KR20130011534A - Speaker device of a mobile terminal - Google Patents

Speaker device of a mobile terminal Download PDF

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Publication number
KR20130011534A
KR20130011534A KR1020110072755A KR20110072755A KR20130011534A KR 20130011534 A KR20130011534 A KR 20130011534A KR 1020110072755 A KR1020110072755 A KR 1020110072755A KR 20110072755 A KR20110072755 A KR 20110072755A KR 20130011534 A KR20130011534 A KR 20130011534A
Authority
KR
South Korea
Prior art keywords
portable terminal
speaker
discharge pipe
fixed
flow discharge
Prior art date
Application number
KR1020110072755A
Other languages
Korean (ko)
Inventor
이건학
Original Assignee
삼성전자주식회사
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 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to KR1020110072755A priority Critical patent/KR20130011534A/en
Publication of KR20130011534A publication Critical patent/KR20130011534A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Abstract

PURPOSE: A portable terminal speaker device is provided to improve the radiation of the speaker sound according to environment of a user by including a first flexible outlet discharging speaker sound in one direction of the portable terminal and a second flexible outlet discharging speaker sound in the other direction of the portable terminal. CONSTITUTION: A fixed outlet(230) is connected to a speaker(210). A first flexible outlet(261) discharges speaker sound from the fixed outlet in one direction of a portable terminal. A second flexible outlet(262) is integrally formed with the first flexible outlet. The second flexible outlet discharges speaker sound from the fixed outlet in the other direction of a portable terminal. An elastic member(264) fluctuates the first flexible outlet and the second flexible outlet. One side of the elastic member is fixed in a latching member(263). The latching member is formed on the outer surface of the second flexible outlet.

Description

Speaker device of a mobile terminal

The present invention relates to a portable terminal speaker device, and more particularly, to a portable terminal speaker device that can improve that the speaker sound is not properly radiated according to the user's usage environment.

In recent years, as the functions of portable terminals have been diversified, not only a receiver for delivering the voice of the other party to the user during a telephone call, but also a speaker device for delivering sound to the user when watching a video or a TV or listening to music is provided. In many cases, it is installed in a portable terminal.

1 is a cross-sectional view of a conventional portable terminal speaker device. Referring to Figure 1, the conventional portable terminal speaker device 100 will be described.

The portable terminal speaker device 100 includes a speaker 110, a resonance cylinder 120 connected to the rear surface of the speaker 110, and a discharge tube 130 connected to the front of the speaker 110. The speaker 110, the resonance cylinder 120, and the discharge tube 130 are housed by a case 190 of a portable terminal (not shown). Discharge tube 130, one end of the 'b' shaped tube 131 connected to the speaker 110, and the other end of the tube 131 is formed in the discharge port 132 located on the back 191 of the mobile terminal ). A speaker grill 150 is formed at the discharge port 132. The sound of the speaker 110 coming out of the resonance cylinder 120 is radiated to the discharge port 132 through the discharge pipe 130 along the arrow C shown in FIG.

In the portable terminal speaker device 100, the discharge port 132 is formed only on the rear surface 191 of the portable terminal. Therefore, when the mobile terminal is laid back so that the rear surface 191 is in contact with the bottom surface, the discharge port 132 is blocked by the bottom surface has a problem that the speaker sound is not properly radiated.

An object of the present invention is to provide a portable terminal speaker device that can improve that the speaker sound is not properly radiated according to the user's use environment.

In order to achieve the above object, the present invention, the fixed discharge pipe connected to the speaker; A fluid discharge part including a first flow discharge pipe for discharging the speaker sound discharged from the fixed discharge pipe to one side of the mobile terminal and a second flow discharge pipe for discharging the speaker sound discharged from the fixed discharge tube to the other side of the mobile terminal. It is characterized by including.

According to the present invention, there is provided a first flow discharge tube for discharging the speaker sound discharged from the fixed discharge tube to one side of the mobile terminal, and a second flow discharge tube for discharging the speaker sound discharged from the fixed discharge tube to the other side of the mobile terminal. By including it, it is possible to prevent the speaker sound is not properly radiated according to the user's use environment.

1 is a cross-sectional view of a conventional portable terminal speaker device.
2 is a front view of a portable terminal including a portable terminal speaker device according to an embodiment of the present invention.
3 is a rear view of the mobile terminal shown in FIG. 2.
4 is a cross-sectional view of the portable terminal speaker device cut along the first cutting line A-A 'when the portable terminal shown in FIG. 2 is in a normal state.
5 is a cross-sectional view of the portable terminal speaker device cut along the second cutting line B-B 'when the portable terminal shown in FIG. 2 is in a normal state.
FIG. 6 is a cross-sectional view of the portable terminal speaker device cut along the first cutting line A-A 'when the portable terminal shown in FIG. 2 is laid so that its rear surface is in contact with the bottom surface.
FIG. 7 is a cross-sectional view of the portable terminal speaker device cut along the second cutting line B-B 'when the portable terminal shown in FIG. 2 is laid so that its rear surface is in contact with the bottom surface.

Hereinafter, preferred embodiments of a portable terminal speaker device according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a front view of a mobile terminal having a portable terminal speaker device according to an embodiment of the present invention, Figure 3 is a rear view of the portable terminal shown in Figure 2, Figure 4 is a portable terminal shown in Figure 2 Is a cross-sectional view of the portable terminal speaker device cut along the first cutting line A-A 'when in the normal state, and FIG. 5 is a cross-sectional view of the portable terminal shown in FIG. 2 is a cross-sectional view of a portable terminal speaker device cut along a cutting line B-B ', and FIG. 6 shows a first cutting line when the portable terminal shown in FIG. A cross-sectional view of the portable terminal speaker device cut along A-A '), and FIG. 7 shows a second cut line B-B' when the mobile terminal shown in FIG. 2 is laid so that its rear face is in contact with the bottom surface. A cross-sectional view of a speaker device of a mobile terminal cut along a line).

For reference, the first cutting line A-A 'shown in FIG. 2 passes through the second speaker grille 262c along the longitudinal direction of the mobile terminal 201, and the second cutting line B-B'. Passes through the second speaker grille 262c along the width direction of the mobile terminal 201. In addition, the region indicated by the oblique line shown in FIG. 5 is an area corresponding to the sound receiving port 261a of the first flow discharge tube 261, and the region indicated by the oblique line shown in FIG. 7 is the second flow discharge tube 262. This is an area corresponding to the sound receiver 262a.

2 to 7, the portable terminal speaker device 200 according to an embodiment of the present invention will be described as follows. The portable terminal speaker device 200 includes a speaker 210, a resonance tube 220, a fixed discharge pipe 230 and the flow discharge unit 260.

The speaker 210 is a component that generates sound pressure. When a current signal including several frequencies is applied to a voice coil (not shown), the voice coil generates mechanical energy according to the strength of the current and the magnitude of the frequency. This mechanical energy causes vibration in the diaphragm attached to the voice coil, ultimately generating sound pressure of a predetermined magnitude that can be perceived by the user.

Resonance tube 220 is a component having a resonance space therein so that the sound pressure generated in the rear region of the speaker 210 can be collected and resonated. Resonance tube 220 is connected to the back of the speaker (210).

The fixed discharge pipe 230 is a component that discharges the speaker sound resonated from the resonance cylinder 220 to the flow discharge unit 260. The fixed discharge tube 230 includes a tube 231 having one end connected to the speaker 210 and a discharge port 232 formed at the other end of the tube 231. The discharge port 232 discharges the speaker sound passing through the pipe 231 to the fluid discharge unit 260.

The flow discharge part 260 includes a first flow discharge tube 261, a second flow discharge tube 262, a locking member 263, and an elastic member 264.

The first flow discharge tube 261 serves to discharge the speaker sound discharged from the fixed discharge tube 230 to the rear of the portable terminal. At one end of the first flow discharge pipe 261, a sound receiving port 261a for receiving the speaker sound discharged from the discharge port 232 of the fixed discharge pipe 230 is formed. At the other end of the first flow discharge tube 261, a discharge port 261b for discharging the speaker sound passing through the first flow discharge tube 261 to the rear of the mobile terminal 201 is formed. In the discharge port 261b, a first speaker grill 261c is formed to prevent foreign matter from flowing in from the outside.

The second flow discharge pipe 262 serves to discharge the speaker sound discharged from the fixed discharge pipe 230 to the front of the mobile terminal. At one end of the second flow discharge pipe 262, a sound receiving port 262a for receiving the speaker sound discharged from the discharge port 232 of the fixed discharge pipe 230 is formed. At the other end of the second flow discharge tube 262, a discharge port 262b for discharging the speaker sound passing through the second flow discharge tube 262 to the front of the mobile terminal 201 is formed. A second speaker grill 262c is formed in the discharge port 262b to prevent foreign matter from flowing in from the outside. According to the present embodiment, although the discharge port 261b of the first flow discharge tube 261 faces the rear of the portable terminal and the discharge hole 262b of the second flow discharge tube 262 faces the front of the mobile terminal, The discharge port 261b of the flow discharge tube 261 may face the front of the portable terminal, and the discharge port 262b of the second flow discharge tube 262 may face the rear of the portable terminal.

As shown in FIGS. 4 and 5, the first flow discharge tube 261 and the second flow discharge tube 262 are disposed in the first partition 265, the second partition 266, and the third partition 267. It is separated by each other, and is formed by the outer wall 265 which forms the outer surface of the 1st flow discharge tube 261 and the 2nd flow discharge tube 262. As shown in FIG. The first partition 265, the second partition 266, and the third partition 267 may be integrally formed. The first partition 265 is a discharge port 232 of the fixed discharge pipe 230 from between the sound absorbing port 261a of the first flow discharge pipe 261 and the sound absorbing port 262a of the second flow discharge pipe 262. Is formed extending in the direction that is facing. As illustrated in FIG. 5, the second partition 266 and the third partition 267 are formed in a '-' shape symmetrically with respect to the first partition 265. Specifically, one end of the second partition 266 is connected to one end of the first partition 265, and the other end of the second partition 266 is connected to one side of the outer wall 268 of the flow discharge part 260. have. In addition, one end of the third partition 267 is connected to the other end of the first partition 265, and the other end of the third partition 267 is connected to the other side of the outer wall 268 of the flow discharge part 260. .

In addition, the distance F between the first partition 265 and the second partition 266 and the distance D between the first partition 265 and the third partition 267 are the same.

As shown in FIG. 4, the catching member 263 has a fixed discharge pipe (2) such that the sound receiving port 261a of the first flow discharge pipe 261 usually faces the discharge port 232 of the fixed discharge pipe 230. It is a component to fix the position of the fluid discharge portion 260 by engaging in 230. The locking member 263 is formed on an outer wall 268 that forms a side surface of the flow discharge part 260 (the outer surface of the second flow discharge pipe 262). In the case of this embodiment, although the locking member 263 is a structure which hangs on the fixed discharge pipe 230, the structure which hangs on the stopper (not shown) formed at the same height as the fixed discharge pipe 230 is also possible.

The elastic member 264 is a component for flowing the fluid discharge unit 260 while having elasticity, it may be made of a spring. One end of the elastic member 264 is fixed to the locking member 263, and the other end is fixed to the case 290.

4 and 5, the operation of the portable terminal speaker device 200 when the portable terminal is in the normal state will be described. Usually, the locking member 263 is caught by the fixed discharge pipe 230 by the restoring force of the elastic member 264. Accordingly, the receiving port 261a of the first flow discharge tube 261 and the discharge port 232 of the fixed discharge tube 230 face each other. Accordingly, the speaker sound discharged from the discharge port 232 of the fixed discharge pipe 230 passes through the first flow discharge pipe 261 along the arrow G shown in FIG. 5 and is directed toward the rear of the mobile terminal. And radiates from 261b. For reference, the length E, from which the fluid discharge part 260 protrudes from the back 291 of the mobile terminal, is the distance F between the first partition 265 and the second partition 266, and the first partition ( 265 is equal to the distance D between the third partition 267.

6 and 7, the mobile terminal is divided so that the rear surface 291 is in contact with the bottom surface 300 (so that the discharge port 261b of the first flow discharge pipe 261 is in contact with the bottom surface 300). Referring to the operation of the portable terminal speaker device 200 when there is as follows. When the portable terminal is laid so that the rear surface 291 is in contact with the bottom surface 300, the case 290 contracts the elastic member 264. Accordingly, the sound receiving port 262a of the second flow discharge pipe 262 and the discharge port 232 of the fixed discharge pipe 231 face each other. Accordingly, the speaker sound discharged from the discharge port 232 of the fixed discharge pipe 231 passes through the second flow discharge pipe 262 along the arrow H shown in FIG. 7 and is directed toward the front of the mobile terminal. And radiates from 262b.

According to the present embodiment, as shown in FIGS. 4 and 5, the speaker sound is radiated to the rear of the portable terminal, and when the portable terminal is laid so that the rear surface 291 is in contact with the bottom surface 300, FIG. 6. And the speaker sound is radiated to the front of the mobile terminal as shown in FIG. 7. Accordingly, even when the user's usage environment changes, the speaker sound having a constant volume may be radiated at all times. In addition, since the first flow discharge pipe 261 that discharges the speaker sound to the rear of the mobile terminal and the second flow discharge pipe 262 that discharge the speaker sound to the front of the mobile terminal are isolated from each other, the speaker sound Can be focused on.

Although the present invention has been illustrated and described with reference to the preferred embodiments of the accompanying drawings, the present invention is not limited thereto, and a person of ordinary skill in the art to which the present invention belongs should fall within the scope of the technical idea of the present invention described in the following claims. Of course, it can be carried out in various modified forms.

100, 200: portable terminal speaker device 110, 210: speaker
120, 220: resonance cylinder 130: discharge tube
230: fixed discharge pipe 260: fluid discharge unit
261: first flow discharge tube 262: second flow discharge tube
263: locking member 264: elastic member

Claims (4)

A fixed discharge pipe connected to the speaker;
A first flow discharge pipe for discharging the speaker sound discharged from the fixed discharge pipe to one side of the portable terminal;
A second flow discharge tube which is formed integrally with the first flow discharge tube and discharges the speaker sound discharged from the fixed discharge tube to the other side of the portable terminal;
An elastic member for flowing the first flow discharge tube and the second flow discharge tube; And
One end of the elastic member is fixed, the portable terminal speaker device comprising a locking member formed on the outer surface of the second flow discharge pipe. According to claim 1, wherein the receiving port of the second flow discharge tube, when the discharge port of the first flow discharge tube is in contact with the bottom surface, characterized in that the discharge port of the fixed discharge tube by the contraction of the elastic member characterized in that Portable terminal speaker device. 2. The portable terminal speaker device according to claim 1, wherein the sound intake port of the first flow discharge pipe faces the discharge port of the fixed discharge pipe by the locking member. The portable terminal speaker device according to claim 1, wherein the first flow discharge pipe is separated from each other by the second flow discharge pipe and the partition.
KR1020110072755A 2011-07-22 2011-07-22 Speaker device of a mobile terminal KR20130011534A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110072755A KR20130011534A (en) 2011-07-22 2011-07-22 Speaker device of a mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110072755A KR20130011534A (en) 2011-07-22 2011-07-22 Speaker device of a mobile terminal

Publications (1)

Publication Number Publication Date
KR20130011534A true KR20130011534A (en) 2013-01-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110072755A KR20130011534A (en) 2011-07-22 2011-07-22 Speaker device of a mobile terminal

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KR (1) KR20130011534A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348021A (en) * 2018-12-10 2019-02-15 维沃移动通信有限公司 Mobile terminal and audio frequency playing method
CN110166610A (en) * 2019-05-31 2019-08-23 维沃移动通信有限公司 A kind of switching method of mobile terminal and sound mouth

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348021A (en) * 2018-12-10 2019-02-15 维沃移动通信有限公司 Mobile terminal and audio frequency playing method
CN109348021B (en) * 2018-12-10 2020-08-14 维沃移动通信有限公司 Mobile terminal and audio playing method
CN110166610A (en) * 2019-05-31 2019-08-23 维沃移动通信有限公司 A kind of switching method of mobile terminal and sound mouth
CN110166610B (en) * 2019-05-31 2020-06-23 维沃移动通信有限公司 Mobile terminal and switching method of sound outlet
WO2020238635A1 (en) * 2019-05-31 2020-12-03 维沃移动通信有限公司 Mobile terminal and sound outlet switching method

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