Recording device and voice transfer device
By using a telescopic drive mechanism in the recording device to switch the microphone component between working and non-working states, the contradiction between electret microphone protection, aesthetics, and recording quality is resolved, achieving a balance between aesthetics and recording quality.
Patent Information
- Application Number
- CN202422712104.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-07
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-11-07
AI Technical Summary
Electret microphones are structurally weak in recording devices and require a support frame for protection. However, the support frame affects the aesthetics and obstructs the sound intake area, resulting in poor recording quality.
A telescopic drive mechanism is used to switch the microphone component between working and non-working states. In the non-working state, the microphone component is housed in the accommodating cavity, and in the working state, it extends out of the recording hole to receive sound waves. The position switching is achieved by the cooperation of a motor-driven gear set and a lead screw.
It improves the structural aesthetics of the recording device and ensures that the microphone component is not obstructed during operation, resulting in excellent recording quality.
Smart Images

Figure CN223553429U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic product technology, and in particular to a recording device and a speech transcription device. Background Technology
[0002] An electret microphone is a type of condenser microphone used to convert weak sound vibrations into small, pulsating electrical signals. Due to their high sensitivity, good anti-interference capabilities, and stable frequency response, electret microphones are widely used in recording devices such as voice recorders.
[0003] When electret microphones are used in recording devices, their relatively weak structure necessitates protection by a housing or enclosure. In related technologies, a support frame extends from the device body to protect the electret microphone. While this provides protection, the support frame can negatively impact the overall aesthetics of the recording device. Furthermore, it can obstruct the sound intake area, resulting in poor recording quality. Utility Model Content
[0004] The first aspect of this utility model provides a recording device to solve at least one of the above-mentioned technical defects in the prior art. The microphone component can switch positions between working and non-working states through a telescopic drive mechanism. In the non-working state, the microphone component is housed in the accommodating cavity, which can effectively improve the structural aesthetics of the recording device. In the working state, the microphone component is not blocked or interfered with by other components, resulting in better recording effect.
[0005] The second aspect of this utility model provides a speech transcription device.
[0006] The first aspect of this utility model provides a recording device, including a device body and a microphone assembly.
[0007] The device body is provided with a recording hole and a receiving cavity communicating with the recording hole;
[0008] The microphone assembly includes a microphone component and a telescopic drive mechanism. The telescopic drive mechanism is disposed in the receiving cavity. The microphone component is connected to the output end of the telescopic drive mechanism and is adapted to switch positions between an operating state and a non-operating state. In the non-operating state, the microphone component is housed in the receiving cavity. In the operating state, the telescopic drive mechanism drives the microphone component to extend from the recording hole.
[0009] According to the recording device provided by this utility model, the telescopic drive mechanism includes a drive component and a transmission component. The transmission component is connected to the output end of the drive component, and the microphone component is connected to the transmission component. The transmission component is adapted to drive the microphone component to switch positions between a working state and a non-working state under the action of the drive component.
[0010] According to the recording device provided by this utility model, the driving component includes a motor, and the output end of the motor is provided with a driving gear, which meshes with the transmission component for transmission.
[0011] According to the recording device provided by this utility model, the transmission component includes a lead screw and a gear set, the lead screw is threadedly engaged with the microphone component, and the gear set is composed of multiple transmission gears meshing with each other;
[0012] The first-stage transmission gear of the gear set meshes with the drive gear, and the last-stage transmission gear of the gear set is connected to the lead screw.
[0013] According to the recording device provided by this utility model, the transmission component includes a lead screw and a transmission shaft, the lead screw is threadedly engaged with the microphone component, and a transmission gear is provided on the lead screw;
[0014] The drive shaft is provided with bevel gears at both ends. One bevel gear meshes with the drive gear, and the other bevel gear meshes with the transmission gear.
[0015] According to the recording device provided by this utility model, the microphone component is provided in two sets, and the two sets of microphone components are symmetrically arranged at opposite ends of the telescopic drive mechanism. The telescopic drive mechanism is used to drive the two sets of microphone components to telescopically extend and retract synchronously.
[0016] According to the recording device provided by this utility model, the telescopic drive mechanism includes a linear drive module, which is disposed in the accommodating cavity, and the microphone component is connected to the output end of the telescopic drive mechanism.
[0017] According to the recording device provided by this utility model, the microphone component includes a microphone body and a housing. The housing is provided with a pickup hole. The microphone body is located inside the housing and receives sound signals through the pickup hole, and converts the sound signals into analog audio electrical signals.
[0018] According to the recording device provided by this utility model, the microphone component further includes an encoding module, which is electrically connected to the microphone body and is used to receive the analog audio electrical signal output by the microphone body and convert the analog audio electrical signal into a digital audio electrical signal.
[0019] A second aspect of this utility model provides a speech transcription device, including a transcriber and any one of the recording devices described above, wherein the transcriber is used to receive audio electrical signals from the recording device and convert the audio electrical signals into text information.
[0020] The recording device provided by this utility model, by setting a telescopic drive mechanism in the accommodating cavity and connecting the microphone component to the output end of the telescopic drive mechanism, allows the microphone component to switch positions between working and non-working states. In the non-working state, the microphone component is housed in the accommodating cavity, which does not affect the appearance structure of the recording device and can effectively improve the structural aesthetics of the recording device. In the working state, the telescopic drive mechanism drives the microphone component to extend from the recording hole to receive sound waves. The sound intake area of the microphone component is not blocked or interfered with by other components, resulting in better recording effect.
[0021] The speech transcription device provided by this utility model has all the advantages mentioned above because it includes the recording device described above. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the structure of a recording device in the prior art.
[0024] Figure 2 This is one of the partial structural schematic diagrams of the recording device provided in this utility model embodiment (the microphone component is in a non-working state).
[0025] Figure 3 This is a second partial structural schematic diagram of the recording device provided in this embodiment of the utility model (the microphone component is in the working state).
[0026] Figure 4 This is a partial structural exploded view of the recording device provided in an embodiment of the present invention.
[0027] Figure 5 This is one of the partial structural cross-sectional schematic diagrams of the recording device provided in this embodiment of the utility model (the microphone component is in a non-working state).
[0028] Figure 6 This is the second partial structural cross-sectional view of the recording device provided in this embodiment of the utility model (microphone component in working state).
[0029] Figure label:
[0030] 100. Main body; 200. Support frame; 300. Electret microphone;
[0031] 10. Device body; 11. Recording hole; 12. Receiving cavity;
[0032] 20. Microphone assembly; 21. Microphone component; 22. Telescopic drive mechanism; 221. Drive component; 2211. Drive gear; 222. Transmission component; 2221. Lead screw; 2222. Gear set; 2223. Transmission gear. Detailed Implementation
[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0034] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.
[0035] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0036] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0037] Figure 1 This is a schematic diagram of the structure of a recording device in the prior art.
[0038] See Figure 1 Due to the structural characteristics of electret microphones, an open aperture is required to receive sound waves. Therefore, a perforation is designed around the microphone to maximize the sound reception area. Furthermore, because electret microphones have relatively weak structural strength, a housing is needed for support and protection. For example, a support frame 200 extends from the main body 100 to protect the electret microphone 300. While the support frame 200 provides protection, it can negatively impact the overall aesthetics of the recording device. Additionally, the support frame 200 can obstruct the sound intake area, resulting in poor recording quality. Therefore, this embodiment of the invention provides a recording device.
[0039] Figure 2 This is one of the partial structural schematic diagrams of the recording device provided in this utility model embodiment (the microphone component is in a non-working state). Figure 3 This is a second partial structural schematic diagram of the recording device provided in this embodiment of the utility model (the microphone component is in the working state). Figure 4 This is a partial structural exploded view of the recording device provided in an embodiment of the present invention.
[0040] See Figures 2 to 4 This utility model provides a recording device, which can be an electronic product such as a voice recorder or mobile phone. The recording device includes a device body 10 and a microphone assembly 20.
[0041] The device body 10 can be a shell or protective cover, etc., mainly defining the appearance of the recording device. The top of the device body 10 is provided with a recording hole 11, and the internal structure of the device body 10 has a receiving cavity 12, which is connected to the recording hole 11. When the recording device is a recording pen, the device body 10 is the pen body of the recording pen; when the recording device is a mobile phone, the device body 10 is the shell of the mobile phone.
[0042] The microphone assembly 20 includes a microphone component 21 and a telescopic drive mechanism 22. The telescopic drive mechanism 22 is disposed in the accommodating cavity 12. The microphone component 21 is connected to the output end of the telescopic drive mechanism 22 and is adapted to switch positions between working and non-working states.
[0043] When the microphone component 21 is not in operation, such as Figure 2 As shown, the microphone component 21 is housed in the accommodating cavity 12, which does not affect the appearance and structure of the recording device and can effectively improve the structural aesthetics of the recording device.
[0044] When the microphone component 21 is in working condition, such as Figure 3 As shown, the telescopic drive mechanism 22 drives the microphone component 21 to extend from the recording hole 11 to receive sound waves. The sound intake area of the microphone component 21 is not blocked or interfered with by other components, resulting in better recording effect.
[0045] It is understood that the recording device provided in this embodiment of the present invention, by providing a telescopic drive mechanism 22 in the accommodating cavity 12 and connecting the microphone component 21 to the output end of the telescopic drive mechanism 22, allows the microphone component 21 to switch positions between working and non-working states. In the non-working state, the microphone component 21 is housed in the accommodating cavity 12, which does not affect the appearance structure of the recording device and can effectively improve the structural aesthetics of the recording device. In the working state, the telescopic drive mechanism 22 drives the microphone component 21 to extend from the recording hole 11 to receive sound waves. The sound intake area of the microphone component 21 is not blocked or interfered with by other components, resulting in better recording effect.
[0046] Continue reading Figure 4 In some embodiments of this utility model, the telescopic drive mechanism 22 includes a drive component 221 and a transmission component 222. The transmission component 222 is connected to the output end of the drive component 221, and the microphone component 21 is connected to the transmission component 222. The transmission component 222 is adapted to drive the microphone component 21 to switch positions between working and non-working states under the action of the drive component 221.
[0047] The driving component 221 includes a motor, which can be a micro motor or a speed reducer, etc. The output end of the motor is provided with a driving gear 2211, which meshes with the transmission component 222 for transmission. When the motor operates, it drives the driving gear 2211 to rotate, and the driving gear 2211 drives the transmission component 222 to move, thereby causing the microphone component 21 connected to the output end of the transmission component 222 to change position, so as to switch the position between working and non-working states.
[0048] In some embodiments of this utility model, the transmission component 222 includes a lead screw 2221 and a gear set 2222. The lead screw 2221 is threadedly engaged with the microphone component 21. The gear set 2222 is composed of multiple transmission gears 2223 meshing with each other. The transmission gears 2223 are sequentially divided into first-stage transmission gears, second-stage transmission gears, third-stage transmission gears, and final-stage transmission gears from the position of the drive gear 2211 toward the lead screw 2221.
[0049] The first-stage transmission gear of gear set 2222 meshes with the drive gear 2211, and the last-stage transmission gear of gear set 2222 is connected to the lead screw 2221.
[0050] When the motor works, it drives the drive gear 2211 to rotate. The drive gear 2211 drives the first-stage transmission gear meshing with it to rotate. The first-stage transmission gear drives the second-stage transmission gear to rotate in sequence. The second-stage transmission gear drives the third-stage transmission gear, and so on, until the last-stage transmission gear rotates to drive the lead screw 2221 to rotate, thereby pushing the microphone component 21 out of the recording hole 11 to receive sound waves, or storing the microphone component 21 in the accommodating cavity 12.
[0051] It should be noted that the number of transmission gears in gear set 2222 is related to the distance between drive gear 2211 and lead screw 2221. The greater the distance between drive gear 2211 and lead screw 2221, the more transmission gears there are in gear set 2222.
[0052] In some embodiments of this utility model, the transmission component 222 includes a lead screw 2221 and a transmission shaft (not shown in the figure). The lead screw 2221 is threadedly engaged with the microphone component 21, and a transmission gear 2223 is provided on the lead screw 2221. Bevel gears are provided at both ends of the transmission shaft. One bevel gear meshes with the drive gear 2211, and the other bevel gear meshes with the transmission gear 2223.
[0053] When the motor operates, it drives the drive gear 2211 to rotate. The drive gear 2211 drives the bevel gear meshing with it to rotate, thereby causing the transmission shaft to rotate and drive the bevel gear at the other end to rotate. The bevel gear at the other end drives the transmission gear 2223 on the lead screw 2221 to rotate, thereby causing the lead screw 2221 to rotate, pushing the microphone component 21 out of the recording hole 11 to receive sound waves, or storing the microphone component 21 in the receiving cavity 12.
[0054] In some embodiments of this utility model, the microphone component 21 may be configured with one or two sets depending on the actual usage.
[0055] When two sets of microphone components 21 are provided, each set of microphone components 21 can be controlled by an independent telescopic drive mechanism 22 to extend and retract to change its position and adapt to different working conditions. The two sets of microphone components 21 can also share a single telescopic drive mechanism 22 to control their telescopic movement and synchronously change their positions. That is, the two sets of microphone components 21 are symmetrically arranged at opposite ends of the telescopic drive mechanism 22, which drives the two sets of microphone components 21 to extend and retract synchronously.
[0056] For example, when two sets of microphone components 21 are provided, the drive component 221 is connected to the lead screw 2221 through the gear set 2222. The drive component 221 drives the gear set 2222 to rotate, thereby driving the lead screw 2221 to rotate, so as to push the microphone component 21 out of the recording hole 11 to receive sound waves, or to store the microphone component 21 in the receiving cavity 12.
[0057] For example, when two sets of microphone components 21 are provided, the drive component 221 can also be connected to the transmission gear 2223 on the lead screw 2221 through the bevel gear of the drive shaft. The drive component 221 drives the drive shaft to rotate, so as to drive the bevel gear and the transmission gear 2223 to rotate synchronously, thereby causing the lead screw 2221, which is keyed or fixedly connected to the transmission gear 2223, to rotate, pushing the microphone component 21 out of the recording hole 11 to receive sound waves, or storing the microphone component 21 in the receiving cavity 12.
[0058] Figure 5 This is one of the partial structural cross-sectional schematic diagrams of the recording device provided in this embodiment of the utility model (the microphone component is in a non-working state). Figure 6 This is the second partial structural cross-sectional view of the recording device provided in this embodiment of the utility model (microphone component in working state).
[0059] See Figure 5 and Figure 6 In this embodiment of the utility model, two sets of microphone components 21 are set up, referred to as microphone component 21A and microphone component 21B respectively. The driving component 221 is connected to the lead screw 2221 through the gear set 2222 to drive the synchronous extension and retraction of microphone component 21A and microphone component 21B.
[0060] The driving component 221 is located between microphone components 21A and 21B. Gear sets 2222 on both sides of the driving component 221 are symmetrically arranged. Microphone component 21A is threadedly engaged with a lead screw 2221A. A transmission gear 2223A is provided on the lead screw 2221A via a key connection or fixed connection. The transmission gear 2223A meshes with the gear set 2222 on one side of the driving component 221. Microphone component 21B is threadedly engaged with the lead screw 2221B. A transmission gear 2223B is provided on the lead screw 2221B via a key connection or fixed connection. The transmission gear 2223B meshes with the gear set 2222 on the other side of the driving component 221.
[0061] Among them, the screws 2221A and 2221B have opposite thread directions to ensure that the screws 2221A and 2221B can rotate synchronously, so as to drive the microphone components 21A and 21B to achieve synchronous position changes.
[0062] For example, when the thread direction of lead screw 2221A is left-handed, the thread direction of lead screw 2221B is right-handed. And vice versa.
[0063] like Figure 6 As shown, when the record button of the recording device is pressed, the main board of the recording device sends an electrical signal to the micro motor. The micro motor rotates in the forward direction to drive the gear sets 2222 on both sides to rotate synchronously. The gear set 2222 on one side transmits power to the transmission gear 2223A, which in turn transmits power to the lead screw 2221A. The lead screw 2221A drives the transmission nut on the microphone component 21A to rotate, causing the microphone component 21A to extend out of the recording hole 11. The gear set 2222 on the other side transmits power to the transmission gear 2223B, which in turn transmits power to the lead screw 2221B. The lead screw 2221B drives the transmission nut on the microphone component 21B to rotate, causing the microphone component 21B to extend out of the recording hole 11.
[0064] like Figure 5 As shown, when the recording device stops recording, the main board of the recording device sends a signal to the micro motor, which rotates in the opposite direction to drive the gear sets 2222 on both sides to rotate synchronously. The gear set 2222 on one side transmits power to the transmission gear 2223A, which in turn transmits it to the lead screw 2221A. The lead screw 2221A drives the transmission nut on the microphone component 21A to rotate, thus housing the microphone component 21A in the receiving cavity 12. The gear set 2222 on the other side transmits power to the transmission gear 2223B, which in turn transmits it to the lead screw 2221B. The lead screw 2221B drives the transmission nut on the microphone component 21B to rotate, thus housing the microphone component 21B in the receiving cavity 12.
[0065] In some embodiments of this utility model, the telescopic drive mechanism 22 includes a linear drive module, which is disposed in the accommodating cavity 12, and the microphone component 21 is connected to the output end of the telescopic drive mechanism 22.
[0066] The linear drive module can be an electric telescopic rod, an electric cylinder, or a linear motor. The microphone component 21 can be directly mounted on the output end of the linear drive module. When the telescopic drive mechanism 22 includes a linear drive module, each microphone component 21 can be controlled by an independent linear drive module to telescopically move and change its position.
[0067] In some embodiments of this utility model, the microphone component 21 includes a microphone body and a housing. The housing is provided with a pickup hole and is essentially a cylindrical pickup cover. The microphone body is located inside the housing and receives sound signals through the pickup hole, converting the sound signals into analog audio electrical signals.
[0068] The microphone component 21 also includes an encoding module, which is electrically connected to the microphone body and is used to receive the analog audio electrical signal output by the microphone body and convert the analog audio electrical signal into a digital audio electrical signal.
[0069] This utility model also provides a speech transcription device, which includes a transcriber and a recording device as described above. The transcriber is used to receive the audio electrical signal from the recording device and convert the audio electrical signal into text information.
[0070] Since the speech transcription device includes the aforementioned recording device, it possesses all the advantages of the aforementioned recording device.
[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A recording device, characterized in that, include: The device body is provided with a recording hole and a receiving cavity communicating with the recording hole; A microphone assembly includes a microphone component and a telescopic drive mechanism, the telescopic drive mechanism being disposed in the receiving cavity, the microphone component being connected to the output end of the telescopic drive mechanism and adapted to switch positions between an operating state and a non-operating state; in the non-operating state, the microphone component is received in the receiving cavity; in the operating state, the telescopic drive mechanism drives the microphone component to extend from the recording port.
2. The recording device according to claim 1, characterized in that, The telescopic drive mechanism includes a drive component and a transmission component. The transmission component is connected to the output end of the drive component, and the microphone component is connected to the transmission component. The transmission component is adapted to drive the microphone component to switch positions between a working state and a non-working state under the action of the drive component.
3. The recording device according to claim 2, characterized in that, The driving component includes a motor, and the output end of the motor is provided with a driving gear, which meshes with the transmission component for transmission.
4. The recording device according to claim 3, characterized in that, The transmission component includes a lead screw and a gear set. The lead screw is threaded into the microphone component, and the gear set is composed of multiple meshing transmission gears. The first-stage transmission gear of the gear set meshes with the drive gear, and the last-stage transmission gear of the gear set is connected to the lead screw.
5. The recording device according to claim 3, characterized in that, The transmission component includes a lead screw and a transmission shaft. The lead screw is threaded into the microphone component, and a transmission gear is provided on the lead screw. The drive shaft is provided with bevel gears at both ends. One bevel gear meshes with the drive gear, and the other bevel gear meshes with the transmission gear.
6. The recording device according to claim 1, characterized in that, The microphone component is provided in two sets, and the two sets of microphone components are symmetrically arranged at opposite ends of the telescopic drive mechanism. The telescopic drive mechanism is used to drive the two sets of microphone components to extend and retract synchronously.
7. The recording device according to claim 1, characterized in that, The telescopic drive mechanism includes a linear drive module disposed in the accommodating cavity, and the microphone component is connected to the output end of the telescopic drive mechanism.
8. The recording apparatus according to any one of claims 1 to 7, characterized in that, The microphone component includes a microphone body and a housing. The housing has a pickup hole. The microphone body is located inside the housing and receives sound signals through the pickup hole, converting the sound signals into analog audio electrical signals.
9. The recording device according to claim 8, characterized in that, The microphone component also includes an encoding module, which is electrically connected to the microphone body and is used to receive analog audio signals output by the microphone body and convert the analog audio signals into digital audio signals.
10. A speech-to-text device, characterized in that, The device includes a transcriber and a recording apparatus according to any one of claims 1 to 9, wherein the transcriber is used to receive audio electrical signals from the recording apparatus and convert the audio electrical signals into text information.