
The calling party is identified and determined based on the data generated in response to the calling party's key operations supplied from the TMF detection circuit 16. When the caller is identified as a predetermined caller, the selection signal generation circuit 13 is set to registration mode and the telephone number data from the DTMF detection circuit 16 is supplied to the memory of the selection signal generation circuit 13, and the caller is A display signal S5 is formed based on the identification result. The display signal S5 formed in the CPU 17 is supplied to the LED lighting circuit 18.

FIG. 2 is a plan view showing the appearance of a telephone device to which the present invention is applied. 21 in FIG. 2 indicates the entire telephone device. The telephone device 21 can be roughly divided into operation parts 22. It is composed of a hook part 25 and a handset 12.

The handset 12 has a receiver part 12a and a transmitter part 12b, and the handset 12 is connected to a main body consisting of an operating part 22 and a hook part 25 by a connecting cord 26, and is coupled to a communication circuit 11 inside the main body. There is.

A speaker 15 is attached to the inside of a hook portion 25 extending from the operating portion 22, and a sound emitting hole 27 is bored corresponding to the speaker 15. Also,
The hook portion 25 is formed with a recess in which the actuators of the hook switches 2 and 3 are disposed, and the handset 12 is placed in this recess in the state shown in FIG. 2 when not in use. Ru. In this state in which the handset 12 is placed in a predetermined position, the hook switches 2 and 3 are turned off and never turned on.

As shown in FIG. 2, various operating members are arranged in the operating section 22. As shown in FIG. Approximately % of the area 23 on one side of the top surface of the operation unit 22 has a "*" key, a "#" key, and "1" to "0" keys.
Twelve key buttons consisting of a numeric keypad "" are arranged as shown surrounded by a broken line 31. Further, in the area 23, three one-touch dial buttons used when returning a call are arranged as shown surrounded by a broken line 32, and buttons 33a to 33d for various functions are provided.
etc. are arranged.

The other approximately 2 area 24 on the top surface of the operation unit 22 includes 1 to 2 areas.
Two address cards 28a, 28b with 12 columns
is removably attached to a storage section made of a transparent member. In the 12 columns of the address cards 28a and 28b, different names, phone numbers, abbreviated numbers registered by the users, etc. are written. In addition, in the area 24, address cards 28a and 28b have l to
1 for identifying the caller in the form corresponding to column 12.
Two LEDs are arranged as shown surrounded by broken lines 29a and 29b, and 12 one-touch dial buttons are arranged shown surrounded by broken lines 30a and 30b.

The key button 31 is used for normal dialing and input operations. For example, the key button 31 is pressed when the handset 12 is lifted up (referred to as OFF HOOK, and the hook switches 2 and 3 are turned on). When the selected key is pressed, a DTMF signal (or pulse signal) corresponding to the pressed key is sequentially generated in the selection signal generating circuit 13, and this signal is sent to the exchange via the hook switch 2.

The button indicated by 33a is used for a specific call that can only be received over a tone line when the input/output terminals 1a, lb of the telephone device 21 are connected to a pulse line.

The button indicated by 33b is used when dialing a destination using an abbreviated number registered in advance by the user. When input, the selection signal generation circuit 13 automatically generates a DTMF signal (or pulse signal) corresponding to a predetermined telephone number corresponding to the abbreviated number, and sends this signal to the exchange.

The button indicated by 33c is used when dialing is performed with the handset 12 still placed (referred to as ON HOOK, with hook switches 2 and 3 turned off). For example, when the button 33c is pressed, the switch 4a is turned on, and the DTM signal from the selection signal generation circuit 13 is
The F signal (or pulse signal) can be sent.

The button indicated by 33d is used for communication during a call or when the user temporarily leaves the telephone device 21. For example, when the button 33d is pressed, the switch 4a is turned on, the call state is maintained regardless of the state of the hook switch 2, and the message generating circuit 20 sends out a tone signal indicating that the call is on hold.

The one-touch dial button 29 can be used to dial a predetermined telephone number without using the key buttons 31 (for example, 12 one-touch dial buttons 2
When one of the buttons 9a and 29b is pressed, the selection signal generation circuit 13 automatically generates a DTMF signal (or pulse signal) corresponding to the pre-registered telephone number corresponding to the pressed button. and this signal is sent to the exchange.

When making a normal telephone call using the telephone device 21, the telephone number is input using the key button 31 while the handset 12 is lifted and the hook switches 2 and 3 are turned on. When a telephone number is input, a DTMF signal (or pulse signal) corresponding to the telephone number is sequentially generated in the selection signal generating circuit 13, and this signal is sent to the exchange via the hook switch 2. The exchange operates in response to this DTMF signal, and a calling signal is sent from the exchange to the telephone device of the other party specified by the telephone number. When the other party picks up the handset and turns on the hook switch, the calling circuit 11 and the calling circuit of the caller's telephone device are connected via the exchange, forming a loop. In this state, voice signals can be exchanged via each other's communication circuits and handsets.

In addition, when receiving a call from an arbitrary caller, the exchange operates according to a DTMF signal from the caller, and the ringer circuit 14 and the ringer circuit 14 and the ringer signal detection circuit 19. ringer
In the circuit 14, a speaker drive signal is formed in response to the calling signal, and this speaker drive signal is supplied to the speaker 15. The speaker 15 is driven by this signal, and a call is made, for example, by an intermittent electronic bell sound.

When the handset 12 is lifted, hook switches 2 and 3 are turned on, a low level control signal S2 is supplied to the CPU 17, the CPU 17 is placed in the normal mode, and the communication circuit 11 and the caller are connected. The communication circuit of the telephone device is connected via the exchange to form a loop. In this state, voice signals can be exchanged via each other's communication circuits and handsets.

In addition, the handset 1
2 is not picked up and the handset 12 remains placed, the CPU 17 is in automatic answering mode, so the control signal from the ringing signal detection circuit 19 turns on the transistor 6 and automatically receives the call. , and is in a talking state.

At this time, a control signal is generated in the calling signal detection circuit 19, and the message generation circuit 20 starts operating based on this control signal. In the message generation circuit 20, CP
A predetermined response message is formed based on the control signal S4 from U17, and this message signal is sent to switch 4a.
is sent to the caller via

The caller performs a predetermined key operation in response to the response message, and the DTMF signal from the caller is detected by the DTMF detection circuit 16.
When the DTMF detection circuit 16
Data such as a telephone number or 10 is formed based on the MF signal. A data signal S1 formed in this DTMF detection circuit 16 is supplied to the CPU 17.

In CPtJ17, the calling party is identified and determined, and only when the telephone number or ID data registered by the user and the data from the DTMF detection circuit 16 match, the memory of the selection signal generation circuit 13 is set to the registration mode. The data of the telephone number generated by the caller's key operation is stored in a predetermined area of the memory, that is, an area that can be immediately read out using the one-touch dial button 32 for return calls. At this time, the telephone number data is sequentially stored in a predetermined area in a form corresponding to the three one-touch dial buttons 32 in the order in which calls are received.

At the same time, a display signal S5 is formed in the CPU 17 based on the caller identification result, and this display signal S5 is supplied to the LED lighting circuit 18. The LED lighting circuit 18 includes the address card 28 of the operation section 22 described above.
LED 29a arranged in a manner corresponding to columns a and 28b
, 29b are connected, and a lighting output formed based on the display signal S5 is supplied to predetermined LEDs 29a and 29b, so that the calling party is displayed by lighting.

Incidentally, when the user wants to return the call to the caller, one of the three one-touch dial buttons 32 for return calls is pressed.

For example, when the one-touch dial button 32 indicated by rlstJ is pressed, a DTMF signal corresponding to the telephone number of the first caller is automatically sent, and the caller is The corresponding one will blink. Similarly, r 2ndJ , r
When the one-touch dial button 32 indicated by 3rdJ is pressed, a DTMF signal corresponding to the telephone numbers of the second and third callers is automatically sent, and the corresponding one of the LEDs 29a and 29b for identification display is pressed. The one corresponding to the caller will blink.

The operation of one embodiment of the present invention will be described in more detail with reference to the flowchart of FIG.

When the exchange is operated by the DTMF signal from the calling party and a ringing signal is supplied via the input/output terminal 1a, the ringing signal is detected in the ringing signal detection circuit 19 (step 41). Then, the number of calls by the call signal is counted, and it is determined whether the number of calls has reached a predetermined number (step 42).

When the call is made a predetermined number of times, the switch 4a is turned on, the call is automatically received, a loop is formed, and the call is made (step 43).

Then, the message generation circuit 20 informs you that a call has been automatically received, for example, [This is OO.

If you have something to do, please key in your contact phone number before the beep sounds. ” is sent to the calling party (step 44).

When the response message is sent, the DTMF from the calling party
If a DTMF signal is received from the caller (step 45), the process goes to step 50.
Then, it is determined whether the caller has performed a predetermined key operation.

Furthermore, when a DTMF signal cannot be received immediately, a response message is repeatedly sent out a predetermined number of times. At this time, it is determined whether OFF HOOK has been made (step 46), and if it is 0FF HOOK, the automatic response mode is canceled (step 68), and the CP
U17 is placed in the normal mode, the sending of response messages is stopped, and the users can make normal calls (step 69).

Further, when the response message is sent out a predetermined number of times without being set as OFF HOOK (step 47), a beep sound is generated in the message generation circuit 20, and this beep sound (a tone signal of "beep") indicates that a call is being made. (Step 48).

Then, the switch 4a is turned off to be in a disconnected state (step 49).

When receiving a DTMF signal, first enter "#".
It is determined whether a key has been pressed (step 50)
. The "#" key is not pressed within the predetermined time (step 59
), a beep sound is sent out and the connection is interrupted (steps 48 and 49).

Also, during this time, OFF HOOK is performed (step 6
0), the automatic response mode is canceled and the normal mode is set (steps 68 and 69).

When the 1-#j main key is pressed, the CPU 17 enters a state in which it accepts a password for identifying the caller (step 51). Then, it is determined whether a password having a predetermined number of digits has been input (step 52). If a predetermined number of digits are not entered manually within a predetermined time (step 62), the message generation circuit 20 sends a confirmation message to the calling party, for example, "Please key in your PIN number." (step 62). 63). Also, during this period, OF
When F HOOK is received (step 60), the automatic response mode is canceled and the normal mode is set (step 68.6).
9).

If it is determined that a PIN number with a predetermined number of digits has been input, it is further determined whether the input PIN number is correct based on data stored in the memory of the selection signal generation circuit 13. (Step 53) If the PIN number is incorrect, the message generation circuit 20 sends a message such as ``Please key in the PIN number again.'' ” is sent to the caller (step 63), and if the key is operated again within a predetermined time (step 67), the process moves to step 50 and the same process is repeated. . At this time, if no key operation is performed within a predetermined time (step 65), a beep sound is sent and the connection is interrupted (steps 48 and 49).
If 0FFHOOK is made during this time (step 60), the automatic response mode is canceled and the normal mode is set (steps 68 and 69).

Ru.

If it is determined that the password is correct, a confirmation tone is generated in the message generation circuit 20, and this confirmation tone is sent to the calling party (step 54). And C
The PU 17 is set to receive a telephone number (step 5).
5) It is determined whether a telephone number has been input within a predetermined time (step 56). Within the specified time, a confirmation tone will be sent to the caller each time a number is entered,
When the input of the telephone number is completed and the "*" key is pressed (step 57), it is determined that the input of the telephone number has been completed.
The message generating circuit 20 sends a confirmation message to the calling party, for example, "Please key in your contact telephone number again." (Step 63).

Further, if the input of the telephone number is not completed within a predetermined time (step 56), the message generation circuit 20 sends, for example,
A confirmation message "Please key in again from the beginning" is sent to the caller (step 63), and if the key is operated again within a predetermined time (step 67), step The process moves to step 50 and similar processing is repeated. At this time, if no key operation is performed within a predetermined period of time (step 65), a beep sound is emitted and the connection is interrupted (steps 48 and 49).

Also, during this time, OFF HOOK is performed (step 6
0), the automatic response mode is canceled and the normal mode is set (steps 68 and 69).

A phone number is entered once, and then a phone number that matches the number entered in the previous operation is entered again within a predetermined period of time.
When the "Book" key is pressed (step 66), the memory of the selection signal generating circuit 13 is put into the registration mode, and the telephone number data from the caller is stored in a predetermined area that is immediately read out by the one-touch dial button 32 of the memory. be remembered (
Step 70), At this time, the telephone number data is input to the three one-touch dial buttons 3 in the order in which the call was received.
2 is sequentially stored in a predetermined area. Then, the caller is identified by the input telephone number or password, and based on the identification result, the CPU 17
A display signal S5 is formed. This display signal S5 is LED
The LED 2 is supplied to the lighting circuit 18 and is used for a predetermined identification display.
9a and 29b are lit (step 71), and
A beep is sent and the connection is interrupted (step 48).
．． 49).

In one embodiment of the present invention, address cards 28a and 28b and an LED 29 are used as caller identification display means.
A and 29b have been described, but other display means may be used. For example, a liquid crystal display panel may be used to display the caller's name and telephone number in characters.

Furthermore, in one embodiment of the present invention, a case has been described in which the caller inputs both a PIN number and a telephone number, but either one is used to identify the caller and store the telephone number. You can do it like this.

Further, in one embodiment of the present invention, a configuration has been described in which a call is returned using three one-touch dial buttons 32. A configuration may also be adopted in which a DTMF signal of a telephone number to be contacted is automatically sent.

〔Effect of the invention〕

In this invention, when a predetermined number of ringing signals are detected in the ringing signal detection circuit, the relay inch is turned on and the call is automatically received, the call is placed in a talking state, and in this state, the call is automatically received from the message generating circuit. A message signal informing the caller is sent to the caller.0 Only when the caller performs a predetermined key operation according to the message and inputs a predetermined telephone number or ID, the memory of the selection signal generation circuit enters the registration mode. The telephone number data entered by the caller is immediately read out and stored in the memory using a predetermined one-touch dial button for callback. Along with that,
Based on the stored data, the caller is identified and a predetermined LED is lit and displayed in a manner that is easily recognizable to the user.

Therefore, according to the present invention, it is possible to easily identify and display the caller of a caller who received a call while the user was away, without using any recording means, and by simply pressing the one-touch dial button. You can return the call to the caller.

Therefore, the telephone device to which the present invention is applied is not expensive and has improved usefulness and operability compared to conventional telephone devices.

[Brief explanation of the drawing]

Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a plan view showing the appearance of a telephone device to which this invention is applied, and Fig. 3 is a block diagram of an embodiment of the present invention.
The figure is a flowchart used to explain the operation of an embodiment of the present invention. Explanation of main symbols in the drawings 4: Relay switch for automatic reception. 16: D'l" MF detection circuit, 17: CPU. 18: LED lighting circuit, 19: Calling signal detection circuit. 20: Message generation circuit. 28a, 28b near Ftz scar-Ft 29a, 29b: for surface water LED. 32: One-touch dial button for return calls. Figure 1

Claims (1)

[Scope of Claims] Means for automatically receiving a call in response to a calling signal and sending a response message; means for receiving a DTMF signal from a caller and identifying the telephone number or ID of the caller; A telephone device comprising: a memory in which the telephone number or ID is stored in response to a predetermined key operation by a person; and means for displaying identification corresponding to the contents of the memory.