KR101673996B1 - Wearable laser pointer in finger - Google Patents

Wearable laser pointer in finger Download PDF

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Publication number
KR101673996B1
KR101673996B1 KR1020150087365A KR20150087365A KR101673996B1 KR 101673996 B1 KR101673996 B1 KR 101673996B1 KR 1020150087365 A KR1020150087365 A KR 1020150087365A KR 20150087365 A KR20150087365 A KR 20150087365A KR 101673996 B1 KR101673996 B1 KR 101673996B1
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KR
South Korea
Prior art keywords
laser pointer
screen
finger
unit
laser
Prior art date
Application number
KR1020150087365A
Other languages
Korean (ko)
Inventor
장원제
소순열
Original Assignee
목포대학교산학협력단
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Application filed by 목포대학교산학협력단 filed Critical 목포대학교산학협력단
Priority to KR1020150087365A priority Critical patent/KR101673996B1/en
Application granted granted Critical
Publication of KR101673996B1 publication Critical patent/KR101673996B1/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/18—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective
    • G02B27/20—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical projection, e.g. combination of mirror and condenser and objective for imaging minute objects, e.g. light-pointer

Abstract

The present invention relates to a laser pointer comprising: a body (4) formed as a thimble in order to be worn on a finger; a contact unit (6) which is placed on and connected to a back part of the body (4) by means of a hinge; a sensing unit (8) which generates an operating signal of a laser pointer (2) by means of a physical contact between the body (4) and the contact unit (6); a light emitting unit (10) which emits a laser light by the operating signal of the laser pointer (2) generated by the sensing unit (8); and a button unit (12) which turns on/off the power of the laser pointer (2) and has a control function of a slide screen. When a presenter straights his finger to point a screen while wearing a laser pointer (2) on the finger, the light emitting unit (10) emits a laser light by a sensing signal of the sensing unit (8) such that the use of the laser pointer (2) is convenient. In addition, the presenter performs functions such as a change of presentation screens by using the laser pointer (2) worn on a finger, such that the presenter and participants all focus on the presentation.

Description

[0001] WEARABLE LASER POINTER IN FINGER [0002]

The present invention relates to a laser pointer, and more particularly to a laser pointer which can be worn on a finger.

Typically, a laser pointer is used by the presenter to point to a specific part of the screen during a seminar or conference. The presenter holds the laser pointer with one hand and points to the screen. do.

Conventional laser pointers are inconvenient because the presenters must always present the laser pointer in their hands.

Furthermore, the presenter is not free to take a free gesture with both hands holding a presentation on one hand and a laser pointer on the other hand, and it is inconvenient to manipulate the computer to switch presentation screens.

Korean Patent Laid-Open No. 10-2009-0030364, " finger-type laser pointer (prior art document) " has been published as a conventional technique for solving the above problems.

The preceding document is constructed so that the laser pointer is put on the finger of the presenter and pointed to the pointing direction using a finger having a laser pointer inserted at the time of presentation.

However, in the prior art, since the light emission control switch must be depressed to turn on the laser emission module with the finger pointing to the screen, it is troublesome to always press the light emission control switch to use the laser pointer.

In addition, since there is only a function of instructing a screen using a laser pointer inserted in a finger, and unnecessary movement for computer operation such as screen switching is caused when a speaker needs to proceed alone, such as an open lecture or a task report, There is a problem that it can not concentrate on the presentation.

Accordingly, it is an object of the present invention to provide a laser pointer which can emit a laser pointer only by a hand operation of pointing the screen with a finger while wearing a laser pointer on the finger.

The present invention also provides a laser pointer capable of switching presentation screens using a laser pointer while a presenter wears the laser pointer on the finger.

According to the present invention, there is provided a laser pointer comprising: a body (4) having a thimble shape so as to be worn on a finger; a contact portion (6) located at the rear of the body (4) A sensing part 8 for generating an operation signal of the laser pointer 2 by physical contact of the contact part 6 with the laser pointer 2 generated by the sensing part 8 and an operation signal of the laser pointer 2 generated by the sensing part 8, And a button unit (12) having a control function of a slide screen while turning on / off the power of the laser pointer (2).

In the present invention, when a finger is straightened while a laser pointer is worn on a finger of a presenter, the laser pointer is easily used by emitting a laser beam by a light emitting part by a sensing signal of a sensing part.

In addition, the present invention can perform functions such as switching of a presentation screen by using a laser pointer worn on a finger, so that both the speaker and the attendee can concentrate on the presentation.

1 is a perspective view showing a configuration of a laser pointer wearable on a finger according to an embodiment of the present invention;
FIG. 2 is a view showing the state of use of the laser pointer according to the present invention,
FIGS. 3A and 3B are diagrams showing an operation configuration of a laser pointer worn on a finger,
FIG. 4 is a block diagram illustrating a presentation screen operation method using the button unit of the present invention;

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

FIG. 1 is a perspective view of a laser pointer according to an embodiment of the present invention, and FIG. 2 is a view of the laser pointer worn on a finger.

The laser pointer 2 according to the present invention includes a body 4 to be worn on the fingertip, a contact portion 6 which is hinged to the body 4 at the rear of the body 4 worn on the finger, A sensing portion 8 for generating an operating signal by physical contact of the contact portion 6 and the contact portion 6, a light emitting portion 10 for emitting laser light by an operation signal by the sensing portion 8, And a button unit 12 for providing an additional function using the laser pointer 2 together with the power control of the laser pointer 10.

The body 4 is formed in the form of a thimble so that it can be worn on the tip of the finger. In a preferred embodiment, the body 4 is worn on the index finger of the hand.

In general, when a person uses his / her finger to indicate an object, it is a finger of the index finger, so that the body 4 can be worn on the index finger.

The body 4 and the contact portion 6 are attached and detached by the operation of bending and folding the index finger while the contact portion 6 is rotatably hinged to the rear of the body 4, And generates an operation signal.

The proximity of the body 4 and the contact 6 serves as a switch for operating the laser pointer 2. The operating signal of the laser pointer 2 is transmitted by the body 4 and the proximity of the contact 6 And in detail, the sensing portion 8 is provided in the vicinity of the body 4 and the contact portion 6 to generate an operation signal of the laser pointer 2. [

The sensing unit 8 senses the contact of the body 4 and the contact unit 6 and generates an operation signal of the laser pointer 2. The sensing unit 8 senses a Hall sensor or a magnetic resistance Sensor.

Hall effect sensors generate a control signal by generating a voltage in a direction perpendicular to a current and a magnetic field when a magnetic field is brought close to a conductor through which a current flows. As an embodiment of the present invention, The hall sensor senses the magnetic field of the magnet 24 as the body 4 and the contact portion 6 are adjacent to each other by attaching the magnet 24 to either one of the laser pointer 2 ≪ / RTI >

The magnetoresistive sensor generates an ON / OFF control signal by using a resistance that changes due to the influence of a magnetic field. As an embodiment of the present invention, the magnet 4 is provided on one side of the body 4 and the contact portion 6, A magnetoresistive sensor is provided on the opposite side of the contact portion 6 to generate an operation signal of the laser pointer 2 by recognizing the magnetic field of the magnet 24 as the body 4 and the contact portion 6 are adjacent to each other, When the body 4 and the contact portion 6 are adjacent to each other, the laser pointer 2 is turned on and when the body 4 and the contact portion 6 are separated from each other, the laser pointer 2 is turned off.

3A, when the finger 4 is bent as shown in FIG. 3A in the state where the body 4 and the contact portion 6 are worn, the body 4 and the contact portion 6 are separated from each other and the operation signal is not generated by the sensing portion 8, 3b, the body 4 and the contact portion 6 are adjacent to each other, and an operation signal of the laser pointer 2 is generated by the sensing unit 8, as shown in FIG. 3b.

This is because when the finger is extended to point the screen, the body 4 and the contact portion 6 are adjacent to each other and the laser pointer 2 is operated.

The sensing part 8 senses the proximity of the body 4 and the contact part 6 generates an operation signal of the laser pointer 2 and outputs a laser light through the light emitting part 10 provided at the front center of the body 4 And controls to fire.

The light emitting unit 10 uses a semiconductor laser as a light source and generates an operation signal by the sensing unit 8, that is, when the fingertip covers the body 4 and the contact unit 6, And the laser beam is emitted.

The laser pointer 2 of the present invention may include a small battery (not shown) for supplying power to the light emitting unit 10 that emits laser light, and the small battery may be charged by connecting a USB port. In addition, it is also possible to install a small battery in a replaceable manner and replace the battery when the current is consumed.

1, the present invention provides an additional function of controlling a slide screen by operating a laser pointer 2 while a presenter conducts a conference using a button unit 12 provided at one side of a body 4 can do.

The additional function provided through the button unit 12 may be a presentation screen switching function and a power ON / OFF function of the laser pointer 2. [

In the embodiment of the present invention, when the button portion 12 of the laser pointer 2 is pressed once, the events to be executed on the currently displayed slide screen are sequentially executed, and when the button is pressed twice, the slide screen is moved to the next screen, 12) three times to return to the previous screen of the current slide screen. When the button unit 12 is held for a predetermined time, the power of the laser pointer 2 is turned on or off.

In the present invention, a screen control signal can be transmitted and received by a Bluetooth wireless communication with a video projector 18 such as a beam projector, a PC, or the like, which provides a slide screen to provide an additional function by the button unit 12.

4, when a button unit 12 is pressed in accordance with a control situation, a control signal generator 14 generates a signal for controlling a slide screen, and the generated control signal is transmitted to a video To the providing device 18.

The image providing apparatus 18 receives the slide screen control signal through the Bluetooth receiving module 20 and transmits the slide screen control signal to the operation control unit 22 to control the image providing apparatus 18 to execute the event of the slideshow screen, , Previous slide movement, ON / OFF of the laser pointer 2, and the like.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited by the described embodiments but should be determined by the equivalents of the claims and the claims.

(2) - laser pointer (4) - body
(6) - contact portion (8) - sensing portion
(10) -light emitting portion (12) -button portion
(14) -control signal generator (16) -bluetooth transmission module
(18) - Image providing device (20) - Bluetooth receiving module
(22) - operation control part (24) - magnet

Claims (5)

In the laser pointer,
A body 4 formed in a thimble shape so as to be worn on the fingertip, a contact portion 6 which is hinged to be rotatably positioned at the rear of the body 4 and a contact portion 6 which is physically contacted with the body 4 and the contact portion 6 A sensing unit 8 for generating an operation signal of the laser pointer 2 by the sensing unit 8 and an operation signal of the laser pointer 2 generated by the sensing unit 8 at the front center of the body 4 A light emitting unit 10 for emitting laser light by the laser pointer 2 and a button unit 12 provided on the side of the body 4 for turning on and off the power of the laser pointer 2 and having a slide screen control function Respectively,
The sensing unit 8 may be any one of a Hall sensor and a magnetoresistive sensor,
The laser pointer 2 includes a control signal generator 14 for generating a slide screen control signal by the operation of the button unit 12 and a Bluetooth transmitter module 18 for transmitting the generated control signal to the image providing apparatus 18 16,
The slide screen control signal, which is generated by the operation of the button unit 12,
When the button unit 12 is pressed once, the events executed on the currently displayed slide screen are sequentially executed. If the button is pressed twice, the slide screen goes to the next screen. If the button is pressed three times, the screen returns to the previous screen of the current slide screen. 12) for a predetermined period of time to turn on / off the power of the laser pointer 2,
Wherein the laser pointer (2) is powered by a small battery or a USB connection.
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KR1020150087365A 2015-06-19 2015-06-19 Wearable laser pointer in finger KR101673996B1 (en)

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KR1020150087365A KR101673996B1 (en) 2015-06-19 2015-06-19 Wearable laser pointer in finger

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Application Number Priority Date Filing Date Title
KR1020150087365A KR101673996B1 (en) 2015-06-19 2015-06-19 Wearable laser pointer in finger

Publications (1)

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KR101673996B1 true KR101673996B1 (en) 2016-11-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106781848A (en) * 2016-12-16 2017-05-31 朱虹斐 Laser pointer
US11646604B2 (en) 2020-11-02 2023-05-09 Electronics And Telecommunications Research Institute Wireless device including thermoelectric and photoelectric energy harvesting elements and operating method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907147A (en) * 1993-04-02 1999-05-25 Psc, Inc. Non-contact actuated trigger apparatus for bar code laser scanner
KR20080017194A (en) * 2006-08-21 2008-02-26 엘지전자 주식회사 Wireless mouse and driving method thereof
WO2011042622A2 (en) * 2009-10-05 2011-04-14 Hitpool Systems Laser pointer device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907147A (en) * 1993-04-02 1999-05-25 Psc, Inc. Non-contact actuated trigger apparatus for bar code laser scanner
KR20080017194A (en) * 2006-08-21 2008-02-26 엘지전자 주식회사 Wireless mouse and driving method thereof
WO2011042622A2 (en) * 2009-10-05 2011-04-14 Hitpool Systems Laser pointer device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106781848A (en) * 2016-12-16 2017-05-31 朱虹斐 Laser pointer
US11646604B2 (en) 2020-11-02 2023-05-09 Electronics And Telecommunications Research Institute Wireless device including thermoelectric and photoelectric energy harvesting elements and operating method thereof

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