CN111182113B - Public address cell-phone shell suitable for under public environment - Google Patents
Public address cell-phone shell suitable for under public environment Download PDFInfo
- Publication number
- CN111182113B CN111182113B CN202010134706.2A CN202010134706A CN111182113B CN 111182113 B CN111182113 B CN 111182113B CN 202010134706 A CN202010134706 A CN 202010134706A CN 111182113 B CN111182113 B CN 111182113B
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- bolt
- mobile phone
- groove
- phone shell
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- 230000000670 limiting effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 210000005069 ears Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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
- H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a loudspeaker mobile phone shell suitable for public environment, which relates to the field of mobile phone peripheral equipment and comprises a mobile phone shell, a loudspeaker plate, a large supporting plate, a u-shaped latch groove, a latch and a locking mechanism, wherein the large supporting plate is rotationally connected to the back surface of the mobile phone shell through a rotating shaft, the loudspeaker plate is rotationally connected to a loudspeaker plate rotating center groove on the large supporting plate, and the loudspeaker plate and the large supporting plate which can slide in and out are arranged, so that the mobile phone shell is convenient to switch and has small volume. When the mobile phone is used, the mobile phone can slide out to rebound the sound to the face of the user, so that the user can hear louder sound, and when the mobile phone is not used, the mobile phone can slide in and be attached to the back of the mobile phone shell, and the mobile phone can not be prevented from being influenced.
Description
Technical Field
The invention relates to the field of mobile phone peripherals, in particular to a loudspeaker mobile phone shell suitable for a public environment.
Background
The mobile phone is an indispensable article in our daily life, but the loudspeaker of the common mobile phone is at the bottom side of the mobile phone nowadays, if the sound is put outside, the sound can be spread in all directions, so that not only is the sound influenced by other people, but also the sound transmitted into the ears of the user is very small, sometimes the user needs to put the sound outside, and only the mobile phone can be taken to the ears to listen to the sound, and thus the inconvenience can be caused for playing the mobile phone.
At present, a lot of mobile phone sound amplifying structures are available, and most of the structures are that mobile phones are placed in a larger support, then the support is placed on a table, and sound is amplified through a horn structure. However, the device has a large volume and cannot play the mobile phone and listen to the sound of the mobile phone.
Disclosure of Invention
The invention aims to provide a loudspeaker mobile phone shell suitable for public environment, which is convenient to switch and has small volume by arranging a loudspeaker plate and a large supporting plate which can slide in and out. When the mobile phone is used, the mobile phone can slide out to rebound the sound to the face of the user, so that the user can hear louder sound, and when the mobile phone is not used, the mobile phone can slide in and be attached to the back of the mobile phone shell, and the mobile phone can not be prevented from being influenced.
The utility model provides a public address mobile phone shell suitable for under public environment, includes the mobile phone shell, still includes public address board, big layer board, u type latch groove, bolt and locking mechanical system, big layer board passes through the rotation axis and rotates to be connected in the back of mobile phone shell, public address board rotates the public address board rotation center groove of connecting on big layer board;
The large supporting plate is divided into an upper part, a middle part and a right part, a base plate is fixedly connected to the right part, a bolt moving groove is formed in the base plate, the bolt is slidably connected to the base plate and penetrates through the bolt moving groove, the front end of the bolt is provided with a front part matched with a u-shaped bolt groove and a clamping groove matched with a locking mechanism, the u-shaped bolt groove is fixedly connected to a mobile phone shell, the locking mechanism comprises a clamping plate, a connecting rod, a finger sliding plate, a small sleeve rod and a spring, the front end of the clamping plate is provided with a groove, the rear end of the clamping plate is provided with a bulge, the front end of the groove is provided with a sleeve ring, the small sleeve rod is fixedly connected to the bolt moving groove, the clamping plate is rotatably connected to the small sleeve rod through the sleeve ring at the front end, the small sleeve rod between the two sleeve rings is sleeved with the spring, and the finger sliding plate is fixedly connected with the clamping plate through the connecting rod.
Preferably, the mobile phone shell is provided with a speaker opening, a charging port, a fingerprint unlocking port and a camera opening, and the sound amplifying plate is positioned right below the speaker opening.
Preferably, the sound amplifying board comprises an extending part, a middle part, a tail part and side lugs, wherein the tail part is cylindrical, two ends of the tail part protrude, the tail part is rotationally connected to the corner connector, a limiting plate is arranged on the lower side of the tail part, the corner connector and the limiting plate are fixedly connected to the large supporting plate, the extending part is in a circular arc shape, and the side lugs are positioned on two sides of the inner arc of the extending part.
Preferably, the u-shaped bolt groove comprises a base positioned below and a u-shaped plate fixedly connected to the base, the bolt comprises a front part, a rear part and a rough part which are sequentially connected, a clamping groove is formed in the side edge of the front part, the front part and the rear part are smooth, and straight knurls are arranged on the upper end face of the rough part.
Preferably, one end of the spring is connected to the spring supporting protrusion, the other end of the spring is connected to the inner wall of the groove, and the spring supporting protrusion is fixedly connected with the bolt moving groove.
Preferably, the thickness of the backing plate is consistent with the thickness of the middle part of the sound amplifying plate, and the size of the bolt moving groove is consistent with the size of the rear part of the bolt.
Preferably, the backing plate is also fixedly provided with a bolt moving guide rail, and the rough part of the bolt is positioned in the bolt moving guide rail and is in sliding connection with the bolt moving guide rail.
The invention has the advantages that: simple structure uses in a flexible way, through setting up public address board and big layer board that can slide in and slide out, not only switches conveniently, and the volume is very little moreover. When the mobile phone is used, the mobile phone can slide out to rebound the sound to the face of the user, so that the user can hear louder sound, and when the mobile phone is not used, the mobile phone can slide in and be attached to the back of the mobile phone shell, and the mobile phone can not be prevented from being influenced.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a rear view of the device of the present invention;
FIG. 3 is a schematic view of the structure of the invention with the speaker plate retracted and extended;
FIG. 4 is a schematic view of the connection structure of a large pallet and a u-shaped latch groove in the device of the present invention;
FIG. 5 is a schematic view of the connection structure of a large support plate and a sound amplifying plate in the device of the present invention;
FIG. 6 is a schematic diagram of a latch moving compression speaker plate in the apparatus of the present invention;
FIG. 7 is a schematic diagram of the movement of the latch in the device of the present invention;
FIG. 8 is a schematic view of the locking mechanism of the device of the present invention;
FIG. 9 is a schematic view of the structure of a speaker plate in the apparatus of the present invention;
FIG. 10 is a schematic view of a latch plate in the device of the present invention;
FIG. 11 is a schematic view of the structure of the latch in the device of the present invention;
FIG. 12 is a schematic diagram of a u-shaped latch seat in the device of the present invention;
Wherein 1, mobile phone shell, 1-1, speaker opening, 1-2, charging port, 1-3, fingerprint unlocking port, 1-4, camera opening, 2, sound amplifying plate, 2-1, extension, 2-2, middle part, 2-3, tail, 2-4, side ear, 3, big layer board, 3-1, upper part, 3-2, middle part, 3-3, sound amplifying plate rotation center groove, 3-4, right part, 4, rotation axis, 5, u-shaped latch groove, 5-1, u-shaped plate, 5-2, base, 6, latch, 6-1, front part, 6-2, detent groove, 6-3, rear part, 6-4, roughness, 7, latch movement groove, 8, corner, 9, limiting plate, 10, backing plate, 11, locking structure, 12, detent plate, 12-1, groove, 12-2, bump, 12-3, collar, 13, connecting rod, 14, sliding plate, 15, small loop bar, 16, spring, 17, spring support, 18, guide rail.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 12, a mobile phone case suitable for public environment comprises a mobile phone case 1, a mobile phone plate 2, a large supporting plate 3, a u-shaped bolt slot 5, a bolt 6 and a locking mechanism 11, wherein the large supporting plate 3 is rotatably connected to the back surface of the mobile phone case 1 through a rotating shaft 4, and the mobile phone plate 2 is rotatably connected to a mobile phone plate rotating center slot 3-3 on the large supporting plate 3;
The large supporting plate 3 is divided into an upper portion 3-1, a middle portion 3-2 and a right portion 3-4, a base plate 10 is fixedly connected to the right portion 3-4, a bolt moving groove 7 is formed in the base plate 10, a bolt 6 is slidably connected to the base plate 10 and penetrates through the bolt moving groove 7, a front portion 6-1 matched with a u-shaped bolt groove 5 and a clamping groove 6-2 matched with a locking mechanism 11 are formed in the front end of the bolt 6, the u-shaped bolt groove 5 is fixedly connected to the mobile phone shell 1, the locking mechanism 11 comprises a clamping plate 12, a connecting rod 13, a finger sliding plate 14, a small sleeve rod 15 and a spring 16, a groove 12-1 is formed in the front end of the clamping plate 12, a protrusion 12-2 is formed in the rear end of the base plate, a sleeve ring 12-3 is arranged at the front end of the groove 12-1, the small sleeve rod 15 is fixedly connected to the bolt moving groove 7, the small sleeve rod 15 is rotatably connected to the small sleeve rod 15 through the sleeve ring 12-3 at the front end, the small sleeve rod 15 between the two sleeve rings 12-3 is further provided with the small sleeve rod 15, and the finger sliding plate 14 is fixedly connected to the connecting rod 13 through the finger sliding plate 14. Through setting up public address board 2 and big layer board 3 that can slide in and slide out, not only switch conveniently, the volume is very little moreover. When the mobile phone is used, the mobile phone can slide out to rebound the sound to the face of the user, so that the user can hear louder sound, and when the mobile phone is not used, the mobile phone can slide in and be attached to the back of the mobile phone shell, and the mobile phone can not be prevented from being influenced.
The mobile phone shell 1 is provided with a speaker opening 1-1, a charging port 1-2, a fingerprint unlocking port 1-3 and a camera opening 1-4, and the sound amplifying plate 2 is positioned right below the speaker opening 1-1. For bouncing the sound emitted from the speaker opening 1-1 to the user's face for the most part, greatly reducing the sound from spreading to the right and left and back.
The sound amplifying board 2 comprises an extending part 2-1, a middle part 2-2, a tail part 2-3 and side ear parts 2-4, wherein the tail part 2-3 is cylindrical and protrudes at two ends, the tail part 2-3 is rotatably connected to an angle bracket 8, a limiting plate 9 is arranged on the lower side of the tail part 2-3, the angle bracket 8 and the limiting plate 9 are fixedly connected to a large supporting plate 3, the extending part 2-1 is in an arc shape, and the side ear parts 2-4 are positioned on two sides of the inner arc of the extending part 2-1. Sound traveling toward the back of the handset and away from the speaker opening 1-1 can be bounced back to a direction perpendicular to the screen of the handset.
The U-shaped bolt groove 5 comprises a base 5-2 positioned below and a U-shaped plate 5-1 fixedly connected to the base 5-2, the bolt 6 comprises a front part 6-1, a rear part 6-3 and a rough part 6-4 which are sequentially connected, a clamping groove 6-2 is formed in the side edge of the front part 6-1, the front part 6-1 and the rear part 6-3 are smooth, and straight knurling is arranged on the upper end face of the rough part 6-4. The clamping groove 6-2 which can fix the bolt 6 when the sound amplifying board 2 is retracted to the back of the mobile phone shell can generate pressure on the middle part 2-2 of the sound amplifying board 2 and press the sound amplifying board 2 on the rear part 6-3 which is fixed on the large supporting board 3, the rough part 6-4 which can slide by fingers can move in parallel between the base plate 10 and the bolt moving groove 7, the thickness of the base plate 10 is the same as that of the middle part 2-2 of the sound amplifying board 2, and the bolt 6 can be driven to retreat by the sliding of the rough part 6-4 by fingers.
One end of the spring 16 is connected with the spring supporting protrusion 17, the other end of the spring 16 is connected with the inner wall of the groove 12-1, and the spring supporting protrusion 17 is fixedly connected with the bolt moving groove 7. Downward pressure can be provided to the detent plate 12. When a person slides the finger slide plate 14, the finger slide plate 14 rotates about the small loop bar 15 to disengage the projection 12-2 from the detent groove 6-1, allowing the latch to move forward.
The thickness of the backing plate 10 is consistent with that of the middle part 2-2 of the sound amplifying plate 2, and the size of the bolt moving groove 7 is consistent with that of the rear part 6-3 of the bolt 6. Ensure to compress tightly the public address board 2, prevent that public address board 2 from rocking.
The base plate 10 is also fixedly provided with a bolt moving guide rail 18, and the rough part 6-4 of the bolt 6 is positioned in the bolt moving guide rail 18 and is in sliding connection with the bolt moving guide rail 18. The stability of the bolt 6 during movement is ensured.
Specific embodiments and principles:
As shown in fig. 1, the public address mobile phone shell for public environment comprises a mobile phone shell 1, a camera opening 1-4, a fingerprint unlocking opening 1-3, a charging opening 1-2 and a speaker opening 1-1, wherein a public address plate 2 is arranged right below the speaker opening 1-1, the public address plate 2 is positioned on the back of the mobile phone and is used for bouncing most of sound emitted from the speaker opening 1-2 to the face of a user, and the sound is prevented from spreading leftwards, rightwards and backwards.
As shown in fig. 2 and 3, the sound amplifying board 2 is located below the large supporting board 3, the large supporting board 3 is connected to the back of the mobile phone shell 1 through a rotating shaft 4, so that the large supporting board 3 can horizontally rotate around the rotating shaft 4, the large supporting board 3 comprises an upper portion 3-1, a middle portion 3-2 and a right portion 3-4 for placing a base plate 10 and a bolt moving groove 7, the large supporting board 3 can drive the sound reflecting board 2 to rotate so that the sound reflecting board 2 can collect the bottom side of the mobile phone, the u-shaped bolt groove 5 is fixedly connected with the back of the mobile phone shell 1, and the limiting effect of the large supporting board during rotation is achieved, and as shown in fig. four, the middle portion 3-2 of the large supporting board 3 can be limited to be perpendicular to the bottom side of the mobile phone.
As shown in fig. 5, the sound amplifying board 2 includes an extension part 2-1 located at the bottom side of the speaker opening 1-1 and playing a role of bouncing sound, the tail part 2-3 is cylindrical, two ends of the tail part 2-3 are protruded right, and a corner bracket fixed in the middle part 3-2 of the large supporting board 3 can be placed in the middle part, so that the sound amplifying board can rotate up and down by taking the tail part 2-3 as the center, and a limiting board 9 is arranged in front of the tail part 2-3 to prevent the sound amplifying board 2 from rotating too much in degree, so that the extension part 2-1 is damaged when the sound amplifying board 2 is turned over to the back of the mobile phone.
As shown in fig. 6, the latch 6 includes a front portion 6-1 which is inserted into a u-shaped latch groove 5, a detent groove 6-2 which can fix the latch 6 when the speaker plate 2 is retracted to the back of the mobile phone case, a pressure is generated to the middle portion 2-2 of the speaker plate 2, and the speaker plate 2 is pressed to a rear portion 6-3 fixed to the large support plate 3, a rough portion 6-4 where a finger can slide, the latch 6 can move in parallel between the pad 10 and the latch moving groove 7, and the thickness of the pad 10 is the same as the middle portion 2-2 of the speaker plate 2, the latch 6 can be driven to retreat by the sliding of the finger to the rough portion 6-4, latch moving rails 18 are provided on both sides of the latch on the pad 10, and a locking mechanism 11 is provided above the latch moving groove 7.
As shown in fig. 7 and 8, the latch moving slot 7 is provided with a small loop bar 15, the small loop bar 15 can loop the spring 16 and the collar 12-3 on the clamping plate 12, the clamping plate 12 comprises a groove 12-1 and a protrusion 12-2 which can be pressed into the clamping slot 6-2, a finger can slide and drive the finger sliding plate 14 which rotates the clamping plate 12, the finger sliding plate 14 is connected through a connecting rod 13, one corner of the spring 16 is connected with a spring supporting protrusion 17, the other foot is connected with the groove 12-1, downward pressure can be provided for the clamping plate 12, when a person slides the finger sliding plate 14, the finger sliding plate 14 rotates by taking the small loop bar 15 as a center, so that the protrusion 12-2 is separated from the clamping slot 6-1, and the latch can move forward.
As shown in fig. 9, the extending portion 2-1 of the speaker plate 2 has two side ears 2-4, when the speaker plate 2 of the mobile phone case 1 extends, sound propagating in the left and right directions can be reflected toward a direction perpendicular to the screen of the mobile phone, and the extending portion 2-1 in the middle of the side ears 2-4 is arc-shaped, so that sound propagating toward the back of the mobile phone and away from the speaker opening 1-1 can be reflected toward the direction perpendicular to the screen of the mobile phone.
As shown in fig. 12, the U-shaped latch slot includes a base 5-2 fixedly attached to the back of the mobile phone case 1, and can be inserted by a latch 6 and pressed against the U-shaped board 5-1 of the speaker plate 2 through a rear portion 6-3.
When people need to put the sound of a mobile phone outside in public places, the sound amplifying plate 2 is fully received at the back of the mobile phone shell 1, the bolt 6 is retracted to the right side of the sound amplifying plate 2, the clamping groove 6-2 is matched with the bulge 12-2, the bolt 6 is in a locking state, the finger sliding plate 14 can be slid by hands first, the clamping plate 12 starts to rotate around the small sleeve rod 15, after the sound amplifying plate rotates to the upper side of the bolt 6, the bulge 12-2 is separated from the clamping groove 6-2, then the bolt 6 is pushed forwards by the finger sliding rough part 6-4, the sound amplifying plate 2 is positioned between the bolt 6 and the large supporting plate 3 until the front part 6-1 moves into the bolt fixing groove 5, the sound amplifying plate 2 is locked, the sound amplifying plate 2 cannot rotate up and down through the tail part 2-3, the sound propagating in all directions is perpendicular to the direction of the screen of the mobile phone, the sound amplifying plate is enabled to work and learn normally, the sound amplifying effect is achieved for a user, when the mobile phone shell is not needed, the sound amplifying plate 6 is retracted to be separated from the clamping groove 6-2, the rough part 6-4 can be pushed forward, the sound amplifying plate 6 is enabled to be pushed down by the rotating around the bolt 6-6, the front part is not to be pushed down by the rotating around the whole supporting plate 6-3, the rotating plate 6-1 is completely, the bolt is connected with the bolt 6-2, the bolt is prevented from rotating to the rotating groove 6-3, the front the sound amplifying plate is completely rotates, the front of the sound amplifying plate is connected with the bolt is in the front of the mobile phone through the bolt fixing groove, and the sound amplifying plate is completely, and the sound amplifying plate is in a position of the left-3, and the sound amplifying plate is in a left-down, and the sound amplifying state is in a state, and can work is work.
Based on the above, the invention has simple structure and flexible use, and is convenient to switch and small in volume by arranging the amplifying plate and the large supporting plate which can slide in and out. When the mobile phone is used, the mobile phone can slide out to rebound the sound to the face of the user, so that the user can hear louder sound, and when the mobile phone is not used, the mobile phone can slide in and be attached to the back of the mobile phone shell, and the mobile phone can not be prevented from being influenced.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.
Claims (5)
1. The utility model provides a public address mobile phone shell suitable for under public environment, includes cell-phone shell (1), and its characterized in that still includes public address board (2), big layer board (3), u type bolt groove (5), bolt (6) and locking mechanical system (11), big layer board (3) are rotated through rotation axis (4) and are connected in the back of cell-phone shell (1), public address board (2) rotate public address board rotation center groove (3-3) on connecting on big layer board (3);
The sound amplifying board (2) comprises an extending part (2-1), a middle part (2-2), a tail part (2-3) and side ear parts (2-4), wherein the tail part (2-3) is cylindrical, two ends of the tail part protrude, the tail part (2-3) is rotatably connected to an angle bracket (8), a limiting plate (9) is arranged on the lower side of the tail part (2-3), the angle bracket (8) and the limiting plate (9) are fixedly connected to a large supporting plate (3), the extending part (2-1) is in an arc shape, and the side ear parts (2-4) are positioned on two sides of an inner arc of the extending part (2-1);
The large supporting plate (3) is divided into an upper part (3-1), a middle part (3-2) and a right part (3-4), a base plate (10) is fixedly connected to the right part (3-4), a bolt moving groove (7) is formed in the base plate (10), the bolt (6) is slidably connected to the base plate (10) and penetrates through the bolt moving groove (7), a front part (6-1) matched with the u-shaped bolt groove (5) and a clamping groove (6-2) matched with a locking mechanism (11) are formed in the front end of the bolt (6), the u-shaped bolt groove (5) is fixedly connected to a mobile phone shell (1), the locking mechanism (11) comprises a clamping plate (12), a connecting rod (13), a finger sliding plate (14), a small sleeve rod (15) and a spring (16), a groove (12-1) is formed in the front end of the clamping plate (12), a bulge (12-2) is formed in the rear end of the bolt moving groove (6-1), a lantern ring (12-3) is formed in the front end of the groove (12-1), the small sleeve rod (15) is fixedly connected to the front end of the small sleeve rod (12) through the rotating plate (12), a small loop bar (15) between the two loop rings (12-3) is also sleeved with a spring (16), and the finger sliding plate (14) is fixedly connected with the clamping plate (12) through a connecting rod (13);
The U-shaped bolt groove (5) comprises a base (5-2) positioned below and a U-shaped plate (5-1) fixedly connected to the base (5-2);
The bolt (6) comprises a front portion (6-1), a rear portion (6-3) and a rough portion (6-4) which are connected in sequence, a clamping groove (6-2) is formed in the side edge of the front portion (6-1), the front portion (6-1) and the rear portion (6-3) are smooth, and straight knurling is arranged on the upper end face of the rough portion (6-4).
2. A loudspeaker housing suitable for use in public environments as claimed in claim 1, wherein: the mobile phone is characterized in that a speaker opening (1-1), a charging port (1-2), a fingerprint unlocking port (1-3) and a camera opening (1-4) are arranged on the mobile phone shell (1), and the sound amplifying plate (2) is located under the speaker opening (1-1).
3. A loudspeaker housing suitable for use in public environments as claimed in claim 1, wherein: one end of the spring (16) is connected with the spring supporting protrusion (17), the other end of the spring (16) is connected with the inner wall of the groove (12-1), and the spring supporting protrusion (17) is fixedly connected with the bolt moving groove (7).
4. A loudspeaker housing suitable for use in public environments as claimed in claim 1, wherein: the thickness of the backing plate (10) is consistent with that of the middle part (2-2) of the sound amplifying plate (2), and the size of the bolt moving groove (7) is consistent with that of the rear part (6-3) of the bolt (6).
5. A loudspeaker housing suitable for use in public environments as claimed in claim 1, wherein: the base plate (10) is also fixedly provided with a bolt moving guide rail (18), and the rough part (6-4) of the bolt (6) is positioned in the bolt moving guide rail (18) and is in sliding connection with the bolt moving guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134706.2A CN111182113B (en) | 2020-03-02 | 2020-03-02 | Public address cell-phone shell suitable for under public environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134706.2A CN111182113B (en) | 2020-03-02 | 2020-03-02 | Public address cell-phone shell suitable for under public environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111182113A CN111182113A (en) | 2020-05-19 |
| CN111182113B true CN111182113B (en) | 2024-04-26 |
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ID=70653256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010134706.2A Active CN111182113B (en) | 2020-03-02 | 2020-03-02 | Public address cell-phone shell suitable for under public environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111182113B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034230U (en) * | 1996-07-31 | 1997-02-14 | 文 新 何 | Mobile phone stand |
| CN104580594A (en) * | 2014-12-30 | 2015-04-29 | 孙冬梅 | Mobile phone with sound amplification function and case thereof |
| JP6603864B1 (en) * | 2019-04-26 | 2019-11-13 | 青島欧科玩具有限公司 | Smartphone case that can be copied |
| CN210745288U (en) * | 2020-03-02 | 2020-06-12 | 南京工业职业技术学院 | Public address cell-phone shell suitable for under public environment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130048413A1 (en) * | 2011-08-24 | 2013-02-28 | Next Future Llc | Audio enhancement system for a communication device |
-
2020
- 2020-03-02 CN CN202010134706.2A patent/CN111182113B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034230U (en) * | 1996-07-31 | 1997-02-14 | 文 新 何 | Mobile phone stand |
| CN104580594A (en) * | 2014-12-30 | 2015-04-29 | 孙冬梅 | Mobile phone with sound amplification function and case thereof |
| JP6603864B1 (en) * | 2019-04-26 | 2019-11-13 | 青島欧科玩具有限公司 | Smartphone case that can be copied |
| CN210745288U (en) * | 2020-03-02 | 2020-06-12 | 南京工业职业技术学院 | Public address cell-phone shell suitable for under public environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111182113A (en) | 2020-05-19 |
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