KR20170039820A - Thin Plate Type Minimum Size Beacon - Google Patents

Thin Plate Type Minimum Size Beacon Download PDF

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Publication number
KR20170039820A
KR20170039820A KR1020150138771A KR20150138771A KR20170039820A KR 20170039820 A KR20170039820 A KR 20170039820A KR 1020150138771 A KR1020150138771 A KR 1020150138771A KR 20150138771 A KR20150138771 A KR 20150138771A KR 20170039820 A KR20170039820 A KR 20170039820A
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KR
South Korea
Prior art keywords
battery
case body
end frame
front plate
plate
Prior art date
Application number
KR1020150138771A
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Korean (ko)
Inventor
이유혁
Original Assignee
주식회사 와이즈웰스
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Priority to KR1020150138771A priority Critical patent/KR20170039820A/en
Publication of KR20170039820A publication Critical patent/KR20170039820A/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0086Casings, cabinets or drawers for electric apparatus portable, e.g. battery operated apparatus
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0026Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
    • H05K5/0047Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
    • H05K5/006Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for holding the PCB within the housing
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0256Details of interchangeable modules or receptacles therefor, e.g. cartridge mechanisms
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/04Metal casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention relates to a thin plate type-microminiature beacon apparatus easily mounted on an external object in various types and manufactured with a microminiature size not to be easily observed visually to prevent deterioration of the esthetic sense of the external object, to be easily managed, and be further safely protected to stably maintain a mounted state, thereby further expanding the practical use range thereof. A printed circuit board (PCB) substrate and a battery are independently arranged on an equal plane inside the main body of a case without an area where the PCB substrate and the battery overlap, thereby allowing the thickness of the main body of the case to be thinner. Moreover, a battery arrangement groove is formed to allow the battery to be arranged on and be in contact with the PCB substrate such that the area of the entire arrangement is reduced, thereby reducing the planar area as well as the thickness of the main body of the case. Furthermore, the PCB substrate and the battery together with an end frame are simultaneously inserted into and arranged in the inner space of the main body of the case in a procedure where the main body of the case and the end frame are coupled by sliding the pieces together. In the manufacturing process, components can be assembled easily, rapidly and conveniently.

Description

[0001] The present invention relates to a thin plate type minimum size beacon,

The present invention relates to a thin plate miniature beacon device. More specifically, it can be easily mounted on various external objects, and it can be manufactured in a very small size so that it is not easy to observe from the outside, thereby preventing a deterioration of aesthetics to an external object, easy management, So that the application range can be further extended. By arranging the PCB substrate and the battery independently on the same plane without overlapping areas in the case body, the thickness of the case body can be further reduced , The battery arrangement groove can be formed so that the battery can be placed in contact with the PCB substrate, thereby reducing the overall layout area. Thus, not only the thickness of the case main body but also the planar area can be reduced. PCB board and battery with end frame By such device body at the same time inserted into the inner space, to a production process of ultra thin plate beacon device it is quickly and easily making possible to facilitate the assembly of the components on.

In recent years, Bluetooth communication, which is an example of conventional short distance communication, requires a step of registering a pairing device between devices before using Bluetooth communication. However, since power consumption is continuously generated, it has been difficult to use the battery for a long time in a device having a battery.

However, recently, devices supporting Bluetooth devices such as Bluetooth 4.0 smart or Bluetooth low energy (BLE) can transfer information between devices without a pairing step, and the period of data transmission is longer than that of a conventional Bluetooth device, It is very small, and it is possible to operate it for more than a year with only the coin size battery. In addition, the unit cost of making a device is low, so it can be used as a beacon indicating location information.

Examples of the use of such a Bluetooth beacon include a fixed Bluetooth beacon installed in a shop or the like, and when a user having a smartphone supporting Bluetooth capable of using the Bluetooth beacon without a pairing step accesses it, Will be provided through apps installed on the smartphone.

On the other hand, as another example, it is not used to attach a very small size Bluetooth beacon to a fixed point but to attach it to a moving child, so that it is used as a child-proof system. This is because the parent Bluetooth smart terminal ) Measures the Received Signal Strength Indication (RSSI) value of the Bluetooth beacon attached to the child, estimates the approximate distance, and informs the child when the child is far away from the parent.

In a similar manner, a technique for preventing the loss of personal items such as bicycles is being developed in such a manner that a beacon device is mounted on a mobile object such as a bicycle, and the present position of the bicycle can be detected through a beacon device.

Various technologies using the beacon device have been actively researched and developed. Such research and development is concentrated on the technology field using the beacon device, and the research and development of the beacon device itself is practically negligible.

A conventional beacon device according to the related art is configured such that a PCB substrate for generating a beacon signal is built in a case having a diameter of about 4 cm to 5 cm. When such a beacon device is relatively large in size, There is a problem that the utilization range thereof is limited.

For example, when a beacon device is installed inside a store, there is a problem that the size of the beacon device is large and the aesthetics inside the home are damaged or difficult to manage. Even if the beacon device attached to a child is used If the size of the beacon is so large that it can be easily detected by a criminal, the criminal removes the beacon from the child. In this case, the effect of using the beacon can not be exhibited.

Korean Patent No. 10-1489863

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the prior art, and it is an object of the present invention to provide an image forming apparatus which can be easily mounted on various external objects, The present invention is to provide a thin plate-like miniature beacon device which can prevent deterioration, is easy to manage, is more safely protected, and can be stably maintained in its mounted state, thereby further extending its utilization range.

Another object of the present invention is to provide a metal material and a synthetic resin material which can improve the strength of the outer case due to the metal material and can simultaneously perform the impact protection function due to the synthetic resin material, The beacon signal is shielded and reflected in the metal material region and is concentrated in the synthetic resin material region, so that the external So that the beacon signal can be transmitted more smoothly and actively.

It is a further object of the present invention to provide a battery pack for a battery pack, which is capable of reducing the thickness of the case body by arranging the PCB substrate and the battery independently on the same plane without overlapping areas, Shaped beacon device that can reduce not only the thickness of the case main body but also the plane area by reducing the total layout area by forming battery placement grooves.

It is a further object of the present invention to provide a method for assembling a component in a manufacturing process by simultaneously inserting a PCB substrate and a battery together with an end frame into a space inside a case body in a process of sliding insertion of the case body and the end frame The present invention provides a very thin beacon device that can be manufactured quickly and easily.

The present invention relates to a case body comprising a front plate and a rear plate spaced apart from each other in parallel to each other, and a connecting portion connecting the front plate and the rear plate to each other at one edge section, An end frame inserted between the front plate and the rear plate so as to be positioned along corners of the front plate and the rear plate and both ends of the end frame being in tight contact with the connecting portion and made of a synthetic resin material; A PCB substrate disposed in a space between the front plate and the back plate and having a beacon chip mounted thereon for outputting a beacon signal; And a battery disposed in a space between the front plate and the back plate to supply power to the PCB substrate.

At this time, the PCB substrate and the battery are independently arranged in an area perpendicular to the front plate and the rear plate without overlapping areas, and a separate contact terminal is provided on the PCB substrate so as to be electrically connected to the battery And extend to the battery side.

In addition, a battery disposition groove corresponding to an outer shape of the battery may be formed at one corner of the PCB to contact the outer surface of the battery.

A guide rail may be formed on an inner surface of the end frame so that the PCB substrate can be inserted into the slide frame.

The distance between the front plate and the rear plate may be equal to or greater than the sum of the thickness of the battery and the thickness of the contact terminals of the PCB substrate in a state where the PCB substrate and the battery are inserted into the space between the front plate and the back plate. .

In addition, an insulating layer for electrical insulation may be formed on the inner surface of the case body.

In addition, a separate buffer member may be interposed between the inner surface of the case body and the battery so as to fix the position of the battery in the inner space of the case body and alleviate the external impact.

In addition, a magnet may be provided in the inner space of the case body to allow the case body to be attached to an external object by a magnetic force.

In addition, a guide protrusion may be formed at an inner corner portion of at least one of the front plate and the rear plate to guide the insertion path of the end frame. In the process of inserting the end frame into the case body, A guide groove to be inserted and guided can be formed.

Further, an end portion of the guide protrusion is formed with an enlarged portion having a diameter enlarged, and the guide groove is formed with an engaging groove into which the expanding portion can be inserted. When the end frame is completely inserted into the case body, And the position can be fixed as the insertion groove is engaged with the coupling groove.

According to the present invention, it is possible to easily mount to various external objects, to be made very small, and to make it difficult to observe the naked eye from the outside, thereby preventing deterioration of the external sensation to the external object, So that it can be stably maintained, and the application range can be further expanded.

In addition, by separating the outer case from metal and synthetic resin materials, it is possible to improve the strength due to the metal material and to perform the shock protection function simultaneously due to the synthetic resin material. Since the beacon signal is shielded and reflected in the metal material region, it is concentrated to the synthetic resin material region and sent out to the outside. Therefore, The beacon signal transmission can be performed more smoothly and actively.

In addition, since the PCB substrate and the battery are independently arranged on the same plane without overlapping areas within the case body, the thickness of the case body can be further reduced, and battery placement grooves are formed Thereby reducing not only the thickness of the case body but also the plane area thereof.

In addition, since the PCB substrate and the battery are inserted and arranged in the space inside the case body at the same time with the end frame in the process of sliding insertion of the case body and the end frame, the assembling process of the components in the manufacturing process is easy, There is an effect that is possible.

FIG. 1 is a perspective view schematically showing an outline of a thin plate-like micro beacon device according to an embodiment of the present invention,
FIG. 2 is an exploded perspective view schematically showing a configuration of a thin plate-like micro beacon device according to an embodiment of the present invention,
FIG. 3 is a partially exploded perspective view schematically showing an internal coupling structure of a thin plate-like micro beacon device according to an embodiment of the present invention,
4 and 5 are cross-sectional views schematically showing the internal structure of a thin plate-like micro beacon device according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view schematically showing the outline of a thin plate-like micro beacon device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view schematically showing the configuration of a thin plate- And FIG. 3 is a partially exploded perspective view schematically illustrating an inner joint structure of a thin plate-like micro beacon device according to an embodiment of the present invention. Fig. 3 is a cross-sectional view schematically showing the structure.

The beacon device according to an embodiment of the present invention is a thin, flat-plate-like micro device including a case body 100, an end frame 200, a PCB substrate 300, and a battery 400.

The case body 100 includes a front plate 110 and a rear plate 120 spaced apart from each other in parallel to each other and a connecting portion 130 connecting the front plate 110 and the rear plate 120 to each other at one corner portion . The front plate 110 and the rear plate 120 may have the same shape and may be formed in the shape of a rectangular plate as shown in FIGS. 1 and 2. The connection part 130 is formed in such a manner that the front plate 110 and the rear plate 120 are connected to each other at one corner of one of the four corners of the front plate 110 and the rear plate 120 in the shape of a rectangular plate. The case body 100 having the above-described structure is formed of a metal material for both the front plate 110, the rear plate 120, and the connecting portion 130. For example, it may be formed of aluminum.

The end frame 200 is interposed between the front plate 110 and the rear plate 120 so as to be positioned along the edge portions of the front plate 110 and the rear plate 120 of the case body 100, And is in close contact with the connection portion 130. For example, when the front plate 110 and the rear plate 120 are formed in the shape of a rectangular plate, and the connection part 130 is formed in one of the corner sections, the end frame 200 includes the front plate 110, And is inserted into the space between the front plate 110 and the rear plate 120 so as to be positioned in the remaining three corners of the rear plate 120. [ At this time, both ends of the end frame 200 are configured to come in close contact with the connection portion 130. The end frame 200 configured as described above is formed of a synthetic resin material. For example, an elastic material such as rubber.

The space between the front plate 110 and the rear plate 120 of the case body 100 is separated by the connection part 130 and the end frame 200 by the case body 100 and the end frame 200, A PCB 300 and a battery 400 are inserted and accommodated in the inside of the accommodating space.

The beacon chip 310 is mounted on the PCB 300 so as to output a beacon signal and is disposed in a space between the front plate 110 and the back plate 120 of the case body 100, And is electrically connected to the PCB substrate 300 so as to supply power to the PCB substrate 300. The PCB substrate 300 is disposed in a space between the front plate 110 and the rear plate 120 of the main body 100. [

The PCB 300 and the battery 400 are independently arranged in a space between the front plate 110 and the rear plate 120 so as not to overlap each other in the space between the front plate 110 and the back plate 120 . More specifically, the PCB substrate 300 and the battery 400 are disposed so that the areas projected in a direction perpendicular to the front plate 110 and the rear plate 120 are independent of each other without overlapping areas. In this case, a separate contact terminal 320 is formed on the PCB 400 so as to be electrically connected to the battery 400, extending toward the battery 400. The contact terminal 320 is composed of a positive electrode contact terminal 321 and a negative electrode contact terminal 322 so as to be connected to the positive electrode and the negative electrode of the battery 400, respectively. At this time, the battery 400 is applied with a thin-thickness coin cell battery so as to be advantageous in achieving a thin-walled micro-product structure.

In addition, the PCB substrate 300 is generally formed in a substantially rectangular plate shape, and the battery 400, such as a coin cell, is formed in the form of a thin circular plate. Therefore, when the PCB 300 and the battery 400 are disposed without overlapping regions, the contour of the adjacent parts of the PCB 300 and the battery 400 are different from each other in a straight line and a circular shape, A wasteful element is generated. In order to prevent such a waste of space, in one embodiment of the present invention, a shape corresponding to the shape of the outer surface of the battery 400 so as to be in contact with the outer surface of the battery 400 at one corner of the PCB 300 The battery disposition groove 301 of the battery is formed. For example, when the battery 400 is applied as a circular coin cell, as shown in FIGS. 2 and 3, the battery placement groove 301 is formed in a corresponding arc shape.

Since the PCB substrate 300 and the battery 400 are disposed on the same plane without overlapping regions, the distance between the front plate 110 and the rear plate 120 of the case body 100 can be reduced, Is more advantageous for the thin plate-type miniaturization configuration of the thin plate. The distance between the front plate 110 and the rear plate 120 is set such that the PCB 400 and the battery 400 are inserted into the space between the front plate 110 and the rear plate 120, And the thickness of the contact terminal 320 of the PCB 300 may be equal to the sum of the thickness and the thickness of the contact terminal 320 of the PCB 300. The thickness of the battery 400 and the thickness of the contact terminal 320 of the PCB 300 may be larger than the sum of the thickness of the battery 400 and the thickness of the contact terminal 320 considering the tolerance.

According to this structure, the beacon device according to the embodiment of the present invention is formed so that the gap between the front plate 110 and the rear plate 120 of the case body 100 is almost the same as the thickness of the battery 400 So that it can be manufactured in a very small thin plate-like shape.

Particularly, since the case body 100 is made of a metal material, even if the case body 100 is made to have a relatively thin thickness, it can have a higher strength than a synthetic resin material. Therefore, by forming the case body 100 from a metal material, the thickness of the case body 100 can be minimized within a range that satisfies the design standard strength, thereby increasing the volume of the internal space and increasing the volume of the internal space As a result, relatively more parts can be accommodated in the interior space. As a result, since the case body 100 according to the embodiment of the present invention is formed of a metal material, it is possible to secure a larger space for accommodating the inside of the case body 100, and it is further advantageous to miniaturize the beacon device in a thin form through such a structure will be.

Since the PCB 300 and the battery 400 for generating the beacon signal are disposed in the inner space surrounded by the case body 100 and the end frame 200, The beacon signal is transmitted from the inner space to the outer space through the end frame 200. At this time, the beacon signal does not pass through the metal material but passes through the non-metal material region only. Therefore, the beacon signal can be transmitted to the outside through the end frame 200 without passing through the case body 100 made of a metal. Particularly, the beacon signal generated from the beacon chip 310 is reflected by the front plate 110 and the rear plate 120 made of a metal, and is concentrated to the end frame 200 side, and is transmitted to the outside.

Therefore, since all the beacon signals of the beacon device according to the present invention are guided to pass through the end frame 200, the directionality of the signals in the first occurrence region is concentrated to the end frame 200 side, . Particularly, since the area of the end frame 200 is relatively small as compared with the case body 100, the beacon signal can be spread and transmitted more smoothly and stably when the beacon signal is transmitted through the area.

The PCB board 300 and the battery 400 are inserted between the front panel 110 and the rear panel 120 of the case body 100 and the contact terminals 320 from the PCB board 300 The rear plate 120 and the connecting portion 130 are electrically connected to the battery 400 so that the front plate 110 and the rear plate 120 are electrically insulated from each other. It is preferable that an insulating layer 101 for electrical insulation is formed on the inner side of the insulating layer 101 as shown in FIG. The insulating layer 101 may be formed in various ways such as attaching an insulating film or coating an insulating material.

In the state where the PCB 300 and the battery 400 are inserted between the front plate 110 and the rear plate 120, an empty space may occur in the space between the front plate 110 and the back plate 120 As shown in FIG. 4, a separate buffer member 500 may be inserted into the empty space. The cushioning member 500 may function to fix the position of the battery 400 and alleviate the external impact on the battery 400. [

In addition, the thin plate-like micro beacon device formed as described above can be attached to a separate external object, and a separate magnet 600 may be provided in the internal space of the case body 100 so as to be easily attachable and detachable to / from an external object .

In the process of inserting the PCB 300 and the battery 400 into the space between the front plate 110 and the rear plate 120, the PCB 300 and the battery 400 are connected together with the end frame 200 Can be inserted. For this purpose, a guide rail 210 may be formed on the inner side of the end frame 200 so that the PCB 300 may be inserted into the slide frame.

The PCB 400 is slidably inserted into the end frame 200 along the guide rail 210 and the battery 400 is placed in contact with the battery placement groove 301 of the PCB 300 The end frame 200 is inserted into the case body 100 so that the PCB 300 and the battery 400 together with the end frame 200 are coupled to the front plate 110 of the case body 100, And the rear plate 120, as shown in FIG.

3, a guide protrusion 140 is formed at an inner corner of at least one of the front plate 110 and the rear plate 120 to guide the insertion path of the end frame 200, as shown in FIG. A guide groove 220 may be formed in the end frame 200 to be inserted into the guide protrusion 140 during insertion into the case body 100. According to this structure, the end frame 200 can be coupled to the space between the front plate 110 and the rear plate 120 through the guide protrusion 140 and the guide groove 220.

In this case, the guide protrusion 140 is formed at its end with an enlarged portion 141 which is enlarged in diameter. In the guide groove 220, an engaging groove 221 into which the enlarged portion 141 can be inserted can be formed have. The extension portion 141 and the coupling groove 221 are formed so that the end frame 200 can be engaged with each other in a state where the end frame 200 is completely inserted into the case body 100. According to this structure, the end frame 200 is held in a fixed position as the extension part 141 and the coupling groove 221 are engaged with each other when the end frame 200 is completely inserted into the case body 100.

Of course, apart from this structure, the end frame 200 can be adhered to the case body 100 in a sealed state through a separate adhesive or the like in a state where the end frame 200 is completely inserted into the case body 100.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: case body 110: front plate
120: rear plate 130:
140: guide projection 200: end frame
210: guide rail 220: guide groove
300: PCB substrate 301: Battery placement groove
310: Beacon chip 320: Contact terminal
400: Battery 500: Buffer member
600: magnet

Claims (10)

A case body including a front plate and a rear plate spaced apart from each other in parallel to each other, and a connection portion connecting the front plate and the rear plate to each other at one edge section;
An end frame inserted between the front plate and the rear plate so as to be positioned along corners of the front plate and the rear plate, both ends of the end frame being in tight contact with the connecting portion,
A PCB substrate disposed in a space between the front plate and the back plate and having a beacon chip mounted thereon for outputting a beacon signal; And
A battery disposed in a space between the front plate and the back plate and supplying power to the PCB substrate,
Shaped beacon. ≪ RTI ID = 0.0 > 11. < / RTI >
The method according to claim 1,
Wherein the PCB substrate and the battery are independently arranged in an area perpendicular to the front plate and the rear plate,
And a separate contact terminal is formed on the PCB substrate so as to be electrically connected to the battery.
3. The method of claim 2,
And a battery disposition groove corresponding to an outer shape of the battery is formed at one corner of the PCB to contact the outer surface of the battery.
3. The method of claim 2,
And a guide rail is formed on the inner surface of the end frame so that the PCB substrate can be inserted into the slide rail.
3. The method of claim 2,
The distance between the front plate and the rear plate is equal to or greater than the sum of the thickness of the battery and the thickness of the contact terminals of the PCB substrate in a state where the PCB and the battery are inserted into the space between the front plate and the back plate Shaped beacon.
6. The method according to any one of claims 1 to 5,
And an insulating layer for electrical insulation is formed on an inner surface of the case body.
The method according to claim 6,
Wherein a separate buffer member is interposed between the inner surface of the case body and the battery so as to fix the position of the battery in the inner space of the case body and alleviate the external impact, .
6. The method according to any one of claims 1 to 5,
Wherein a magnet is provided in the inner space of the case body to attach the case body to an external object by a magnetic force.
6. The method according to any one of claims 1 to 5,
A guide protrusion is formed at an inner corner of at least one of the front plate and the rear plate to guide the insertion path of the end frame,
Wherein the end frame is formed with a guide groove which is inserted and guided by the guide protrusion in a process of being inserted into the case body.
10. The method of claim 9,
The guide protrusion has an extension formed at an end of the guide protrusion,
Wherein the guide groove is formed with a coupling groove into which the extension portion can be inserted,
Wherein the end frame is fixed in position in a state where the end frame is completely inserted into the case body as the expanding portion is inserted into the engagement groove.

KR1020150138771A 2015-10-01 2015-10-01 Thin Plate Type Minimum Size Beacon KR20170039820A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101489863B1 (en) 2014-08-28 2015-02-05 주식회사 이도링크 Beacon terminal and monitoring system with beacon terminal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101489863B1 (en) 2014-08-28 2015-02-05 주식회사 이도링크 Beacon terminal and monitoring system with beacon terminal

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