KR101387731B1 - Pointing Device And Manufacturing Method Thereof - Google Patents

Pointing Device And Manufacturing Method Thereof Download PDF

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Publication number
KR101387731B1
KR101387731B1 KR1020120058329A KR20120058329A KR101387731B1 KR 101387731 B1 KR101387731 B1 KR 101387731B1 KR 1020120058329 A KR1020120058329 A KR 1020120058329A KR 20120058329 A KR20120058329 A KR 20120058329A KR 101387731 B1 KR101387731 B1 KR 101387731B1
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KR
South Korea
Prior art keywords
housing
sensor
pointing device
sensing signal
signal output
Prior art date
Application number
KR1020120058329A
Other languages
Korean (ko)
Other versions
KR20120134080A (en
Inventor
김종욱
이승훈
김필호
임성기
Original Assignee
크루셜텍 (주)
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Priority to KR1020110052369 priority Critical
Priority to KR1020110052366 priority
Priority to KR1020110052507 priority
Application filed by 크루셜텍 (주) filed Critical 크루셜텍 (주)
Priority to KR1020120058329A priority patent/KR101387731B1/en
Publication of KR20120134080A publication Critical patent/KR20120134080A/en
Application granted granted Critical
Publication of KR101387731B1 publication Critical patent/KR101387731B1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00013Image acquisition
    • G06K9/0004Image acquisition by using electro-optical elements or layers, e.g. electroluminescent sensing
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00006Acquiring or recognising fingerprints or palmprints
    • G06K9/00087Matching; Classification
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/245Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945Proximity switches
    • H03K17/955Proximity switches using a capacitive detector

Abstract

The present invention discloses a pointing device for fingerprint recognition and pointing. The pointing device includes: a signal output terminal for outputting a sensing signal for pointing; A housing for transmitting the sensing signal output from the signal output terminal to the outside; And a sensor housed inside the housing.
The pointing device according to the present invention functions as an antenna for transmitting the sensing signal to the outside of the housing itself protecting the sensor, so that an additional component can be prevented from being added and the sensitivity of the pointing device can be improved.

Description

Pointing device and manufacturing method thereof

The present invention relates to a pointing device applied as an interface of an electronic device, and more particularly, to a pointing device capable of detecting a movement of a finger, which is a subject, and further recognizing a fingerprint.

In general, portable terminals such as mobile terminals, PDAs (Personal Digital Assistants), tablet PCs, and the like employ a user interface using a keypad or a touch pad.

2. Description of the Related Art In recent years, wireless Internet services and mobile communication services such as WIBRO (Wireless Broadband) have been commercialized to support communication services and Internet services using mobile terminals, and graphical user interface (GUI) support for mobile terminals such as mobile phones and PDAs (Windows Mobile), Android (Android), and the like are being adopted.

In addition, with the development of communication technology, the portable terminal provides various additional services to the user, and the GUI-based operating system makes it easy to provide additional services by the portable electronic device.

In addition, a pointing device is used for more convenient use of an electronic device. By detecting a signal that changes according to the movement of a finger, which is a subject, a pointer such as a cursor or a user may input a desired information or command. It is applied to electronic devices.

The pointing device may be provided with a sensor to detect a change in a finger and move a cursor (pointer on the screen), and a dome switch or the like may be installed to select a menu or icon where the cursor is located.

In general, fingerprint recognition technology is mainly used to prevent security incidents through user registration and authentication process, and it is used to protect individual and organization's networking, protect contents and data, and secure access to computers or mobile devices. Applied to access control.

Recently, the development of mobile technology has been applied to devices such as a biotrack pad (BTP), a pointing device that detects image data of a fingerprint and performs manipulation of a pointer.

For the fingerprint recognition technology, a fingerprint sensor is applied as a sensor of a pointing device. The fingerprint sensor is a device for recognizing a pattern of a fingerprint of a human finger, and the fingerprint sensor is an optical sensor, an electric (capacitive type and Conductive type), ultrasonic sensor, and thermal sensor, and each type of fingerprint sensor obtains fingerprint image data from a finger by a respective driving principle.

Referring to FIG. 1, a conventional pointing device includes a main board (not shown), a sensor 10 provided on the main board, and a flexible circuit board (FPCB) 12 electrically connected to the sensor 10. ), A signal output terminal 14 for outputting a sensing signal for pointing, for example, an RF signal, a housing (not shown) for accommodating the sensor, and a dome switch (not shown) provided on a bottom surface of the main board. It is configured to include).

Here, the signal output terminal 14 is provided in the flexible circuit board 12, the sensor 10 is a flexible circuit board to send a signal for analyzing the fingerprint shape of the user, for example, RF signal with a finger. Packaged with the signal output terminal 14 implemented in (12).

Meanwhile, in the conventional pointing device, the signal output terminal may be integrally formed in a specific pattern on the sensor. In this case, the signal output terminal may not be exposed to the outside. However, since the size of the pointing device increases, there is a problem of miniaturizing the pointing device.

And the pointing device is a separate component, for example, an antenna for transmitting (transmitting) a sensing signal output from the signal output terminal, for example, an RF signal, to a contact surface with a finger, in order to increase the acquisition sensitivity of the sensing signal. The disadvantage is the need for a functional conductor.

Republic of Korea Patent Publication No. 10-2007-0111623, fingerprint sensor device, published December 27, 2007 Republic of Korea Patent Application Publication No. 10-2011-0055364, pointing devices and electronic devices, published May 25, 2011

It is an object of the present invention to provide a pointing device having a structure in which a housing accommodating a sensor transmits a sensing signal to a subject and further downsizing the sensor.

Another object of the present invention is to provide a pointing device having a structure that can be slimmed and a manufacturing method thereof.

In order to solve the above object, the present invention provides a signal output terminal for outputting a sensing signal for pointing; A housing receiving the sensing signal output from the signal output terminal and transmitting the sensing signal to the outside; And it provides a pointing device comprising a sensor accommodated in the housing.

The sensor is mounted on a substrate, and the signal output terminal is provided outside of the sensor and electrically connected to the housing.

More specifically, the housing surrounds the sensor and is connected to the signal output terminal, and an outer circumferential surface of the housing has a stepped shape. In the present invention, the sensor is characterized in that the movement of the finger and the fingerprint can be recognized.

And the housing; It may include a housing member made of a synthetic resin material and an antenna frame fixed to the housing member to transmit the sensing signal to the outside of the housing.

The antenna frame is made of metal and is provided inside the housing member; The housing member may be configured to form an edge of the housing. Here, the antenna frame may be fixed to the housing member by insert injection, but is not limited thereto.

In addition, the housing may include a housing body accommodating the sensor and a coating layer coated on a surface of the housing body to transmit the sensing signal to the outside of the housing.

And it may be configured to further comprise a UV resin layer coated on the upper side of the sensor. The thickness of the said UV resin layer is 70 micrometers or less.

In another aspect, the present invention provides a sensor for detecting a sensing signal for pointing; An opening formed at a bottom thereof, the housing accommodating the sensor therein; A fixing member provided between the inner surface of the housing and the circumferential surface of the sensor for fixing the sensor; And a housing base provided at the bottom of the sensor and shielding the opening of the housing.

The housing base is a molding material fixed to the bottom of the sensor and seals the opening of the housing.

The housing base may include a protrusion formed on a bottom surface of the housing base to press the dome switch of the electronic device on which the pointing device is mounted. And it may be configured to further comprise a UV resin layer coated on the upper side of the sensor.

The housing may be configured to receive the sensing signal and to transmit the sensing signal to the outside of the housing.

The housing; And a housing frame made of a synthetic resin material and an antenna frame fixed to the housing member to transmit the sensing signal to the outside of the housing.

In still another aspect, the present invention provides a sensor fixing step of fixing a sensor to the housing by installing a fixing member for fixing the sensor to an inside of a housing having an opening formed at a bottom to accommodate the sensor; And a molding step of molding the bottom surface of the sensor with a molding material to shield the opening of the housing.

According to the pointing device and the manufacturing method according to the present invention has the following effects.

First, the pointing device according to the present invention functions as an antenna for transmitting a sensing signal to the outside of the housing itself protecting the sensor, so that an additional component can be prevented from being added and the sensitivity of the pointing device can be improved.

Secondly, according to the present invention, since the signal output terminal is provided on the outside of the sensor, it is possible to miniaturize the sensor, thereby miniaturizing the pointing device and reducing the manufacturing cost.

Third, according to the present invention, since the surface of the sensor for pointing and / or fingerprint recognition is coated with a UV resin, it is possible to prevent the scratch on the surface of the sensor and to prevent the sensitivity of the pointing device.

Fourth, according to the present invention, by omitting the printed circuit board, the pointing device can be made slim, the manufacturing process can be simplified / simplified, and the manufacturing cost can be reduced.

1 is a view schematically showing the internal structure of a conventional pointing device.
2 is a perspective view showing an embodiment of a pointing device according to the present invention.
3 is a cross-sectional view showing an embodiment of a pointing device according to the present invention.
4 is a cross-sectional view showing another embodiment of a pointing device according to the present invention.
5 is a cross-sectional view of a housing applied to the pointing device of FIG. 4.
6 is a perspective view showing another embodiment of a pointing device according to the present invention.
FIG. 7 is a cross-sectional view of the pointing device shown in FIG. 6.
8 is a front view showing an embodiment of an electronic device equipped with a pointing device according to the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, preferred embodiments of the present invention in which the object of the present invention can be specifically realized will be described with reference to the accompanying drawings. In describing the present embodiment, the same designations and the same reference numerals are used for the same components, and additional description thereof will be omitted in the following. Throughout the specification of the present invention, when a configuration is expressed as being "connected" or "fixed" with another configuration, it is connected not only when the two configurations are directly connected or mutually fixed, but also through another configuration or It also includes the case where it is fixed.

First, an embodiment of a pointing device according to the present invention will be described with reference to FIGS. 2 and 3. 2 and 3 are a perspective view and a cross-sectional view showing an embodiment of the pointing device according to the present invention.

The pointing device 100 according to an embodiment of the present invention includes a signal output terminal 110, a housing 120, and a sensor 130.

The signal output terminal 110 emits, i.e., outputs, a sensing signal for pointing. The housing 120 accommodates the sensor 130 and the sensor 130 has pixels arranged for pointing in an array form. It has a sensing area.

In this embodiment, the sensor 130 is mounted on a substrate (PCB, 140), for example, a printed circuit board (PCB), the signal output terminal 110 is the outer (outer side of the sensor 130). ) Is electrically connected to the housing 120. The housing 120 surrounds and protects the sensor 130, and an outer circumferential surface of the housing 120 is stepped. In the present exemplary embodiment, the signal output terminal 110 refers to a portion of the substrate 140 where the sensing signal is output (emitted).

More specifically, the signal output terminal 110 emits a sensing signal for pointing, and the sensing signal is radiated to a subject such as a finger through the housing 120. The sensing signal is not limited to the RF signal because various types of sources such as light or radio waves, for example, a radio frequency (RF) signal, may be used as the sensing signal.

In addition, when an electrical signal including an RF signal is output from the signal output terminal 110 in the state in which the fingerprint of the finger is in contact with the pointing device 100, A difference in electrical characteristics occurs, for example, a difference in capacitance due to a height difference between a peak and a valley of a fingerprint occurs, and accordingly, the sensor 130 detects a fingerprint image and a finger movement.

Specifically, the sensor 130 or the budda fingerprint sensor generates an image or a template through the above-described electrical characteristic difference, and the generated fingerprint image or template may not only identify a fingerprint, authenticate a user, but also move a finger (movement distance / It also tracks the direction of movement. In the present invention, a configuration for performing all movements of a subject (finger) for identification, authentication, and navigation (pointing) of a fingerprint is called a sensor, particularly a fingerprint sensor.

Thereafter, the fingerprint image sensed by the sensor 130 is converted into an electrical signal and then transferred to a microcomputer (not shown) of an electronic device such as a mobile phone through the substrate 140.

In the present embodiment, the housing 120 functions as an antenna for transmitting the sensing signal output from the signal output terminal 110 to the outside, that is, the subject (finger) side, for this purpose, the housing 120 is It is electrically connected to the signal output terminal 110. Accordingly, the sensing signal generated by the signal output terminal 110 propagates to the subject, that is, the finger, through the housing 120 as a medium.

The housing 120 is provided with a conductive part for transmitting the sensing signal to the outside, such as a conductive material such as a metallic conductor or a conductive coating as in another embodiment described later is applied to the housing 120 Can be.

The housing 120 is coupled to the substrate 140 in a manner such as surface mount (SMT), but is not limited thereto, and fixes the sensor 130 interposed therebetween. In addition, the housing 120 has a case shape surrounding the periphery of the sensor 130 and has an outer circumferential surface forming a step to facilitate mounting of the pointing device to an electronic device such as a mobile terminal. When the pointing device 100 is mounted on the electronic device, the inside of the electronic device may not be identified from the outside of the electronic device by the lower flange of the housing 120, thereby providing a concise appearance.

In the present embodiment, the housing 120 has a conductive signal transmitting portion. In more detail, the housing 120 uses the conductive member 121 as a signal transmitting unit for transmitting the sensing signal, for example, the RF signal, and the housing member 122 as a synthetic resin material (synthetic resin). An antenna frame is disclosed as an example of the conductive part.

The antenna frame 121 is provided inside the housing member 122 as a metal material, and the housing member 122 is a main frame forming an edge of the housing and forms the flange of the housing described above. The housing member 122 is a part in contact with the electronic device, and may be produced in a form suitable for assembly to a portable terminal by injecting a synthetic resin such as plastic.

In addition, the housing 120 is electrically connected to the signal output terminal 110 and configured to output a sensing signal (RF signal) to the upper side of the sensor, that is, the region where the subject is located. In the present embodiment, the antenna frame 121, that is, the conductive part is combined with the housing member 122 to form the housing 120, and one side of the antenna frame 121 is electrically connected to the signal output terminal 110. Connected to receive the sensing signal and the upper end of the antenna frame 121 is exposed to the upper surface of the pointing device to emit the sensing signal to the outside. Here, the antenna frame 121 and the signal output terminal 110 on the substrate 140 may be bonded by a conductive adhesive, for example, a conductive material such as silver epoxy, and the antenna frame 121. By exposing to the top surface of the pointing device, a glossy, brilliant, or glossy image can be implemented.

Thus, when the bottom surface of the finger, that is, the finger surface on which the fingerprint is formed, is located above the sensor 130, the sensing signal is transmitted to the bottom of the finger through the housing 120, in particular the antenna frame 121. Propagated to cotton. When the sensing signal propagates to the subject (finger) through the housing 120, the sensing signal causes a difference in capacitance due to a difference in electrical characteristics of a valley and a ridge of a fingerprint of a finger. do. The signal sensed by the sensor 110 may be converted into an electrical signal, amplified by an amplifier (not shown), and transmitted to a microcomputer of the portable terminal through a connector such as a flexible printed circuit board (FPCB) 150.

Here, the antenna frame 121 may be fixed to the housing member 122 by insert injection, but is not limited thereto. When the insert is injected, the antenna frame 121 is first manufactured according to the standard of the sensor 130, and the housing member 122 meets the standard of the portable terminal, more specifically, the mounting part of the pointing device. Inserts are injected in shape and size.

On the other hand, the pointing device 100 according to an embodiment of the present invention may further comprise a dome switch 160. The dome switch 160 may be used to generate a signal for selecting a pointed menu or icon.

The pointing device 100 according to the present invention may further include a UV resin layer 170 coated on an upper surface of the sensor 130, that is, the surface of the sensor facing the object. It is possible to prevent or minimize the generation of scratches due to external stimuli on the surface of the 130). The UV resin layer 170 may be coated only on the upper side of the sensor 120, but may be further coated on the upper side of the housing 120 as well as the upper side of the sensor 130. The UV resin layer 160 may have a thickness of 70 μm or less.

As described above, in one embodiment of the present invention, since the housing 120 includes an antenna frame that is a signal transmitting unit 121 and a housing member that is a synthetic resin unit 122, the housing 120 is included in a standard or design of an electronic device. Not only can it be suitably mounted, but also outputs the RF signal output from the signal output terminal 110 (RF terminal) to the bottom surface of the finger, so that the sensing signal for fingerprint recognition and movement detection can be efficiently applied to the sensor 130. Allow input.

Meanwhile, the housing 120 may have a color in accordance with design requirements. For example, the surface of the housing, in particular, the surface of the antenna frame 121 is formed with a color layer painted in accordance with the design requirements can be improved aesthetics. The color layer may be protected by coating the UV resin layer 170 on the color layer.

Next, another embodiment of the pointing device according to the present invention will be described with reference to FIGS. 4 and 5.

The pointing device 100A disclosed in the present embodiment includes a signal output terminal 110, a housing 120a, and a sensor 130. Also in this embodiment, the housing 120a is configured to function as an antenna for transmitting the sensing signal output from the signal output terminal 110 to the outside, that is, the subject (finger) side, and for this purpose, the housing 120a is It is electrically connected to the signal output terminal 110. Accordingly, the sensing signal generated by the signal output terminal 110 is propagated to the subject, that is, the finger, through the housing 120a as a medium.

The housing 120a is provided with a conductive part 121a for transmitting the sensing signal to the outside. In this embodiment, a configuration such as a conductive coating is applied to the housing 120a as the conductive part 121a.

In more detail, the housing 120a includes a housing body 122a constituting the skeleton of the conductive portion 121a and the housing. In the present embodiment, the housing body 122a is made of synthetic resin, and the conductive part 121a is coated on a surface thereof, and the sensor 130 is accommodated therein. The conductive portion 121a may include a coating layer coated with a conductive material on the surface of the housing body 122a.

More specific examples of the coating layer may be metal plating. In order to manufacture the housing 120a in the present embodiment, the housing may be manufactured by first injection molding the housing body 122a into the shape of the housing 120a and metal plating the surface of the housing body 122a. have. In this case, the upper surface of the housing body is coated by the conductive portion 121a, so that a metallic feeling, for example, a shiny image may be implemented on the exposed surface (upper surface) of the pointing device. In this case, the conductive portion 121a and the signal output terminal 110 may be electrically connected by a conductive adhesive.

Except for the housing 120a, the contents described in the above-described embodiments may be applied in the same manner, and the same reference numerals are used for the same components, and repeated description thereof will be omitted.

Hereinafter, another embodiment of a pointing device according to the present invention and a manufacturing method thereof will be described with reference to FIGS. 6 and 7. 6 and 7 are a perspective view and a cross-sectional view showing another embodiment of the pointing device according to the present invention.

6 and 7, the pointing device 200 according to another embodiment of the present invention includes a sensor 210, a housing 220, a fixing member 230, and a housing base 240. . Since the contents described in the above embodiments may be applied to the sensor 210 in the same manner, additional description of the sensor 210 will be omitted.

The housing 220 has an opening formed at a bottom thereof, and the sensor 210 is accommodated therein. In addition, the fixing member 230 is provided inside the housing 220 for fixing the sensor 210, and is disposed between the sensor 210 and the housing 220.

In more detail, the fixing member 230 may be disposed between the circumferential surface of the sensor 210 and the inner surface of the housing 220 to prevent the movement of the sensor 210. Moisture or foreign matter may be prevented from entering the upper side (sensing area) of the sensor 210 through the opening of the housing 220, that is, the bottom. The fixing member 230 may be made of a ring made of a rubber material or a synthetic resin material sandwiched between the sensor 210 and the housing 220, and the shape of the ring is not limited to a circular shape. The fixing member 230 may be manufactured by injecting a liquid synthetic resin between the 210 and the housing 220 and curing the same.

In addition, the housing base 240 is provided under the sensor 210 to form a bottom of the housing shielding the opening of the housing 220, more specifically, a bottom of the pointing device.

The housing 220 supports the circumference of the sensor 210 via the fixing member 230, and the structure of the housing 220 may be applied to all of the structures described in the above-described embodiments. Alternatively, a sensing signal for fingerprint recognition is received and transmitted to the subject, that is, it is radiated. The housing 220 in this embodiment has the same structure as the housing described in the first embodiment of the present invention. That is, the housing 220 includes an antenna frame, which is a conductive portion 221, and a housing member, which is a synthetic resin portion 222. The housing 220 may be manufactured by the above-described insert injection method, but is not limited thereto. The housing may not have the structure disclosed in the second embodiment of the present invention.

When an electrical signal including the sensing signal, for example, an RF signal is output through the housing 220 while a fingerprint of a finger is in contact with a surface (upper surface) of the pointing device 200, A difference in electrical characteristics occurs according to the shape of the hill and the valley. For example, a difference in capacitance occurs due to the height difference between the hill and the valley of the fingerprint. Accordingly, the sensor 210 detects the fingerprint image and the movement of the finger. do.

The signal sensed by the sensor 210 may be converted into an electrical signal, amplified by an amplifier (not shown), and transmitted to a micro terminal of a mobile terminal, that is, an electronic device, through a connector such as a flexible printed circuit board (FPCB) 250. have.

Next, the housing base 240 supports the sensor 210 and the fixing member 230. In the present embodiment, the housing base 240 is molded by synthetic resin, for example, an molding material (Epoxy Molding Compound). It is a part. In other words, the housing base 240 is a portion formed by injecting and curing a liquid synthetic resin under the sensor 210 and the fixing member 230 to seal the opening of the housing to seal the lower side of the sensor. Moisture or foreign matter through the bottom of the 220 to prevent the inflow into the interior of the housing 220, so that a separate configuration for waterproof during the manufacturing of the pointing device can be omitted.

On the other hand, a sensor support (not shown) may be further included between the housing base 240 and the sensor 210. When the sensor 210 is pressed by the user, the sensor support may distribute the force, for example, may absorb a predetermined amount of impact. In addition, by adjusting the thickness of the sensor support, it is possible to adjust the height of the sensor to meet the design needs of the product. The sensor support may be made of a urethane material which is easy to manufacture as a thin film, but is not limited thereto.

Next, a protrusion 241 for pressing the dome switch 242 embedded in the electronic device may be formed in the housing base 240. The protrusion 241, that is, the actuator may press the dome switch 242. When a predetermined electrical signal is generated.

In this exemplary embodiment, the housing base 240 is configured in place of the substrate on which the fingerprint sensor is mounted, and the configuration of the dome switch is omitted, thereby making it possible to slim down the entire module. In addition, the sensor 210 may be configured with a UV coating layer for preventing damage such as scratches. In this case, the UV resin layer 260 may extend to an upper surface of the housing, in particular, an upper surface of the antenna frame, thereby protecting the upper surface of the housing 220.

The pointing device according to the present embodiment may be manufactured by fixing the sensor 210 to the housing 220 and molding the opening of the housing 220. In more detail, the fixing member 230 for fixing the sensor is installed inside the housing 220 having an opening formed at the bottom to accommodate the sensor, thereby fixing the sensor 210 to the housing 220. In addition, the pointing device may be manufactured by molding a bottom surface of the sensor 210 with a molding material to shield the opening of the housing 220. Meanwhile, the housing 220 may have a color in accordance with design requirements. For example, the surface of the housing, in particular the surface of the antenna frame 221, can be painted in accordance with design requirements to enhance aesthetics. The color layer may be protected by coating the UV resin layer on the color layer on which the color is painted.

8 illustrates a smart phone as an example of an electronic device to which a pointing device according to the present invention is applied, but the electronic device is not limited thereto.

As described above, according to the present invention, the present invention can be embodied in other specific forms without departing from the spirit and scope of the present invention. It is obvious to them.

Therefore, the above-described embodiments are to be considered as illustrative rather than restrictive, and the present invention is not limited to the above description, but may be modified within the scope of the appended claims and equivalents thereof.

100: pointing device 110: signal output terminal
120: housing 121: conductive portion (antenna frame)
122: synthetic resin part (housing member) 130: sensor
140: board 150: connector (flexible circuit board)
160: dome switch 170: UV resin layer

Claims (17)

  1. A signal output terminal for outputting a sensing signal for pointing;
    A housing receiving the sensing signal output from the signal output terminal and transmitting the sensing signal to the outside; And
    And a sensor housed in the interior of the housing.
  2. The method of claim 1,
    The sensor is mounted on a substrate, and the signal output terminal is provided on the outside of the sensor pointing device, characterized in that electrically connected to the housing.
  3. The method of claim 1,
    The housing is connected to the signal output terminal surrounding the sensor, the pointing device, characterized in that the outer peripheral surface is formed stepped.
  4. The method of claim 1,
    The sensor is a pointing device, characterized in that the movement of the finger and the fingerprint can be recognized.
  5. 5. The method according to any one of claims 1 to 4,
    The housing; And a housing frame made of a synthetic resin material and an antenna frame fixed to the housing member to transmit the sensing signal to the outside of the housing.
  6. 6. The method of claim 5,
    The antenna frame is made of metal and is provided inside the housing member; And the housing member forms an edge of the housing.
  7. 6. The method of claim 5,
    The antenna frame is fixed to the housing member by insert injection.
  8. 5. The method according to any one of claims 1 to 4,
    The housing may include a housing body for receiving the sensor and a coating layer coated on a surface of the housing body to transmit the sensing signal to the outside of the housing.
  9. The method of claim 1,
    Pointing device, characterized in that further comprises a UV resin layer coated on the upper side of the sensor.
  10. 10. The method of claim 9,
    The thickness of the UV resin layer is 70㎛ or less pointing device.
  11. A sensor for detecting a sensing signal for pointing;
    An opening formed at a bottom thereof, accommodating the sensor therein, and receiving the sensing signal output from a signal output terminal and transmitting the sensing signal to the outside;
    A fixing member provided between the inner surface of the housing and the circumferential surface of the sensor for fixing the sensor; And
    And a housing base provided at the bottom of the sensor to shield the opening of the housing.
  12. 12. The method of claim 11,
    And the housing base is a molding material fixed to the bottom of the sensor to seal the opening of the housing.
  13. 12. The method of claim 11,
    The housing base is a pointing device, characterized in that it comprises a projection formed on the bottom surface of the housing base to press the dome switch of the electronic device on which the pointing device is mounted.
  14. 12. The method of claim 11,
    Pointing device, characterized in that further comprises a UV resin layer coated on the upper side of the sensor.
  15. delete
  16. 15. The method according to any one of claims 11 to 14,
    The housing; And a housing frame made of a synthetic resin material and an antenna frame fixed to the housing member to transmit the sensing signal to the outside of the housing.
  17. An opening is formed in the bottom, accommodating a sensor therein, and preparing a housing for receiving the sensing signal output from the signal output terminal to be sent to the outside;
    A sensor fixing step of fixing the sensor to the housing by installing a fixing member for fixing the sensor inside the housing; And
    And molding a bottom surface of the sensor with a molding material to shield the opening of the housing.
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