JPH10320669A - Portable elongation indicating method and its device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the portable elongation indicating method and its device which easily and immediately know the azimuth, distance, etc., of a separated object on a reception side by vision and also enables a search only on the reception side. SOLUTION: This device is equipped with a portable transmission device which internally has a transmitting circuit that always transmits a radio wave signal of characteristic frequency with its internal power source and a control circuit which internally has a receiving circuit for receiving the characteristic signal from the transmission device, sends this characteristic signal from the receiving circuit to a position direction display device for a directional search radar screen 5, and displays the azimuth, distance, and vertical level difference of the radio wave transmission source based upon the reception side. The device is provided with a portable radar reception device 9 equipped with a display and alarming operation circuit which projects the position and direction of the radio wave transmission source on the direction search radar screen 5 at the same time with an alarm sound generated by a sounding element when the transmission device is separated by longer than a set distance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable separation notification method and an apparatus for notifying the position of a target object when the target object is separated by a predetermined distance or more.

[0002]

2. Description of the Related Art In recent years, various information systems using transceivers using radio waves, such as microwaves, have been attempted as measures to prevent theft of private cars and valuables, the loss and abduction of children, and the unauthorized entry of houses. I have. Conventionally, as this kind of portable separation notification device, for example, Japanese Utility Model Laid-Open No. 3-309
No. 5, JP-A-3-66486, and the like, in which a sounding element or a sounding circuit that emits an alarm sound when a transmitting device is away from a receiving device by more than a set distance is provided on the receiving device side. And other pager-type ones which are provided with a notification device such as an alarm device on the transmitting device side.

[0003]

However, in the prior art, most of the information is mainly notified by hearing, and it is not possible to immediately know the direction, distance, etc. of the target object separated on the receiving side by visual observation. Had the problem of

Accordingly, the present invention has been made in view of the above-mentioned problems that existed in the past, and allows the receiving side to easily and immediately know the direction, distance, and the like of a separated target object with the naked eye. It is an object of the present invention to provide a portable distance notification method and a device therefor which can be performed.

[0005]

Therefore, according to the present invention, a portable transmitting device 1 for constantly transmitting a radio signal of a specific frequency by a built-in power supply P, and a specific signal transmitted from the transmitting device 1 are provided. And a portable radar receiver 9 for displaying the direction, distance, and upper and lower differences of the radio wave source with respect to the receiver on the direction finding radar screen 5, and the transmitter 1 is a radar receiver. The above-mentioned problem has been solved by generating an alarm sound when the vehicle is separated from the camera 9 by a set distance or more and simultaneously displaying the position and direction of the radio wave source on the direction detecting radar screen 5.

A portable transmitting device 1 having a transmitting circuit 2 built therein so that a radio signal of a specific frequency is constantly transmitted by a built-in power supply P, and a receiving circuit 3 for receiving a specific signal transmitted from the transmitting device 1 are provided. A control circuit 4 which is built-in and sends the unique signal from the receiving circuit 3 to the position / direction display device 6 on the direction finding radar screen 5 to display the direction, distance, and vertical difference of the radio wave source with respect to the receiving side. A portable radar having a display / notification operation circuit 7 for projecting the position and direction of the radio wave transmission source on the direction detection radar screen 5 simultaneously with the alarm sound from the sound emitting element 8 when the transmission device 1 is separated by a distance greater than or equal to a set distance. By providing the receiving device 9, the above-described problem has been solved.

Further, the radar receiver 9 has a transmitter 1 necessary for driving the display / notification operation circuit 7.
The above-mentioned problem was similarly solved by providing the directional distance range changing circuit 10 for variably setting the directional distance range.

[0008] The radar receiver 9 includes an identification code setting means 11 for setting a personal identification code number corresponding to the radio signal of the natural frequency, and a personal identification code preset by the identification code setting means 11. By driving the display and notification operation circuit 7 in accordance with the number, the above-described problem has been solved.

Further, the power source P of the transmitting device 1 is of a rechargeable type, a battery replaceable type or a combination type thereof,
Similarly, the above-mentioned problem has been solved.

Further, the transmitting device 1 includes a pendant,
Bracelets, necklaces, earrings, rings, watches, keys, key chains, cash cards, wallets, clothing and shoes, accessories, bags, bags, vehicles, houses, etc. Similarly, the above-mentioned problem has been solved.

The transmitting device 1 is attached to the bracelet B and a part of the bracelet B can be opened by an insertion operation of the magnet key M so as to be detachable from the arm. Was solved.

In the portable distance notification method and apparatus according to the present invention, a radio signal of a natural frequency constantly transmitted from the transmission circuit 2 of the transmission device 1 attached to the target object is transmitted to the radar reception device 9. The control circuit 4 is operated by the display / notification operation circuit 7 only when the transmitting device 1 is separated by a predetermined distance or more, and the unique signal is received from the reception circuit 3 to the position direction of the direction detecting radar screen 5. The signal is sent to the display device 6 to display the direction, the distance, the difference between the upper and lower levels of the radio wave source with respect to the receiving side, and the sounding element 8 generates an alarm sound.

The direction distance range changing circuit 10 built in the radar receiver 9 is provided with the display / notification operating circuit 7.
Is arbitrarily variably set in a direction distance range with the transmitting device 1 necessary for driving the transmission device 1.

Further, the identification code setting means 11 built in the radar receiver 9 drives the display / notification operation circuit 7 in accordance with a preset password code number, thereby preventing malfunction due to other unique signals. Let it.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. For example, as shown in a first embodiment shown in FIGS. (See FIG. 2 (a)), a small form such as a round, oval, column, square, etc. so that it can be attached to a portable accessory such as a bracelet B (see FIG. 2 (b)). A transmitting circuit 2 is built in so as to constantly transmit a radio signal of a frequency by, for example, continuous transmission or pulse transmission, and a portable transmitting device 1 which has been subjected to waterproof processing is formed. It is to be kept.

At this time, for example, when the transmitting device 1 is of a bracelet B type, a part of the transmitting device 1 can be opened by an operation of inserting a magnet key M or the like, for example, in order to facilitate attachment / detachment to / from the arm. When the pendant A type is used, for example, the vertical length is about 15 mm,
It is small with a horizontal length of about 8 mm and a width and thickness of about 5 mm. Note that a power switch (not shown) or the like may be provided in the transmission circuit 2 itself so that the power supply P can be used only when the mobile phone is carried.

As shown in FIG. 7, a receiving circuit 3 for receiving a unique signal transmitted from the transmitting device 1 is incorporated, and only when the transmitting device 1 is separated by a set distance or more, for example, The unique signal is sent from the receiving circuit 3 to the position / direction display device 6 by the control circuit 4 at the same time as an alarm sound such as a continuous alarm or an intermittent alarm, and the receiving side position (point Q in FIG. 1) displayed in the center portion is used as a reference. And then
The direction, the distance, the vertical difference, etc. of the radio wave transmission source are displayed as points on the direction finding radar screen 5 displaying the east, west, north and south (Fig. 1
For example, a display / notification operation circuit 7 for making the middle R point has a vertical length of about 150 mm, a horizontal length of about 60 mm, and a width of about 15 mm.
A portable radar receiver 9 having a size of about 20 mm is formed, and the radar receiver 9 is carried by a searcher.

The radar receiver 9 has an antenna 15
Is provided to improve the directivity of radio wave reception from the transmitting device 1, and 16 is an ON / OFF switch for battery power. Further, the alarm sound by the sounding element 8 always generates an alarm sound when the transmitting device 1 deviates from the search range by the radar receiving device 9 and is separated by a set distance or more,
On the other hand, when the point of the transmitting device 1 is displayed on the direction finding radar screen 5 when it is within the set distance (point R in FIG. 1).
Then, the alarm sound may be stopped.

Further, the direction detecting radar screen 5 displaying the east, west, north and south has a mechanism in which the display of the east, west, north and south changes (moves) like a compass when the receiving side moves.

The radar receiver 9 includes a directional distance range changing circuit 10 for variably setting a directional distance range with respect to a transmitting device necessary for driving the display and notification operation circuit 7, as shown in FIG. A search allowable distance range between the transmitting side and the receiving side is set to, for example, a 200 m zone by a distance volume button 12 or the like arranged below the direction detecting radar screen 5.
A single device such as a 500 m zone or a 1000 m zone can be arbitrarily selected. Note that individual models may be prepared according to the search allowable distance range between the transmitting side and the receiving side. For example, a CB21 radar receiver for a 200 m zone, a CB50 radar receiver for a 500 m zone, a CB100 radar receiver for a 1000 m zone, and the like.

Further, the radar receiving device 9 is provided with an auto alarm volume button 13 and the like so that the loudness of the alarm sound of the sound emitting element 8 can be arbitrarily changed, and also provided with a stop function by a reset button after confirmation. is there. The radar receiver 9 includes an identification code setting unit 11 for setting a personal identification code number corresponding to the radio signal of the natural frequency.
By driving the display / notification operation circuit 7 in accordance with the password code number set in advance by 1, a malfunction due to another unique signal is prevented.

At this time, the built-in power source P of the transmitting device 1 is of a rechargeable type, a battery replaceable type or a combination type thereof, and constantly transmits radio waves for 24 hours.
It can be used for three months. Specifically, in the present embodiment, the internal power supply P of the transmitting device 1 is a lithium battery, and the internal power supply P of the radar receiving device 9 is a manganese battery.

Further, the transmitting device 1 includes a pendant A
And bracelets B, for example, necklaces, earrings, rings, watches, keys, key holders, cash cards, wallets, accessories such as clothing and shoes, bags, bags,
It may be a portable small form that can be mounted on a vehicle, a house, or the like.

FIG. 3 shows a second embodiment, and the same components as those of FIGS. 1, 2 and 7 showing the first embodiment are denoted by the same reference numerals. Therefore, the detailed description is omitted. That is, a distance display unit 17 that displays a numerical value of the distance between the transmitting side and the receiving side by, for example, a liquid crystal display below the direction detecting radar screen 5 of the radar receiving apparatus 9, a height distance of the transmitting side based on the receiving side. Is displayed. From the numerical values of the upper / lower display section 18, it is clear that the transmitting side is located at the upper position to m, or at the lower position to m.

The receiving side position (point Q in FIG. 3) on the direction detecting radar screen 5 is disposed substantially lower (south side) than the center position. At this time, the transmitting side position can be displayed behind (south side) behind the receiving side position (point Q in FIG. 3). Furthermore, a distance volume button 12, an auto alarm volume button 13, a screen brightness adjustment button 14,
Further, a free zone adjustment switch button 21 for performing free zone control (see FIG. 6) by the direction distance range changing circuit 10 is provided. Reference numeral 16 denotes an ON / OFF switch for a battery power supply, and the radar receiver 9 itself is compact and smart overall, and maintains a semi-permanent continuous use state with low power consumption.

The above-mentioned free zone adjustment switch button 21 has a separation range of 5 to 10 m, 10 to 10 m on the transmitting side, for example.
The receiving side searches for free zones at intervals of 5 m, such as 15 m, 15 to 20 m, etc., arbitrarily variably set by the receiving side, making it easy to search for each short distance interval range. In the case where the free zone exceeds, for example, 20 m, an alarm may be automatically generated and the distance display unit 17 may display the distance deviating from the free zone.

FIG. 4 shows a third embodiment, and the same components as those in FIGS. 1, 2 and 7 showing the first embodiment are denoted by the same reference numerals. Therefore, the detailed description is omitted. That is, a distance display section 17 for displaying a distance value between the transmitting side and the receiving side by, for example, a liquid crystal display is disposed below the direction detecting radar screen 5 of the radar receiving apparatus 9, and further below the identification code. A so-called station work (FIG. 6) that allows the user to select a password code number by the setting means 11 as an input section.
Push button 19).

The position of the receiving side (point Q in FIG. 4) on the direction finding radar screen 5 is substantially lower than the center (south side).
It is arranged in. At this time, the receiving side position (Q in FIG. 3)
It is possible to display the transmission side position behind (south side) behind the point). It should be noted that the antenna 15, the distance volume button 12, the auto alarm volume button 13, the extra switching device such as the battery power ON / OFF switch 16 and the like are eliminated, and the radar receiver 9 itself becomes compact and smart overall. , To maintain a semi-permanent continuous use state.

FIG. 5 shows a fourth embodiment, and the same components as those in FIGS. 1, 2 and 7 showing the first embodiment are denoted by the same reference numerals. Therefore, the detailed description is omitted. That is, only the position of the receiving side (point Q in FIG. 5) is displayed in the center on the direction detecting radar screen 5 of the radar receiving apparatus 9, and the display of north, south, east, west, and rotation changes in the forward and reverse rotation directions around the screen. The display is made so as to be possible so as to indicate only the direction of the transmitting side.

On the lower side of the direction detecting radar screen 5 of the radar receiver 9, a distance display section 17 for displaying a numerical value of the distance between the transmitting side and the receiving side by, for example, a liquid crystal display,
An upper / lower display unit 18 is provided for indicating to the receiving side how far the transmitting side is upward or downward, and further below it, a password code number by the identification code setting means 11 is selected as an input section. Push button 19 as a so-called station work (see FIG. 6) to be registered and registered, and the direction distance range changing circuit 1
Distance volume button 12, auto alarm volume button 13, and ON / OFF switch 16 for battery power as free zone control by 0 (see FIG. 6)
Etc. are arranged. Reference numeral 20 denotes a battery checker display unit formed of a liquid crystal display, and further includes a screen brightness adjustment button 14 of the direction finding radar screen 5.

Next, an example of the use of the present invention will be described.
As shown in FIG. 2, the transmitting device 1 is previously attached to a pendant A or a bracelet B as a target object, or is attached to a pocket of a child's clothes, for example, in a suture shape. Always transmits a radio signal of a natural frequency. At this time, as shown in FIG. 6 and FIG. 7, a password code number corresponding to the radio signal of this natural frequency is set in advance in the radar receiver 9 and one of them is previously selected and set.

The control circuit 4 is operated by the operation of the display / notification operation circuit 7 of the radar receiving device 9 only when the transmitting device 1 is separated by more than the set distance, and the unique signal is transmitted from the receiving circuit 3 to the direction detecting radar screen 5. Is sent to the position and direction display device 6 for displaying the direction, the distance, the vertical difference, etc. of the radio wave transmission source based on the receiving side, and at the same time, the sound emitting element 8 is activated and the continuous alarm and the intermittent alarm are displayed. A warning sound is generated at the receiving end, and the receiving side stops the warning sound once by a reset button (not shown) or automatically stops the warning sound at the same time as the transmitting side enters the free zone, and then the direction detection radar The search is facilitated by rushing to the calling side in accordance with the instruction on the screen 5 (see FIG. 1).

At this time, the alarm sound may be stopped automatically as soon as the calling side enters the free zone. When the direction distance range is to be changed, the direction distance range changing circuit 10 built in the radar receiver 9 causes the transmission device 1 to change.
May be variably set.

The transmitting device 1 described above is used to protect children and children from getting lost, kidnapping, traffic accidents, etc.
It also helps prevent theft when parking a private car.For example, even if the stolen car is placed in a garage or warehouse that is not visible from the outside, or hidden with a seat cover, the radar reception If the device 9 is used, the car can be easily found.

Further, in the case of climbing a snowy mountain, etc., by instructing the rescue team or the police with the personal identification code number in advance, even when the ship is distressed, the search by the rescue team and the police by the large radar receiver can be performed. You can also ask. At this time, a victim or the like can be found at an early stage by the large-sized radar receiver 9 having a large capacity mounted on a rescue car or a police car. This is done by inputting a password code unique to the transmitting device 1 into the receiving device 9.
The radar receiver 9 having a short search distance is used in place of the radar receiver 9 having a long search distance. Specifically, when the search cannot be performed by the CB21 type radar receiver or the CB50 type radar receiver, the personal identification code number is input to the CB100 type radar receiver or the like to enable the search.

As a security measure in the event that a burglar enters the house, for example, a system in which the transmitting device 1 is connected to a mobile phone such as a pager and the mobile phone automatically sends a communication to the radar receiving device 9 from the mobile phone. By setting the transmitting device 1 to the absence mode, it is possible to go out with confidence. As another crime prevention means, for example, the transmitting device 1 is installed in a door or window of an answering machine, and when the door or window moves even a little, the transmitting device 1 operates to send a predetermined signal to a telephone in the answering machine. There is also a mechanism by which the telephone transmits the signal and notifies the radar receiver 9 of the signal. At this time, a predetermined signal may be received by a mobile phone, a pager, or the like instead of the radar receiver 9.

Further, by attaching the transmitting device 1 to a key, a bag or the like of an automobile, or to a collar or the like of a dog when the dog walks, it is possible to detect a position change of the transmitting device 1 to prevent a crime or an accident. It can easily be stopped.

In addition, the radar receiving device 9 can receive not only signals from one transmitting device 1 but also a plurality of signals from a plurality of transmitting devices 1. For example, there is a case where the transmitting device 1 is attached to each of a plurality of automobiles displayed at a used automobile dealer or the like and used.

[0039]

The present invention is configured as described above.
A portable transmitting device 1 having a transmitting circuit 2 built therein so as to always transmit a radio signal of a natural frequency by a built-in power source P;
A receiving circuit 3 for receiving the unique signal transmitted from the transmitting device 1 is built in, and the unique signal is sent from the receiving circuit 3 to the position / direction display device 6 on the direction finding radar screen 5 to transmit a radio wave based on the receiving side. A control circuit 4 for displaying the direction, distance, and vertical difference of the source is provided. When the transmitting device 1 is separated by more than a set distance, the position of the radio transmitting source is displayed on the direction detecting radar screen 5 simultaneously with the alarm sound by the sounding element 8. By providing a portable radar receiving device 9 having a display and notification operation circuit 7 for projecting a direction, the direction, distance, and the like of a target object separated on the receiving side can be easily and immediately known visually. It is possible to search only on the receiving side.

The direction distance range changing circuit 10 built in the radar receiver 9 is provided with the display / notification operation circuit 7.
Can be arbitrarily variably set in the direction distance range with the transmitting device 1 necessary for driving the transmission device 1.

Further, the identification code setting means 11 built in the radar receiver 9 drives the display / notification operation circuit 7 in accordance with a preset password code number, thereby preventing malfunction due to other unique signals. can do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a radar receiver according to a first embodiment of the present invention.

FIGS. 2A and 2B are perspective views of the transmitting device, wherein FIG. 2A is a pendant type and FIG. 2B is a bracelet type.

FIG. 3 is a perspective view of a radar receiver according to a second embodiment of the present invention.

FIG. 4 is a perspective view of a radar receiver according to a third embodiment of the present invention.

FIG. 5 is a perspective view of a radar receiver according to a fourth embodiment of the present invention.

FIG. 6 is a flowchart illustrating an operation function of the radar receiver according to the present invention.

FIG. 7 is a block diagram illustrating a circuit configuration of a radar receiver according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Transmission device 2 ... Transmission circuit 3 ... Reception circuit 4 ... Control circuit 5 ... Direction detection radar screen 6 ... Position and direction display device 7 ... Display and notification operation circuit 8 ... Sound generation element 9 ... Radar reception device 10 ... Change of direction distance range Circuit 11 ... Identification code setting means 12 ... Distance volume button 13 ... Auto alarm volume button 14 ... Screen brightness adjustment button 15 ... Antenna 16 ... ON / OFF switch for battery power 17 ... Distance display section 18 ... Vertical display section 19 ... Push Button 20: Battery checker display section 21: Free zone adjustment switch button

Claims (7)

[Claims] 1. A portable transmitting device for constantly transmitting a radio signal of a specific frequency by a built-in power supply, and a radio signal based on a receiving side on a direction finding radar screen by receiving a specific signal transmitted from the transmitting device. With a portable radar receiver that displays the direction of the source, the distance, the difference between the top and bottom,
A portable distance notifying method, characterized in that when the transmitting device is separated from the radar receiving device by more than a set distance, an alarm sound is emitted and at the same time the position direction of the radio wave transmitting source is projected on the direction detecting radar screen. 2. A portable transmitting device having a built-in transmitting circuit so as to constantly transmit a radio signal of a specific frequency by a built-in power supply, and a receiving circuit for receiving a specific signal transmitted from the transmitting device is built in. A control circuit that sends a signal from the receiving circuit to the position and direction display device of the direction finding radar screen and displays the direction, distance, and vertical difference of the radio wave source with respect to the receiving side, wherein the transmitting device is equal to or more than the set distance A portable radar receiver having a display and notification operation circuit for projecting the position of the radio wave source on the direction detection radar screen at the same time as the alarm sound from the sounding element when separated from the portable device, Separation notification device. 3. The radar receiver according to claim 2, further comprising a directional distance range changing circuit for variably setting a directional distance range with respect to the transmitting device required to drive the display and notification operation circuit. The portable separation notification device as described in the above. 4. The radar receiving apparatus further comprises an identification code setting means for setting a personal identification code number corresponding to the radio signal of the natural frequency, wherein the identification code setting means sets a personal identification code number according to the personal identification code number preset by the identification code setting means. 4. The display / notification operation circuit is driven by the control unit.
The portable separation notification device as described in the above. 5. The portable distance notification device according to claim 2, wherein a power source of the transmission device is a rechargeable type, a battery exchange type, or a combination type thereof. 6. The transmitting device can be mounted on a pendant, a bracelet, a necklace, an earring, a ring, a watch, a key, a key ring, a cash card, a wallet, personal accessories such as clothes and shoes, a bag, a bag, a vehicle, a house, and the like. 6. The portable separation notification device according to claim 2, wherein the portable separation notification device has a compact portable form. 7. The bracelet according to claim 2, wherein the transmitting device is mounted on the bracelet and a part of the bracelet can be opened by an insertion operation of a magnet key so as to be detachable from the arm. Portable separation alert device.