JPS60103760A - Telephone set - Google Patents

Abstract

PURPOSE:To operate a telephone set easily by displaying sequentially the group of data such as the name and the telephone number having the same main character out of the data which register the main character such as capital letters of a person's name or a company's name. CONSTITUTION:An inputting device 4 is composed of a function which selects the character group divided into groups, a function which designates one character in the selected group, and a dial key 2 having the function which gives a dial number and a function selecting key 3 which selects the required function from the function added to a telephone set 1. An electron storage unit 5 sotres data of a person's name, a company's name, a telephone number or a shortened number which are inputted from a key 2 through a CPU7, and inputs the capital letter of a name from the key 2, and therefore, a display 6 displays sequentially the name, the telephone number, etc., with the same capital letter, which are displayed in the unit 5. When the required name is displayed, the telephone number is sent out through a dial 9 by dialling the telephone number by the key 2, and a calling is executing by a transmitter/receiver 10.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a telephone set, and more specifically, it involves manually inputting the main letters such as the initials of the name of a person, corporation, etc., including an abbreviation or common name. The present invention relates to a telephone set having a function of sequentially displaying person's or corporate names, telephone numbers, abbreviated numbers, etc. having the same main characters as above from among already registered data.

(Prior art) Generally speaking, making a phone call means talking to a specific person.
Dial a unique phone number to call the other party's phone and talk to a specific person. At this time, the caller must convert the other party's name into a telephone number (abbreviated number). This conversion can be done easily in the caller's head when the caller remembers the other party's phone number, or if the caller does not remember the other party's phone number, it is difficult for the caller to do so. There is the inconvenience of having to dial while referring to the other party's phone number in your phone number memo or phone number directory.

In order to eliminate this inconvenience, conventional methods have been used in which the telephone numbers of the main parties to whom calls are made are stored in advance in a storage device, and by pressing the pushbutton corresponding to the party to be called. There are also telephones in use that are capable of calling the telephone number of the other party, and telephones that have an abbreviated dialing function that calls the telephone of the desired party by dialing a preset abbreviated number.

When using a push button to call the other party's phone, the name of the other party corresponding to the push button can be written on or near the push button, but due to restrictions such as the size of the telephone, the number of push buttons is limited. It is difficult to increase the number of telephones, and the number of parties that can be called by the push button is limited.

Furthermore, in devices that use abbreviated numbers, it is difficult to write the abbreviated numbers and their corresponding names directly on the telephone, and a separate reference table must be prepared.

(Purpose of the Invention) The present invention was made to solve the above-mentioned problems in conventional telephones. Names with the same main character from among the data registered by inputting.

The purpose is to sequentially display groups of data such as telephone numbers, abbreviated numbers, etc., and to facilitate operations necessary for using the telephone.

Another object of the present invention is to register the main characters such as the initials of a person's name or the name of a corporation, including an abbreviation or common name, and then select the same main characters from the existing data. Data groups such as names, telephone numbers, and abbreviated numbers with The purpose is to display the telephone number registered in the device or its abbreviated number, thereby simplifying the operation of making a telephone call.

(Structure of the Invention) Therefore, the present invention provides a character group selection function for selecting character groups arbitrarily grouped in advance, a character specification function for specifying the sentence γ from among the selected character groups, and a dial number function. The telephone is equipped with an input device consisting of a dial key (having a number of functions) and a defeat selection key for selecting a desired function from a plurality of functions provided on the telephone. - an electronic storage unit for storing data, and a display device for displaying data input from the human-powered device or data stored in the electronic storage unit, and a person's name or corporation including an abbreviation or common name from the human-powered device; By manually inputting the main characters such as the page characters of the name, etc., the name of a person or corporation that has the same main characters as the characters of the article in the "-" manually input from the data already registered in the electronic storage unit. 2. A medium heat processing device that executes a series of programs to sequentially display groups of data such as names, telephone numbers or abbreviated numbers on a display device, and 2. A program storage unit that stores a series of programs. The first characteristic is that it is prepared.

Another feature of the present invention is a character group selection function that selects a character group that has been grouped in advance according to the address of the person living in the home, a character designation function that designates one character from a selected character group, and a dial number function. The telephone is equipped with a manual input device consisting of a dial key (having a number of functions) and a function selection key for selecting a desired function from a plurality of functions given to the telephone, while storing data input manually from this input device. an electronic storage unit 1; a display device that displays data input manually from the input device or data stored in the electronic storage unit 1d; By entering the main letters such as the initials of the name, etc.
” 2. Groups of data such as names of persons or corporate names, telephone numbers or abbreviated numbers having the same main sentence q: as the above-mentioned characters entered from among the data already registered in the electronic storage unit 1. A central processing unit that executes a series of programs that are sequentially displayed on the display device and that transmits the displayed telephone number to the communication line by a call operation, and a program storage unit that stores the series of programs described above. That's true.

(Example) Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

A block diagram of an embodiment of a telephone according to the present invention is shown in FIG.

In Fig. 1, 1 is the telephone body, 2 is a dial key,
3 is a function selection key; 4 is a keyboard as an input device comprising these dial keys 2 and function selection keys 3; 5
is an electronic storage unit, is a display device, 7 is a central processing unit (hereinafter abbreviated as CP LJ), and 7a is a time a
Eye I11 device, 7bli sound device, 8 is this CF'U'
7 is a read-only memory (hereinafter abbreviated as ROM) as a program storage unit for storing programs to be executed; 9 is a dialer; 10 is a handset;
1.), 11 are communication lines, and FIG. 2 shows a schematic plan view of the telephone shown in FIG.

The above dial number is as explained below.
A character group selection function that selects a character group that has been arbitrarily grouped in advance, a character specification function that specifies one character from the selected character group, and a dial that gives a dial number (has three functions. ing.

That is, in this embodiment, ゛ is, for example, 1 A J to U J
Figure 3 shows the 50 syllables of ``Dakuten'', ``Handakuten'', and spaces, as shown in Figure 3.

. . , grouped into W rows, and divided each of these rows into five columns from the 1st column to the 5th column, and the A rows.

Power running, ..., Ya running are 1'2J and 1'3 on each side.
J,..., 1-8 dial keys labeled 2-2, 2-3°..., 2-! ), also 1-
Wan J, ) N J, voiced mark, semi-voiced mark, and space j are selected using the dial key 2-0 with 1-(month) written on the top surface.

Each of the above dial keys 2 has numbers [(
Month, Ill, r2J, . . . , 1-9J also has a dialing function that gives dialing numbers corresponding to the one-digit numbers of the telephone dialing number.

-7 The function selection key 3 is a key for selecting a desired function from a plurality of functions provided on the telephone body 1. In this embodiment, the function selection keys 3 are, as shown in FIG. 2, 21. *key 229 character/number selection key 239 next search key 24. It consists of a correction key 25, a registration/correction mode selection switch 26, a time/schedule manual selection switch 27, and the like.

The electronic storage unit 5 is a memory for storing data such as names such as personal names or corporate names, telephone numbers or abbreviated numbers entered manually through the CPU 7 using the "2" dial key 2 of the input device 4.

The CPU 7 manually enters the first letter of a name such as a person's name or a corporate name using the dial key 2 of the input device 4, and inputs the data already registered in the electronic storage unit 5 using the murmur dial key 2. The name of a person or corporation, etc. that has the same initial letter as the first letter of ``2.
The telephone numbers or abbreviated numbers are sequentially displayed on the display device 6. Further, as will be explained later, when the # key 21 is pressed in the name call mode, the telephone number displayed on the display device 6 is converted into a dial pulse by the dialer 9 and sent to the communication line 1j.

The programs for this series of operating modes of the CPU 7 are written in the ROM 48 together with programs for other operating modes.

It is preferable to use a dot matrix type liquid crystal display device as the display device 6, taking into account the power consumption, the type of characters to be displayed, etc.

Further, at the lower part of the display device G, as shown in FIG. 2, a key display is preferably provided which represents a key corresponding to each line of character groups of the 5 (] sound.

Next, the operation of the telephone shown in FIG. 1 will be specifically explained with reference to chart 70.

As shown in the flowchart of FIG. 4, after the start of step 400, the CPU 7 of the telephone sets the
01 is executed, and unless there is an input from the kill board 4, the year/month 1] and time are displayed on the display device 6 as shown in FIG.

The CF'U7 also executes a loop of steps 402 and 403 at the same time as displaying the date and time, and constantly checks whether there is any input from the keyboard 4.

1 Calling mode by name 1 Now, in the condition 2, the name of the person you are calling is, for example, Abe Chiyamada, and the phone number is 06-111-
2222 and the abbreviated number (assuming it is the month).At this point, if you do not remember the caller's M11 number or telephone number, you will need to enter the second number in order to make a call using the name 11η.
When the # key 21 in the figure is pressed, the CI] U7 executes steps 402 to 405 and step 412 in FIG. 4, the telephone in FIG.
As shown in Figure 5 (1), there is a name dial (
Name Dial) is displayed.

Thereafter, the CPU 7 executes steps 601 to 617 of chart 70 shown in FIG.

First, in step 601 of FIG. 6, in order to select the initial letter of 111 bold part J to call from among the 50 syllables, press the dial key in the y line with ``9'' written on the top. 2-
When 9 is pressed, the CPU 7 determines whether or not it is a line designation input in step 602, and in step 6()3, the display device 6
As shown in FIG. 5, one line of ``Yayuyo'' is displayed.

Of the "Yayuyo" displayed on the display device 6, the above initials "
The numbers on the key display 12 located under "Y" are 1-11.
In step 6 () 4, this number 11"
Press the dial key 2-1 written on the second side.
After executing steps GO5, 606 and 607, the CPUt executes step G (J8.G()9 and 610, from among the data written to the electronic storage unit 5, the first letter is ``1''). Search for a person's name, corporate name (including abbreviations, common names, etc.), etc., and step 61
At step 1, the first name, telephone number, and abbreviated number found are displayed on the display device 6.

If the displayed content differs from the above data, if the * key 22 is pressed in step 612, the CPU 7 returns to steps 608 and 609 from step 6] 3.61-1 and step 615. and 61
Returning to the loop of 0, the next search is performed, and the next found data is displayed on the display device 6. Thereafter, by pressing the * key 22, the CPU 7 repeats the above steps and executes
1. The data written in the electronic storage unit 5 and having the initial letter "Y" are displayed one after another.

As shown in FIG. 5(d), on the display device 6, when the data of the above-mentioned "Yamada Abe" is displayed, if you press #A-21, C1? U7 executes step 16 of FIG. 6, causes dialer 9 to output a dial pulse corresponding to telephone number 06-]1]-2222 to communication line 11, and can automatically call the other party. The call time after the call is displayed on the display device 6 as shown in FIG. 5(e).

Note that if the data for "Yamada Abe" is not found in the above search, CF'U7 determines whether the file has ended in step 609, and in step 617, the data of "Yamada Abe" is not found.
), after displaying ``〃Itunashi'' on the display device 6 for a predetermined period of time, the step shown in FIG.

Return to the start of Step 400.

[Registration Mode 1] When registering the name of a person or corporation, its telephone number, and abbreviated number in the electronic storage unit 5, set the registration/correction mode selection switch 2G in Figure 1iS2 to the registration mode, and set the display device 6 to the registration mode. The display shown in FIG. 5 (11) will be obtained.

In this registration mode, 'ζ et al. [As in the case of calling mode 1 by name 111j, use the dial key 2 to specify one line from the 7th line to the wa line, and enter the 5-character string for the specified line. One character is selected by pressing one of the dial keys 2 corresponding to the character, and this character is displayed on the display device 6. In addition, in the case of a space that sounds like a dakucho or a half-voiced sound, after pressing the necessary dial key 2-(), press the dial key 2-3 to 2.
Just press -5 (this operation is common to all operation modes)
.

This operation is performed at step 400 in the flowchart of FIG.
406, 413, and a loop from steps 701 to 711 in the 70-chart of FIG.

When the above operations are repeated to enter the name manually and the # key 21 is pressed, the CPU 7 determines whether or not the name entry has been completed in step 709 of FIG. Search the empty memory of C and temporarily write the manually entered name 1iii to the buffer memory.
In step 713, the PU 7 causes the display device 6 to display the shortened code corresponding to the free memory. Now you can enter the telephone number manually, and when you enter the telephone number using the dial key 2 in step 7]4 of Fig. 7, the CP
Ll 7 executes steps 714 to 721 [in FIG. The name and telephone number data stored in the memory (Ba. 2 primary memory) are transferred to the empty memory in the electronic storage unit 5.

[Correction mode] To correct data already written in the electronic storage unit 5, set the registration/correction mode selection switch 26 in FIG.
) will be displayed.

In this correction mode, the CPU 7 performs step 4 (17,=i14) from step 400 of FIG. 4 and step 8 (+1 to 811) of FIG. Execute steps 1 to 611, and use dial key 2 to select one of the rows from row 7 to wa.
After specifying a line, press one of the dial keys 2 that corresponds to the 5-character string for the specified line to specify an initial letter, and the name of a person or corporation that has the same initial letter as the specified initial letter will be displayed. The name of 8 Kasa is searched from the data file written in the electronic memory 2nia 15, and the data is displayed on the display device 6.
to be displayed.

When the # key 21 is pressed when the data displayed on the display device 6 is corrected data, the CPU 7 executes step 812.8 in FIG. 8(a)]3. i; 14 and Figure 8 (1)
) steps 821 to 823 are executed. When a new telephone number is input using the dial key 2 in step 824, the CPU 7 executes step 825, changes the data stored in the electronic storage unit 5, and then executes the process shown in FIG.
The process returns to step 801.

On the other hand, in step 17 of FIG. 8(a), the correction key 25
When you press , the CPU 7 executes step iJ2 in FIG. 8 (1).
], 82G is executed, step 11, all the data displayed on the display device 6 is cleared, and the address where the above data was written in the electronic memory unit 5 is made vacant.

] Short line transmission mode ] If the data is registered in the electronic storage unit 5 and the caller knows the abbreviated number, when the * key 22 in FIG. 2 is pressed, the CPU 7 executes step 40 o in FIG. 4. from 4
+)4,411 is executed, and the display on the display device 6 is shown in FIG.
e). Next, step 901 in FIG.
When the first digit of the two-digit abbreviated number is entered manually using the dial key 2, steps 902 and 903 are executed until CP [1'71 is reached, and the display device 6 displays the received (;I digit (entered) abbreviated number). Display the first digit of .

Thereafter, when the second digit of the abbreviated number is pressed in step 90.1, the CPU 7 executes steps 905+90b and 5-07, and stores data in the data file stored in the electronic storage unit 5. From step 1] () 4, search for data that matches the short number 11 entered manually and display it on the display device 6. In addition, the phone number displayed on the display device 6 A corresponding dial pulse is sent to the communication line 11.

1 Call time calculation mode 1 The call time is calculated and displayed using [name i) call mode], [shortened call mode 1 and step 400 in Fig. 4 4 +, + 914-16 + 10th] Figure 7
o--by executing steps 1001 to 1005 of the chart [carried out in any case of telephone number origination mode 1, CF' Ll '7 is carried out by executing steps 1001 to 1005 of FIG.
In step 8, it is determined whether the other party has responded or not, and from the time when the other party has responded, steps 1()09 to 101 in FIG.
3 is executed, the call time is displayed as shown in FIG. 5(e), and a warning for a long call is issued.

The CPU 7 determines whether or not the call has ended in step 1/I of FIG. return.

On the other hand, if the other party does not respond, CPU '7
At step 1008 in FIG. 0, it is determined whether the preset ringing time has elapsed or whether the caller has made a call or received a call (after 10 seconds), and the process returns to the start.

In addition, in the flowchart of Fig. 10, step 1
o OG and I Of, l 7 represent the outgoing call and dial pulse sending in the [name 111j outgoing mode] or] abbreviated outgoing mode 1.

[Time input mode 1] When the time/schedule input selection switch 27 is switched to the time input mode, the display on the display device 6 becomes as shown in FIG. If you input 1 hour, minute, and second of ``Year Month 1'', 40U, 4] 5 from Step 7 400 of 70-Chart in Figure 4.
．． 70 in FIG. 11 - Step l 1 (11
1108, the binary year, month, day, 1 hour, minute, and second can be manually calculated.

[Operating mode of the pond ゛1 The operating mode of the pond is Step 4 (10 to 11.'l f-1, = 1.]°7 of the flowchart in Fig. 4.
．． This can also be done using a scheduled program (not shown). For example, when making a schedule reservation,
When the schedule manual selection switch 27 is set to the reservation mode, the display on the display device 6 becomes as shown in FIG. 5(k), and the second
Repeat the letter/late T selection key 23 in the figure to select the year J1El.
After entering the hour, minute, and second manually, you can make a reservation by entering the message number. In that case...
A step for determining whether or not there is a reservation is provided between steps 401 and 402 in Figure 1, and if there is a reservation, C
After the P[17 generates a warning sound to a user (not shown), etc., the content thereof is displayed on the display device 6 as shown in FIG. 5 (TI,).

It is also possible for the CPU 7 to return to the start of step 400 when this message is confirmed or after a certain period of time has elapsed.

A call can also be made by pressing the dial keys 2 according to the telephone number [in normal mode 1, a display as shown in FIG. 5(1) is displayed on the display device 6 in the order in which the dial keys 2 are pressed.

In the embodiment described above, 50
Instead of sounds, alphabets are grouped into 9 rows x 3 columns, as shown in FIG. It may be made to correspond to the dial key 2-9 written as 1-91. In this way, for example, when the dial key 2-2 with "12" written on the top surface is pressed, a display as shown in FIG. 13 can be displayed.

In addition, other alphabets can be used instead of the alphabet according to the language of the person using the telephone, and the groups can be arbitrarily divided.

Furthermore, in the above embodiment, the name input from the dial key 2 is not limited to the official name, but may also be an abbreviation or common name. Alternatively, it is also possible to search using more than one main character.

(Effects of the Invention) As is clear from the detailed description above, the present invention allows a telephone to search and display necessary data from pre-registered data, making it easier to use the telephone. The various operations involved become very easy.

In addition, the present invention provides a method for searching for necessary data from among pre-registered data and transmitting Guyarvals corresponding to the data to the communication line by making a call. It is possible to call the person to be called without having to check the number memo or telephone directory, and the process of making a telephone call can be greatly simplified.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of a telephone according to the present invention;
Figure 2 is a plan view of the telephone with the configuration shown in Figure 1, Figure 3 is an explanatory diagram of the grouping of the 50 sounds from "A" to 1-N], and Figure 4 is the operation of the telephone shown in Figure 1. Display on Mo 7
o-chart, FIG. 5(a) to FIG. 500) are explanatory views of the display of the display device in the correction mode, and
Figure 7 is a flowchart of call mode by name, Figure 7 is a flowchart of registration mode, Figures 8(a) and 8.
Figure (b) is a flowchart of the correction mode, Figure 19 is a flowchart of abbreviated dialing mode, Figure 10 is a flowchart of dial dialing mode, Figure 114 is a flowchart of time input mode, and Figure tPJ12 is an example of alphabet grouping. An explanatory diagram, FIG. 13, is an explanatory diagram showing an example of display when one row of alphabets divided into groups is selected. 1...Telephone body, 2...Dial key, 3...Function selection key, 4...Keyboard, 5...Electronic storage unit , 6...
...Display device, 7...CPU, 8...
・ROM, 9...Dialer, 10...
・Handset, . 11...Communication line, 12...Key display, -21...# key, 22...*key, 23...Character/ Number selection key, 24...
...Next search key, 25...Correction key, 26.
...Registration/correction mode selection switch, 27...
...Time/Suganoyuru person selection switch. Patent Applicant: Sharp Co., Ltd. Agent: Patent Attorney: Two people: Figure 1, Figure 3, Figure 2, Figure 4, Figure 8 (b), Figure 9, Text, Figure 10, Figure 11.

Claims (1)

[Claims] (1) A character group selection function that selects a character group that has been arbitrarily grouped in advance, a character designation function that designates one character from the selected character group, and a dial function that provides a dial number. The telephone is equipped with a human-powered device consisting of a dial key and a function selection key for selecting a desired function from a plurality of functions given to the telephone, and an electronic storage unit for storing data inputted from this input device; A display device that displays data input from the device or data stored in the electronic storage unit, and a main character such as the initial of the name of a person or corporate name, including an abbreviation or common name, is input from the input device. By doing so, groups of data such as names of persons or corporate names, telephone numbers or abbreviated numbers having the same main characters as the main characters inputted from among the data already registered in the electronic storage unit are displayed in sequence. 1. A telephone set comprising: a central processing unit that executes a series of programs to be displayed on the device; and a program storage unit that stores the series of programs. (2) A character group selection function that selects a character group that has been arbitrarily grouped in advance, a character designation function that designates one character from the selected character group (a dial key that has a dial function that gives a number and a dial number) ,
The telephone has an input device consisting of a function selection key for selecting a desired function from a plurality of functions given to the telephone, and an electronic storage unit for storing data input from this human-powered device. , the data input from the above input device.
a display device that displays the data stored in the electronic storage unit, and a display device that displays the data stored in the electronic storage unit; , Display groups of data such as names of persons or corporate names, telephone numbers or abbreviated numbers, etc., which have the same main characters as the main characters inputted from among the data already registered in the electronic entry unique unit, in sequence. It is characterized by comprising a central processing unit that executes a series of programs that are displayed on the device and that transmits the displayed telephone number to a communication line by a call operation, and a program storage unit that stores the series of programs. (3) The telephone according to claim 2, characterized in that the display device is a dot matrix. (4) It is possible to make calls even when the handset is turned off. The telephone according to claim 2 or 3, characterized in that the response of the other party is confirmed through the speaker. Claims 2 to 4 characterized in that
A telephone according to any one of paragraphs. (6) The telephone set according to any one of claims 2 to 5, characterized in that it includes a connector for connecting a usable auxiliary device. (7) The associated send key is operated to send the telephone number to the communication line or the name ii? displayed on the display device? Claims 2 to 6 include a device that sends a telephone number corresponding to j or a telephone number displayed on a display device to a communication line and automatically calls the other party. − The telephone set forth in . (8) The central processing unit lists the data stored in the electronic storage unit according to established rules,
The telephone according to any one of claims 2 to 7 is characterized in that a search by category is displayed on the screen. (9) A series of programs written by the central processing unit are programmed to create a data file containing names and phone numbers, including abbreviations or common names, in a predetermined order by the central processing unit, and the data is pressed by an appropriate key. The telephone number is automatically displayed on the display device in a predetermined order, and the telephone number is transmitted onto the telephone line, and this transmission is performed by pressing the relevant key. Any one of claims 111I, paragraphs 2 to 8,
(10) The telephone described in (10) includes a wireless communication, transmission, and reception system in its fixed part and handset, and is characterized in that the handset is separated from the connection cord and telephone calls are made separately from the telephone device. A telephone according to any one of claims 2 to 9. (11) The above-mentioned central processing unit searches for the data stored in the memory (by manually inputting part or all of the data from the keyboard', etc.) from among the data files listed in Search for a file with the same data sequence as the data entered, display it on the display device,
11. The telephone set according to claim 10, wherein the displayed telephone number is transmitted to a telephone line by pressing a related key. (12) Claims 2 to 1 of the present invention are characterized in that by storing the last called number, automatic re-calling of a telephone number used for multiple calls thereafter is performed.
The telephone according to any one of item 1. (13) A clock (having functional functions and displaying all or part of the year, month, day, 9 hours, minutes, and seconds, and the day of the week) Which of claims 2 to 12 is stated in - (14) Stores and displays data corresponding to the year, month, day, 7 hours, minutes and seconds, and all or any of the days of the week, and also displays a built-in clock (depending on the function, when the date and time etc. match). sound, light 1
14. The telephone set according to any one of claims 2 to 13, characterized in that the stored data is displayed in characters or the like, and the stored data is read out and displayed by operating related keys. (15) Any one of claims 2 to 14J1'i, characterized in that the call time is measured and displayed.
The telephone listed in. <16) Which of claims 2 to 15 is characterized in that the call charge is calculated and displayed, or the cumulative call charge for each fixed period is displayed by operating a related key. The phone listed in. (17) Any one of claims 2 to 16, characterized in that a call time warning is issued at regular intervals.
(18) The telephone according to any one of claims 2 to 17, characterized in that the operating state or the next operation procedure is displayed on a display device. (19) The character groups that are arbitrarily grouped in advance are the 7 lines of the 50 sounds, the ``u line'', and the ``wa'', 1-n''. The telephone set according to any one of claims 2 to 18, characterized in that the letter group in the wa line corresponds one to 11 to the number of dial keys. (20) , ] The telephone set according to claim 19, characterized in that the five characters and symbols belonging to each of the two character groups correspond to the five dial keys. (21) Dial Claims characterized in that a dial key number having a number corresponding to the character or symbol of the character group designated by the key corresponding to January 1 is displayed on the display device. The telephone according to item 19 or 20.