CN110139175A - In a kind of video display engineering can anti-noise recording device - Google Patents
In a kind of video display engineering can anti-noise recording device Download PDFInfo
- Publication number
- CN110139175A CN110139175A CN201910442588.9A CN201910442588A CN110139175A CN 110139175 A CN110139175 A CN 110139175A CN 201910442588 A CN201910442588 A CN 201910442588A CN 110139175 A CN110139175 A CN 110139175A
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- China
- Prior art keywords
- fixedly connected
- recording
- protective shell
- noise
- containing cavities
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Classifications
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- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- 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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses in a kind of video display engineering can anti-noise recording device.It includes protective shell, sound insulation shade assembly, recording driving body, leg support component and hand-held bar assembly, digging in the protective shell has containing cavities, what the containing cavities were slidably connected is provided with recording driving body, the recording drives body automatically to go up and down for automatic recording part and skids off containing cavities convenient for timely safeguarding and easily using, the protective shell top encapsulation has soundproofing member, the soundproofing member is for protecting recording driving body and playing certain deadening, wherein, the protective shell side is equipped with the leg support component of convenient storage, the leg support group valence is convenient for keeping recording state to prevent noise in fixed position, the protective shell bottom is fixedly connected with hand-held bar assembly.
Description
Technical field
The present invention relates to video display field of engineering technology, in specifically a kind of video display engineering can anti-noise recording device.
Background technique
In video display engineering, shooting, lighting be wherein main work, but in shooting process take off be unable to do without it is good
Recording is dubbed after often shooting to performer in video display recording existing at present, some sound right and wrong, in this way to not
The shape of the mouth as one speaks of upper performer, spectators' recording device very uncomfortable and current when watching often mix noise, such as electromagnetic wave
The problems such as disturbing factor, environment is noisy, causes recorded film dubbed effect very poor.In addition, when recording at the scene, often
Manually or mechanically hand supports, and prevents from interfering with video record, the bridge that existing mode supports is very long, not Easy Move and receipts
It receives, for needing in fixed place recording, support is also a big problem.
Summary of the invention
The object of the present invention is to provide in a kind of video display engineering can anti-noise recording device, fundamentally solve existing
Support problem, without anti electromagnetic wave, shake noise without radix saposhnikoviae the problems such as, simple with structure, cheap, noise-proofing effectively,
The advantages that maintenance is convenient.
To achieve the above object, the present invention provides the following technical scheme that in a kind of video display engineering can anti-noise recording
Device comprising protective shell, sound insulation shade assembly, recording drives body, leg support component and hand-held bar assembly, in the protective shell
Cutting has containing cavities, and what the containing cavities were slidably connected is provided with recording driving body, and the recording driving body is for automatic
Recording part, which is automatically gone up and down, skids off containing cavities convenient for timely safeguarding and easily using, and the protective shell top encapsulation has sound insulation
Component, the soundproofing member is for protecting recording driving body and playing certain deadening, wherein the protective shell side
Leg support component equipped with convenient storage, the leg support group valence are convenient for keeping recording state to prevent out in fixed position
Existing noise, the protective shell bottom is fixedly connected with hand-held bar assembly.
Preferably technical solution is communicated equipped with thread groove in the storage cavity rear end inner wall, the recording driving machine
Body includes the first sliding block being slidably connected in the containing cavities, is equipped with the first drive cavity in first sliding block, and described first
It is rotatably mounted first rotating shaft in drive cavity bottom interior wall, is fixedly connected at the top of the first rotating shaft and is passed positioned at described first
Move the first intracavitary tooth runner, the first rotating shaft bottom stretch out first slider bottom and be fixedly connected with for institute
The external screw thread disk that thread groove is threadedly engaged is stated, first penetrated through with first drive cavity is equipped in first sliding block and is slided
Slot, the first sliding groove top right end perforation are equipped with second sliding slot, and the perforation of first sliding groove bottom left end is equipped with third sliding slot,
The second sliding block is slidably connected in the first sliding groove, described second sliding block or so end is equipped with contrary inclined-plane top splenium,
It is equipped with the second drive cavity in second sliding block, is equipped with symmetrical second turn to the second drive cavity lower rotation
Axis, second shaft bottom are equipped with for the second tooth runner with the ratcheting connection of the first tooth runner, second shaft
Top is equipped with first bevel gear, is rotatably mounted third shaft, the third shaft right end end in second drive cavity
Be fixedly connected with the motor output end being embedded in the second drive cavity right end inner wall, the third shaft be equipped with for
The second bevel gear of the ratcheting connection of first bevel gear is fixedly connected in the containing cavities bottom interior wall described for injecting
First in third sliding slot abuts stripper plate, and for injecting in the second sliding slot is fixedly connected at the top of the containing cavities
Two abut stripper plate.First slider top center is fixedly connected with phonographic recorder, and first slider top is fixedly connected with packet
Wrap up in the noise isolating cover of the phonographic recorder.While two symmetrical second tooth runners being driven to rotate and turn to opposite by motor
Rotation, thus make external screw thread disk position when, according to turn rotate in the opposite direction, and first abutting stripper plate and second support
The steering for automatically switching external screw thread disk at top and bottom can be realized by connecing stripper plate.
Preferably technical solution is fixedly connected with for controlling the motor start and stop on the containing cavities bottom
One abuts switch, is fixedly connected on the containing cavities top and abuts switch for controlling the motor second, at bottom,
Phonographic recorder is accommodated in containing cavities, i.e., controllable motor stops operating, and at top, phonographic recorder, which exposes, starts work outside containing cavities
When making, second abuts the start and stop of switch controls motor.
Preferably technical solution, the soundproofing member include the central symmetry dug in the containing cavities top port
Rotation mouth, be rotatably connected to soundproof plate in the rotation mouth, be connected with sound insulation band between the soundproof plate side, it is described every
Soundboard top encapsulation has windproof noise isolating sound cloth, and the soundproof plate is fixedly connected with poke rod on the inside of the containing cavities, described
Poke rod end is hingedly connected with hinged ball, is fixedly connected with goring push spring between the poke rod and the rotation mouth.When
When one sliding block reaches top, soundproof plate is unfolded pushing tow poke rod, until expanded angle is maximum when phonographic recorder is completely exposed,
The effect of isolation noise can be further functioned as.
Preferably technical solution, the leg support component include the accommodating groove dug on the outside of the protective shell, institute
The supporting leg that more piece socket adjustable length is rotatably mounted in storage trench bottom is stated, the supporting leg and the accommodating groove turn
Dynamic junction is equipped with driving motor, is easy to implement when needing fixed location to record, the starting supporting leg of automation, stable branch
Support, which prevents from shaking, generates noise, can also the placement damage of further protection device.
In addition, being equipped with electromagnetic wave shielding device on the outside of the protective shell, can prevent in recording, mobile phone signal, electric current etc. produce
Raw electromagnetic wave influence recording.
Preferably technical solution, the hand-held bar assembly include being fixedly connected on the electronic of protective shell bottom to stretch
Contracting bar, the electric telescopic rod bottom end are fixedly connected with handle, and the handle is equipped with control switch, the control switch
Switch and second is abutted with the motor, driving motor, first abuts switch electrical connection.It can a key control by control switch
The operation of the present apparatus.
The beneficial effects of the present invention are: the configuration of the present invention is simple, operates conveniently, by using miniature convenient and fast protective shell outside
Shape, storage convenience is easy to carry, the leg support of hand-held bar assembly and fixed recording on protective shell equipped with movable recording
Component solves the problems, such as in addition existing phonographic recorder installs fixed support device additional, and it is more, it can be achieved that best to be applicable in recording type
The optimal sound quality of the recording of distance prevents the quality for influencing to record because of distance, has been equipped with inside miniature protective shell
When full storage and when complete work, automatic positioning switching power running direction and motor on off controller, full-automatic running,
Phonographic recorder protectiveness is preferable, it is ensured that records the sound quality of better quality, one-key start.In addition, using noise isolating cover, blimp group
Part and three layers of electromagnetic wave shielding device of noise isolating mixer, noise isolation effect is preferable, be applicable in recording place it is more, be applicable in work post compared with
It is more, adverse circumstances recording preferably, in addition, outdoor recording, exploration are suitable for wearing on an electronic device, come into operation probability compared with
Greatly.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 be a kind of video display engineering of the invention in can anti-noise recording device inside overall structure diagram；
Fig. 2 is that recording of the invention drives internal body structural schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention
In the description of the present invention, it should be noted that the side of the instructions such as term " on ", "lower", "inner", "outside", " top/bottom end "
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as
Indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1 and Fig. 2, in a kind of video display engineering can anti-noise recording device comprising protective shell 100, blimp group
Part, recording driving body, leg support component and hand-held bar assembly, interior dig of protective shell 100 have containing cavities 109, and containing cavities 109 are sliding
Dynamic connection is provided with recording driving body, and recording driving body is automatically gone up and down for automatic recording part skids off containing cavities 109
Convenient for timely safeguarding and easily using, 100 top encapsulation of protective shell has soundproofing member, and soundproofing member is for protecting recording to drive
Motivation body and play certain deadening, wherein 100 side of protective shell is equipped with the leg support component of convenient storage, leg support
Group valence is convenient for keeping recording state to prevent noise in fixed position, and 100 bottom of protective shell is fixedly connected with hand-held
Bar assembly.
It is communicated in 109 rear end inner wall of containing cavities equipped with thread groove 118, recording driving body includes being slidably connected at containing cavities
The first sliding block 111 in 109, the first sliding block 111 are interior equipped with the first drive cavity 128, the interior rotation of 128 bottom interior wall of the first drive cavity
Ground is equipped with first rotating shaft 120, and the first tooth runner in the first drive cavity 128 is fixedly connected at the top of first rotating shaft 120
129,120 bottom of first rotating shaft is stretched out 111 bottom of the first sliding block and is fixedly connected with for being threadedly engaged with thread groove 118
External screw thread disk 119, the first sliding block 111 is interior equipped with the first sliding groove 124 penetrated through with the first drive cavity 128, and first sliding groove 124 is pushed up
Right end perforation in portion's is equipped with second sliding slot 138, and the perforation of 127 bottom left end of first sliding groove is equipped with third sliding slot 126, first sliding groove 124
The second sliding block 125 is inside slidably connected, the second sliding block 125 or so end is equipped with contrary inclined-plane top splenium 137, the second sliding block
It is equipped with the second drive cavity 140 in 125, symmetrical second shaft 131 is installed to second drive cavity, 140 lower rotation, the
Two shafts, 131 bottom is equipped with for the second tooth runner 130 with the ratcheting connection of the first tooth runner 129, is set at the top of the second shaft 131
There is first bevel gear 132, third shaft 134 is rotatably mounted in the second drive cavity 140,134 right end end of third shaft is solid
Surely be connected with 136 output end of motor being embedded in 140 right end inner wall of the second drive cavity, third shaft 134 be equipped with for
The second bevel gear 133 of the ratcheting connection of first bevel gear 132 is fixedly connected in 109 bottom interior wall of containing cavities for injecting the
First in three sliding slots 126 abuts stripper plate 127, is fixedly connected at the top of containing cavities 109 for injecting in second sliding slot 138
Second abuts stripper plate 101.First sliding block, 111 top center is fixedly connected with phonographic recorder 104, fixed company at the top of the first sliding block 111
It is connected to the noise isolating cover 110 of package phonographic recorder 104.By motor 136 can drive two symmetrical second tooth runners 130 rotations and
Rotated while turning to opposite, thus make that external screw thread disk 119 positions when, according to turning to rotate in the opposite direction, and first
Abutting stripper plate 127 and the second abutting stripper plate 101 can realize and automatically switch turning for external screw thread disk 119 at top and bottom
To.
It is fixedly connected with first for controlling 136 start and stop of motor on 109 bottom of containing cavities and abuts switch 112, containing cavities
It is fixedly connected on 109 tops and abuts switch 105 for controlling motor 136 second, at bottom, phonographic recorder 104 is accommodated in
In containing cavities 109, i.e., controllable motor 136 stops operating, and at top, phonographic recorder 104, which exposes, starts work outside containing cavities 109
When making, second abuts controllable 136 start and stop of motor of switch 105.
Soundproofing member includes the centrosymmetric rotation mouth 107 dug in 109 top port of containing cavities, is rotated in mouth 107
Be rotatably connected to soundproof plate 102,102 side of soundproof plate between be connected with sound insulation band, 102 top encapsulation of soundproof plate have radix saposhnikoviae every
Noise cloth 103, soundproof plate 102 are fixedly connected with poke rod 106, the articulated connection of 106 end of poke rod on the inside of containing cavities 109
It is hinged to receive 108, goring push spring 113 is fixedly connected between poke rod 106 and rotation mouth 107.It is pushed up when the first sliding block 111 reaches
When portion, soundproof plate 102 is unfolded pushing tow poke rod 106, can be into until phonographic recorder 104, when being completely exposed, expanded angle is maximum
One step plays the role of that noise is isolated.
Leg support component includes the accommodating groove 121 dug in 100 outside of protective shell, and accommodating groove is rotationally pacified in 121 bottom
It is socketed the supporting leg 117 of adjustable length equipped with more piece, is equipped with driving motor at supporting leg 117 and 121 rotation connection of accommodating groove,
It is easy to implement when needing fixed location to record, the starting supporting leg of automation, stable support, which prevents from shaking, generates noise, also
It can the placement damage of further protection device.
It is equipped with electromagnetic wave shielding device 122 on the outside of protective shell 100, can prevent in recording, the generations such as mobile phone signal, electric current
Electromagnetic wave influence recording.
Hand-held bar assembly includes being fixedly connected on the electric telescopic rod 116 of 100 bottom of protective shell, 116 bottom of electric telescopic rod
Portion end is fixedly connected with handle 115, and handle 115 is equipped with control switch 114, control switch 114 and motor 136, driving electricity
Machine, first abut switch 112 and second and abut the electrical connection of switch 105.It can a key control present apparatus by control switch 114
Operation.
When original state, supporting leg 117 is fully located in accommodating groove 121, and electric telescopic rod 116 is in shortest state,
First sliding block 111 is located at 109 bottommost of containing cavities, at this point, the first abutting switch 112 is abutted with the first sliding block 111, first is abutted
Stripper plate 127 is put in third sliding slot 126, and the second sliding block 125 is located at 124 right end of first sliding groove, left end the second tooth runner 130 with
The ratcheting connection of first tooth runner 129, soundproof plate 102 are in vertical position and form lesser space, and phonographic recorder 104 is fully located at
In containing cavities 109.
When needs are when fixed position is recorded, need to only press the starting driving motor of control switch 114 beats supporting leg 117
It opens, skids off accommodating groove 121, can be recorded on the smooth position such as the placement desktop of device monolithic stability or ground when needing to hold
When making the movies-making of movable interview, movement, it only need to start electric telescopic rod 116 by control switch 114, then hold hand
Handle 115 is recorded, and when being recorded using one of supporting way, can be recorded using anti-noise, that is, be passed through control switch
114 starting motors 136 and electromagnetic wave shielding device 122, electromagnetic wave shielding device 122 shield the shadow of mobile phone signal or current electromagnetic wave
It rings, prevents that noise, motor 136 drive external screw thread disk 119 to rotate, make the first sliding block 111, phonographic recorder 104 and blimp
110 move up simultaneously, until when reaching top blimp 110 and being abutted with radix saposhnikoviae noise isolating sound cloth 103, first sliding block 111 its pushing tow
Soundproof plate 102 is unfolded poke rod 106, until phonographic recorder 104, when being completely exposed, expanded angle is maximum, can further function as every
Effect from noise, the second last abut switch 105 and abut with the first sliding block 111, and automatic control motor 136 stops operating,
Meanwhile second abutting stripper plate 101 put in second sliding slot, at this point, right end the second tooth runner and the first ratcheting connection of tooth runner.
It, only need to be by 114 one-key start motor of control switch, due to right end the second tooth runner and first when needing to store
The ratcheting connection of tooth runner, motor 136 drive external screw thread disk 119 to rotate backward, to drive recording driving body decline storage
Into in containing cavities 109.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (7)
1. in a kind of video display engineering can anti-noise recording device, it is characterised in that: it includes protective shell (100), blimp group
Part, recording driving body, leg support component and hand-held bar assembly, interior dig of the protective shell (100) have containing cavities (109), institute
It states the recording that is provided with that containing cavities (109) are slidably connected and drives body, the recording driving body is automatic for automatic recording part
Lifting skid off containing cavities (109) convenient for timely maintenance and it is convenient use, protective shell (100) top encapsulation has sound insulation
Component, the soundproofing member is for protecting recording driving body and playing certain deadening, wherein the protective shell
(100) side is equipped with the leg support component of convenient storage, and the leg support group valence is convenient for keeping recording in fixed position
State prevents noise, and protective shell (100) bottom is fixedly connected with hand-held bar assembly.
2. in a kind of video display engineering according to claim 1 can anti-noise recording device, it is characterised in that: the storage
It is communicated in the inner wall of chamber (109) rear end equipped with thread groove (118), the recording driving body includes being slidably connected at the containing cavities
(109) the first sliding block (111) in, first sliding block (111) is interior to be equipped with the first drive cavity (128), first drive cavity
(128) it is rotatably mounted in bottom interior wall first rotating shaft (120), is fixedly connected with and is located at the top of the first rotating shaft (120)
First sliding block is stretched out in the first tooth runner (129) in first drive cavity (128), first rotating shaft (120) bottom
(111) bottom and it is fixedly connected with external screw thread disk (119) for being threadedly engaged with the thread groove (118), described
The first sliding groove (124) penetrated through with first drive cavity (128), first sliding groove (124) top are equipped in one sliding block (111)
Right end perforation in portion's is equipped with second sliding slot (138), and first sliding groove (124) the bottom left end perforation is equipped with third sliding slot (126), institute
It states and is slidably connected the second sliding block (125) in first sliding groove (124), the second sliding block (125) left and right end is equipped with contrary
Inclined-plane top splenium (137), be equipped with the second drive cavity (140) in second sliding block (125), second drive cavity (140)
Symmetrical second shaft (131) is installed to lower rotation, the second shaft (131) bottom is equipped with for described the
The second tooth runner (130) of one tooth runner (129) ratcheting connection, the second shaft (131) top are equipped with first bevel gear
(132), it is rotatably mounted third shaft (134) in second drive cavity (140), third shaft (134) the right end end
End is fixedly connected with motor (136) output end being embedded in the second drive cavity (140) right end inner wall, the third shaft
(134) it is equipped with for the second bevel gear (133) with the first bevel gear (132) ratcheting connection, the containing cavities (109)
It is fixedly connected with first for injecting in the third sliding slot (126) in bottom interior wall and abuts stripper plate (127), the storage
It is fixedly connected with second for injecting in the second sliding slot (138) at the top of chamber (109) and abuts stripper plate (101), described the
One sliding block (111) top center is fixedly connected phonographic recorder (104), and package institute is fixedly connected at the top of first sliding block (111)
State the noise isolating cover (110) of phonographic recorder (104).
3. in a kind of video display engineering according to claim 2 can anti-noise recording device, it is characterised in that: the storage
It is fixedly connected with first for controlling the motor (136) start and stop on chamber (109) bottom and abuts switch (112), the storage
It is fixedly connected at the top of chamber (109) and abuts switch (105) for controlling the motor (136) second.
4. in a kind of video display engineering according to claim 1 can anti-noise recording device, it is characterised in that: the sound insulation
Component includes the centrosymmetric rotation mouth (107) dug in the containing cavities (109) top port, the rotation mouth (107)
It is inside rotatably connected to soundproof plate (102), sound insulation band, the soundproof plate (102) is connected between the soundproof plate (102) side
Top encapsulation has windproof noise isolating sound cloth (103), and the soundproof plate (102) is fixedly connected on the inside of the containing cavities (109)
Poke rod (106), poke rod (106) end are hingedly connected with hinged ball (108), the poke rod (106) with described turn
It opens one's mouth and is fixedly connected with goring push spring (113) between (107).
5. in a kind of video display engineering according to claim 1 can anti-noise recording device, it is characterised in that: the leg branch
Support component includes digging accommodating groove (121) on the outside of the protective shell (100), in accommodating groove (121) bottom rotationally
The supporting leg (117) of more piece socket adjustable length is installed, the supporting leg (117) and the accommodating groove (121) rotation connect
It meets place and is equipped with driving motor.
6. in a kind of video display engineering according to claim 1 can anti-noise recording device, it is characterised in that: the protection
Electromagnetic wave shielding device (122) are equipped on the outside of shell (100).
7. in a kind of video display engineering according to claim 1 can anti-noise recording device, it is characterised in that: it is described hand-held
Bar assembly includes being fixedly connected on the electric telescopic rod (116) of the protective shell (100) bottom, the electric telescopic rod (116)
Bottom end is fixedly connected with handle (115), and the handle (115) is equipped with control switch (114), the control switch
(114) switch (112) and second is abutted with the motor (136), driving motor, first abuts switch (105) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442588.9A CN110139175B (en) | 2019-05-25 | 2019-05-25 | Recording device capable of preventing noise in film and television engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910442588.9A CN110139175B (en) | 2019-05-25 | 2019-05-25 | Recording device capable of preventing noise in film and television engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110139175A true CN110139175A (en) | 2019-08-16 |
| CN110139175B CN110139175B (en) | 2021-08-31 |
Family
ID=67581644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910442588.9A Active CN110139175B (en) | 2019-05-25 | 2019-05-25 | Recording device capable of preventing noise in film and television engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110139175B (en) |
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| US20050161561A1 (en) * | 2004-01-22 | 2005-07-28 | Wu-Hong Hsieh | Locking device for a telescopic tube assembly |
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| CN204859477U (en) * | 2015-07-28 | 2015-12-09 | 李玮玮 | News interview is with flexible microphone |
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