JPH0787176A - Communication terminal equipment and electronic telephone directory with it - Google Patents

Abstract

PURPOSE: To provide a portable communication terminal equipment capable of redialing and an electronic telephone book provided with it by automatically turning the communication terminal equipment to an on-hook state, calling and displaying the exchange number information of a communicating party for which communication is interrupted and performing the calling instruction operation or the like of an operator in the case that the communication is interrupted without an on-hook operation and a communication channel is disconnected. CONSTITUTION: Telephone number information is stored in a memory 12 and the stored telephone number information is called and displayed at a display device 1. The communicating party is called (call origination) by the called and displayed telephone number information and it is detected that the communication channel with the called communicating party is disconnected. At the time of detecting that the communication channel is disconnected, an arithmetic and logic unit(ALU) 13 performs an on-hook processing and thereafter, displays the called and displayed telephone number information at the display device 1. Further, an off-hook processing and a redialing processing by the displayed telephone number information are performed as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal device and an electronic telephone directory having the communication terminal device.

[0002]

2. Description of the Related Art In recent years, the development of communication technology and the high-density mounting technology of electric equipment have advanced, and the miniaturization of communication terminal equipment has been remarkably reduced.
Many terminal devices such as a palm-sized so-called mobile phone and a cordless phone of a weak power or a specific low power type are on the market. Further, a personal handy phone (hereinafter, abbreviated as PHP) such as a terminal carrying a digital cordless telephone that can make an external line directly between the handset units is being put to practical use.

[0003]

However, in these cordless telephones, there is a place or a shield that shields radio waves between a base unit (base station) and a handset that communicate with each other, or between handset units. There is a drawback that a call may be interrupted or a line may be disconnected because the electric field strength is canceled due to interference in a shadow or mutual interference of a plurality of radio waves. If the line is cut off, you have to go on-hook once, then go off-hook again, and then redial.Therefore, even if you have a redial function or a one-touch function, it is troublesome to make a call again. ing.

The present invention eliminates the above-mentioned drawbacks of the prior art and provides a communication terminal device and a telephone directory having the communication terminal device, which enables reconnection by a simple operation even when a call is interrupted or a line is disconnected.

[0005]

In order to solve this problem, the communication terminal device of the present invention has a detecting means for detecting that communication with a communication partner is interrupted, and an on-hook when detecting that communication is interrupted. On-hook processing means for performing processing and display means for displaying the telephone number information of the communication partner after waiting for the end of the on-hook processing are provided.

Here, the display means further comprises redial processing means for performing off-hook processing and redial processing based on the telephone number information after displaying the telephone number information. Further, the detection means gives an alarm when detecting a communication interruption, and when the communication interruption disappears within a predetermined time, it is regarded as communication recovery and the alarm is stopped to cause a communication interruption for a predetermined time or more. In the case where the communication is interrupted, a detection control means for stopping the alarm after issuing an alarm for a fixed time is included. Further, the display means displays an input prompting message as to whether or not to further redial, and if the operator selects to redial, performs off-hook processing and redial processing, and the operator selects not to redial. In this case, a redial processing means is further provided for clearing the message display and displaying the data before displaying the message data.

Also, the electronic telephone directory of the present invention includes storage means for storing telephone number information, means for reading out and displaying the telephone number information stored in the storage means, and the readout and displayed telephone number. Calling means for calling a communication partner with information, detection means for detecting that communication with the communication partner called by the calling means is interrupted, and on-hook processing for performing on-hook processing when the communication interruption is detected And means for displaying the telephone number information of the communication partner after the completion of the on-hook processing.

Here, the display means further comprises redial processing means for performing off-hook processing and redial processing based on the telephone number information after displaying the telephone number information. Further, the detection means gives an alarm when detecting a communication interruption, and when the communication interruption disappears within a predetermined time, it is regarded as communication recovery and the alarm is stopped to cause a communication interruption for a predetermined time or more. In the case where the communication is interrupted, a detection control means for stopping the alarm after issuing an alarm for a fixed time is included. Further, the display means displays an input prompting message as to whether or not to further redial, and if the operator selects to redial, performs off-hook processing and redial processing, and the operator selects not to redial. In this case, a redial processing means is further provided for clearing the message display and displaying the data before displaying the message data.

[0009]

1 is an external view of an electronic telephone directory with a digital cordless telephone function according to this embodiment. Although the present embodiment is described based on the electronic telephone directory, the present invention is not limited to this, and the technique of the present invention can be applied to various communication terminal devices.

Reference numeral 13 denotes a display unit, and a keyboard portion includes a YES key 2-1 and a NO key 2-2. 3'is microphone 3
(Sez in the drawing), 4 is an earphone, 5 is an earphone storage switch and an on-hook switch, 6 is a main body of an electronic telephone directory with a communication terminal function (hereinafter abbreviated as a terminal main body), and 7 is a built-in antenna 8 (series in the drawing). The lid portion 9 of the main body 6 is a lid for the storage portion of the earphone 4, and a switch is operated in conjunction with the operation of opening the earphone 4 and pulling out the earphone 4, so that an off-hook operation process is performed.

In this structure, for example, the cord of the earphone 4 is wound around a reel and is stored and pulled out to rotate the cord reel, and in conjunction with this, the spring is wound and wrung out. The switch may be turned on by a protrusion provided on the gear that rotates by a predetermined angle at the number of rotations due to gear down when the cord of the earphone 4 is pulled out after a predetermined number of rotations.

Further, the ratchet, which is prevented from being reversed by the spiral spring on which the cord reel is wound, is released in association with the on-hook switch 5, and the cord of the earphone 4 is wound and stored in the main body 6.

FIG. 2 is a block diagram showing the circuit configuration of the terminal body.

Reference numeral 10 denotes a one-chip microcomputer (abbreviated as "microcomputer") which controls the functions of the electronic telephone directory and the digital cordless telephone. For example, the data stored in the data memory 12 including the RAM by the program stored in the ROM 11 is sent to the arithmetic logic unit (ALU) 13 via the data bus 17, the arithmetic processing is executed, and the result is sent to the data bus. RAM through 17
12 or re-store the data in the RAM 12 or send the telephone number or name data stored in the RAM 12 to the display decoder / driver 15 to drive the display 1 and display the data.

Also, when an output is made to the keyboard 2 via the I / O port 14 and one of the key switches on the keyboard 2 is operated, the I / O port 1
The signal is taken in from 4 and is transferred to R via the data bus 17.
The data is stored in the AM 12 and decrypted, and the processing corresponding to each key is executed according to the processing procedure of the ROM 11.

In the digital cordless telephone function block 20, the signal received from the antenna 8 is transmitted to the radio circuit 2
At 1, the carrier is extracted from the carrier, demodulated by the modem of the baseband circuit 22 into a digital signal, and P
The voice code signal is converted into a voice signal by the CM codec circuit 23, and the voice signal output from the earphone 4 or the voice signal input from the microphone (MIC) 3 is inversely coded by the circuit 23 and modulated by the circuit 22. At 21, the carrier is placed (modulated), power is amplified, and the antenna 8
Sent as radio waves.

The microcomputer 10 stores the ID code data stored in the ROM 11 and the telephone number data of the called station stored in the RAM 12 into the terminal control I / O port 1.
6, the data received by the telephone function block 20 is stored in the RAM 12 through the I / O port 16, and the ID code is discriminated and the calling station is confirmed. Through the O port 16, various control such as control of communication protocol is performed by the telephone function block 20 of the telephone.
To go to.

In addition, when communication (call) is interrupted or a signal is distorted (communication is disturbed), I /
It is loaded into the microcomputer 10 through the O port 16 and monitored, and program processing as described later is performed.

These compare a carrier level signal from a detection block (SEZ in the figure) provided in the radio circuit 21 with a reference voltage and a comparator (SEZ in the figure), and output the output from the microcomputer 10 via the I / O port 16. Of the digital signal received through the I / O port 16 to determine whether the communication is interrupted or not, that is, whether the data comes off in the order determined by the communication protocol, that is, the extra signal is lost. The microcomputer 10 discriminates whether or not the data cannot be read, and sees the communication disorder. (Embodiment 1) FIG. 3 is a flow chart for explaining the processing procedure of the embodiment 1. The program according to the flowchart shown in FIG. 3 is stored in the ROM 11.

In step S1, it is determined whether communication has been interrupted. If No, the process proceeds to step S2, the timer counter described later is reset, the process returns to step S1, and the interruption of communication is monitored.

If the communication is interrupted, step S1 returns Yes.
When s is reached, a timer counter (which may be provided on the RAM 13 in FIG. 2,
A process of incrementing the count of (see figure) is performed, and it is determined in step S4 whether or not the communication is cut off for a predetermined time. If No, the process returns to step S1,
In a loop of step S1 → step S3 → step S4, it is measured whether or not it has been cut off for a predetermined time.

If the predetermined time has elapsed and the result in step S4 is Yes, then on-hook operation processing is performed in step S5, and then in step S6, redial number information stored in the RAM 12 (shown in the figure), that is, communication is performed. The telephone number information of the called station is displayed on the call display 1, and a timer processing routine is created in a loop from step S7 to step S8 in order to create a standby state for about 1 to 2 seconds. After a lapse of time (Yes in step S8), an off-hook operation process is performed in step S9, and a call origination process, that is, a redial operation process is performed in step S10, and the process ends.

(Embodiment 2) FIG. 4 is a diagram showing a processing flow for displaying a message asking whether to redial or not, and displaying a redial number after ON hook processing when communication is interrupted for a certain period of time. Note that the program according to the flowchart shown in FIG.
It is stored in.

In FIG. 4, in addition to the first embodiment, an alarm process is added to step S5 so as to issue an alarm when communication is interrupted. After the alarm is issued for a certain period of time, the alarm is stopped in step S6 and the on-hook process is performed. Then, the data being displayed is temporarily stored in the RAM 12 in step S7, and the redial number information is called from the RAM 12 and the message data is called from the ROM 11 to be combined. And sends it to the display decoder / driver 15 to display it on the display 1 as shown in FIG.

Then, in step S8, the Y key (Yes) is pressed.
It is determined whether 2-1 is pressed or the N key (No) 2-2 is pressed. If No, the message display is cleared in step S11 and before the message data is displayed in step S12. The data is recalled and displayed from the RAM 12, and the processing flow ends. On the other hand, if Yes, the off-hook process (step S9) is performed, the calling process (step S10) is performed, and the process flow ends.

The present invention may be applied to a system composed of a plurality of devices or an apparatus composed of a single device. Further, it goes without saying that the present invention can be applied to the case where it is achieved by supplying a program to a system or an apparatus.

[0027]

According to the present invention, there is provided a communication terminal device capable of reconnecting by a simple operation even when a call is interrupted or a line is disconnected, and an electronic telephone directory having the communication terminal device.

In other words, even if the communication is interrupted on the way, it can be automatically set so that it can be redialed. Therefore, the operation such as on-hook / off-hook is not troublesome and it is convenient. In particular, when a digital cordless telephone function is added to an electronic device such as an electronic phone book, the exterior design often takes the form of this embodiment, which makes the best use of the functions of the electronic phone book. Many people cannot quickly press on-hook or off-hook switches (due to the hassle of finding a key and the difficulty of pressing because there are too many keys on the limited keyboard surface, etc.). It is possible to make the device easy to use because it is free from the troublesome operation.

[Brief description of drawings]

FIG. 1 is an external view of an electronic telephone directory with a digital cordless telephone function embodying the present invention.

FIG. 2 is a diagram showing a circuit configuration of this embodiment.

FIG. 3 is a flowchart showing an example of a processing procedure of the present embodiment.

FIG. 4 is a flowchart showing a processing procedure of another embodiment.

FIG. 5 is a diagram illustrating a message display example.

[Explanation of symbols]

 1 Display 2 Keyboard Part 3 Buzzer 4 Earphone 5 Earphone Storage Switch / On-hook Switch 6 Electronic Phonebook Main Body with Communication Terminal Function 7 Main Body Cover with Display 8 Antenna 9 Earphone Storage Cover 10 1 Chip Microcomputer 11 ROM 12 RAM 13 ALU 14 I / O Port 15 Display Decoder / Driver 16 Terminal Control I / O Port 17 Data Bus 20 Digital Cordless Telephone Function 21 Radio Circuit 22 Baseband Circuit 23 PCM Codec Circuit

Claims (8)

[Claims] 1. A detection means for detecting that communication with a communication partner is interrupted, an on-hook processing means for performing on-hook processing when the communication is interrupted, and an end of the on-hook processing to wait for completion of the on-hook processing. A communication terminal device, comprising: a display unit for displaying telephone number information. 2. The communication terminal according to claim 1, further comprising redial processing means for performing off-hook processing and redial processing based on the telephone number information after the display means displays the telephone number information. apparatus. 3. The detecting means issues an alarm when detecting a communication interruption, and when the communication interruption disappears within a predetermined time, it is considered as communication recovery and the alarm is stopped, and the communication is continued for a predetermined time or more. 2. The communication terminal device according to claim 1, further comprising a detection control unit that determines that communication is interrupted when an interruption occurs and issues an alarm for a predetermined time and then stops the alarm. 4. The display means displays an input prompting message as to whether or not to further redial, and if the operator selects to redial, performs off-hook processing and redial processing, and if the operator does not redial. The communication terminal device according to claim 1, further comprising redial processing means for clearing the message display when the selection is made and displaying data before displaying the message data. 5. A storage unit for storing telephone number information, a unit for reading and displaying the telephone number information stored in the storage unit, and a call for calling a communication partner with the read and displayed telephone number information. Means, detecting means for detecting that communication with the communication partner called by the calling means is interrupted, on-hook processing means for performing on-hook processing when communication interruption is detected, and termination of on-hook processing. An electronic telephone directory, further comprising display means for displaying the telephone number information of the communication partner. 6. The electronic telephone according to claim 5, further comprising redial processing means for performing off-hook processing and redial processing based on the telephone number information after the display means displays the telephone number information. Book. 7. The detecting means issues an alarm when detecting a communication interruption, and when the communication interruption disappears within a predetermined time, considers it as communication recovery and stops the alarm, and the communication of the communication for a predetermined time or more is stopped. 6. The electronic telephone directory according to claim 5, further comprising detection control means for judging that the communication is interrupted when the interruption occurs and issuing the alarm for a certain period of time and thereafter stopping the alarm. 8. The display means displays an input prompting message as to whether or not to further redial, and if the operator selects to redial, performs off-hook processing and redial processing, and if the operator does not redial. 6. The electronic telephone directory according to claim 5, further comprising redial processing means for clearing the message display when the selection is made and displaying the data before displaying the message data.