CN214480738U - Bone conduction microphone suitable for mobile phone - Google Patents
Bone conduction microphone suitable for mobile phone Download PDFInfo
- Publication number
- CN214480738U CN214480738U CN202120547591.XU CN202120547591U CN214480738U CN 214480738 U CN214480738 U CN 214480738U CN 202120547591 U CN202120547591 U CN 202120547591U CN 214480738 U CN214480738 U CN 214480738U
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- bone conduction
- vibration
- control unit
- conduction microphone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
Landscapes
- Telephone Set Structure (AREA)
Abstract
The utility model discloses a bone conduction microphone suitable for a mobile phone, which comprises a microphone main body, a vibration unit and a control unit, wherein a cavity is formed in the microphone main body; the vibration unit and the control unit are arranged in the cavity; the vibration unit sequentially comprises a first piezoelectric ceramic piece, an upper electrode piece, a vibration diaphragm, a lower electrode piece and a second piezoelectric ceramic piece from top to bottom. The utility model discloses a change piezoceramics piece and improve sensitivity to but use on the direct mount cell-phone display screen.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the microphone, especially, relate to a bone conduction microphone suitable for cell-phone.
[ background of the invention ]
The general microphone is conducted by air and is open, and although good sound quality can be obtained, the most defects are that an external background sound source cannot be isolated, and environmental noise cannot be filtered in a conversation in a noisy environment, so that inconvenience is brought to a user. Compared with a microphone which utilizes air conduction to detect, the bone conduction microphone is attached to the head of a user, detects the vibration of the skull when the user produces the sound through the bone conduction, and has stronger anti-noise capability.
The waterproof problem is more and more taken into account to present cell-phone, and traditional microphone is installed and need to be opened into the sound hole in the cell-phone, and the sound hole has the risk of intaking to exist. The bone conduction microphone can be directly installed on the screen of the mobile phone, and the user can normally accept the conversation effect without opening a hole.
Most of the current mobile phones using the conventional microphone have poor sensitivity even if using the bone conduction microphone, so there is a need to provide a new bone conduction microphone suitable for the mobile phone to solve the above problems.
[ Utility model ] content
A primary object of the present invention is to provide a bone conduction microphone suitable for a mobile phone, which improves the sensitivity by changing the piezoelectric ceramic plate, and can be used in the display screen of the mobile phone by direct installation.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a bone conduction microphone suitable for a mobile phone comprises a microphone main body, a vibration unit and a control unit, wherein a cavity is formed in the microphone main body, the vibration unit is used for sensing a cheek vibration signal, and the control unit is used for converting the vibration signal of the vibration unit into a sound signal and outputting the sound signal; the vibration unit and the control unit are arranged in the cavity; the vibration unit sequentially comprises a first piezoelectric ceramic piece, an upper electrode piece, a vibration diaphragm, a lower electrode piece and a second piezoelectric ceramic piece from top to bottom.
Furthermore, an output cable connected with the mobile phone main control circuit is arranged on the control unit.
Further, the vibration unit is in electrical communication with the control unit.
Further, the microphone main body comprises a shell and a cover plate which is arranged on the shell in a covering mode; the shell and the cover plate enclose and block together to form the cavity.
Furthermore, the microphone main body is attached to the inner side of the display screen of the mobile phone.
Further, the vibration unit is arranged in parallel to the surface of the display screen of the mobile phone.
Further, the control unit is a control circuit board.
Compared with the prior art, the utility model is suitable for a bone conduction microphone of cell-phone's beneficial effect lies in: the voice information of a user is transmitted to a bone conduction microphone main body in a display screen of the mobile phone through cheek vibration, the vibration unit receives vibration signals and converts the vibration signals into sound signals through a control unit, the sound signals are finally transmitted to a main control circuit of the mobile phone through an output cable, the sensitivity is improved by changing a piezoelectric ceramic piece, and the piezoelectric ceramic piece can be directly installed in the display screen of the mobile phone for use; the mobile phone does not need to be provided with a sound inlet hole, so that the waterproof requirement grade of the mobile phone is greatly improved; the microphone structure can effectively increase the sensitivity while achieving the function of the existing microphone, and is suitable for wider fields for users without setting sound holes.
[ description of the drawings ]
Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the cover plate of the embodiment of the present invention after being opened;
fig. 3 is a schematic view of a state structure of the embodiment of the present invention disposed on a mobile phone screen;
the figures in the drawings represent:
100 a bone conduction microphone for a mobile phone; 101, a mobile phone display screen;
1, a microphone main body, 11 cavities, 12 shells and 13 cover plates; 2, a vibration unit, 21 a first piezoelectric ceramic piece, 22 an upper electrode piece, 23 a vibration diaphragm, 24 a lower electrode piece and 25 a second piezoelectric ceramic piece; 3 a control unit.
[ detailed description ] embodiments
The first embodiment is as follows:
referring to fig. 1 to 3, the present embodiment is a bone conduction microphone 100 suitable for a mobile phone, which includes a microphone body 1 having a cavity 11 formed therein, a vibration unit 2 disposed in the cavity 11, and a control unit 3.
The control unit 3 is provided with an output cable 4 connected with a mobile phone main control circuit.
The vibration unit 2 is used for sensing a cheek vibration signal and transmitting the signal to the control unit 3. The control unit 3 is used for converting the skull vibration signal transmitted back by the vibration unit 2 into a sound signal, and the sound signal is finally output through the output cable 1. Thus, the obtained sound signal is led out by the output cable 1 and then transmitted to the mobile phone main control circuit to the loudspeaker system.
The microphone body 1 includes a housing 12 attached to the inside of the display screen of the mobile phone, and a cover plate 13 covering the housing 12. One side of the housing 12 is provided with an opening, and the cover plate 13 is enclosed at the opening, thereby enclosing and forming the cavity 11.
The vibration unit 2 sequentially comprises a first piezoelectric ceramic piece 21, an upper electrode piece 22, a diaphragm piece 23, a lower electrode piece 24 and a second piezoelectric ceramic piece 25 from top to bottom. The first piezoelectric ceramic piece 21 and the second piezoelectric ceramic piece 25 are connected together through the upper electrode plate 22, the vibrating diaphragm 23 and the lower electrode plate 24, and simultaneously, the vibration is induced, so that the induction sensitivity is greatly improved, and the high-sensitivity vibration unit 2 is formed.
The vibration unit 2 is arranged in parallel with the surface of the display screen of the mobile phone. When the vibration unit 2 is used, the whole body is parallel to the human body, so that the sensitivity of vibration receiving can be further improved, and the receiving efficiency is improved.
The control unit 3 is a control circuit board structure.
The bone conduction microphone 100 suitable for the mobile phone in the embodiment transmits the voice information of the user to the bone conduction microphone main body in the display screen of the mobile phone through the vibration of the cheek, converts the voice information into a sound signal through the control unit after the vibration unit receives the vibration signal, and finally transmits the sound signal to the main control circuit of the mobile phone through the output cable, improves the sensitivity by changing the piezoelectric ceramic piece, and can be directly installed in the display screen of the mobile phone for use; the mobile phone does not need to be provided with a sound inlet hole, so that the waterproof requirement grade of the mobile phone is greatly improved; the microphone structure can effectively increase the sensitivity while achieving the function of the existing microphone, and is suitable for wider fields for users without setting sound holes.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. A bone conduction microphone suitable for a mobile phone is characterized in that: the facial mask comprises a microphone main body, a vibration unit and a control unit, wherein a cavity is formed in the microphone main body, the vibration unit is used for sensing a cheek vibration signal, and the control unit is used for converting the vibration signal of the vibration unit into a sound signal and outputting the sound signal; the vibration unit and the control unit are arranged in the cavity; the vibration unit sequentially comprises a first piezoelectric ceramic piece, an upper electrode piece, a vibration diaphragm, a lower electrode piece and a second piezoelectric ceramic piece from top to bottom.
2. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: and the control unit is provided with an output cable connected with the mobile phone main control circuit.
3. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: the vibration unit is in electrical communication with the control unit.
4. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: the microphone main body comprises a shell and a cover plate which is covered on the shell; the shell and the cover plate enclose and block together to form the cavity.
5. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: the microphone main body is attached to the inner side of the display screen of the mobile phone.
6. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: the vibration unit is arranged in parallel to the surface of the display screen of the mobile phone.
7. A bone conduction microphone adapted for use in a handset as defined in claim 1, wherein: the control unit is a control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547591.XU CN214480738U (en) | 2021-03-17 | 2021-03-17 | Bone conduction microphone suitable for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547591.XU CN214480738U (en) | 2021-03-17 | 2021-03-17 | Bone conduction microphone suitable for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214480738U true CN214480738U (en) | 2021-10-22 |
Family
ID=78156149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120547591.XU Active CN214480738U (en) | 2021-03-17 | 2021-03-17 | Bone conduction microphone suitable for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214480738U (en) |
-
2021
- 2021-03-17 CN CN202120547591.XU patent/CN214480738U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103460714B (en) | Ear microphone and ear microphone voltage-operated device | |
| CN106331233A (en) | Terminal equipment | |
| CN104936054B (en) | A kind of modularization profiling earphone and preparation method | |
| CN202872885U (en) | Mobile communication device | |
| CN206042080U (en) | Terminal device | |
| CN105848019A (en) | Mobile terminal equipment having enclosed housing structure | |
| CN108429975A (en) | A kind of osteoacusis intelligent communication earphone | |
| CN214480738U (en) | Bone conduction microphone suitable for mobile phone | |
| CN207150781U (en) | A kind of active noise reduction earphone of pluggable earphone line | |
| CN209283460U (en) | Speaker and its microphone structure | |
| CN106412785B (en) | Multifunctional bone conduction hearing aid | |
| CN206060849U (en) | Mobile communication terminal | |
| CN205358395U (en) | Helmet of riding with larynx wheat function | |
| CN211831127U (en) | Anti-noise structure of TWS Bluetooth headset | |
| WO2022100111A1 (en) | Bluetooth audio device and hanging type bluetooth earphone | |
| CN208863046U (en) | A kind of earphone front cover device with noise reduction microphone call function | |
| CN213213835U (en) | Miniature wireless bluetooth receiver | |
| CN114079835A (en) | Electronic equipment and wrist wearing equipment | |
| CN112153517A (en) | Multi-medium conduction double-microphone earphone | |
| CN213462230U (en) | Independent intelligent earphone based on 5G technology | |
| CN214708021U (en) | Wireless earphone | |
| CN109451115A (en) | A kind of completely waterproof mobile phone | |
| CN220798519U (en) | Multifunctional bone conduction earphone | |
| CN215268662U (en) | Earphone set | |
| CN110035340A (en) | Terminal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |