JPS63133293A - Apparatus for checking location of personal effect or the like and isolation alarm thereof - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) This invention is mainly aimed at, for example, attaching a transmitter to an important portable item, and storing the transmitter in an inner jacket pocket etc. is used in a portable state, and when a personal item leaves the human body due to misplacement, falling, theft, etc.
This is an alarm device in which a receiver notifies the human body of the alarm at close range.

In addition, it is also an alarm device that can be used in the opposite manner by carrying the transmitter and attaching the receiver to the person or object whose location is desired to be confirmed.

Furthermore, the present invention relates to a small-sized alarm device that can communicate with each other using two sets of receivers and transmitters.

(Prior Art) The closest prior art to the present invention is, for example, a lost item alarm device disclosed in Japanese Utility Model Application Publication No. 131097/1983. This system consists of a transmitting device and a receiving device with a built-in buzzer, with the transmitting device being a portable item and the receiving device being placed on the side of the human body, and when the receiving device is moved away from the transmitting device by more than a certain distance, the alarm buzzer is activated. It was designed to achieve the purpose.

(Problems to be Solved by the Invention) In the above conventional example, a high frequency wave from a carrier wave oscillation circuit and an amplitude wave from a modulation oscillation circuit are transmitted, but the receiving (fi side) only has a tuning circuit and a detection circuit; is truly unstable in extracting low frequencies.

This means that the receiver carried with the transmitter becomes unable to receive signals due to, for example, a slight change in the direction of the human body, and is not of practical use.

Further, the alarm generation distance between the transmitter and the receiver is assumed to be constant, and the alarm generation distance is fixed except for adjusting the length of the antenna. The alarm buzzer is also a simple continuous sound, so it is not suitable as an alarm sound, and it cannot be heard in a noisy environment. If the noise is too loud, it may cause anger to others, and the purpose of its use is extremely limited.

For example, if a personal item is stolen, left behind, or left behind, the item may be transported far away in a short period of time, and the whereabouts of the item may become unknown. Furthermore, in the case of robbery, the sound of a buzzer at close range can be dangerous, so it is preferable to keep a certain distance and then emit a loud sound at the stolen item to alert the surrounding area.

Furthermore, depending on the application, the combination of transmitting and receiving devices can be used to transport people and goods.
I want to create a device that is simple and suitable for various purposes so that things can communicate with each other.

(Means for Solving the Problems) In order to solve the above-mentioned drawbacks of the prior art and several new improvements with a simple configuration, we have devised the following means. This will be explained based on the drawings.

First, the basic circuit of the present invention includes at least a carrier wave oscillation circuit 1, a modulated pulse oscillation circuit 2, a high frequency amplification circuit, and a modulation circuit 3, transmits a signal from a transmitting antenna 4, and connects a power supply section (not shown) to the circuit. The transmitter shall also be equipped with It includes at least a super-reproduced wave circuit 5, a low-frequency amplification circuit 6, a rectifier circuit 7, and a waveform shaping circuit 8, as well as various circuits for driving the alarm member 9, their power supply units (not shown), and a receiving antenna 10. as a receiver. The alarm member 9 is composed of a pair of transmitter and receiver, and when the receiver leaves the transmission area from the transmitter or responds to a call within the transmission area, the alarm member 9 is selected.
The receiver is designed to be driven by the receiver, and at least the receiver is formed so that it can be stored in a common inner jacket pocket even if the size of the receiver is at its maximum.

The waveform shaping circuit 8 is also provided with a changeover switch 11 for selecting separation or response within the transmission area, and an intermittent oscillation circuit 12 for intermittent driving of the alarm member 9.

Examples of the alarm member 9 include a buzzer, a lamp, and a vibrating disc that can irritate the skin, which may be used depending on the purpose.

Further, the transmitting antenna 4 is a normal insulated electric wire with stranded wires, and the receiving antenna 10 is in the shape of a clip to be clamped to a wire in a pocket or the like, or is embedded in the clip-shaped body.

Further, if necessary, the transmitter is provided with a sounding body for generating a loud sound and a receiving means for driving the sounding body, and the receiver is also provided with a transmitting means corresponding to the receiving means 48.

(Operation) First, the transmitter amplitude-modulates the modulated wave created by the modulated pulse oscillation circuit 2 with the carrier wave created by the carrier wave oscillation circuit 1, and outputs it as a radio wave from the transmission antenna 4. At that time, the output is adjusted using an adjustment coil (not shown) of the high frequency amplification circuit 3. This sets the transmission/reception distance between the two transceivers, that is, the isolation interval at which alarm generation begins.

The receiver receives the radio waves with the ultra-reproduced wave circuit 5, amplifies only the low frequency before modulation with the low frequency amplification circuit 6, rectifies it with the rectifier circuit 7, and selects the changeover switch 11 when the waveform is shaped by the waveform shaping circuit 8. By operating the transmitter, when the transmitter leaves the transmission area, that is, no reception is received, or when a call is received within the transmission area, the output is sent to the intermittent oscillation circuit 12 according to the selection, and an alarm is generated. The member 9 is driven intermittently.

The action can be further divided into the following three types depending on the purpose of use.

A. When both the transmitter and the receiver are turned on and the receiver switch 11 is set to the disconnection side 13.

An alarm is generated when the receiver leaves the transmission area from the transmitter.

B. When only the receiver is turned on and the selector switch 11 of the three receivers is set to call response @14.

When the transmitter is turned on and transmits, the transmitter (receiver within 8 areas)
generates an alarm on the device.

When two sets of C1 transceivers are combined as a pair. In this case, the transmission frequencies are different.

Further, at least one of the alarm members 9 is configured as a buzzer that emits a loud sound. Then, turn on the power to one transmitting side and the other receiving side.

An alarm is generated when the other receiver leaves the transmission area from one transmitter. Thereafter, if the power to the other transmitter is turned on at an appropriate time, a loud sound will be generated from the alarm member 9 of one of the receivers.

(Example) 1) Using a 27.145MHz crystal oscillator, various circuits were created using commercially available ICs, etc., and a 30cm vinyl chloride insulated wire was connected to the transmitting antenna with a maximum output of 10mW to avoid violating the Radio Control Act. It was set as 4 (= vessel).

Like the transmitter, the receiver is made of IC etc., a piezoelectric buzzer is used as the alarm member 9, and the length of the receiving antenna 10 is 10 cm.
And so.

Both the transmitter and the receiver are powered by dry batteries, and the case is large enough to be easily stored in an inner jacket pocket.
It was summarized in 5.

When Example 1) was used, the alarm started to be generated when the receiver was separated from the transmitter by at least 1 m. Further, no adverse effects were caused due to the orientation of the human body.

2) In addition to 1) above, the receiving antenna 10 is attached to the housing 15 in the form of a clip that can be clipped onto a line such as a pocket, or as something that is built into the clip-shaped body.

Even with the 4g receiving antenna 10 of Example 2, there was no particular difference in the receiving effect.

3) In addition, lamps, vibrators, etc. can be used as the above-mentioned alarm member 9, a rechargeable battery can be used as a power source, and depending on the purpose, a transmission output,
Various types were created using auxiliary circuits and parts that were adapted to the transmitting and receiving frequencies.

Each side of Example 3) obtained effects according to the purpose, but I think there is no need to describe them, so I will omit them.

(Effects) The transmitter 3 has a high frequency amplification circuit 3 and the output can be adjusted using the adjustment coil, so it is convenient to select the alarm generation isolation distance between the transmitter and receiver. 5 makes it easier to extract low frequencies and is more stable.Furthermore, the waveform shaping circuit 8 makes it possible to obtain a more reliable and stable signal, and it is not affected by changes in the orientation of the human body. First, this circuit configuration has become sufficiently usable for practical use.

The waveform shaping circuit 8 of the receiver includes a departure side 13 and a response side 14.
Since a selector switch 11 is provided for selecting one of the two, by selecting one, the alarm member 9 is activated separately when both transmitters and receivers are separated by a certain distance, or when a call is received within the transmission area. As a result, its uses have increased.

That is, if the transmitter is attached to an important portable item, the receiver switch 11 is set to the detached side 13, and the transmitter is stored in an inner pocket of a jacket, etc., and used as a portable item at all times, the portable item can be kept away from the human body. When the device leaves the human body due to misplacement, falling, theft, etc., the received word immediately notifies the human body of the alarm at a close distance, making it possible to respond quickly. Furthermore, once this alarm is activated, it will continue to be activated until the person carrying the receiver notices the alarm and stops the alarm by, for example, turning off the power, no matter how far away they are outside the transmission area, it will continue to be activated. I'll never forget.

In addition, if the changeover switch 11 is used on the response side 14, the transmitter can be used in the opposite way, by carrying the transmitter and attaching the receiver to the person or item whose whereabouts you want to confirm, and transmitting a message from the transmitter when you want to know the whereabouts of the person or item. For example, since the receiver generates an alarm in response, it can also serve as a location confirmation device.

Furthermore, in order to enable communication between the two sets of receivers and transmitters, the transmitter is equipped with a sounding body that generates a loud sound and a receiving means for driving the sounding body, and the receiver is equipped with a sounding body that generates a loud sound and a receiving means for driving the sounding body. If a transmitting means is installed to correspond to the vehicle, please attach a person with a sounding device that makes a loud noise to the portable item. In the case of a robber, the sound of the buzzer at close range could be dangerous, but it is possible to keep a safe distance and then make a loud noise at the stolen item, which may cause damage to the surrounding crowd. Since it can be used to issue an alarm, it will be very useful in financial institutions and other places where large sums of money are forced to be transported.

Further, when the alarm member 9 is driven intermittently, if a buzzer is used, the sound becomes an intermittent sound, which is suitable as an alarm sound, and the irritation to the skin is easier to feel.

Furthermore, since the size of the receiver is at least such that it can be stored in a common jacket pocket, etc., it is convenient to carry without getting in the way.

Furthermore, if the receiver (3 antenna 10 is clip-shaped to be clamped to a wire in a pocket or the like or is built into the clip-shaped body), the receiver antenna 10 has no presence,
It also has the effect of preventing it from falling out of the pocket.

As described in detail above, the present invention is socially beneficial because it is small in size and can be provided at a relatively low cost, and with slight modifications, it can be made into an alarm device suitable for various purposes.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which A in Fig. 1 is a block diagram of a transmitter, B is a block diagram of a receiver, and Fig. 2 is a schematic external appearance of the receiver when the receiving antenna is in the form of a clip. FIG. 1 is a carrier wave oscillation circuit; 2 is a modulated pulse oscillation circuit; 3 is a high frequency amplification circuit; and modulation circuit 4 is a transmitting antenna; 5 is an ultra-reproduced wave circuit 6 is a low frequency amplification circuit; 7 is a rectifier circuit 8 is a waveform shaping circuit; 9 is an alarm member 10; Receiving antenna 11 is a changeover switch 12 is an intermittent oscillation circuit.

Claims (1)

[Claims] 1) At least a carrier wave oscillation circuit, a modulated pulse oscillation circuit,
A transmitter that has a high frequency amplification circuit and a modulation circuit, emits from a transmitting antenna, and is also equipped with a power supply section for the same, and has at least an ultra-reproduced wave circuit, a low frequency amplification circuit, a rectification circuit, and a waveform shaping circuit to generate an alarm. It consists of a pair of circuits for driving the members, their power supplies, and a receiver equipped with a receiving antenna, and when the receiver leaves the transmission area from the transmitter or responds within the transmission area, one The alarm member is activated by selection, and at least the receiver is designed to be able to be stored in a regular inner jacket pocket, etc., even if the receiver is at its maximum size. Alarm device. 2) Claim 1 in which the waveform shaping circuit is provided with a changeover switch for selecting release or response within the transmission area.
Confirmation of the location of personal belongings and isolation alarm device as described in Section 1. 3) The location confirmation and isolation alarm device for personal belongings, etc. according to claim 1 or 2, which is provided with an intermittent oscillation circuit for intermittent driving of the alarm member. 4) The portable article according to any one of claims 1 to 3, wherein at least the receiving antenna is in the shape of a clip that can be clipped to a line in a pocket or the like or is built into the clip-shaped body. Location confirmation and isolation alarm device. 5) Claim 1, wherein the transmitter is provided with a sounding body that generates a loud sound and a receiving device for driving the sounding device, and the receiver is also provided with a transmitting device that corresponds to the receiving device. A device for confirming the location of personal belongings, etc. and for warning of isolation as set forth in any of paragraphs 4 to 4.