JPH10334366A - Device for preventing portable telephone from being left - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a portable telephone from being left by generating an alarm tone at a device on the side of user when a distance between a user and the portable telephone gets longer than a fixed distance even in case that the user of portable telephone leaves his own seat while leaving the portable telephone on a desk or the like. SOLUTION: This device is provided with a portable telephone side device 10, which is attached to his own portable telephone 1 and has a transmission part, and a user side device 20 which is attached to the belt of his own watch 5 and mounts a reception part for receiving a signal transmitted from the transmission part and an alarm generating means for generating the alarm tone based on the reception output of this reception part, and this alarm generating means is constituted so as to generate the alarm tone when the portable telephone side device 10 and the user side device 20 are separated more than the fixed distance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a portable telephone from being left, and more particularly to a device for generating an alarm sound when a user moves away from a portable telephone by a certain distance or more.

[0002]

2. Description of the Related Art In an information-oriented society in recent years, rapid information exchange has become very important for business activities, and the development of telephones, facsimile machines, and the like as general communication means has been progressing rapidly. In. In particular, mobile phones that are currently in practical use have become so convenient that they cannot work without carrying them.

[0003] Specifically, in the past, when there was no mobile phone, various matters necessary for work were described in notebooks, notebooks, and the like. Since then, I no longer have a personal organizer. That is, the mobile phone has a function of storing various information such as the name and telephone number of the other party, and can be used as a substitute for an address book or a notebook. For this reason, if you register the telephone number and name of the other party on your mobile phone, you can contact various places, you can also know your own location, and other people in the company can If you have a question, just call that mobile phone and you'll catch yourself.

[0004] Therefore, if you leave your mobile phone at home when you leave home in the morning or forget to take your mobile phone when you leave your office, you will often not be able to work all day. . In addition, there is a danger that the mobile phone will be used by people or the registered information will be stolen if this is lost.

[0005]

Therefore, a cord member always attached to a mobile phone for a handbag or the like is required.
If you keep it on a pants belt, you will not forget the mobile phone.However, when you use the mobile phone, you have to remove the strap member and remove the mobile phone from the pants belt. When a telephone call is received, it is not possible to respond quickly, and it is troublesome to remove the string member from the belt of the pants every time the telephone is used.

Further, if the mobile phone is put in a jacket or pants pocket and carried around without leaving the skin, it is possible to prevent the mobile phone from being left behind. Yes, it is cumbersome to always keep it in your pocket or the like, and it is often taken out of your pocket and placed on a desk or the like during a meal or during a meeting.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and causes the inconvenience of leaving a mobile phone in a pocket or the like without always removing the mobile phone from the user as described above. It is an object of the present invention to obtain a portable phone left-behind protector that can be avoided without any problem.

[0008]

According to the present invention (claim 1), a portable telephone left-behind protector is attached to or incorporated in a portable telephone and has a built-in transmitting unit for transmitting a predetermined signal. A telephone-side device, a receiving unit possessed by the user of the mobile phone, for receiving a transmission signal from the transmitting unit, and an alarm generating means for generating an alarm sound based on a reception output from the receiving unit are incorporated. With a user-side device,
The warning generating means is configured to generate a warning sound when the distance between the user device and the mobile phone device is equal to or longer than a predetermined distance.

According to a second aspect of the present invention, in the portable telephone left-behind prevention device according to the first aspect, the portable telephone side device is attached to a string member attached to the portable telephone. .

According to a third aspect of the present invention, in the portable telephone left-behind prevention device according to the first aspect, the portable telephone side device is incorporated in the portable telephone.

According to a fourth aspect of the present invention, there is provided the portable telephone device according to any one of the first to third aspects, wherein the user-side device has a case capable of being attached to a belt of a wristwatch. Having the receiving unit in the case,
The configuration is such that an alarm generating means and a battery as a power supply are accommodated.

According to a fifth aspect of the present invention, in the portable telephone left-behind protector according to any one of the first to fourth aspects, the user-side device has a pressing switch provided on the surface of the case. And the alarm generation means is
The generation of the alarm sound is stopped by a stop signal generated by the pressing operation of the pressing switch.

According to a sixth aspect of the present invention, in the portable telephone left-behind protector according to any one of the first to fifth aspects, the user-side device has a volume switch provided on a surface of the case. And the alarm generation means is
Receiving the reception output of the receiving unit, outputs a first level detection signal when the intensity is lower than a certain level, and outputs a second level detection signal when the intensity of the reception output is higher than a certain level. A detection circuit, and an alarm sound generator that starts generating an alarm sound when receiving the first level detection signal and stops generating an alarm sound when receiving the second level detection signal. The alarm sound generator is configured so that the volume of the alarm sound can be adjusted by operating the volume switch.

[0014]

Embodiments of the present invention will be described below. FIGS. 1 to 3 are views for explaining a portable phone left-behind protector according to an embodiment of the present invention.
FIG. 2 is a diagram showing the overall configuration of a portable phone left-behind prevention device according to the present embodiment, and FIGS. FIGS. 3 (a) to 3 (f) are explanatory views of a user-side device constituting this portable telephone left-behind protector.

In FIG. 1, reference numeral 100 denotes a portable telephone left-behind protector according to the present embodiment. The portable telephone side device 10 mounted on the portable telephone 1 and the use worn by the user U of the portable telephone 1 are shown. And the user-side device 20.

As shown in FIG. 2A, a string member 2 for hanging the mobile phone 1 or hanging it on a hand is attached to the upper side of the housing of the mobile phone side device 10. I have. As shown in FIG. 2 (b), the string member 2 has a hand-side string portion 2c formed on one end and forming a loop through which a human hand can pass, and a string formed on the other end.
It is composed of a case-side string portion 2b which forms a loop smaller than the hand-side string portion 2c, and a resin connecting member 2a for joining these strings. Here, the hand side string portion 2c
Is made of a belt-like body made of synthetic fibers, and the casing-side string portion 2b is made of a round core made of synthetic fibers.

The string portion 2 on the hand side of the string member 2
The mobile phone side device 10 constituting the mobile phone left-behind prevention device 100 is attached to c. As shown in FIG. 2 (e), the mobile phone-side device 10 has a rectangular parallelepiped resin case body 10a having an opening 10a1 on one side (front surface) side, and is accommodated in the case body 10a. , A transmitting unit 11 for transmitting a predetermined signal, a power supply 12 for driving the transmitting unit 11, and a surface opening 10a1 of the case body 10a.
And a sliding-type resin case lid 10b that opens and closes. Here, a button battery is used as the power source 12. Further, the opening 10a1 of the case body 10a is provided.
As shown in FIG. 2 (d), a horizontally long rectangular string insertion hole 10c for inserting the hand side string portion 2c of the string member 2 is formed on the side surface (back surface) opposite to the above.
Then, as shown in FIG. 2 (c), the cell phone side device 10 inserts the string side hand portion 2c of the string member 2 into the string insertion hole 10c of the case main body 10a.
It is attached to the string member 2.

Reference numeral 20 denotes a user-side device constituting the portable telephone left-behind protector 100 (FIGS. 3A and 3B).
), The resin case body 20 of the user-side device 20.
As shown in FIG. 3 (c), a receiving unit 2 for receiving a transmission signal from the transmitting unit 11 of the portable telephone side device 10 is provided in a.
1. An alarm generating means 27 for generating an alarm sound based on a reception output from the receiving section 21 and a button battery 25 as a power supply for driving the alarming means 27 are accommodated.

The alarm generating means 27 receives the reception output, outputs a first level detection signal when the intensity of the reception output falls below a predetermined level, and outputs a second level detection signal when the intensity of the reception output exceeds a predetermined level. A detection circuit 22 for outputting a level detection signal, and an alarm sound for starting generation of an alarm sound when receiving the first level detection signal and stopping generation of an alarm sound when receiving the second level detection signal. And a generator 23. Here, the predetermined level of the reception output is such that the distance between the mobile phone side device 10 and the user side device 20 is 5 m.
The signal level is output by the receiving unit 21 when the level reaches the level.

The alarm sound generator 23 has first and second push switches 23a1 and 23a2 arranged so as to protrude from the side surface of the case main body 20a. By pressing both push switches simultaneously while the sound is being generated, the generation of the alarm sound is stopped, and the volume of the alarm sound is generated by pressing the first press switch 23a1 while the alarm sound is being generated. Is increased and the second push switch 23a is in the alarm sound generation state.
It is configured that the volume of the alarm sound is reduced by the pressing operation of 2.

The resin case body 20a of the user side device 20 has a structure that can be attached to a belt 5a of a general wristwatch 5, and the resin case body 20a has A rotation pressing piece 24 made of resin for holding the belt 5a between the case main body 20a and the case main body 20a and fixing the case main body 20a to the belt 5a is provided.

As shown in FIG. 3 (e), the rotation pressing piece 24 is formed integrally with the resin case body 20a, and one end of the rotation pressing piece 24 is bent to the resin case body 20a by a connecting portion 20d. It is connected to possible,
The other end portion 24a is bent, and a locking projection 24a1 is formed at the tip of the bent portion. The locking projection 24a1 is inserted into an engagement hole 20a2 formed at a predetermined position on the back surface of the case body 20a.
Is pressed into the engagement hole 20a2. The engaging projection 24a1 and the engaging hole 2
0a2 means that once they are engaged, the distal end portion 24a is engaged with the engaging hole 20a2 to the extent that vibration caused by human movement or some external force acts on the rotation pressing piece 24.
(See FIGS. 3 (d) and 3 (e)).

Therefore, the locking projection 2 of the rotation pressing piece 24 is provided.
When the engagement hole 4a1 and the engagement hole 20a2 of the case body 20a are engaged with each other, the rotation pressing piece 24 and the case body 20a sandwich the belt 5a of the wristwatch 5 located therebetween, thereby the case body 20a is fixed to the belt 5a. Further, the rotation pressing piece 24 is pulled in a direction in which the distal end portion 24a is pulled out with a relatively strong force, so that the locking projection 24a1 and the case body 2 are pulled out.
0a is elastically deformed with the portion where the engagement hole 20a2 is formed,
The engagement between the locking projection 24a1 and the engaging hole 20a2 is released, and the tip portion 24a can be pulled out from the engaging hole 20a2.

A resin case lid 20b for opening and closing the opening 20a1 of the case body 20a is attached to the front side of the case body 20a. The case lid 20b is formed by integral molding with the case body 20a, and one end of the case lid 20b is connected to a connecting portion 20c.
The case cover 20b is rotatably connected to a part of the case body 20a. The other end of the case cover 20b is closed by the case cover 20b with the opening 20a1 of the case body 20a closed. An engaging claw 20b1 is formed to engage with an engaging projection 20a11 formed on a part of the peripheral edge of the head. The engaging claw 20b1 and the engaging protrusion 20a11
By this engagement, the case lid 20b is kept in a state of closing the case body opening 20a1.

In the present embodiment, the transmission output of the transmitting section 11 of the portable telephone device 10 is designed to be about 0.01 W. If the distance from the user-side device 20 is within 5 m, the transmission output from the mobile phone-side device 10 is:
The receiving unit 21 of the user device 20 can sufficiently receive. Further, if the button battery is used as the power source of the mobile phone device 10 and the user device 20 as described above, it is possible to obtain a mobile phone misplacement prevention device that can be used for about one month with one exchange of the button battery. Can be. Further, the alarm generating means 2
7, after the user U is separated from the mobile phone 1 by 5 m or more,
When the vehicle approaches the distance within 5 m again, the generation of the alarm sound is automatically stopped.

The mobile phone-side device 10 and the user-side device 20 each form a case body by resin molding, and mount a board on which a required circuit is mounted and a battery in the case body. Thus, it can be easily manufactured.

The sound generator of the alarm sound generator 23, which is currently in practical use and generates a sound by vibrating a single thin plate, is used. The whole can be made compact.

Next, the operation will be described. First, the user U of the mobile phone 1 attaches the string member 2 to which the mobile phone side device 10 of the mobile phone left behind device 100 is attached to his / her mobile phone 1, and also prevents the mobile phone from being left behind. The user side device 20 of the device 100 is attached to the belt 5a of the watch 5 of the user.

A method of attaching the user device 20 to the belt 5a of the wristwatch 5 will be briefly described. First, the engagement state between the engagement hole 20a2 of the case body 20a of the user side device 20 and the locking projection 24a1 at the tip of the rotation pressing piece 24 is released, and the belt 5a of the wristwatch 5 is released.
Is sandwiched between the rotation pressing piece 24 and the back surface of the case body 20a, and the distal end 24a of the rotation pressing piece 24 is
0a into the engaging hole 20a2, and
The locking projection 24a1 is locked in the engaging hole 20a2. Thus, the user side device 20 is attached to the belt 5a of the wristwatch 5.
Is fixed.

By doing so, as shown in FIG. 1, when the user U attempts to leave the mobile phone 1 on a desk or the like, the distance R between the mobile phone 1 and the user U is increased.
Is longer than a predetermined distance (5 m in the present embodiment), the alarm generation means 27 of the user device 20 generates an alarm sound.

That is, in the user-side device 20, the receiving unit 21 always receives the transmission signal from the transmission unit 11 of the mobile-phone-side device 10 attached to the mobile phone 1, and responds to the intensity of the received signal. The level signal is sent to the alarm generating means 27.
Is output to the detection circuit 22 of FIG. In such a situation, as the distance R between the mobile phone 1 and the user U increases, the intensity of the received signal output from the receiving unit 21 drops below a certain level. When the decrease in the level of the received signal corresponds to the distance of 5 m or more in the set range, the alarm generating means 27 generates an alarm sound.

Accordingly, the user U recognizes that the distance R between the mobile phone 1 and the user has exceeded the set distance, and immediately returns to picking up the mobile phone 1 if the user has left the mobile phone 1 behind. Can be. At this time, when the user U approaches the distance within 5 m again after separating from the mobile phone 1 by 5 m or more, the generation of the alarm sound is automatically stopped. Also, if the user is allowed to leave the place with the mobile phone 1 left, if the user leaves the mobile phone 1 as it is, the alarm sounds continuously, so the push switches 23a1 and 23a2 are simultaneously pressed. To stop generating the alarm sound.

As described above, in the portable telephone left-behind prevention device 100 of the present embodiment, the portable telephone 1 is attached to its own portable telephone 1.
A mobile phone-side device 10 having a transmitting unit 11, a receiving unit 21 attached to a belt 5a of a watch 5 of the user, receiving a transmission signal from the transmitting unit 11, and generating an alarm sound based on a reception output of the receiving unit 21. A user-side device 20 equipped with an alarm generating means 27 for performing
When the mobile phone-side device 10 and the user-side device 20 are separated from each other by a certain distance or more, an alarm sound is generated, so that the user U of the mobile phone 1 forgets to place the mobile phone 1 on a desk or the like, and Even when the user leaves the seat, when the distance R between the user U and the mobile phone 1 becomes a certain distance or more, the user side device 20
In this case, an alarm sound is generated, which can prevent the user U of the mobile phone 1 from leaving the mobile phone 1 and going out.

The signal communication between the portable telephone device 10 and the user device 20 allows the user U and the portable telephone 1 to communicate with each other.
It is not necessary for the user U to always keep the mobile phone 1 in a pocket or the like, so that the user U keeps the mobile phone 1 on his side when not in use. Even so, it is possible to prevent the mobile phone 1 from being left behind.

In this embodiment, the user device 2
Since the distance between the user U and the mobile phone 1 is set to about 5 m when 0 generates an alarm sound, the alarm sound of the portable phone misplacement protector 100 frequently occurs, which is troublesome. There is no such thing. That is, usually, the user U of the mobile phone 1 keeps the mobile phone 1 at a place where the user can reach it by reaching his hand, so that the distance between the user U and the mobile phone 1 is 5 m as described above. By setting the value to the degree, frequent generation of the alarm sound can be avoided.

Further, in this embodiment, since the user side device 20 of the portable telephone left-behind protector 100 is configured to be attachable to the belt 5a of the wristwatch 5, the portable telephone left-behind protector 100 is provided. It can be highly usable.
In other words, most people wear wristwatches while awake, especially while working, and when removing wristwatches, they are limited to rare cases such as when taking a bath. ,
By attaching the user-side device 20 to the wristwatch 5, it is possible to more effectively use the portable phone left-behind prevention device as compared with a case where the user-side device 20 is attached to other personal items such as a fountain pen.

Also, when taking a bath or the like, the removed wristwatch is put in a locker or the like together with the mobile phone 1 so that the alarm sound of the mobile phone misplacement protector 100 can be made unimpaired. Can be avoided.

In the above embodiment, the portable telephone side device 10 of the portable telephone left-behind protector 100 is replaced with the portable telephone 1.
Although the device attached to the cord member 2 is shown, the mobile phone device 10 may be attached to the back surface of the mobile phone 1 with a double-sided adhesive tape. In addition, the mobile phone side device 1
0 may be incorporated in the mobile phone 1, in which case the battery of the mobile phone 1 can be used as the power source of the mobile phone device 10.

In the above embodiment, the case main body 20 of the user-side device 20 of the portable telephone left-behind prevention device 100 is used.
a has a structure having a rotation pressing piece 24 formed on the back side thereof, and the case body 20a is attached to the wristwatch 5 by sandwiching the belt 5a of the wristwatch 5 between the rotation pressing piece 24 and the back surface of the case body 20a. 5 is fixed to the belt 5a, but a pair of bendable strip-shaped metal pieces 28a and 28b are provided on the back side of the case body 20a of the user side device 20 as shown in FIG. Alternatively, the pair of metal pieces may be bent so as to sandwich the belt 5a of the wristwatch 5 to fix the case body 20a to the wristwatch belt.

In the above-described embodiment, the user device 20 is shown as being worn on the belt 5a of the wristwatch 5, but the configuration of the user device 20 is not limited to this. For example, the user-side device 20 may be a brooch worn by a female person, or a decorative device that can be used as a tie pin or cuff button worn by a male person. And the like may be configured such that the receiving unit, the alarm generating means, and the power supply are built therein, and this may be used as the user side device 20.

Further, as shown in FIG.
The holding portion (hand side portion) 31 has a configuration in which the receiving portion and the alarm generating means are built-in, and a button battery as a power source can be accommodated, and this hand side portion 31 itself is used by the user in the above embodiment. The device 20 may be used. In FIG. 4, the same reference numerals as those in FIG. 3 denote the same components, 32 denotes a mounting portion for the key K, and 33 denotes a connecting member that connects the grip portion 31 and the mounting portion 32.

In the above-described embodiment, the power source of the portable telephone device 10 is a button battery built in the case body 10a. However, the portable telephone device 10 is connected to the battery of the portable telephone by a cable or the like. The mobile phone may be connected to use the battery of the mobile phone as a power source for the mobile phone device 10.

[0043]

As described above, according to the portable telephone left-behind prevention device according to the present invention (claim 1), a portable telephone side device having a built-in transmitting unit, which is attached to the portable telephone, and the use of the portable telephone. A receiving unit for receiving a transmission signal from the transmitting unit, and a user device incorporating a warning sound generating means for generating a warning sound based on a reception output from the receiving unit. The alarm generating means is configured to generate an alarm sound when the distance between the user device and the mobile phone device is equal to or greater than a predetermined distance, so that the mobile phone can be left unplaced. It is possible to prevent a telephone from being kept in a pocket or the like without leaving the body, or being connected to a part of clothing without inconvenience.

Further, according to the present invention (claim 2), in the portable telephone misplacement prevention device according to claim 1, the portable telephone side device is attached to a string member attached to the portable telephone. Therefore, it is possible to easily attach the mobile phone device to the mobile phone.

According to a third aspect of the present invention, in the portable telephone left-behind protector according to the first aspect, the portable telephone side device is built in the portable telephone, so that the driving power supply of the portable telephone side device is provided. As you can use the cell phone battery.

According to the present invention (claim 4), claim 1
4. The portable telephone device according to any one of claims 1 to 3, further comprising a case having a structure in which the user-side device can be attached to a belt of a wristwatch. , And a battery as a power source, so that the user-side device is attached to what the user of the mobile phone always wears, and this device for effectively preventing the portable phone from being left behind is effectively used. Can be used.

According to the present invention (Claim 5), Claim 1
5. The device for preventing a portable telephone from being left according to any one of claims 4 to 4, wherein the user-side device has a pressing switch provided on a surface of the case, and the alarm sound generating means is pressed by the pressing switch. Since the generation of the alarm sound is stopped by the stop signal due to the operation, it is possible to prevent the alarm sound from staying on.

According to a sixth aspect of the present invention, in the portable telephone left-behind prevention device according to any one of the first to fifth aspects, the user-side device includes a volume switch provided on a surface of the case. The volume of the alarm sound can be adjusted by operating the volume switch, so that the volume of the alarm sound can be adjusted according to the place or time zone. can do.

[Brief description of the drawings]

FIG. 1 is a diagram for explaining the overall configuration and operation of a mobile phone left-behind prevention device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a portable telephone side device constituting the portable telephone left-behind prevention device.

FIG. 3 is an explanatory diagram of a user-side device constituting the above-mentioned portable telephone left-behind prevention device.

FIG. 4 is a view for explaining a portable telephone left-behind prevention device as a modified example of the present embodiment, in which a grip portion (hand side portion) of a key holder is the user-side device of the above embodiment. Showing things.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cellular phone 2 String member 2a Connecting part 2b Case side string part 2c Hand side string part 5 Watch 5a Wristwatch belt 10 Cellular phone side device 10a, 20a Case body 10a1, 20a1 Case body opening 10b, 20b Case cover 10c String insertion hole DESCRIPTION OF SYMBOLS 11 Transmission part 12, 25 Button battery (power supply) 20 User side apparatus 20a1 Case main body opening 20a2 Engagement hole 20a11 Engagement protrusion 20b1 Engagement claw 20c, 20d Connection part 21 Reception part 22 Detection circuit 23 Alarm sound generator 23a1, 23a2 Press switch 24 Rotating press piece 24a Tip 24a1 Engagement projection 100 Mobile phone misplacement prevention device

Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04M 1/00 H04M 1/02 C H04B 7/26 K 1/02 109T

Claims (6)

[Claims] 1. A mobile phone device which is attached to or built in a mobile phone and has a built-in transmission unit for transmitting a predetermined signal, and a transmission signal from the transmission unit carried by a user of the mobile phone. Receiving device, and a user device incorporating a warning generating means for generating a warning sound based on a reception output from the receiving device, wherein the warning generating device includes the user device and a mobile phone. A device for preventing a mobile phone from being left behind, wherein an alarm sound is generated when a distance from the side device is equal to or longer than a predetermined distance set in advance. 2. The mobile phone device according to claim 1, wherein said mobile phone device is attached to a string member attached to said mobile phone. vessel. 3. The device according to claim 1, wherein said device is incorporated in said mobile phone. 4. The device for preventing a portable telephone from being left behind according to claim 1, wherein the user-side device has a case having a structure attachable to a belt of a wristwatch. A portable telephone, wherein the receiver, the alarm generator, and a battery as a power supply are accommodated. 5. The mobile phone device according to claim 1, wherein the user device includes a pressing switch provided on a surface of the case, and the alarm generating unit includes a pressing switch. And a stop signal generated by a pressing operation of the pressing switch, wherein the generation of the alarm sound is stopped. 6. The mobile phone device according to claim 1, wherein the user-side device has a volume switch provided on a surface of the case, and the alarm generating means includes: Receiving a reception output of the receiving unit, outputting a first level detection signal when the intensity of the reception output is lower than a predetermined level, and outputting a second level detection signal when the intensity of the reception output is higher than the predetermined level. A detection circuit for
An alarm sound generator that starts generating an alarm sound when receiving the first level detection signal and stops generating an alarm sound when receiving the second level detection signal. The device for preventing a mobile phone from being left behind, wherein the generator is configured to adjust the volume of the alarm sound by operating the volume switch.