JP2002125020A - Communication terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication terminal device capable of enhancing mobility without forcing an unreasonable posture at the time of use or causing a change for the worse in a user-friendly state. SOLUTION: A terminal device 1 is a wristwatch type, which is constituted by a holder 2 and a terminal body 3 supported detachably by the holder 2. One end part of wrist bands 21, 21 is stopped at an end part opposite to the holder 2. A circular recess part 23 into which a terminal body 3 is fitted is formed on an upper surface of the holder 2, and a pair of lock recess parts 24, 24 are formed in a region opposite to the circular recess part 23. Lock mechanisms 34, 34 are provided in a region corresponding to the lock recess parts 24, 24 and in a peripheral part of the terminal body 3, and this lock mechanism 34 allows to detach the terminal body 3 from the holder 2. The terminal body 3 is detached from the holder 2 at the time of a telephone call, and the telephone call is carried out by a speaker and a mike provided on the back surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a portable communication terminal device.

[0002]

2. Description of the Related Art Today, with the progress of digitization and the spread of the Internet, high-speed data communication and packet communication services have started in mobile communications such as cellular phones and PHSs, and the use of data communications other than voice has rapidly increased. I have. Also, PDA (Personal Digital Assistant) and notebook PC
(Personal Computer) to a mobile phone or PHS, remotely connect to a server or PC in an office or home via a mobile communication network and a public network or the Internet, and transfer files, e-mail, and WWW (World Wid
Mobile computing used for e Web) has also become widespread.

On the other hand, mobile phones (cellular) and PHS (Pe
Mobile communication terminals such as rsonal Handyhpone System)
In recent years, miniaturization and weight reduction are rapidly progressing, and portable telephone terminals, wristwatch-type PHS terminals and cellular terminals of several grams have been developed. Further, a wristwatch-type incoming notification device that vibrates and notifies an incoming call to a mobile phone terminal, and a wristwatch-type pager terminal that receives a call message have also been commercially available. In the case of wired telephone terminals, portable child devices such as parent and child telephones and cordless telephones that allow wireless communication between the parent device and the child device have also come to appear.

[0004]

Therefore, under such circumstances, it would be technically possible to improve portability and prevent misplacement, for example, by using a wristwatch type mobile phone terminal. However, when the mobile phone terminal is of a wristwatch type, it is necessary to hold the wrist at the position of the ear by bending the arm on which the terminal is attached at the time of transmission and reception, and is forced to take an impossible posture at the time of transmission and reception. I will. Of course,
If you remove the wristband from your arm and talk, you will not be forced to take an unreasonable posture, but you must release the buckle of the wristband and remove it from your arm each time you talk, or put the wristband on your arm again after the call ends It is necessary to wind and operate the buckle to mount the buckle, which deteriorates usability.

[0005] The present invention has been made in view of such problems, and provides a communication terminal device capable of improving portability without being forced to use an excessive posture during use or deteriorating usability. It is intended to do so.

[0006]

According to the first aspect of the present invention, there is provided a support which can be mounted on a body and a communication means which is detachably supported by the support. It consists of a terminal body. Therefore, the terminal body can be worn on the body and carried while being supported by the support. In use, the terminal body may be detached from the support body while the support body is attached to the body, and the terminal body may be supported again after use, thereby ensuring excellent usability.

Further, in the invention according to the second aspect, the support is imitated in a shape suitable for being worn by a user on an arm.
Therefore, excellent usability is ensured while improving portability and preventing misplacement.

[0008] Further, the terminal body includes a receiving means for receiving a voice signal, a voice reproducing means for reproducing a voice based on the voice signal received by the receiving means, a voice for detecting the voice and generating a voice signal. It comprises a signal generating means and a transmitting means for transmitting the audio signal. Therefore, when the terminal body is detached from the support and used, it can be used with a feeling similar to that of a general mobile phone terminal.

[0009] In the invention according to claim 4, the receiving means further receives data, and the terminal body further includes a display means for displaying the received data. Therefore, the data can be viewed while the terminal body is supported by the support or separated from the support.

Further, in the invention according to claim 5, the audio reproducing means is a speaker, and the audio signal generating means is a microphone, and the speaker and the microphone are arranged on the back side of the terminal body. I have. Therefore, when the terminal body is supported by the support, the speaker and the microphone are not exposed, which is preferable in design.

[0011] In the invention according to claim 6, the terminal body includes an image pickup means for picking up a subject image. Therefore, by removing the terminal body from the support and using the terminal body, the terminal body can also function as an imaging device.

Further, in the invention according to claim 7, the detecting means for detecting the detachment of the terminal main body and the control means for controlling the operation of the terminal main body based on the detection of the detachment by the detecting means are provided. Further provision. Therefore, when the terminal body is removed from the support at the time of use, the terminal body operates without the need for key operation or the like.

Further, in the invention according to claim 8, when the detachment of the terminal body from the support is detected, the control means forms an off-hook state in which the voice signal can be transmitted and received. . Therefore, when an incoming call is received, a call can be made only by removing the terminal body from the support.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) As shown in FIGS. 1 and 2, a terminal device 1 according to the present embodiment is of a wristwatch type, and includes a holder 2 and a terminal body detachably supported by the holder 2. 3 is comprised. One end of the wristbands 21 and 21 is fixed to opposite ends of the holder 2, and a buckle 22 is locked to one end of the wristband 21 as shown in FIG. 3. ing. The upper surface of the holder 2 is formed with a circular concave portion 23 into which the terminal main body 3 is fitted, and a pair of lock concave portions 24, 24 are formed at opposing portions of the circular concave portion 23.

The terminal body 3 has a circular recess 23 on its bottom surface.
The circular convex portion 33 is provided with an on / off hook detection switch 31. The on / off hook detection switch 31 is urged in a projecting direction by a spring 32, and is turned off (off hook) in a protruding state and turned on (on hook) in a retracted state.

A lock mechanism 3 is provided on the periphery of the terminal body 3 and at a portion corresponding to the lock recesses 24, 24.
4 and 34 are provided. This lock mechanism 34 includes:
A lock member 37 having an unlock button 35 at one end and a lock claw 36 at the other end is slidably provided, and a spring 38 for urging the lock member 37 in a protruding direction is provided. Have been. Therefore,
As shown in FIG. 2A, the terminal main body 3 is fitted into the circular concave portion 23 of the holder 2 and the lock claw 36 is engaged with the lock concave portion 24 so that the terminal main body 3 2 is locked. In addition, the lock button 37 is pressed to release the lock member 37 from the spring 3.
8, the lock claw 36 is disengaged from the lock recess 24 (unlocked), and the terminal body 3 can be removed from the holder 2.

On the other hand, a display section 39 is provided substantially at the center of the upper surface of the terminal body 3, and an off-hook switch 40 and an on-hook switch 41 are provided at one end, and a display is provided between the hook switches 40 and 41. A selection operation unit 42 is provided. At both ends of the terminal body 3, a front speaker SP1 as a receiver and a front microphone MC1 as a transmitter are provided. Further, a plurality of keys 47 and 48 are provided on the periphery of the terminal body 3.

As shown in FIG. 4 (B), a rear speaker S, which is a receiver, is provided at the center of the rear surface of the terminal body 3.
P2 is arranged, and a back-side microphone MC2 as a transmitter is arranged at the back-side end.

The terminal body 3 is, as shown in FIG.
It can communicate with the wireless base station 4 and connect to the network 5, and can communicate with other portable terminals 7, and has a built-in circuit unit 50 for enabling these communications. FIG.
Is a block diagram showing a configuration of the circuit unit 50. As shown in the figure, the circuit section 50 is provided with a CPU 52 connected to a bus 51. Further, a transmission / reception unit 52, a communication processing unit 53, a program memory 54, a clock unit 55, a display I / F 56, a driver 57,
IM card 58, on / off hook detection switch 3
1, a lock / unlock detection switch 59, a data memory 60, an input / output I / F 61, an operation input unit 62, a speech decoding code processing unit 63, and a switch control unit 64 are connected.

The transmitting / receiving unit 52 includes an antenna 65 for transmitting / receiving a radio wave on which a voice signal is superimposed with the radio base station 1.
The received audio signal is supplied to the low noise amplifier 67 via the transmission / reception duplexer 66, and is demodulated by the demodulation unit 69 which receives the signal from the synthesizer 68 and operates,
The data is equalized by the equalizer 70 and is supplied to the communication processing unit 53 which performs channel coding / decoding. Also, the transmission audio signal encoded by the communication processing unit 53 is supplied with a signal from the synthesizer 68 to operate the modulation unit 71.
Are amplified by the power amplifying unit 72 and radiated from the antenna 65 via the transmission / reception duplexer 66.

The program memory 54 is composed of a ROM and has an area for storing application software, an upper layer protocol, and driver software. The CPU 52 executes various components based on various programs stored in the program memory 54. Control.
The clock unit 55 measures the current time.
The display I / F 56 is connected via the display driver 73 to the display unit 39 composed of an LCD. And CPU
When the display driver 73 drives the display unit 39 under the control of 52, various information, characters constituting mail, and the like are displayed on the display unit 39. The driver 57 includes a CPU 405
Under the above control, the LED 74 and the vibrator motor 75 are driven, and the vibrator motor 75 rotates and generates vibration when the ring-tone OFF mode is set.

The SIM card 58 stores subscriber information such as the terminal ID of the parent terminal A. The on / off hook detection switch 31 is a switch that is turned off (off hook) when protruding, and turned on (on hook) when retreating. Lock / unlock detection switch 59
Is a switch for detecting lock and unlock of the lock mechanisms 34, 34. Data memory 60 is RAM
The memory 52 stores various data such as memory dial information and received data including a plurality of call destination names and telephone numbers, and is used as a work area of the CPU 52. The input / output I / F 61 is an interface for inputting and outputting data to and from external devices connected to the terminal body 3.
On-hook switch 41, display selection operation unit 42, key 4
7 and 48 are input.

The switch control unit 64 includes a front speaker SP1 and a front microphone MC1, and a back speaker SP.
2 and the back side microphone MC2 are connected. When the off-hook switch 40 is operated with the terminal body 3 attached to the holder 2, the switch control unit 64
The front speaker SP1 and the front microphone MC1 are connected, and the rear speaker SP2 and the rear microphone MC2 are shut off. When the terminal main body 3 is removed from the holder 2 and the on / off hook detection switch 31 is turned off (off hook), the back side speaker SP2 and the back side microphone MC2 are connected, and the front side speaker MC2 is connected. SP1 and the front microphone MC1 are cut off.

FIG. 6 is a flowchart showing the operation of the terminal body 3. That is, the incoming call control channel (PC)
H) is searched (step S1), and it is determined whether the searched incoming call control channel (P-CH) is the channel having the highest reception strength (step S2). If the channel has the highest reception intensity, it is determined whether or not the current reception channel is the same as the previous reception channel (step S3). If not, the location is registered (step S4). If they are the same, since the location registration has already been performed, the current paging control channel (P-CH) is selected and set without performing the processing of step S4 (step S5). Thereafter, a standby process (step S6) is executed, and the process shifts to a standby state.

In this standby state, it is constantly monitored whether communication is possible on the selected channel (step S7).
When the communication becomes impossible, the processing from step S1 is executed again. If it is in a communicable state, it is determined whether there is an outgoing call or an incoming call (steps S8, S9),
If there is a call, a call process is executed (step S1).
0), if there is an incoming call, an incoming call process is executed (step S11). Subsequently, a telephone call or data communication is performed (step S12). At this time, when the base station with which the communication is performed changes due to movement during the telephone / data communication, the channel is switched (step S13). Until the call or data communication is completed (step S13),
A call / data communication process is executed (step S12), and when the call or data communication is completed (step S14).
Is YES), and after the end-of-call processing is executed (step S1)
5), and transition to a standby state (step S6).

Therefore, when the user U wears the terminal device 1 on his / her wrist as shown in FIG. 7 with the terminal body 3 engaged with the holder 2, in the above-mentioned flowchart, the incoming call in step S 11 is received. FIG. 7 (A)
As shown in -1), a ring tone (RRR...) Is generated. Then, when the user U who has received the ring tone presses the lock buttons 35, 35, the lock member 37 slides against the spring 38, and the lock claw 36 is disengaged from the lock recess 24. Therefore, as shown in FIG. 2B, by lifting the terminal body 3 while pressing the lock buttons 35, 35, the terminal body 3 can be removed from the holder 2.

When the terminal body 3 is detached from the holder 2 in this manner, the on / off hook detection switch 31 projects and goes off (off hook), and the back side speaker SP2 and the back side microphone MC2 are connected. . Therefore, the process of step S12 is executed in the flowchart, and as shown in FIG. 7 (2), the user U puts the back side of the detached terminal body 3 on the ear to have a conversation, and It is possible to make a call in a comfortable posture as in the terminal.

When the call is over, the circular protrusions 33 of the terminal main body 3 are fitted into the circular recesses 23 of the holder 2 while pressing the lock buttons 35, 35, and the hands are released from the lock buttons 35, 35. When the lock member 37 is released, the lock member 37 is slid by being urged by the spring 38, and the lock claw 36 is engaged with the lock recess 24 to be locked (FIG. 7 (3)).
reference). As a result, the terminal main body 3 is in a state of being engaged with the holder 2. When the terminal body 3 is engaged with the holder 2, the on / off hook detection switch 31 comes into contact with the bottom of the circular concave portion 23 and is turned on (on-hook). Will be performed.

When the user U operates the display selection operation unit 42 to read out the telephone number of the call destination from the memory dial information and operates the off-hook switch 40 while the terminal body 3 is engaged with the holder 2. As shown in FIG. 7 (1-B), a call is made from the terminal device 1, and the call processing in step S10 is performed in the flowchart.
Therefore, thereafter, as described above, the terminal main body 3 is detached from the holder 2 as shown in FIG. 7 (2), and a call is carried out. As shown in FIG. The main body 3 is engaged with the holder 2.

When the data communication is performed in step S12, if the off-hook switch 40 is operated while the terminal main body 3 is engaged with the holder 2, the display unit 3
9, the received data is displayed, which can be easily visually recognized in the same posture as when the time is visually recognized on a wristwatch.

FIGS. 8 to 10 show examples of the stack configuration for each application. FIG. 8 shows a dial-up (net connection) protocol.
On the data terminal 101 side, a display unit 102, an operation unit 103
Is provided with a data terminal function unit 104 to which an application (modem driver) is connected.
105 is connected. Dialing & Control 106, SDP 107, RECO
The MM 108, L2CAP 109, LMP 110, and baseband / LC 111 are inserted, and the antenna 113 is connected to the RF unit 112. Also, on the gateway 121 side, similarly to the data terminal 101 side, the application 125 and the RF
Dialing & Control 126, SDP12
7, RECOMM128, L2CAP129, LMP1
30, baseband / LC131 interposed, RF unit 1
The antenna 133 is connected to 32. A wireless modem device 134 and a modem device 135 are connected to the application 125, and the modem device 135 is connected to the network 137 via the NCU device.

FIG. 9 shows a LAN / Internet connection configuration. On the client 201 side, an application 202, a TCP & UDP 203, and an IP 204 are provided.
07, RFCOMM208, L2CAP209, LMP
210, a baseband 211, and an RF unit 212 are provided, and an antenna 213 is connected to the RF unit 212. On the access point 221 side, a PPPNetWorking 224 corresponding to the IP 204 is provided, and similarly to the client 201 side, the ME 22
5 in PPP226, SDP227, RFCOMM22
8, L2CAP229, LMP230, Baseband 2
31 and an RF unit 232 are provided, an antenna 233 is connected to the RF unit 232, and a PPPNetWork is also provided.
The LAN 234 is connected to the ing 224. On the server 241 side, the corresponding application 242, TCP & UD
A P 243, an IP 244 and a LAN 253 are provided, and each of the LANs 234 and 253 is connected to a network 246 via a firewall 254.

FIG. 10 shows an example of the configuration of a file transfer / sync protocol. On the client 261 side, a main body function unit 164 to which a display unit 162 and an operation unit 163 are connected is provided. To the main body function unit 164, an application <client> (file transfer / sync) 165 is connected. OB between application 165 and RF unit 172
EX / IrMC166, SDP167, RECOMM1
68, L2CAP 169, LMP 170, baseband / LC 171 are interposed, and antenna 17
3 are connected. Also, the server 181 has an OB between the application <server> (file transfer / sync) 185 and the RF unit 192 corresponding to the client 161.
EX / IrMC186, SDP187, RECOMM1
88, L2CAP 189, LMP 190, and baseband / LC 191 are inserted, and the main body function unit 284 is connected to the application <server> (file transfer / sync) 185.

(Second Embodiment) FIGS. 11 to 13 show
9 shows a second embodiment of the present invention, and has an imaging function. That is, as shown in FIGS. 11 and 12, the terminal device 81 according to the present embodiment includes a holder 82 and a terminal body 83 detachably supported by the holder 82. The holder 82 has the same configuration as the holder 2 of the first embodiment described above. Also,
The terminal main body 81 has all the components of the terminal main body 1 according to the first embodiment described above, and further includes an imaging device 84 at an end of the terminal main body 83. Note that the front speaker SP1 is provided at a position avoiding the imaging device 84.

FIG. 13 is a block diagram showing the configuration of the circuit section 90 built in the terminal main body 83. In this block diagram, the same parts as those of the circuit unit 50 of the terminal body 3 in the first embodiment shown in FIG. That is, the circuit section 90 of the terminal main body 83 according to the present embodiment differs from the first embodiment only in that the imaging device 84 is connected to the bus 51. The imaging device 84 includes a lens unit 85, an image sensor 86, an A / D converter 87, an image processing unit 88, and an image data memory 89. The image processing unit 88 and the image data memory 89 are connected to a bus 51. It is connected to the.

Therefore, according to the terminal device 81 of the present embodiment, it is not possible to generate the same function as the terminal device 1 of the above embodiment, and the terminal unit 81 is connected to the image sensor 86 by the lens unit 85. The imaged subject image can be displayed on the display unit 39 or stored in the image data memory 89, and the image data can be transmitted. In addition, as described above, since the terminal main body 83 can be removed from the holder 82, by removing the terminal main body 83 from the holder 82, an image can be taken in a free posture.

When the terminal main body 83 is removed from the holder 82, the on / off hook detection switch 31 is turned off (off hook). However, if the on / off hook detection switch 31 is pushed with a finger, the on / off hook detection switch 31 is turned on (on hook). Become. Therefore, there is no problem if an image is taken while holding the on / off hook detection switch 31 with a finger. Further, since the circuit section 90 is provided with a lock / unlock detection switch 59 for detecting lock and unlock of the lock mechanisms 34, 34, based on a signal from the lock / unlock detection switch 59, In the locked state, the power of the imaging device 84 is turned off, and the imaging device 84 is turned on in the unlocked state.
4 may be turned on and turned off in the unlocked state.

[0038]

As described above, the present invention comprises a support which can be worn on the body and a terminal body which is detachably supported by the support and has communication means. The terminal body can be detached from the support while being supported on the body while being worn on the body while being supported by the user.

Since the user wears the support on the arm to imitate a suitable shape, excellent usability can be secured while improving portability and preventing misplacement. By detaching and using the terminal main body from the support, it can be used with the same usability as a general mobile phone terminal. In addition, since the speaker and the microphone are arranged on the back side of the terminal body, when the terminal body is supported by the support, the speaker and the microphone are not exposed, which is preferable in design. can do.

Further, since the image pickup means is provided on the detachable terminal main body, the image pickup can be performed by detaching the terminal body from the support, and the image pickup can be performed in a free posture while improving portability.

[Brief description of the drawings]

FIG. 1 is a separation transition plan view of a first embodiment of the present invention.

FIG. 2 is a schematic diagram of the separation transition cross section.

FIG. 3 is a schematic sectional view showing a detachable structure of a terminal body and a holder.

4A is a front view of the terminal body, FIG. 4B is a back view thereof,
(C) is a diagram showing an operation state.

FIG. 5 is a block diagram showing a circuit configuration of a terminal body.

FIG. 6 is a flowchart showing a basic operation of the terminal body.

FIG. 7 is a transition diagram illustrating an example of use of the present embodiment.

FIG. 8 is a block diagram showing a dial-up (net connection) protocol.

FIG. 9 is a block diagram showing a LAN / Internet connection structure.

FIG. 10 is a block diagram showing a file transfer / sync protocol.

FIG. 11 is a plan view showing a second embodiment of the present invention.

FIG. 12 is a schematic cross-sectional view showing a detachable structure of the terminal body and the holder according to the embodiment.

FIG. 13 is a block diagram showing a circuit configuration of a terminal body in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Terminal device 2 Holder 3 Terminal main body 21 Wrist band 23 Circular recess 24 Lock recess 31 On / off hook detection switch 34 Lock mechanism SP2 Back side speaker MC2 Back side microphone

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5K011 AA05 GA01 GA05 GA06 JA01 KA12 5K023 AA07 BB03 FF04 HH07 PP02 PP03 PP12 5K101 KK03 LL12 NN06 NN18 NN40

Claims (8)

[Claims] 1. A communication terminal device comprising: a support body that can be worn on a body; and a terminal body detachably supported by the support body and provided with communication means. 2. The communication terminal device according to claim 1, wherein the support is imitated in a shape suitable for being worn by a user on an arm. 3. The terminal body includes a receiving unit that receives an audio signal, an audio reproducing unit that reproduces an audio based on the audio signal received by the receiving unit, and an audio that detects the audio and generates an audio signal. 2. The apparatus according to claim 1, further comprising a signal generator, and a transmitter for transmitting the audio signal.
Or the communication terminal device according to 2. 4. The apparatus according to claim 3, wherein said receiving means further receives data, and said terminal body further comprises display means for displaying said received data.
The communication terminal device according to claim 1. 5. The terminal according to claim 3, wherein the sound reproducing means is a speaker, and the sound signal generating means is a microphone, and the speaker and the microphone are arranged on a back side of the terminal body. Communication terminal device. 6. The communication terminal device according to claim 3, wherein the terminal body includes an imaging unit that captures a subject image. 7. The apparatus according to claim 1, further comprising: detecting means for detecting the attachment / detachment of the terminal body; and control means for controlling the operation of the terminal body based on the detection of the attachment / detachment by the detecting means. 7. The communication terminal device according to any one of 6. 8. The communication according to claim 7, wherein the control means forms an off-hook state in which the voice signal can be transmitted and received when the detachment of the terminal body from the support is detected. Terminal device.