CN208675223U - A kind of wear-type intercom with noise control - Google Patents
A kind of wear-type intercom with noise control Download PDFInfo
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- CN208675223U CN208675223U CN201821550352.4U CN201821550352U CN208675223U CN 208675223 U CN208675223 U CN 208675223U CN 201821550352 U CN201821550352 U CN 201821550352U CN 208675223 U CN208675223 U CN 208675223U
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- wear
- power supply
- shroud body
- control
- intercom
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000003750 conditioning effect Effects 0.000 claims description 22
- 238000013016 damping Methods 0.000 claims description 14
- 230000004308 accommodation Effects 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of wear-type intercom with noise control, including one first ear shell unit, one second ear shell unit and an arc locating piece, first ear shell unit includes one first earmuff shell and power supply mould group, second ear shell unit includes one second earmuff shell, control and communication module group and interphone antenna, control and communication module group are electrically connected in power supply mould group by a connecting wire, connecting wire is installed in the arc locating piece, and one end, which penetrates in the first ear shell unit, to be connected in power supply mould group, the other end, which penetrates in the second ear shell unit, to be connected in control and communication module group.The utility model can not only guarantee wear-type intercom or so balanced weight, improve wearing comfort degree, and power supply mould group will not generate signal interference to the circuit operation of control and communication module group in operation, noise is generated when intercom work so as to be effectively prevented, so that signal reception is more clear accurately, to substantially reduce damage of this product to user's sense of hearing.
Description
Technical field
The utility model relates to a kind of intercoms, refer in particular to a kind of wear-type intercom with noise control.
Background technique
Intercom is mainly used in the industries such as public security, civil aviaton, transport, water conservancy, railway, manufacture, building, service, for group
Contact and command scheduling between body member, to improve communication efficiency and improve the quick-reaction capability of processing emergency event.With
Intercom enters commercial market, and people's out on tours, shopping also start to use intercom more and more.Intercom is not by network
Limitation, in the not yet covered with networks place arrived, intercom can allow user easily to link up；Intercom offer is one-to-one, one-to-many
Talking mode, once by saying, easy to operate, order communication is freer, especially intervention schedule and the case where collective's cooperative work
Under, since intercom has the above advantages, so the today even popularized in mobile phone, intercom still occupy one on the market
The ground of seat.
In order to improve the convenience of operation, there is wear-type intercoms on the market at present.Chinese utility model patent (Shen
Please number: 200320105340.8) disclose a kind of head intercom for electrician, mutually fitted by ribbon system and the head configuration of people
Netted cap, on netted cap be equipped with intercom, human ear position be equipped with intercom earphone, people mouth lower portion equipped with words
Cylinder.Although the above head intercom for electrician does not have to start to can talk yet, brought convenience to construction personnel, however actual
There is also following shortcomings in use process: intercom is directly arranged in the side of netted cap, not only part is laid particular stress on, but also
Intercom receiving and transmitting signal is easy to be influenced by power supply power supply, and there are signal interferences, easily causes biggish noise, often to length
The user that phase wears causes body to damage.
Utility model content
The utility model provides a kind of wear-type intercom with noise control, and main purpose is to overcome existing head
Wear that noise existing for formula intercom for electrician is big and the defect of jitter.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of wear-type intercom with noise control, including one first ear shell unit, one second ear shell unit and
The arc locating piece that one both ends are mutually fixed with the first ear shell unit and the second ear shell unit respectively, first ear shell unit include
One first earmuff shell and it is placed in the intracorporal power supply mould group of the first earmuff shell, second ear shell unit includes one second
Earmuff shell is placed in the intracorporal control of the second earmuff shell and communication module group and is installed on the second earmuff hull outside
Interphone antenna, the control and communication module group are electrically connected in the power supply mould group by a connecting wire, and the connection is led
Line is installed in the arc locating piece, and one end is penetrated in the first ear shell unit and is connected in power supply mould group, the other end
It penetrates in the second ear shell unit and is connected in control and communication module group.
Further, the first earmuff shell includes one first protection cushion, one first shroud body and a battery
Rear cover, the power supply mould group include a battery and a power supply circuit board, first shroud body be built-in with accommodation groove with
And the power supply circuit board, the battery are placed on the accommodation groove and are electrically connected with the power supply circuit board, described first
Shroud body side is detachably connected with first protection cushion, and the other side is detachably connected with the cell rear cover.
Further, the second earmuff shell includes one second protection cushion, a circuit supporting cover board and one second
Shroud body, the control and communication module group include being built in a receiver-transmitter integrated module in the second shroud body, an intercom
Aerial head and a control unit, the circuit supporting cover plate lid are set to the opening of the second shroud body, the fixed peace in one side
Equipped with the receiver-transmitter integrated module, interphone antenna head and control unit, the other side is detachably connected with second protection
Cushion.
Further, first shroud body is provided with a plurality of first at the position connecting with the first protection cushion
Fastener, corresponding position is provided with a plurality of compatible with first fastener second and engages on first protection cushion
Part.
Further, the circuit supporting cover board is provided with a plurality of thirds at the position connecting with the second protection cushion
Fastener, corresponding position is provided on second protection cushion a plurality of engages with the third fastener the compatible 4th
Part.
Further, second shroud body is provided with one the 2nd PTT key, the output end of the 2nd PTT key with
The enable end of described control unit is electrically connected, and first shroud body is provided with one the oneth PTT key, the first PTT key
Output end be electrically connected with the enable end of described control unit by a conducting wire being installed in arc locating piece.
Further, first shroud body is equipped with a pair of first card column, second housing on its front-rear direction
Ontology is provided with a pair of second card column on its front-rear direction, corresponds in every first card column and is rotatably mounted with one first rotation
Column, corresponding in every second card column to be rotatably mounted with one second column spinner, the arc locating piece includes an arc return bullet
Piece, the first convex shape conditioning box for being set to the arc return elastic slice two sides and the second convex shape conditioning box and the first earphone
Spring damping and the second earphone spring damping, the first convex shape conditioning box side can by the first earphone spring damping
Telescopically it is connected to the first side of arc return elastic slice, two corner locations point of the other side of the first convex shape conditioning box
It is not fixedly connected on two first column spinners, the second convex shape conditioning box side can by the second earphone spring damping
Telescopically it is connected to second side of arc return elastic slice, two corner locations point of the other side of the second convex shape conditioning box
It is not fixedly connected on two second column spinners.
It further, further include a microphone device, which is electrically connected with the control unit, first rotation
The upper end of column is connected to the first convex shape conditioning box, and middle part is provided with the crescent moon card division for being clamped first card column,
Bottom is equipped with one can axially carry out the first goods of furniture for display rather than for use of 360 degree rotation along it, the microphone device be rotatably installed on this
On one goods of furniture for display rather than for use.
Further, when the axial direction for defining first column spinner is vertical direction, first goods of furniture for display rather than for use one end is along vertical
360 degree rotation is carried out on direction, the microphone device is connected to 360 degree rotation including one with one end described in the horizontal direction
Second goods of furniture for display rather than for use of the first goods of furniture for display rather than for use other end, one vertically can be connected to 360 degree rotation the second goods of furniture for display rather than for use other end
It microphone bar and is obliquely installed in the receiver of the microphone bar end.
Further, a pilot hole is offered in second shroud body, the interphone antenna head has including one
The Cylindrical joint of thread segment, the stop nut being combined on the thread segment and the annular abutment being set to below thread segment,
The Cylindrical joint is by reaching second housing after sequentially passing through stop nut and pilot hole in second shroud body
The outside of ontology, the lower end of the interphone antenna are combined on the screw thread being located at outside the second shroud body in the Cylindrical joint
Duan Shang.
Compared to the prior art, the beneficial effect that the utility model generates is:
1, the utility model structure is simple, practical, by being arranged the power supply mould group of intercom and control and communication
The progress of mould group is separately positioned, can not only guarantee wear-type intercom or so balanced weight, improves wearing comfort degree, and independent
The power supply mould group of setting will not generate signal interference to the circuit operation of control and communication module group in operation, so as to effective
Noise is generated when ground prevents intercom from working so that signal reception be more clear it is accurate, to substantially reduce this product to using
The damage of person's sense of hearing.
2, in the present invention, can directly be carried out by clamping structure can for the first protection cushion and the first shroud body
Dismantling connection not only can be user-friendly for dismounting and change or cleaning, and to repair complete machine and carry out tearing machine open
It is more convenient.
3, a PTT key, user in the present invention, are each provided in the second shroud body and the first shroud body
Both it can be operated, can also be operated by the PTT key on right side by the PTT key in left side, thus greatly place
Just the utility model is applied in needing one-handed performance occasion.
4, in the present invention, by the mating reaction of earphone spring damping and convex shape conditioning box, user can be with
The left and right width for freely adjusting wear-type intercom enables to the people of various head dummy sizes that can easily dress, and not
It can self-return.
5, in the present invention, by being designed to microphone device to carry out 360 degree rotation respectively three positions,
User's microphone device can be facilitated in this way to manipulate, when enabling to the user receiver is adjusted to its use the most
Comfortable position.
6, in the present invention, interphone antenna head is built in inside the second shroud body, with traditional intercommunication
Machine antenna part is different, traditional interphone antenna partially due to aerial head in interphone antenna is integrally connected, thus its
For intercom be it is external, and the utility model will can make built in interphone antenna head interphone antenna head without
Method is dismantled from outside, thus, no matter how severe use environment is, can not adversely affect to it.
Detailed description of the invention
Fig. 1 is the main view of the utility model, and wherein arc locating piece is not shown.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the rearview of Fig. 1.
Fig. 4 is the perspective view of the explosion of Fig. 1.
Fig. 5 is the enlarged diagram in Fig. 4 at A.
Fig. 6 is the enlarged diagram in Fig. 4 at B.
The structural schematic diagram of microphone device in the utility model of the position Fig. 7.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
- Fig. 7 referring to Fig.1.A kind of wear-type intercom with noise control, including one first ear shell unit 1, one second
The arc locating piece and a words that ear shell unit 2, a both ends are fixed with the first ear shell unit 1 and 2 phase of the second ear shell unit respectively
Wound packages sets 3, and first ear shell unit 1 includes one first earmuff shell 10 and the electricity being placed in the first earmuff shell 10
Source mould group 11, second ear shell unit 2 include one second earmuff shell 20, the control being placed in the second earmuff shell 20
And communication module group 21 and the interphone antenna 22 for being installed on 20 outside of the second earmuff shell, the control and communication module group 21
It being electrically connected in the power supply mould group 11 by a connecting wire 4, the connecting wire 4 is installed in the arc locating piece,
And one end, which penetrates in the first ear shell unit 1, to be connected in power supply mould group 11, and the other end penetrates connection in the second ear shell unit 2
In in control and communication module group 21.
- Fig. 7 referring to Fig.1.The first earmuff shell 10 includes one first protection cushion 101, one first shroud body 102
And a cell rear cover 103, the power supply mould group 11 include a battery 104 and a power supply circuit board 105, first cover
Shell ontology 102 is built-in with accommodation groove and the power supply circuit board 105, the battery 104 be placed on the accommodation groove and with
The power supply circuit board 105 is electrically connected, and 102 side of the first shroud body is detachably connected with first protection cushion
101, the other side is detachably connected with the cell rear cover 103.The second earmuff shell 20 includes one second protection cushion
200, a circuit supporting cover board 201 and one second shroud body 202, the control and communication module group 21 include being built in the
A receiver-transmitter integrated module 210, an intercom aerial head 211 and a control unit 212, the circuit in two shroud bodies 202
Support cover board 201 is covered on the opening of the second shroud body 202, one side be fixedly installed with the receiver-transmitter integrated module 210,
Interphone antenna head 211 and control unit 212, the other side are detachably connected with second protection cushion 200.
- Fig. 7 referring to Fig.1.First shroud body 102 is provided at the position connecting with the first protection cushion 101
A plurality of first fasteners, corresponding position is provided with a plurality of with the first fastener phase on first protection cushion 101
Second fastener of adaptation.The circuit supporting cover board 201 is provided with plural number at the position connecting with the second protection cushion 200
A third fastener 2010, corresponding position is provided with a plurality of with the third fastener on second protection cushion 200
2010 compatible 4th fasteners.
- Fig. 7 referring to Fig.1.Second shroud body 202 is provided with one the 2nd PTT key 208, the 2nd PTT key
208 output end is electrically connected with the enable end of described control unit 212, and first shroud body 102 is provided with one the oneth PTT
Key 108, the output end of the first PTT key 108 are installed in conducting wire and described control unit in arc locating piece by one
212 enable end electrical connection.First shroud body 102 is equipped with a pair of first card column 107 on its front-rear direction, and described the
Two shroud bodies 202 are provided with a pair of second card column 207 on its front-rear direction, correspond to rotationally in every first card column 107
One first column spinner 109 is installed, correspondence is rotatably mounted with one second column spinner 209, the arc in every second card column 207
Shape locating piece includes an arc return elastic slice, is set to the first convex shape conditioning box of the arc return elastic slice two sides (in figure not
Draw) and the second convex shape conditioning box (being not drawn into figure) and the first earphone spring damping (being not drawn into figure) and the second ear
Machine spring damping (is not drawn into) in figure, and the first convex shape conditioning box (is not drawn into) side and passes through the first earphone bullet in figure
Spring damping (being not drawn into figure) is telescopically connected to the first side of arc return elastic slice, the first convex shape conditioning box (figure
In be not drawn into) two corner locations of the other side be respectively fixedly connected on two first column spinners 109, second convex shape
Conditioning box (is not drawn into) side and is telescopically connected to arc by the second earphone spring damping (being not drawn into figure) in figure
Second side of return elastic slice, two corner locations of the other side of the second convex shape conditioning box (being not drawn into figure) are solid respectively
Surely it is connected on two second column spinners 209.
- Fig. 7 referring to Fig.1.The microphone device 3 is electrically connected with described control unit 212, first column spinner 209
Upper end is connected to the first convex shape conditioning box (being not drawn into figure), and middle part is provided with for being clamped first card column 107
Crescent moon card division 31, bottom be equipped with one can along its axially carry out 360 degree rotation the first goods of furniture for display rather than for use 32, the microphone device 3 can
It is rotatably mounted on first goods of furniture for display rather than for use 32.When the axial direction for defining first column spinner 109 is vertical direction, described first is put
32 one end of part is vertically upper to carry out 360 degree rotation, and the microphone device 3 includes one with 360 degree in the horizontal direction of one end
The second goods of furniture for display rather than for use 33, one for being rotatingly connected to 32 other end of the first goods of furniture for display rather than for use vertically can be connected to 360 degree rotation
It cylinder bar 34 and is obliquely installed in the receiver 35 of 34 end of microphone bar if second goods of furniture for display rather than for use, 33 other end.
- Fig. 7 referring to Fig.1.A pilot hole 2020, the interphone antenna head are offered in second shroud body 202
211 include a Cylindrical joint 2111 with thread segment 2110, the stop nut 2112 that is combined on the thread segment 2110 and
It is set to the annular abutment 2113 of 2110 lower section of thread segment, the Cylindrical joint 2111 is by second shroud body 202
Sequentially pass through the outside that second shroud body 202 is reached after stop nut 2112 and pilot hole 2020, the intercom
The lower end of antenna 22, which is combined in the Cylindrical joint 2111, to be located on the thread segment 2110 outside the second shroud body 202.
Compared to the prior art, the beneficial effect that the utility model generates is:
1, the utility model structure is simple, practical, by the power supply mould group 11 of intercom and control and is led to by setting
News mould group 21 carries out separately positioned, can not only guarantee wear-type intercom or so balanced weight, improve wearing comfort degree, and
The power supply mould group 11 being independently arranged will not generate signal interference to the circuit operation of control and communication module group 21 in operation, thus
Noise is generated when can be effectively prevented intercom work, so that signal reception is more clear accurately, to substantially reduce this production
Damage of the product to user's sense of hearing.
2, in the present invention, the first protection cushion 101 and the first shroud body 102 can directly pass through clamping structure
Be detachably connected, dismounting and change or cleaning not only can be user-friendly for, and to repair complete machine into
It is more convenient that row tears machine open.
3, it in the present invention, is each provided with a PTT key in the second shroud body 202 and the first shroud body 102,
User can both be operated by the PTT key in left side, can also be operated by the PTT key on right side, thus pole
The earth facilitates the utility model to be applied in needing one-handed performance occasion.
4, it in the present invention, (is not drawn in figure by earphone spring damping (being not drawn into figure) and convex shape conditioning box
Mating reaction out), user can freely adjust the left and right width of wear-type intercom, enable to various head dummy sizes
People can easily dress, and will not self-return.
5, in the present invention, by being designed to microphone device 3 to carry out 360 degree of rotations respectively three positions
Turn, user's microphone device 3 can be facilitated in this way and manipulated, enable to user that receiver 35 is adjusted to its use
When the most comfortable position.
6, in the present invention, interphone antenna head 211 is built in 202 inside of the second shroud body, with biography
22 part of interphone antenna of uniting is different, and traditional interphone antenna 22 is partially due to aerial head in interphone antenna 22 is one
Connection, thus it is external for intercom, and the utility model will can make built in interphone antenna head 211
Interphone antenna head 211 can not be dismantled from outside, thus, no matter how severe use environment is, and it is unfavorable to cause to it
It influences.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (10)
1. a kind of wear-type intercom with noise control, it is characterised in that: including one first ear shell unit, one second earmuff
The arc locating piece that unit and a both ends are mutually fixed with the first ear shell unit and the second ear shell unit respectively, first earmuff
Unit is including one first earmuff shell and is placed in the intracorporal power supply mould group of the first earmuff shell, the second ear shell unit packet
One second earmuff shell is included, the intracorporal control of the second earmuff shell and communication module group is placed in and is installed on the second earmuff shell
The interphone antenna of external side, the control and communication module group are electrically connected in the power supply mould group by a connecting wire, institute
It states connecting wire to be installed in the arc locating piece, and one end penetrates in the first ear shell unit and is connected to power supply mould group
On, the other end, which penetrates in the second ear shell unit, to be connected in control and communication module group.
2. a kind of wear-type intercom with noise control as described in claim 1, it is characterised in that: the first earmuff shell
Body include one first protection cushion, one first shroud body and a cell rear cover, the power supply mould group include a battery with
And a power supply circuit board, first shroud body are built-in with accommodation groove and the power supply circuit board, the battery placement
It is electrically connected on the accommodation groove and with the power supply circuit board, first shroud body side is detachably connected with described
One protection cushion, the other side are detachably connected with the cell rear cover.
3. a kind of wear-type intercom with noise control as claimed in claim 2, it is characterised in that: the second earmuff shell
Body includes one second protection cushion, a circuit supporting cover board and one second shroud body, and the control and communication module group include
It is built in a receiver-transmitter integrated module in the second shroud body, an intercom aerial head and a control unit, the circuit branch
The opening that cover plate lid is set to the second shroud body is supportted, one side is fixedly installed with the receiver-transmitter integrated module, interphone antenna
Head and control unit, the other side are detachably connected with second protection cushion.
4. a kind of wear-type intercom with noise control as claimed in claim 2, it is characterised in that: the first housing sheet
Body is provided with a plurality of first fasteners at the position connecting with the first protection cushion, corresponds to position on first protection cushion
The place of setting is provided with a plurality of the second fasteners compatible with first fastener.
5. a kind of wear-type intercom with noise control as claimed in claim 3, it is characterised in that: the circuit supporting lid
Plate is provided with a plurality of third fasteners at the position connecting with the second protection cushion, corresponds to position on second protection cushion
The place of setting is provided with a plurality of the 4th fasteners compatible with the third fastener.
6. a kind of wear-type intercom with noise control as claimed in claim 3, it is characterised in that: the second housing sheet
Body is provided with one the 2nd PTT key, and the output end of the 2nd PTT key is electrically connected with the enable end of described control unit, described
First shroud body is provided with one the oneth PTT key, and the output end of the first PTT key is installed in arc locating piece by one
Conducting wire be electrically connected with the enable end of described control unit.
7. a kind of wear-type intercom with noise control as claimed in claim 3, it is characterised in that: the first housing sheet
Body is equipped with a pair of first card column on its front-rear direction, and second shroud body is provided with a pair second on its front-rear direction
Card column, corresponding in every first card column to be rotatably mounted with one first column spinner, correspondence is rotatably mounted in every second card column
There is one second column spinner, the arc locating piece includes an arc return elastic slice, is set to the of the arc return elastic slice two sides
One convex shape conditioning box and the second convex shape conditioning box and the first earphone spring damping and the second earphone spring damping, it is described
First convex shape conditioning box side is telescopically connected to the first of arc return elastic slice by the first earphone spring damping
Side, two corner locations of the other side of the first convex shape conditioning box are respectively fixedly connected on two first column spinners, institute
It states the second convex shape conditioning box side and is telescopically connected to the of arc return elastic slice by the second earphone spring damping
Two corner locations of two sides, the other side of the second convex shape conditioning box are respectively fixedly connected on two second column spinners.
8. a kind of wear-type intercom with noise control as claimed in claim 7, it is characterised in that: further include microphone dress
It sets, which is electrically connected with the control unit, and the upper end of first column spinner is connected to the first convex shape tune
Frame is saved, middle part is provided with the crescent moon card division for being clamped first card column, and bottom, which is equipped with one, axially to carry out 360 degree along it
First goods of furniture for display rather than for use of rotation, the microphone device are rotatably installed on first goods of furniture for display rather than for use.
9. a kind of wear-type intercom with noise control as claimed in claim 8, it is characterised in that: when definition described first
The axial direction of column spinner is vertical direction, and first goods of furniture for display rather than for use one end is vertically upper to carry out 360 degree rotation, the microphone device
Be connected to 360 degree rotation with one end the second goods of furniture for display rather than for use of the first goods of furniture for display rather than for use other end in the horizontal direction including one, one can edge
It is connected to vertical direction 360 degree rotation cylinder bar if the second goods of furniture for display rather than for use other end and is obliquely installed in the microphone bar end
Receiver.
10. a kind of wear-type intercom with noise control as claimed in claim 3, it is characterised in that: second housing
Offer a pilot hole on ontology, the interphone antenna head includes a Cylindrical joint with thread segment, is combined on the screw thread
Stop nut in section and the annular abutment being set to below thread segment, the Cylindrical joint is by second shroud body
Inside sequentially pass through the outside that second shroud body is reached after stop nut and pilot hole, the lower end of the interphone antenna
It is combined in the Cylindrical joint and is located on the thread segment outside the second shroud body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550352.4U CN208675223U (en) | 2018-09-21 | 2018-09-21 | A kind of wear-type intercom with noise control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821550352.4U CN208675223U (en) | 2018-09-21 | 2018-09-21 | A kind of wear-type intercom with noise control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208675223U true CN208675223U (en) | 2019-03-29 |
Family
ID=65843408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821550352.4U Withdrawn - After Issue CN208675223U (en) | 2018-09-21 | 2018-09-21 | A kind of wear-type intercom with noise control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208675223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245792A (en) * | 2018-09-21 | 2019-01-18 | 泉州市旗航数字通讯研究院有限公司 | A kind of wear-type intercom with noise control |
-
2018
- 2018-09-21 CN CN201821550352.4U patent/CN208675223U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245792A (en) * | 2018-09-21 | 2019-01-18 | 泉州市旗航数字通讯研究院有限公司 | A kind of wear-type intercom with noise control |
| CN109245792B (en) * | 2018-09-21 | 2024-02-27 | 泉州市旗航数字通讯研究院有限公司 | Wear-type intercom with noise control efficiency |
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