KR20170034274A - A led wristwatch of bandtype - Google Patents

A led wristwatch of bandtype Download PDF

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Publication number
KR20170034274A
KR20170034274A KR1020150132716A KR20150132716A KR20170034274A KR 20170034274 A KR20170034274 A KR 20170034274A KR 1020150132716 A KR1020150132716 A KR 1020150132716A KR 20150132716 A KR20150132716 A KR 20150132716A KR 20170034274 A KR20170034274 A KR 20170034274A
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KR
South Korea
Prior art keywords
led
decorative member
assembly plate
wrist
battery
Prior art date
Application number
KR1020150132716A
Other languages
Korean (ko)
Other versions
KR101992990B1 (en
Inventor
박순덕
Original Assignee
박순덕
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박순덕 filed Critical 박순덕
Priority to KR1020150132716A priority Critical patent/KR101992990B1/en
Publication of KR20170034274A publication Critical patent/KR20170034274A/en
Application granted granted Critical
Publication of KR101992990B1 publication Critical patent/KR101992990B1/en

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/14—Suspending devices, supports or stands for time-pieces insofar as they form part of the case
    • G04B37/1486—Arrangements for fixing to a bracelet
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G04G17/045—Mounting of the display
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0035—Details constructional
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0082—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08
    • G04G9/0088—Visual time or date indication means by building-up characters using a combination of indicating elements and by selecting desired characters out of a number of characters or by selecting indicating elements the positions of which represents the time, i.e. combinations of G04G9/02 and G04G9/08 by controlling light sources, e.g. electroluminescent diodes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an LED watch which is wound on a wrist by one-touch operation. More specifically, a decorative pattern is formed on a surface of a decorative member worn on a wrist, The present invention relates to an LED watch which is wound on a wrist by a one-touch operation which is used as a watch that causes curiosity as it is exposed to a decorative layer on the front side through a decorative member.

Description

A led wristwatch of bandtype is a one-touch watch in which an LED light is transmitted through a surface of a decorative member,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an LED watch which is wound on a wrist by one-touch operation. More specifically, a decorative pattern is formed on a surface of a decorative member worn on a wrist, And an LED clock which is wound on the wrist by a one-touch operation which is used as a watch that causes curiosity by being exposed to the front surface through the surface of the decorative member.

In general, a clock which is wound on the wrist with one-touch is a watch having a curved surface whose cross section is curved and a long metal piece is formed in the longitudinal direction as described in Registration Practical Utility Model Registration No. 20-0467437, On a wrist strap in which an elastic cover having a uniform thickness is formed,

A main body having a bottom portion formed with a fitting portion is engaged,

When an external force is applied to the wrist strap, the metal piece is wound and worn on the user's wrist.

However, these watches are used as toy watches for children, but recently they are also used as fashion items.

In other words, it is possible to provide a soft decorative member in which a pattern, a character, a logo, or the like that a child or an adult likes can be formed, a receiving portion is formed on the decorative member and a fitting portion is formed on the bottom,

And a wristwatch is coupled to the fitting portion of the lower end in a state where the main body is housed inside the receiving portion of the decorative member so that the main body is made to stand out by the decorative member having a specific pattern or pattern.

However, in order to allow the time indicated by the main body to be displayed, the watch, which is wound on the wrist by the one-touch operation, must be exposed outside the receiving portion of the decorative member,

In addition, even if a specific pattern or logo is formed on the decorative member, there is a limitation that it is necessary to form a pattern around the rim or periphery by avoiding the top of the exposed main body.

Therefore, as shown in Fig. 8, the conventional decorative member has to be large and thick,

Especially, when the LED or the like is installed on the decorative member in order to make it stand out, a space for accommodating the fitting groove, the electric wire, and the battery is required in the rim,

The children's wrists wearing these items are slim and thin, so they are not suitable for use by children, so there was a limit. (Korean Utility Model No. 20-2014-6504)

Domestic Registration Utility Model Registration Number: 20-046743

Accordingly, the present invention minimizes the size of the decorative member,

At the same time, a pattern, a pattern, or a character formed on the decorative member is desired to be freely formed.

To this end, according to the present invention, a decoration layer having a specific pattern or character formed on a surface of a decorative member is formed,

A receiving portion is formed at the lower end of the decorative member,

And an LED module is mounted on the accommodating portion,

And a lower cover body having a fitting portion is coupled to the lower end of the receiving portion,

The LED light is transmitted through the surface of the decorative layer on which a specific pattern or character is formed on the inside of the receptacle so that the light is guided to the present time.

The present invention is characterized in that a specific pattern or character is formed on the surface of a decorative member to be used as a fashion item for children, and when the decorative layer having a specific pattern of the decorative member is touched, the LED light passes through the surface of the decorative member As it becomes exposed to the front, it becomes possible to use it as a curiosity watch, and it has got differentiated competitiveness.

In addition, it is not necessary to expose the top of the watch, so that the size of the decorative member can be minimized, and a specific pattern, pattern or character can be freely formed on the decorative member, .

1 is a perspective view of an LED watch according to an embodiment of the present invention;
2 is an exploded perspective view of an LED watch according to an embodiment of the present invention;
3 is an enlarged perspective view of the LED module of FIG. 2; FIG.
4 is an enlarged perspective view of the LED module of FIG.
FIG. 5 is a perspective view showing a state in which the LED module of FIG. 3 is disassembled; FIG.
6 is an enlarged perspective view showing a state in which the LED module of FIG. 3 is disassembled from the bottom.
FIG. 7 is a diagram showing the state of use of the LED clock according to the embodiment of the present invention
FIG. 8 is a perspective view showing a watch that is wound around the wrist by a conventional one-touch method; FIG.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a bracelet or a watch used as a fashion item according to an embodiment of the present invention, and FIG. 2 is an enlarged view showing a state when the bracelet or the watch is disassembled.

The present invention relates to a watch ring (1) having a curved curved surface and a long metal piece formed in a longitudinal direction, an elastic cover having a uniform thickness on the outer side of the metal piece, When the decorative member 10 on which the decorative member 22 is formed is engaged and an external force is applied to the watch bracelet 1, the watch bracelet is curled and worn on the wrist.

At this time, the decorative member 10 is formed with a decoration layer 11 having a specific pattern or character formed on the upper surface thereof, and the receiving portion 12 is formed at the lower end thereof inwardly,

A plurality of LEDs are provided inside the accommodating portion 12 and an LED module 30 having a plurality of 7 segments for displaying numbers from 0 to 9 is selectively inserted into the accommodating portion 12 And becomes buried.

The bottom end of the accommodating portion 12 is formed with a receiving end 21 at its upper portion and the bottom cover 20 with the fitting portion 22 formed at its lower end is assembled, It is supposed to cover.

The decorative member 10 is formed of a specific character, a polygon, a circular or elliptical shape, and is made of an opaque material. The shape of the LED module 30, Layer 11 so as not to be seen,

The decorative member 10 is made of a soft material and the gap between the particles is larger than that of the light, so that the LED light is transmitted through the decorative member 10 and the decorative layer 11 by the light leakage phenomenon or the transmittance.

For example, the decorative member 10 may be made of various materials having good transmittance according to the embodiment. In the present invention, the decoration member 10 is made of soft silicone or epoxy resin, The light is visible through the decorative member 10 and the decorative layer 11 when the LED module 30 emits light even though the LED module 30 housed in the interior is not visible.

At this time, the LED light may be of various colors, but it may have a luminance value of a certain amount or more and a short wavelength as possible so that the light is transmitted through the decorative member made of silicon and the decorative layer to be exposed to the front side.

The decorative member 10 of the decorative member 10 is formed in a flexible form so that the LED module 30 housed in the interior of the frame 13 is bent or folded, Is fixedly installed.

At this time, the upper and lower ends of the frame 13 are perforated so that it is possible to detect the pressing of the LED module when a specific portion of the decorative layer is pressed.

The frame 13 may be made of various materials such as metal or an injection molded product. However, the cover layer may be formed of silicone or epoxy resin, which is the same material as the decorative member 10, And protects the LED module 30 housed inside.

The lower cover body 20 is formed of an injection molding and forms a support end 21 having an upper edge extended to the outside and a pair of fitting portions 22 protruding downward from the support end 21, And a fitting hole 23 is formed in the fitting portion so that a watch string is inserted into the fitting hole.

The supporting end 21 is in close contact with the lower end of the frame 13 fixed to the inner edge of the receiving portion 12 while the inside of the opened receiving portion is covered while the screws are assembled in the screw hole formed in the frame .

In addition, the lower cover body 30 may be made of the same material as the decorative member 10 according to the embodiment, and may be fixedly installed by ultrasonic bonding, heat sealing, or the like.

7, the present invention forms a specific pattern or character on the surface of the decorative member 10 so as to be used as a fashion item for children, and then presses a specific portion of the decorative layer 11 to press the LED module 30 The LED light is transmitted through the surface of the decorative member 10 to be exposed to the front of the decorative member 10, and the present time, which is not visible in the decorative layer 11, is displayed by the LED light, So that it can be used.

3 is a view showing an LED module inserted into a receiving portion of a decorative member according to an embodiment of the present invention, FIG. 4 is a view showing the LED module of FIG. 2 viewed from the bottom, 5 and 6 are perspective views showing a state in which the LED module is disassembled.

The LED module 30 includes an upper assembly plate 40, a lower assembly plate 60, an LED substrate 50, and a battery 50. The upper assembly plate 40, the lower assembly plate 60, The decorative member 10 is inserted into the receiving portion 12 of the decorative member 10 in a state where the decorative member 70 is integrally assembled and modularized.

That is, the LED module 30 is positioned between the upper assembly plate 40 on which the switch 45 is formed and the lower assembly plate 60 on which the battery 70 is mounted, When the upper assembly plate 40 and the lower assembly plate 60 are to be coupled, an LED substrate disposed therebetween is fixedly installed and operated.

A plurality of guide holes 41 are vertically formed in the upper assembly plate 40 and the LEDs 51 of the LED substrate 50 located on the inner side of the guide holes 41 are positioned .

At this time, the guide hole 41 is vertically penetrated. In addition, a hooking protrusion 44 is formed on the edge of the upper assembly plate 40. A coupling pillar 46 protruding in the vertical direction is formed on the inner side of the upper assembly plate 40. The coupling pillar 46 is inserted into the coupling hole 56 of the lower LED substrate 50 do.

The cutout line 43 and the opening 44 are spaced apart from each other in the upper assembly plate 40. The cutout line 43 and the opening 44 are formed on the inner side of the LED substrate 50, And the contact portion 53 of the contact portion 53 is spaced apart.

At this time, the switch 45 bends one side of the upright partition 45a inwardly to form a bottom surface 45b which abuts on one side contact portion 53a of the lower LED substrate 50, Thereby forming an elastic piece 45d spaced apart from the other contact portion 53b of the LED substrate 50 located at the lower portion.

Each of the elastic piece 45d and the bottom surface 45b has one end and the other end bent outwardly and inwardly to form a fitting piece 45c and a contact piece 45e which face each other with the partition wall therebetween do.

The bottom surface 45b is brought into contact with the one side contact portion 53a of the LED substrate 50 while the elastic piece 45d is in contact with the opening portion 42).

Accordingly, when the elastic piece 45b is pressed, the contact piece 45d bent downward comes into contact with the other contact portion 53b of the LED substrate 50, so that the LED operates.

A plurality of LEDs 51 are mounted on the upper surface of the LED substrate 50. The LEDs 51 are positioned inside the guide holes 41 of the upper assembly plate 40, And the other contact portion contacting the contact piece when the elastic piece of the switch is bent is formed. In addition, a pair of electrode contact portions contacting the battery mounted on the lower assembly plate are formed at the lower end of the LED substrate.

The lower assembly plate 60 has a mounting hole 61 through which the battery 70 is inserted in the upper and lower parts of the inner center, A pair of protruding pieces 62a and 62b are formed so that when the battery 70 is positioned inside the mounting hole, the upper and lower protruding pieces are fixed while holding the rim of the battery located inside. do.

An engaging hole 63 is formed in the edge of the lower assembly plate 60 so as to protrude upward and an engaging hole 64 is formed in the engaging piece 63. The upper assembly plate 40, When the lower assembly plate 60 is closely contacted, the shoulder tabs 44 of the upper assembling plate 40 are inserted into the engaging holes 64 and assembled in an integrated state.

One side of the elastic body 65 is connected to the battery 70 mounted inside the battery hole 61 and the lower assembly plate 60 is connected to the lower assembly plate 60. [ The elastic body 65 contracts while the LED substrate 50 is in close contact with the upper assembly plate 40 while the electrode assembly 60 is coupled with the upper assembly plate 40, 55b, respectively.

The battery 70 is a coin type battery. The coin battery has a protruding pin 71 formed at the center of the coin battery. When the coin battery is mounted in the battery mounting hole of the lower panel, The protruding pin 71 is brought into contact with the other electrode contact portion 55b formed at the lower portion of the LED substrate 50 and the current of the coin battery flows toward the LED substrate 50 during assembly .

Hereinafter, an operation process of the LED clock according to the embodiment of the present invention will be described.

First, the upper assembly plate 40 and the LED substrate 50 are brought into close contact with each other, and the assembly is inserted into the coupling holes 46 of the upper assembly plate 40 and assembled into the coupling holes 56 of the LED substrate.

At this time, the bottom surface of the switch located inside the incision line of the upper assembly plate 40 comes into contact with one side contact portion of the LED substrate, and at the same time, the elastic piece and the contact piece of the switch located inside the opening are spaced apart from the other side contact portion of the LED substrate .

The coin battery is inserted into the mounting hole formed inside the lower assembling plate 60, and the coin battery is mounted on the inner side by the projecting pieces formed on the upper and lower parts.

When the lower assembling plate 60 is brought into close contact with the upper assembling plate 40, the elastic body provided inside and the projecting pins formed at the center of the battery are brought into contact with the electrode contacting portions formed at the lower end of the LED substrate, do.

In this case, the elastic body and the projecting pin are brought into contact with the upper and lower electrode assemblies, respectively.

At this time, the LED substrate is assembled between the upper assembling plate and the lower assembling plate while the engaging projections of the upper assembling plate are inserted into the engaging holes protruding upward in the rim of the lower assembling plate 60.

At this time, the decorative member 10 is made of soft silicone or epoxy resin. In particular, a decorative layer having a specific pattern or character is formed on the upper end of the decorative member, and a receiving portion is formed in the lower portion.

A frame is inserted into the receiving portion of the decorative member 10, and the outside of the frame is coated with the same silicone or epoxy resin as the decorative member, and the frame is fixed inside the receiving portion.

In addition, a lower cover body having a receiving end formed at an upper portion thereof is assembled to the inside of the frame, the LED module is inserted into the lower end of the frame, and a wristband to be worn on the wrist is inserted into the fitting portion of the cover body It will be.

At this time, the present invention is utilized as a fashion item such as a bracelet by the decorative layer formed on the surface of the decorative member.

At this time, when the decorative layer on the upper side of the frame is pressed, the frame is vertically pierced so that pressure is applied to the upper end of the LED module which is inserted inside the receiving portion,

At this time, as the elastic piece located inside the opening of the upper assembly plate is pressed down, the contact piece of the elastic piece is brought into close contact with the other contact portion of the LED substrate, so that the conductive piece is made conductive.

When the power of the coin battery mounted on the lower assembly plate is conducted to the LED substrate, the LEDs inside the guide holes start to emit light.

At this time, the LEDs are controlled by the timer 55 mounted on the printed circuit board 54, and the LEDs located inside the seven guide holes are operated to represent the numbers from 0 to 9.

Since the particles of light emitted at this time are smaller than the interval between the particles of silicon or epoxy resin forming the decorative member, the particles are irradiated outside the decorative layer on the front surface due to light leakage or transmittance,

The light of the built-in LED module can be seen in the decorative layer, and the present time can be informed.

At this time, the LED to be displayed is continuously emitted for a predetermined time after the touch, and the LED emission is stopped when the set time has elapsed.

Therefore, according to the present invention, since a specific pattern or character is formed on the surface of the decorative member, it is used as a fashion item for children, and the LED light is transmitted through the surface of the decorative member to be exposed to the front, It is becoming possible.

In this case, since the main body is built in, it is not necessary to separately form a part for expressing the time guided by the clock. Therefore, the size of the decorative member can be minimized, and the size of the decorative member can be minimized, It is possible to provide a watch suitable for children to wear while having excellent design characteristics.

1: Watch band 10: decorative member
11: decorative layer 12: accommodating portion
13: frame 20: bottom cover
21: Supporting end 22:
23: insertion hole 30: LED module
40: upper spool plate 41: guide hole
42: opening 43: incision line
44: latching jaw 45: switch
46: coupling column 50: LED substrate
51: LED 52: Timer
53: contact portion 54: board
55: electrode 56: engaging hole
60: lower assembly plate 61: mounting hole
62: projecting piece 63: engaging piece
70: Battery

Claims (8)

A wrist watch comprising a decorative member and wound on a wrist by one-touch, comprising: a decorative layer having a specific pattern or character formed on a surface of the decorative member; an inner receiving portion formed at a lower end of the decorative member; A plurality of LEDs are disposed on the inside of the housing and selectively illuminate the LED module to illuminate the LEDs, and a lower cover body having a receiving end formed on the upper end thereof and a fitting part formed on the lower end thereof, When the built-in LED module is operated, the LED light passes through the surface of the decorative layer and the decorative member and is exposed to the outside, and the current time So that the LED light passes through the surface of the decorative member and is exposed One-touch watch on the wrist is wrapped on the wrist The method according to claim 1,
The decorative member and the decorative layer are made of an opaque material, and the light of the LED module, which is made of soft silicone or epoxy resin and is embedded in the inside by the light leakage phenomenon or the light transmittance, And the decorative layer is made to be visible on the front surface of the decorative member. The LED light is wound on the wrist by one-touch The method according to claim 1,
And a frame having a cover layer formed of the same material as that of the decorative member is tightly coupled to the inner periphery of the accommodating portion so as to penetrate the upper end and the lower end of the accommodating portion, And the LED module housed in the inner portion is prevented from being damaged by being bent or folded. [3] The LED module according to claim 1, The method according to claim 1,
The LED module includes a lower assembly plate on which a battery is mounted, a plurality of upright engagement pieces are formed on a rim, a coupling hole is formed in the engagement piece,
A plurality of guide holes and switches are formed, and between the upper and lower assembly plates,
An LED substrate on which a plurality of LEDs are mounted is assembled in a close contact state,
When the switch formed on the upper assembly plate is operated, each of the LEDs mounted on the LED substrate receives power from the battery formed on the lower assembly plate and is guided out through the respective guide holes formed in the upper assembly plate And the LED light is irradiated through the surface of the decorative member so as to be illuminated. 5. The method of claim 4,
In the upper assembly plate, a cutting line and an opening are formed at regular intervals,
A switch is provided in the opening and the incision line,
The switch is formed by bending an upright partition wall in a downward direction in a downward direction to form a bottom surface which abuts on one side contact portion of the LED substrate while simultaneously bending the other side in an upward direction and separating the other side contact portion of the LED substrate, And,
The bottom surface and the end portions of the flange are bent upward and downward to form a pair of fitting pieces and a contact piece facing each other with the partition wall therebetween,
The elastic piece is protruded out of the opening when the bottom is sandwiched with the bottom surface of the cut-out line, and when the top is pressed, the contact piece comes into contact with the other side contact portion of the LED substrate at the bottom of the opening to drive the LED The LED light to be displayed is transmitted through the surface of the decorative member and is displayed on the wrist by one-touch LED display 5. The method of claim 4,
The LED substrate has a plurality of LEDs mounted thereon. Each of the LEDs is positioned inside a guide hole of the upper assembly plate. A pair of contact portions are spaced apart from the cut line of the upper assembly plate and the lower end of the opening portion Wherein a timer for controlling the LED is mounted and a pair of electrode contacts abutting the battery mounted on the lower assembly plate is formed at the lower end of the LED assembly. To be displayed by one-touch wrist wrapped LED watch 5. The method of claim 4,
The lower assembly plate has a mounting hole formed at an inner center thereof so as to be vertically penetrated and having a battery inserted therein. An inner rim of the mounting hole is formed with a pair of protruding pieces spaced from each other at an upper portion thereof. And a pair of protruding pieces are formed between the protruding piece and the protruding piece so as to be fitted in the mounting hole to fix the battery. The LED light is transmitted through the surface of the decorative member, Cold LED watch 8. The method of claim 7,
One side of the elastic body is connected to a battery mounted inside the mounting hole to supply power, and at the same time when the lower assembling plate and the upper assembling plate are coupled to each other, the elastic body is contracted And the LED substrate is held in close contact with the upper assembly plate. [5] The LED display according to claim 1, wherein the LED light is transmitted through a surface of the decorative member,

KR1020150132716A 2015-09-18 2015-09-18 A led wristwatch of bandtype KR101992990B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150132716A KR101992990B1 (en) 2015-09-18 2015-09-18 A led wristwatch of bandtype

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150132716A KR101992990B1 (en) 2015-09-18 2015-09-18 A led wristwatch of bandtype

Publications (2)

Publication Number Publication Date
KR20170034274A true KR20170034274A (en) 2017-03-28
KR101992990B1 KR101992990B1 (en) 2019-06-26

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KR1020150132716A KR101992990B1 (en) 2015-09-18 2015-09-18 A led wristwatch of bandtype

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110122991A (en) * 2019-04-29 2019-08-16 云谷（固安）科技有限公司 A kind of wearable device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11339744A (en) * 1998-05-29 1999-12-10 Amp Japan Ltd Battery holder
JP2005121841A (en) * 2003-10-15 2005-05-12 Citizen Watch Co Ltd Electronic appliance module
KR20070109307A (en) * 2006-05-10 2007-11-15 허봉락 Luminous band
JP2008128764A (en) * 2006-11-20 2008-06-05 Ricoh Elemex Corp Led display watch
JP2012211893A (en) * 2011-03-22 2012-11-01 Citizen Holdings Co Ltd Electronic watch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11339744A (en) * 1998-05-29 1999-12-10 Amp Japan Ltd Battery holder
JP2005121841A (en) * 2003-10-15 2005-05-12 Citizen Watch Co Ltd Electronic appliance module
KR20070109307A (en) * 2006-05-10 2007-11-15 허봉락 Luminous band
JP2008128764A (en) * 2006-11-20 2008-06-05 Ricoh Elemex Corp Led display watch
JP2012211893A (en) * 2011-03-22 2012-11-01 Citizen Holdings Co Ltd Electronic watch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110122991A (en) * 2019-04-29 2019-08-16 云谷（固安）科技有限公司 A kind of wearable device
CN110122991B (en) * 2019-04-29 2021-03-19 云谷（固安）科技有限公司 Wearable device

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