JP3950132B2 - Portable electronic devices - Google Patents

Description

  The present invention relates to a portable electronic device such as a mobile phone, and more particularly to a portable electronic device in which character input is performed.

JP 2004-128909 A JP 2003-333157 A JP 2000-236376 A

Used for communication equipment such as cellular phones, portable information processing devices such as PDAs and personal computers, or audio / video equipment that incorporates a small HDD (hard disk drive) and solid-state memory to record and play music and video Various electronic devices that can be carried by a person are becoming widespread.
In these portable electronic devices, there are many opportunities for users to input characters. For example, in the case of a mobile phone, characters are frequently input to create an e-mail transmission sentence. In information processing apparatuses and audio / video devices, character input is performed as e-mail, memo input, file name input, song name input, and the like.

  In the case of a portable device, in consideration of the small size and usability, the operation keys are minimized, and one operation key is often used for a plurality of inputs. For this reason, in the case of Japanese character input, for example, several characters of hiragana are assigned to one key, and in order to select one character, the input key must be pressed several times. For this reason, there is a problem that input operation takes time and labor especially in character input for e-mail and the like.

  Note that Patent Documents 1, 2, and 3 describe a mobile phone device in which operation keys are provided on the front side and the back side. For example, in a mobile phone equipped with an imaging function, an operation key for imaging operation is arranged on the back side by a key provided on the back side, or an assist during input operation such as a shift key, scroll key, enter key, clear key, etc. It is disclosed that a key for a typical operation is arranged on the back side. However, the problem of improving the operability of character input itself has not been solved.

  In view of the above problems, an object of the present invention is to improve the operability of character input such as Japanese in a portable electronic device, and to easily and quickly execute character input for an electronic mail or the like.

For this reason, the portable electronic device of the present invention is disposed on the first surface of the gripping housing that is gripped during the input operation, and at least each of them is “A”, “I”, “U”, “E”, “O”, “O” “ A second input operation unit having eight operators that designates one vowel of “Y”, “Yu”, and “Y” , a display unit, and the first input operation unit. And a control unit that selects an input character based on simultaneous designation of a consonant and designation of a vowel in the second input operation unit, and displays the input character on the display unit.
For example, the first surface on which the first input operation unit is disposed is a front surface of the gripping housing, and the second surface on which the second input operation unit is disposed is the gripping housing. It shall be the back or top surface of the body.
Furthermore, a third input operation unit arranged on the third surface of the gripping housing is provided, and the control unit selects an input mode according to an operation of the third input operation unit, and is selected. In accordance with the input mode, an input character is selected based on the designation operation of the first and second input operation units.
In these cases, when the user holds the gripping housing with one hand, the first, second, and third input operation units are the first input operation unit with the thumb, It is preferable that the second input operation unit is an index finger and the third input operation unit is a middle finger and is arranged at an operable position.

In addition, the main body of the portable electronic device is formed in a shape that can be gripped with one hand, and the housing as the main body is the gripping housing.
Further, in this case, the main body part is a foldable structure in which the upper part of the main body in which the display part is formed and the lower part of the main body in which the first and second input operation parts are formed are joined by a shaft part. In addition, a substantially boomerang shape is formed at the upper portion of the main body and the lower portion of the main body in the state opened from the folding.

Alternatively, the gripping housing is formed as a separate housing from the main body.
In particular, the gripping housing is formed as a separate housing that is detachable with respect to the main body, and the display unit is provided as a separate housing with respect to the main body, and the main body and the display It is assumed that the part is attached to the wristband and formed into a wristwatch type.
In this case, for example, the input information from the first and second input operation units in the gripping housing is supplied to the main body by the transmission code provided between the gripping housing and the main body. What should I do? Alternatively, the wireless transmission unit to the grip housing, and the said body portion is in so that the radio receiver is provided, the first in the grip housing, the input information by the second input operation section The main body unit may be supplied by wireless transmission by the wireless transmission unit and the wireless reception unit.

The first or second input operation unit has the following configuration.
The first input operation unit has a plurality of input keys, and the input keys are arranged in a generally radial pattern when viewed from a position that becomes the base of the thumb when gripped.
The first input operation unit has a plurality of input keys each of which can specify a consonant, and a consonant key corresponding to a Japanese muffled sound or a semi-voiced sound removes the muddy note or the semi-voiced note. It is arranged so as to be adjacent to a consonant key corresponding to a clear sound.
Incidentally, the first input operating unit, and / or the second input operating section has a plurality of input keys, the shape of the plurality of input keys are arranged on the same plane, is a plurality of types Also good .
The first input operation unit and / or the second input operation unit have a plurality of input keys, and the heights of the plurality of input keys arranged on the same surface are a plurality of types. Also good .

That is, the present invention is based on the fact that a character intended by the user is input by an operation of specifying a consonant in the first input operation unit and simultaneously specifying a vowel in the second input operation unit, Furthermore, the operability is improved by the above-described configurations.

According to the present invention , a consonant is designated by one of a plurality of operators as a first input operation unit provided on a first surface (for example, the front surface) of the gripping housing , and at the same time, the gripping housing. Since a character intended by the user is input by an operation of designating a vowel with one of a plurality of operators as a second input operation unit provided on the second surface (for example, the back surface or the top surface) of The user can directly select and operate the character intended to be input. That is, the time-consuming operation of selecting the character to be input by pressing the same key many times becomes unnecessary. As a result, the time for inputting characters for e-mails and the like is shortened, and the operation is simplified. Furthermore, since the keys are set separately for consonants and vowels, if the user gets used to the operation and grasps the key arrangement, so-called blind touch can be used for easy character input, and the ease of character input is further enhanced. Become.
Further, if the input mode operation can be performed by the third input operation unit arranged on the third surface such as the side surface of the gripping housing, the character type (for example, hiragana, katakana, alphabet, character size, You can also directly specify other numbers (such as numbers), which eliminates the troublesome operation of entering characters after selecting an input mode. This also contributes to simplifying and speeding up the character input operation.

Also, the plurality of input keys at the first input operation unit, that is placed in the schematic radially the base of the thumb position viewed during gripping, those movements of the thumb for input operation is also effortless Thus, the operability is improved. In addition, by a special key arrangement as radial, it becomes easy to grasp the type of each key (character) without user viewing, that is suitable for blind operation.
Also, in the first input operation unit, Japanese is voiced or consonant key corresponding to a half-dull sound of, disposed adjacent to consonant key corresponding to Kiyone disconnecting the turbidity note or semi Pollution notes This also facilitates the user's understanding of the key arrangement.
By these things, input operability Ru is further improved.

Further, the main body of the portable electronic device has a foldable structure in which the main body upper part and the main body lower part are joined by a shaft part, and in the state opened from the fold, the main body upper part and the lower part of the main body have a substantially boomerang shape. In this way, when the user naturally holds the lower part of the main body with one hand, the display unit does not tilt in front of the user, and the display contents are easy to see.
Further, by making the main body and the gripping housing separate, various device forms such as a wristwatch type can be realized, and the input operability using the gripping housing can be improved.
In the case of a wristwatch type, the gripping housing is removed while the main body and display are wrapped around the wrist, so you can hold the gripping housing in your palm while looking at the display located on the wrist. It is also possible to realize an input operation mode with very good usability.

Hereinafter, as an embodiment of the portable electronic device of the present invention, a foldable mobile phone and a wristwatch type mobile phone will be described as examples.

<Folding mobile phone>

First, an example of a mobile phone whose main body has a foldable structure will be described.
FIGS. 1A and 1B are a front view and a rear view of the mobile phone of this example in a state where the main body is opened, and FIGS. 2A and 2B are a side view and a front view of the state where the main body is folded. It is.
As can be seen from the figure, this mobile phone is of a foldable type in which a main body upper portion 1 and a main body lower portion 2 are rotatably joined by a shaft portion 14. Call confirmation, e-mail confirmation and character input are performed in an open state as shown in FIG.

As can be seen from FIGS. 1 and 2B, the lower side of the main body upper portion 1 and the upper side of the lower body portion 2, that is, the side on which the shaft portion 14 is formed are inclined from the horizontal. The shaft portion 14 is formed in parallel to the inclined side.
Therefore, as shown in FIG. 2B, in the folded state, the planar shape is a shape in which the upper side of the rectangle is inclined, and in the opened state, as shown in FIG. Is designed to have a substantially boomerang shape. That is, in the opened state, the side lines of the main body upper portion 1 and the main body lower portion 2 form an angle θ shown in FIG. 1A, which is smaller than 180 °. For example, the angle θ is set to be about 160 ° to 170 °.

As shown in FIG. 1A, the main body upper part 1 is formed with a display unit 8 and a speaker unit 7 on a surface which becomes the inner surface side when folded. Moreover, as shown in FIG.2 (b), the sub display part 9 and the speaker part 10 are formed in the surface which becomes an outer side in the folded state.
As shown in FIG. 1A, operation keys 3 and 4 for various inputs are arranged on the front side of the lower body 2. Hereinafter, the operation keys 3 and 4 arranged in front of the main body are referred to as front keys.
Further, as shown in FIG. 1B, an operation key (hereinafter referred to as a back key) 6 is also arranged on the back side of the lower body 2.
Further, operation keys (hereinafter referred to as side keys) 5 are also formed on the side surface of the lower body 2.
That is, the first, second, and third input operation sections are formed with the front surface of the lower body 2 as the first surface, the back surface as the second surface, and the side surface as the third surface, respectively.

  FIG. 1 shows an example in which 14 keys are arranged as the front key 3, 9 keys are arranged as the front key 4, 8 keys are arranged as the back key 6, and 1 key is arranged as the side key 5. However, the number and arrangement position of each of the front keys 3 and 4, the back key 6, and the side key 5, the shape of the key, the key type (separate press key, seesaw key, etc.) are limited to this example. It is not a thing. Also, a jog dial or jog ball type operation element may be provided instead of the key form.

A microphone part 13 is formed below the front side of the lower part 2 of the main body. Further, a grip portion 11 is formed in the lower portion on the side surface where the little finger and the ring finger are positioned when the user holds the grip. Further, a ring 12 through which the user's little finger and ring finger can pass is formed on the back side.
As shown in FIG. 5, the user places his / her little finger and ring finger through the ring 12 and puts the fingertip on the grip portion 11 so that the thumb, index finger, and middle finger remain free. Can be held stably.

FIG. 3 shows an example of the internal configuration of the mobile phone of this example.
The CPU 21 controls the entire device. That is, data transmission / reception such as transmission, reception, telephone call, and e-mail, input monitoring, date / time counting, input character generation process processing, and the like are performed.
The CPU 21 controls display operations of the main display unit 8 and the sub display unit 9. For example, characters and images of transmission / reception data such as outgoing dial, reception telephone number, e-mail, image display, icon display, menu display, mode display, date display, etc. are executed.
The ROM 25 stores an operation program for the CPU 21, processing constants, and the like.
The RAM 26 is used by the CPU 21 as a work area, and is used for storing data in various processes.
The nonvolatile memory 27 stores, for example, a processing coefficient, a telephone number registered by the user, a mail address, a web address, history information, transmitted / received e-mail document data, a download program, and the like.

The communication unit 28 performs transmission / reception processing of voice signals for a call and transmission / reception processing of e-mail data, download / upload data, and the like based on the control of the CPU 21. Therefore, for transmission, audio signals and various data are encoded, converted into a communication format, and modulated for transmission. As for reception, demodulation and decoding are performed.
The antenna 29 is an antenna for transmitting and receiving voice and data, and is disposed, for example, in the main body of the mobile phone.
The voice processing unit 30 performs call voice codec, demodulation, amplification, and ringtone output processing. During a call, the audio data decoded by the communication unit 28 is subjected to audio decoding processing by the audio processing unit 30, processed by equalizing, amplification, and the like and output from the speaker unit 7.
The user's voice input from the microphone unit 13 is subjected to amplification processing, filtering, codec processing, and the like by the voice processing unit, and then sent to the communication unit 28 for transmission and output.
In addition, sounds such as ringtones and ringtones are generated by the sound processing unit 30 according to instructions from the CPU 21 and output from the speaker unit 10.

The vibration unit 33 is a so-called vibrator mechanism and its drive circuit, and generates vibration. At the time of a call or an incoming e-mail, the CPU 21 controls the vibration unit 33 to execute a vibration generating operation.
The power supply unit 31 uses a battery 31a as a primary battery or a secondary battery as a power supply, and supplies the operation power supply voltages V1, V2,. On / off of the operation power supply by the power supply unit 31 is controlled by the CPU 21 based on a user operation.

For example, a front key input detecting unit 22 having a key matrix contact structure is provided for the front keys 3 and 4, and information indicating that a certain key of the front keys 3 and 4 is pressed is sent from the front key input detecting unit 22 to the CPU 21. To be supplied. Similarly, a back key input detection unit 23 is provided for the back key 6 and a side key input detection unit 24 is provided for the side key 5, and information indicating that a certain key has been pressed is supplied to the CPU 21.
The CPU 21 recognizes the user's operation based on the information on the press keys detected by the input detection units 22, 23, and 24, and performs necessary processing. When the character input mode is set, a certain key among the front keys 3 and 4 whose pressing is detected by the front key input detecting unit 22 and a rear key whose pressing is detected by the rear key input detecting unit 23. An input character is selected by combination with a certain key among the six. Specifically, as will be described later, the input character is recognized by the consonant selected by the front key 3 or 4 and the vowel selected by the back key 6. In the case of character input, the mode such as hiragana, katakana, and character size is set according to the operation state of the side keys 5, and the character type input by operating the front key 3 or 4 and the back key 6 accordingly. Is selected.
The CPU 21 displays the character selected based on the input operation on the main display unit 8 and presents it to the user as a monitor during document creation.

Hereinafter, a character input operation example in the mobile phone of this example having such a configuration will be described.
As described above, the lower part 2 of the main body is provided with the front keys 3 and 4, the back key 6, and the side keys 5, and the user inputs characters for creating an e-mail transmission document using these keys. be able to.
In particular, in this example, when inputting characters, a consonant is specified with the front key 3 and a vowel is specified with the back key 6, and one of the front key 3 and one of the back keys 6 are pressed simultaneously. Thus, it is a great feature that a certain character can be directly input.

FIGS. 4 and 5 show a state where the user holds the mobile phone and performs an input operation. 4 shows a state seen from the front direction, and FIG. 5 shows a state seen from the back direction.
As shown in the figure, when the user holds the lower part 2 of the main body with the right hand, the little finger and the ring finger are passed through the ring 12, and the fingertip grips the grip portion 11.
In addition, by passing a finger through the ring 12, the cellular phone can be stably held without necessarily gripping the grip portion 11 with a certain amount of force. In this example, a structure example in which the ring 12 is provided is shown, but a configuration in which the ring 12 is not provided is also conceivable. In that case, it can be held sufficiently stably by simply grasping the grip part lightly with the little finger and the ring finger.
In addition, it is suitable for stable holding that the grip portion 11 whose side surface is matched with the finger and whose side surface is light and concave is provided, but the concave grip portion 11 is provided regardless of whether or not the ring 12 is provided. There may be no configuration example.
Actually, even if the ring 12 and the grip portion 11 having a concave side surface are not provided, the lower end side of the main body lower portion 2 can be gripped only by the little finger and the ring finger. However, if at least one of the ring 12 and the grip portion 11 is provided, it is preferable for stable holding, and the thumb, index finger, and middle finger can be moved more freely while being held.

  When the user holds the mobile phone mainly with the little finger and the ring finger as shown in FIG. 4, it is normal that the lower part 2 of the main body is tilted slightly. At this time, it is preferable that the main body lower portion 2 and the main body upper portion 1 have an angle θ as described above with the main body upper portion 1 opened. That is, even when the main body lower part 2 is held in an oblique direction, the main body upper part 1 is substantially vertical, that is, the display unit 8 does not tilt in front of the user. This makes it easier for the user to see the display unit 8 and makes it easier to handle because it is unnecessary to bend the wrist unconsciously.

4 and 5, the thumb is naturally positioned around the front key 3 in the state of being held mainly by the little finger and the ring finger. Of course, the front key 4 can also be operated with the thumb. The index finger is positioned around the back key 6, and the middle finger is positioned around the side key 5.
That is, the front key 4, the back key 6, and the side key 5 as the first, second, and third input operation units are in a state where the user grips the lower body 2 (gripping housing) with one hand. By arranging the thumb, index finger, and middle finger at positions where they can be operated, the operations of consonant designation, vowel designation, and input mode can be easily performed simultaneously. In addition, since the apparatus itself can be held with the little finger or the ring finger, character input can be executed with one hand.
Further, particularly in this example, the front key 3 is arranged such that each key is substantially radially centered around the base of the user's thumb in the state shown in FIG. It produces the advantage that each key can be operated with natural movement.

  The operation contents and input contents to be assigned to each of the front keys 3 and 4, the back key 6, and the side key 5 are determined by inputting a telephone number, specifying a destination, and answering an incoming call that are necessary for a mobile phone. In addition, it is related to key settings for basic operations such as line disconnection and key settings for functions installed in mobile phones, such as web access functions and game functions. This depends on the character types that can be used, the number of keys, and various other design situations. For this reason, the actual key setting can be considered in various ways, but an example is given from the viewpoint of Japanese character input.

The example shown in FIG. 1 or the like, that is, 14 keys as the front key 3, 8 keys as the back key 6, and 1 key as the side key 5 is described as follows. Become.
The 14 front keys 3 have “K”, “S”, “T”, “N”, “H”, “M”, “R”, “W”, “G”, “Z”, “D”, and “F” shown in FIG. “B” and “P” are assigned.
The eight back keys 6 are assigned “a” “i” “u” “e” “o” and “ya” “yu” “yo” as vowels.
The side key 5 is used for designating the input character type mode of hiragana / katakana.

In this case, by simultaneously pressing one key of the front key 3 and one key of the back key 6, one letter (or symbol) of hiragana is input as shown in FIG.
For example, by pressing the “K” key of the front key 3 and the “a” key of the rear key 6, “ka” is input. Also, by pressing the “N” key on the front key 3 and the “ya” key on the rear key 6, “Nya” is input. By pressing the “W” key of the front key 3 and the “i” key of the rear key 6, the phrase “,” is input.
For “A”, “I”, “U”, “E”, “O”, “Ya”, “Yu”, and “Y”, only the keys assigned to the rear key 6 are pressed.
Furthermore, by continuously pressing one key of the front key 3 and one key of the rear key 6 while pressing the side key 5 continuously, that is, by simultaneously pressing the three keys, the characters in the table of FIG. It is assumed that it is entered in katakana.
For example, by adopting such an input method, it is possible to directly input 50 hiragana sounds, 50 katakana sounds, and symbols “,” “.” “˜” “?” “!” Frequently used in sentences.
In addition, the side key 5 can be used for conversion of hiragana and kanji inputted by direct designation in this way. That is, the operation of pressing only the side key 5 may be a kanji conversion operation for unconfirmed characters. For example, when there is an undetermined character, the candidate kanji is switched by simply pressing the side key 5.
The operation for determining the candidate kanji may be performed by providing a determination key as one of the front keys 4 or may be performed by a double click operation of the side keys 5.
Of course, other than kanji such as alphabet may be included as one of candidates for kanji conversion.

Basically, as shown in FIG. 6, except for designating consonants and vowels by using the front key 3 and the back key 6 and inputting Japanese characters, key assignments and operation methods are considered to be very diverse.
If two or three keys are provided as the side keys 5, the operability can be further improved.
For example, one of the side keys 5 may be used as an input mode selection, one as a Kanji conversion key, and one as a decision key.
As described above, the input mode can be switched by a toggle operation in addition to hiragana if not pressed and katakana while pressed. That is, every time the input mode selection key is pressed, the input mode is switched in order of hiragana, katakana, numbers, symbols, uppercase letters, and lowercase letters. It is also conceivable that an arbitrary character is input by the front key 3 (or 4) and the rear key 6 after determining the character type to be input.
Numbers may be assigned to the front key 3 in combination with the above consonants, or 12 keys may be provided on the front key 4 side to assign “0” to “9” and “*” “#”. good.
As for the alphabet, 26 keys including the front keys 3 and 4 may be provided, and an alphabetic character may be assigned to each of them. Alternatively, the alphabet 5 for vowels of the rear key 6 set in FIG. The letters and 14 alphabets for consonants of the front key 3 are used as they are, and the remaining seven letters “C”, “J”, “L”, “Q”, “V”, “X”, and “Y” are placed on the front key 4 side. You may assign.

As described above, there are various key arrangements, character assignments, and input methods. FIG. 7 shows another key arrangement example as an example.
In this example, 15 keys are arranged in the normal arrangement as the front keys 3A in the lower part 2 of the main body, and 9 keys are arranged as the front keys 4A.
Also, eight keys are arranged as the back key 6A, and three keys are arranged as the side key 5A.
For example, the key arrangement example in FIG. 7 shows that the present invention can be applied even when the front key is a general key arrangement. That is, even if the front side is a general key arrangement in this way, the back key 6A and the side key 5A can be provided to enable simple and quick character input by the operation method described above.

In this case, for example, the eight back keys 6A are assigned “a”, “i”, “u”, “e”, “o” and “ya”, “yu”, “yo” as vowels.
The 15 keys of the front key 3A are assigned to dial numbers “0” to “9” and “*” and “#” for related operations in a general mobile phone, and overlap each other. Fifteen consonants are assigned. The 14 consonants here are “K” “S” “T” “N” “H” “M” “R” “W” “G” “Z” “D” “F” “B” “P”. However, “a” is also assigned.
The input characters by the front key 3A and the back key 6A are as shown in FIG. In other words, the key “a” in the front key 3 is set to the lower case letters “A” to “Y”, “A”, “I”, “ぅ”, “E”, “ぉ”, “Nya”, “Yu”, and “C”. It allows input without using operations.
The three side keys 5A may be set for character type selection, kanji conversion, determination operation, etc., as described above.

As described above, in the mobile phone according to the present embodiment, the user intends to use Japan by specifying the consonant with the front key 3 (or 3A) and the vowel with the rear key 6 (or 6A). Since word characters can be directly input, the time-consuming operation of selecting the character to be input by pressing the same key many times is not necessary. As a result, the time for inputting characters for e-mails and the like is shortened, and the operation is simplified.
Further, by performing the input mode operation with the side key 5 (or 5A), it becomes easy to specify the character type (for example, hiragana, katakana, etc.) to be input, and the input operation can be executed more quickly.
Of course, as described above, the front keys 3 and 4, the back key 6, and the side keys 5 are arranged at positions where the user can operate with the thumb, index finger, and middle finger, respectively, in a state where the user holds the mobile phone with one hand. Therefore, the operations of the above consonant designation, vowel designation, and input mode can be easily performed simultaneously. In addition, since the apparatus itself can be stably held with the little finger and the ring finger, the degree of freedom of the thumb, the index finger, and the middle finger is increased, and the operation is not difficult.
Further, if the user becomes familiar with the key arrangement of consonants and vowels and can perform input by a blind operation without looking at the keys, the effect of ease of character input is further enhanced.

By the way, in this example, the ring 12 is fixedly provided, but not only an example in which the ring 12 is not provided but also a mechanism in which the ring 12 itself can be housed in the lower body 2 can be considered.
For example, when the main body is folded, the ring 12 is accommodated in the main body, and when the main body is opened, the ring 12 protrudes as shown in FIGS. In this case, the ring 12 is convenient without being disturbed.
Further, although an example of a foldable mobile phone has been described, the configuration of this example having a front key, a back key, and a side key can be applied to a non-foldable mobile phone.

<Watch-type mobile phone I>

Next, an embodiment as a wristwatch type mobile phone will be described.
FIG. 9 shows the appearance of a wristwatch type mobile phone.
This cellular phone is roughly provided with different housing parts as the display unit 50, the main unit 60, and the input unit 70.
The display unit 50 and the main unit 60 are connected by the wristband 40, and the input unit 70 is detachable from the main unit 60. 9A shows a state in which the input unit 70 is fitted in the main unit 60, and FIG. 9B shows a state in which the input unit 70 is removed from the main unit 60 when the input unit 70 is used.

In the drawing, both end portions 41 of the wristband 40 shown as hatched portions are fixed portions for winding around the user's wrist using clasps, Velcro (registered trademark), magnets, or the like. .
10 and 11 show a state in which the wristband 40 is attached to the wrist. For example, when the display unit 70 is located on the back side of the hand as shown in FIG. 10, the main unit 60 and the input unit 70 are located on the palm side as shown in FIG. FIG. 11B shows a state where the input unit 70 is removed from the main body unit 60 on the palm side.

The display unit 50 includes a display unit 51 such as a liquid crystal panel, and the user can visually recognize the display contents in the state shown in FIG.
The body unit 60 has a mounting portion 61 substantially corresponding to the shape of the input unit 70 formed on the surface thereof. When this cellular phone is not used, the input unit 70 is locked and held in a state of being fitted into the mounting portion 61.
When a mobile phone is used for calling, sending mail, etc., the input unit 70 is removed from the mounting portion of the main unit 60. At this time, it is easy to hook the nail 74 formed on the input unit 70 on the finger. It can be removed.

  On the bottom surface of the mounting portion 61 of the main unit 60, a microphone 62 used for a call is disposed. Although the internal configuration of the main unit 60 will be described later, a signal transmission path such as a flexible substrate is formed in the wristband 40 for transmission of signals and power supply voltages in the main unit 60 and the display unit 50.

Various signals and power supply voltage are transmitted between the input unit 70 and the main unit 60 by the transmission code 63.
A cord port 64 is formed on the bottom surface of the mounting portion 61 of the main unit 60. When the input unit 70 is removed, the transmission cord 63 is pulled out from the cord port 64. A cord winding mechanism is provided inside the cord port 64. When the input unit 70 is attached, the transmission cord 63 is wound and the transmission cord 63 is stored in the main unit 60.

The input unit 70 is provided with a speaker unit 75 used for calling, ringing tone output, and the like.
Further, as shown in FIG. 11B, a lens as the imaging unit 76 is formed on the back side of the input unit 70.
The input unit 70 has a number of operation keys for various inputs. 14A, 14B, and 14C show a front view, a top view, and a side view of the input unit 70. Each operation key will be described later, but a plurality of operation keys are provided on the front side of the input unit 70. At least a front key 71 for designating a consonant, an upper surface key 72 for designating at least a vowel as a plurality of operation keys on the top surface, and one or a plurality of operation keys (3 in the figure) on the side surface. A side key 73 for mode operation or the like as one operation key) is formed.
That is, the input unit 70 has the first surface, the upper surface as the second surface, and the side surface as the third surface, so that the first, second, and third input operation units are formed.

  9, 11, and 14 show an example in which 15 keys are arranged as the front key 71, 8 keys are arranged as the top key 72, and 3 keys are arranged as the side key 73. However, the number and position of the keys as the front key 71, the top key 72, and the side key 73, the shape of the key, the type of key (separately from the pressing key, the seesaw key, etc.) are limited to this example. is not. Also, a jog dial or jog ball type operation element may be provided instead of the key form.

FIG. 13 shows an internal configuration example of the wristwatch type mobile phone of this example. 3 that are the same as those described in FIG. 3 are given the same reference numerals, and redundant description of their operation functions is avoided.
In this case, in the main unit 60, the CPU 21, ROM 25, RAM 26, nonvolatile memory 27, communication unit 28, antenna 29, audio processing unit 30, power source unit 31 using the battery 31a as a power source, vibration unit 33, and microphone unit 62 is provided.
As described above, since the display unit 51 is provided in the display unit 50 which is a separate housing from the main unit 60, the CPU 21 controls the display unit 51 via a transmission path formed in the wristband 40, for example, transmission Characters, images, icons, menus, modes, date and time, etc. of transmission / reception data such as dials, received telephone numbers, and e-mails are executed.
Further, the operating power supply voltage V2 from the power supply unit 31 to the display unit 51 is also supplied through a power supply voltage transmission line formed in the wristband 40.

The input unit 70 is provided with a front key 71 and a front key input detection unit 85 having, for example, a key matrix contact structure with respect to the front key, and information indicating that a certain key of the front key 71 is pressed is input determination unit 77. To be supplied. Similarly, an upper surface key input detection unit 86 is provided for the upper surface key 72, and a side key input detection unit 87 is provided for the side key 73, and information indicating that a certain key has been pressed is supplied to the input determination unit 77. The
The input determination unit 77 recognizes the user's operation based on the information on the press keys detected by the input detection units 85, 86, and 87 and supplies the operation information to the CPU 21 through the transmission path in the transmission code 63. . The CPU 21 performs necessary processing according to the operation information.
In particular, when the CPU 21 is in the character input mode, the input determination unit 77 presses a certain key among the front keys 71 whose pressing is detected by the front key input detection unit 85 and the upper surface key input detection unit 86. An input character is selected by a combination with a certain key among the upper surface keys 72 in which is detected. That is, the input character is recognized by the consonant selected by the front key 71 and the vowel selected by the top key 72. In the case of character input, the mode such as hiragana, katakana, and character size is set according to the operation state of the side key 73, and the character type input by operating the front key 71 and the top key 72 is selected accordingly. To do.
The input determination unit 77 transmits the input character information determined in this way to the CPU 21. The CPU 21 displays the characters selected by the input determination unit 77 based on the input operation on the display unit 51 and presents them to the user as a monitor during document creation.
In this example, the input determination unit 77 selects an input character. However, the information of the press key detected by each input detection unit 85, 86, 87 is transmitted to the CPU 21 as it is, and the CPU 21 performs input determination processing. May be performed.

In the case of this example, a speaker unit 75 is provided on the input unit 70 side. For this reason, the audio signal demodulated or generated by the audio processing unit 30, that is, the audio signal such as the call voice, the ringtone, and the incoming melody is sent to the speaker 75 side through the audio transmission path in the transmission code 63 and output as the voice. Will be.
The input unit 70 is provided with an imaging unit 76. The imaging unit 76 includes an imaging element unit having a lens optical system, a CCD sensor, a CMOS sensor, or the like, and outputs a captured image signal. The picked-up image signal is converted into digital data by the image data processing unit 78 and subjected to necessary image processing (luminance processing, color processing, white balance, image correction, etc.), data compression processing, etc., and a transmission path in the transmission code 63. Is supplied to the CPU 21 as captured image data.
The CPU 21 executes the imaging operation of the imaging unit 76 and the image data processing unit 78 in accordance with the user's imaging operation, and stores the supplied captured image data in the RAM 26 or the non-volatile memory 27, for user operation. In response, processing such as sending an e-mail attachment is performed.
Further, the operating power supply voltage V3 from the power supply unit 31 to each circuit unit in the input unit 70 is supplied via a power supply voltage transmission line formed in the transmission cord 63.

Hereinafter, a character input operation example in the wristwatch type mobile phone of this example having such a configuration will be described.
As described above, the input unit 70 is provided with the front key 71, the top key 72, and the side key 73, and the user can use these keys to input characters for creating an e-mail transmission document. it can.
In this case, when inputting characters, a method is used in which a consonant is designated with the front key 71 and a vowel is designated with the top key 72, and one of the front key 71 and one of the top key 72 are pressed simultaneously. The main feature is that characters can be input directly.

FIG. 12 shows a state when the user performs an input operation. The user removes the input unit 70 from the main unit 60 and holds the input unit 70 as shown in FIG. At this time, the thumb is positioned on the front surface of the input unit 70, the index finger is positioned on the upper surface of the input unit 70, and the middle finger is positioned on the side surface of the input unit 70. Although depending on the size of the input unit 70, the ring finger and the little finger need only lightly support the lower part of the input unit 70.
Accordingly, the front key 71 can be operated with the thumb, the top key 72 can be operated with the index finger, and the side key 73 can be operated with the middle finger.
The specific operation may be the same as that described in the explanation of the foldable mobile phone described above, and may be variously considered. However, as the front key 71, consonant “K” “S” “T” “N” “H” “M” “R” “W” “G” “Z” “D” “F” “B” “P” etc. are arranged, and “a” “i” “u” as vowels as the top key 72. By arranging keys “e”, “o”, “ya”, “yu”, and “yo”, it is possible to input characters as shown in FIGS.
The side key 73 can be used for designating an input character type mode of hiragana / katakana, kanji conversion, and the like.
And, like the example of the folding mobile phone described above, the user can directly input the intended Japanese characters, so that the time-consuming operation of selecting the characters to be input by pressing the same key many times becomes unnecessary, Shortening of character input time for e-mail and others and simplification of operation are realized.

In addition, in the state where the input unit 70 is gripped by the hand as shown in FIG. 12, the input operation can be performed while looking at the display unit 51 located on the back side of the wrist as shown in FIG. This is suitable for confirming input characters while operating the input unit 70.
Further, during a call, the input unit 70 may be brought near the ear with the input unit 70 pulled out as shown in FIG. Then, since the speaker 75 provided in the input unit 70 is located in the vicinity of the ear and the microphone 62 provided in the main body unit 60 is located in the vicinity of the mouth, a call can be made without difficulty.

By the way, in the case of this example, the input unit 70 has a key arrangement as shown in FIG. 14, and is devised to increase the ease of blind touch input.
As shown in FIG. 14B, eight keys are formed as “a”, “i”, “u”, “e”, “o”, “ya”, “yu”, and “yo” as the upper surface key 72. In the drawing, in order from the left, the horizontally long “a” and “i” keys, the vertically long [u] key, the horizontally long “e” and “o” keys, the vertically long [yu] key, The horizontally long “ya” and “yo” keys are respectively arranged. By arranging two types of keys, ie, a vertically long key and a horizontally long key, in this way, the user can easily distinguish each key by touching with an index finger without visually recognizing the upper surface.
It should be noted that such a plurality of types of key shapes and the effects thereof can be similarly applied to the back key 6 shown in FIG.

Further, as shown in FIG. 14A, 15 keys are formed as a front key 71 in an array of 5 rows of 3 each.
The key on the left side of the first line from the top is a horizontally long key that is used for both outgoing / call start (incoming response) operation and “D” input.
The center key in the first row is a circular key for “Z” input.
The key on the right side of the first line is a horizontally long key that is used for both a call end (line disconnection) operation and “G” input.
The left key in the second row is a circular key for inputting “1” and “T”.
The center key in the second row is a vertically long key for inputting “2” and “S”.
The right key in the second row is a circular key for inputting “3” and “K”.
The key on the left side of the third row is a horizontally long key for inputting “4” and “N”.
The center key of the third row is a circular key for inputting “5” and determining (entering).
The key on the right side of the third row is a horizontally long key for inputting “6” and “W”.
The key on the left side of the fourth row is a circular key for inputting “7” and “H”.
The center key in the fourth row is a vertically long key for inputting “8” and “M”.
The key on the right side of the fourth row is a circular key for inputting “9” and “R”.
The key on the left side of the fifth line is a horizontally long key for inputting “*” and “B”.
The center key in the fifth row is a circular key for inputting “0” and “P”.
The key on the right side of the fifth row is a landscape key for inputting “#” and “F”.

  As can be seen from FIG. 14 (c), each of the keys in the second, third, and fourth rows has a protrusion height H2 from the front of the housing, whereas the first row Each key in the fifth row has a higher protruding height H1.

  As described above, a plurality of types of keys, such as a circle, a horizontally long shape, and a vertically long shape, are used, and two types of height keys, H1 and H2, are formed as key heights. By assigning numbers and characters, the user can easily identify each key without having to visually recognize the front of the input unit 70.

First, the height of the keys in the first row and the fifth row is set to H1, so that the upper end and the lower end of the key arrangement in the fifth row can be easily recognized with the thumb.
The three keys in the first row at the top are horizontally long, circular, and horizontally long. Therefore, the center key of the row can be recognized by the circular tactile sensation when touched with the thumb, and the call or “D” operation can be determined as the left key. Similarly, the call end or “G” operation is It can be judged as the right key.
The three keys on the fifth line at the bottom can be similarly identified.

As described above, the nine keys in the three central rows can be recognized as low-keys, and the “5” key in the third row located in the center of the nine rows is circular, and its left and right are horizontally long. The key, up and down are the vertical keys. Thereby, the “5” key can be easily discriminated, and the nine keys can be discriminated by sliding the thumb up, down, left and right around the “5” key.
The numeric keys for dial operation during a call or the like are keys of 2 to 4 lines, and “1” to “9” are assigned. Each figure is easy to recognize by tactile sensation due to its shape.

As described above, the 15 keys are easily discriminated by the difference in the shape and height of the keys.
Further, the assignment of alphabets as consonants is made as described above, so that consonant designation can be easily discriminated.
As can be seen from FIG. 14 (a), "K", "S", "T", "N", "H", "M", "R", "K", "S", "T", "N", "H", "R", " Eight keys are arranged in the order of “W”. This is the consonant of “ka line”, “sa line”, “ta line”, “na line”, “ha line”, “ma line”, “ra line”, and “wa line” in Japanese alphabet. In other words, except for “A row” and “Ya row” which can be input only with the top key 72, the positions of each consonant are easy for the user to remember because they are arranged counterclockwise in the order of the Japanese syllabary. It is easy to distinguish by tactile sensation along with the shape.

Furthermore, the “G” key, that is, “GA row” is arranged adjacent to the “K” key, that is, “KA row”.
The “D” key, that is, “da row” is arranged adjacent to the “T” key, that is, “ta row”.
The “B” key, that is, “BA row”, is arranged adjacently under the “H” key, that is, “ha”.
The “P” key or “PA row” is arranged adjacent to the lower right of the “H” key or “HA row”.
That is, the consonant alphabet key corresponding to the Japanese muffled sound or the semi-voiced sound is arranged adjacent to the consonant alphabet key corresponding to the clear sound from which the muddy note or the semi-voiced sound is removed.
As a result, the position of the consonant key for inputting muddy sound or semi-voiced sound is easy to understand.

  From the above, it is understood that it is appropriate to place the thumb as a reference point for the blind operation with the central “5” key. Then, this “5” key is used for Kanji conversion and menu operation. It is understood that it is very convenient in terms of operation to be a decision key at the time.

  In this way, the key shape, height, and consonant arrangement are devised so that each key of the input unit 70 can be easily identified by tactile sensation. Facilitates ease of operation and shortening of input time during operation.

Needless to say, the key arrangement, shape, assignment to each key, and the like can be considered very diversely.
Of course, a cross key or the like for destination selection, mode operation, cursor operation, etc. may be formed in front of the input unit 70 in addition to the 15 keys.
Further, in the case where the numeric input key and the character input key are used together as in this example, in the character input mode, the numeral may be input by double-clicking (pressing twice for a short time) or the like.
That is, for example, in the character input mode, it is conceivable to select a character type or the like with the side keys 73, but numbers can be input by being distinguished by single press or double click. For example, in the character input mode, the key in the center of the second line is input as “S” instead of “2”, but when this is double-clicked, it is determined that “2” is input. Then, when it is desired to input numbers in the process of creating a document by e-mail or the like, it is not necessary to perform an operation for changing the character type, so that the input operation can be simplified.

A key arrangement as shown in FIG. 15 is also conceivable.
This example is similar to the above for Japanese character input, but is also an example considering alphabet input.
That is, a function as a “C” input key is given to the “5” and “OK” keys in the center of the third row in the front key 71.
Further, the “ya” key of the top key 72 is given a function of “Y” input, “yu” key as “X” input, and “yo” key as “V” input.
Further, the input functions “J”, “L”, and “Q” are given to the three keys as the side keys 73.
In this way, 26 alphabetic characters are assigned to a total of 26 keys as the front key 71, the top key 72, and the side key 73, respectively.
For example, by switching the input mode from Japanese input to alphabet input, each key functions as an alphabet input key.

A specific example is as follows.
First, in the Japanese input mode, as described above, Japanese characters are input using the vowels and consonants of the front key 71 and the upper key 72, and the side key 73 and the center key on the third line of the front key 71 are pressed. Use to convert kanji and confirm input. In addition, from the Japanese input mode, the input mode is switched to the alphabet input mode using the side key 73.
In the state in which the alphabet input mode is set, the characters A to Z are directly input by each of the 26 keys as described above.
In particular, in alphabet input mode, one click on a key will input the capital letter of the alphabet assigned to that key, and double click will input the lower case letter of the alphabet assigned to that key. Good.
When returning from the alphabet input mode to the Japanese input mode again, for example, one of the side keys 73 is pressed (for example, kept pressed for 2 seconds or more).

Normally, when writing mail documents, Japanese characters and alphabets are often mixed. However, by setting the keys in consideration of alphabet input as shown in Fig. 15, not only Japanese but also English characters can be simplified. It can be made more usable.
Needless to say, when the total number of keys is 27 or more, the input mode may be switched by keys not assigned to alphabetic characters.

In the case of the wristwatch type mobile phone as in this example, the user can easily recognize the incoming call notification by the vibrator at any time because the incoming vibration from the vibration unit 33 is transmitted directly to the wrist.

<Watch type mobile phone II>

Next, another embodiment as a wristwatch type mobile phone will be described.
FIGS. 16A and 16B show the appearance of the wristwatch type mobile phone of this example. 16A shows a state where the input unit 70 is attached to the main unit 60, and FIG. 16B shows a state where the input unit 70 is removed. The wristwatch type mobile phone includes a main unit 60 and an input unit 70.
The difference from the example of FIG. 9 is that in this example, the input unit 70 and the main unit 60 perform signal transmission with each other by a wireless transmission method. Accordingly, as shown in FIG. 16B, when the input unit 70 is removed from the mounting portion 61 of the main unit 60, the input unit 70 is completely separated and the transmission code as shown in FIG. 9 is not used.
In the input unit 70, operation keys (a front key 71, a top key 72, a side key 73) and a speaker unit 75 are provided as in the above example.

FIG. 17 shows an internal configuration example. The main unit 60 is provided with a reception demodulation unit 82 and a modulation transmission unit 83 in addition to the configuration of the main unit 60 shown in FIG.
The power supply unit 31 in the main body unit 60 supplies power supply voltages V <b> 1 and V <b> 2 to each circuit unit in the main body unit 60 and the display unit 51 in the display unit 50.
On the other hand, as in FIG. 13, the input unit 70 includes a front key 71, a front key input detection unit 85, a top key 72, a top key input detection unit 86, a side key 73, a side key input detection unit 87, and an input determination unit 77. In addition, a speaker 75 is provided, and in addition, a modulation transmission unit 81, a reception demodulation unit 84, and a power supply unit 32 are provided.
The power supply unit 32 supplies an operation power supply voltage V3 to each circuit unit in the input unit 70 using a battery 32a as a primary battery or a secondary battery as a power supply.
When a secondary battery is used as the battery 32a and the input unit 70 is mounted on the main unit 60, the battery 32a of the input unit 70 is charged from the power supply unit 31 on the main unit 60 side. Also good.

In this case, the input information output from the input determination unit 77 of the input unit 70, that is, information related to the operation of the front key 71, the upper surface key 72, and the side key 73 is supplied to the modulation transmission unit 81, and a predetermined modulation process, Amplification processing is performed and radio waves are transmitted.
The modulation signal transmitted by the radio wave is received by the reception demodulation unit 82 of the main unit 60, demodulated, and supplied to the CPU 21 as operation input information.
Further, when outputting a call voice, a ringtone, and the like, those voice signals are supplied from the voice processing unit 30 to the modulation transmission unit 83, subjected to predetermined modulation processing and amplification processing, and transmitted by radio waves. The modulation signal transmitted by the radio wave is received by the reception demodulation unit 84 of the input unit 70, demodulated and amplified, supplied to the speaker 75, and output as sound.

Note that the modulation method at the time of wireless transmission is arbitrary, and various types such as FM modulation, phase modulation, and digital modulation can be employed. Also, the modulation method for wireless transmission of input operation information and the modulation method for wireless transmission of audio signals may be the same method or different methods.
Furthermore, although transmission using radio waves has been described here, other transmission methods such as infrared transmission are also conceivable.
In the example of FIG. 17, the imaging unit 76 and the image data processing unit 78 illustrated in FIG. 13 are not provided. However, when these are provided in the input unit 70, the captured image data can be wirelessly transmitted to the main unit 60 side. You can do it.

This example employs a wireless transmission method between the input unit 70 and the main unit 60 in this way. Then, handling of the input unit 70 becomes easy, and for example, it is suitable for a usage pattern as shown in FIG.
That is, the wristwatch-type mobile phone can be easily wound around the left wrist as in a regular wristwatch, and can easily perform an input operation by holding the input unit 70 with the right hand. The input operation using the input unit 70 is not described repeatedly here, but is the same as the wristwatch type mobile phone I described with reference to FIGS. 9 to 14 and its operability is improved. By using the input unit 70, the usability is further improved.
Of course, since the time can be displayed on the display unit 51, the mobile phone of this example can be used in place of a wristwatch.
Further, in the input unit 70 in this case, a configuration in which 26 alphabetic characters are assigned to each key as described with reference to FIG. 15 is also conceivable.

16 and 17 show an example in which the microphone 62 is provided in the main unit 60. However, when the input unit 70 is a cordless type as in this example, it is also appropriate to provide the microphone 62 on the input unit 70 side. is there. In such a case, the input unit 70 may be in the vicinity of the ear during a call, and for example, it is not necessary to position the main unit 60 side wound around the left hand at the mouth.
In this case, the microphone may be provided at the lower part of the input unit 70, or the microphone may be pulled out from the lower part of the input unit 70 like a rod antenna, for example.
Of course, the microphone input sound may be modulated and wirelessly transmitted to the main unit 60 side.

19 and 20 show examples in which the microphone 62 is provided on the input unit 70 side. FIG. 19A shows a state where the input unit 70 is attached to the main unit 60, and FIG. 19B shows a state where the input unit 70 is removed from the main unit 60.
For example, the microphone 62 is attached to the tip of a rod 62 a that is pulled out from the end of the input unit 70. That is, when mounting on the main unit 60, the rod 62a is pushed into the input unit 70 as shown in FIG.
When making a call, after the input unit 70 is removed from the main unit 60, the rod 62a is pulled out as shown in FIG.
The state where the input unit 70 is held in the right hand is as shown in FIG. 20, and in this state, the speaker 75 is located near the ear and the microphone 62 is located near the mouth. Calls can be made. That is, at the time of a call, the user need only be aware of the input unit 70 held in one hand.
The rod 62a may be used as an antenna for wireless communication with the main unit 60 side.

Furthermore, a configuration example in which the imaging unit 76 and the image data processing unit 78 shown in FIG. 13 are provided on the display unit 50 side in FIG. 17 is also conceivable.
Then, for example, when the user is making a call by placing the input unit 70 against the temporal region while looking at the display unit 51 as in a use state as shown in FIG. 20, the imaging where the user's face is provided on the display unit 50. The image is captured by the unit 76. The CPU 21 transmits the image captured by the imaging unit 76 to the communication destination together with the call voice and input characters. In addition, the CPU 21 causes the display unit 51 to display an image transmitted from the other party.
With such a configuration, a so-called videophone can be realized using the wristwatch-type mobile phone of this example.
Of course, by using the videophone function realized by the imaging unit 76 and the display unit 51, the user can communicate not only conversations between acquaintances but also the desired product at the time of product purchase on the screen, or the other party's It is possible to effectively use a mobile phone and a broadband network, such as confirming a product with an image.
Further, it is also possible to transmit a still image or a moving image captured by the imaging unit 76 on the display unit 50 side together with character data input using the input unit 70, instead of a call, in order to transmit a will that is appropriate for the user. Communication is possible.

<Modification>

By the way, the present invention is not limited to the above embodiments, and various modifications can be considered.
Although the height, shape, and alphabetical arrangement of the keys are described in FIG. 14, such a configuration can be adopted as a configuration of the front key 3 of the foldable mobile phone.
Further, the radial arrangement of the front keys 3 shown in FIG. 1 may be adopted as the arrangement of the front keys 71 of the input unit 70.
Further, in the configuration of the wristwatch type mobile phone, the main components such as the CPU 21, the communication unit 28, and the voice processing unit 30 are arranged in the main unit 60, but a configuration in which these are arranged in the display unit 50 is also possible. Conceivable.
Further, the input unit 70 may be a completely separate housing that is not attached to and detached from the main unit 70 side.
Furthermore, the present invention can be applied not only to mobile phones but also to other types of electronic devices such as PDAs and portable audio / video devices, and the effect of improving the operability of character input in these devices can be obtained.

It is the front view and back view of a foldable mobile telephone of an embodiment of the invention. It is the side view and front view of the state which folded the foldable mobile telephone of embodiment. It is a block diagram of an example of an internal configuration of a foldable mobile phone according to an embodiment. It is explanatory drawing of the use condition of the foldable mobile telephone of embodiment. It is explanatory drawing of the use condition of the foldable mobile telephone of embodiment. It is explanatory drawing of the example of a character input of the mobile telephone of embodiment. It is explanatory drawing of the example of another key arrangement of embodiment. It is explanatory drawing of the other example of character input of the mobile telephone of embodiment. It is explanatory drawing of the external appearance of the wristwatch-type mobile telephone of embodiment. It is explanatory drawing at the time of mounting | wearing with the wristwatch-type mobile telephone of embodiment. It is explanatory drawing at the time of mounting | wearing with the wristwatch-type mobile telephone of embodiment. It is explanatory drawing of the use condition of the wristwatch-type mobile telephone of embodiment. It is a block diagram of an internal configuration example of a wristwatch type mobile phone according to an embodiment. It is the front view, top view, and side view of the input unit of the wristwatch type mobile phone of the embodiment. It is explanatory drawing of the example of key arrangement | positioning of the input unit of the wristwatch-type mobile telephone of embodiment. It is explanatory drawing of the external appearance of the wristwatch-type mobile telephone by wireless transmission of embodiment. It is a block diagram of an example of an internal configuration of a wristwatch type mobile phone by wireless transmission of an embodiment. It is explanatory drawing of the use condition of the wristwatch-type mobile telephone by radio | wireless transmission of embodiment. It is explanatory drawing of the external appearance of the other example of the wristwatch type mobile phone by radio | wireless transmission of embodiment. It is explanatory drawing of the use condition of the other example of the wristwatch type mobile phone by radio | wireless transmission of embodiment.

Explanation of symbols

  1 Upper body, 2 Lower body, 3, 4, 71 Front key, 5, 73 Side key, 6 Back key, 8 Display, 11 Grip, 12 Ring, 14 Shaft, 21 CPU, 40 Wristband, 50 Display Unit, 51 Display unit, 60 Main unit, 61 Mounting unit, 70 Input unit, 72 Top key

Claims (5)

A first input operation unit that is disposed on a first surface of a gripping housing that is gripped at the time of an input operation, and that has at least a plurality of operators each of which designates one consonant;
It is arranged on the second surface of the gripping housing, and at least one vowel of any one of “A” “I” “U” “E” “O” “Y” “Y” “Y” A second input operation unit having eight operators that are designated;
A display unit;
A control unit that selects an input character based on simultaneous designation of consonant in the first input operation unit and vowel designation in the second input operation unit, and displays the character on the display unit;
A portable electronic device comprising:   The portable electronic device according to claim 1, wherein the main body is formed in a shape that can be gripped with one hand, and a housing as the main body is the gripping housing. The gripping housing is formed as a separate housing that is detachable from the main body,
The display unit is provided in a separate housing with respect to the main body unit,
The portable electronic device according to claim 1, wherein the main body and the display are attached to a wristband and formed in a wristwatch shape. A third input operation unit disposed on the third surface of the gripping housing;
The control unit selects an input mode according to the operation of the third input operation unit, and selects an input character based on the designation operation of the first and second input operation units according to the selected input mode. The portable electronic device according to claim 1, wherein: In the plurality of input keys provided in the first input operation unit and capable of specifying consonants,
The key of a consonant corresponding to a Japanese muffled sound or a semi-voiced sound is disposed adjacent to a key of a consonant corresponding to a clear sound from which the muddy note or the semi-voiced sound is removed. The portable electronic device as described.

Images