CN208940024U - A kind of telephone handle - Google Patents
A kind of telephone handle Download PDFInfo
- Publication number
- CN208940024U CN208940024U CN201821801458.7U CN201821801458U CN208940024U CN 208940024 U CN208940024 U CN 208940024U CN 201821801458 U CN201821801458 U CN 201821801458U CN 208940024 U CN208940024 U CN 208940024U
- Authority
- CN
- China
- Prior art keywords
- microphone
- loudspeaker
- capacitor
- electrically connected
- connecting pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Telephone Set Structure (AREA)
Abstract
The utility model provides a kind of telephone handle, including shell, loudspeaker assembly and microphone assembly are equipped in the shell, the loudspeaker assembly is connected with lines of loudspeakers, the microphone assembly is connected with microphone route, and filter is equipped between the lines of loudspeakers and microphone route.With the above mentioned technical proposal, compared with prior art, the utility model has the advantages that: access after the host of base and handle specification adjust automatically host directly to be identified to adapt to telephone handle by host, do not need to carry out other operations, it is simple and easy, reduce the after cost of producer.Base host can adapt to the telephone handle of different size automatically, the management cost of manufacturer can be reduced, even if some models stop production, still there can be the handle of his model to provide client and be replaced, not need because after-sales service reason long-term production sales volume lacks old model.
Description
Technical field
The utility model relates to fields of communication technology.
Specifically, being to be related to a kind of telephone handle.
Background technique
As the development of Telephone set and performance are segmented, it is identical often to there is function, but the discrepant base of performance produces
Product, such as earpiece or sensitivity of microphone difference, frequency response difference, cause product category excessive, the low situation of production efficiency.
The host of usual Telephone set can set different working conditions to adapt to different handles.Base uses at present
There are mainly two types of the modes of different handles, first is that completing setting before factory, subsequent user can only use the phone of regulation model
Handle must then buy defined handle if handle damage needs replacing, and producer also must long run supply respective model；Second is that
The setting of handle model can be carried out by host service function panel or external interface, both methods operation is all complex,
It needs producer technical staff to operate, increases workload after sale, it will is highly difficult or cannot achieve.
It needs to identify before the working condition of the host of setting Telephone set, the specifications and models of confirmation handle, the prior art
Recognition effect is poor, low efficiency.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of telephone handle, convenient
It identifies specifications and models, handle specification adjust automatically host directly can be identified to adapt to telephone handle by host, not need to carry out
Others operation, it is simple and easy, reduce the after cost of producer.
The purpose of this utility model is reached by following technical measures:
A kind of telephone handle, including shell, the shell is interior to be equipped with loudspeaker assembly and microphone assembly, the loudspeaker
Component is connected with lines of loudspeakers, and the microphone assembly is connected with microphone route, the lines of loudspeakers and microphone lines
Filter is equipped between road.
As an improvement: the lines of loudspeakers includes loudspeaker anode line and loudspeaker cathode line.
As an improvement: the microphone route includes microphone anode line and microphone cathode line.
As an improvement: the filter include loudspeaker anode connection terminal, loudspeaker cathode connecting pin, microphone just
Pole connecting pin and microphone cathode connecting pin, the loudspeaker anode connection terminal is electrically connected with loudspeaker anode line, described to raise
Sound device cathode connecting pin is electrically connected with loudspeaker cathode line, and the microphone anode connection terminal is electrically connected with microphone anode line
It connects, microphone cathode connecting pin is electrically connected with microphone cathode line.
As an improvement: has been sequentially connected electrically between the loudspeaker anode connection terminal and microphone anode connection terminal
Two capacitors, first capacitor and 3rd resistor are electrically connected between loudspeaker cathode connecting pin and microphone cathode connecting pin
Third capacitor, side of second capacitor far from loudspeaker anode connection terminal and third capacitor are far from loudspeaker cathode connecting pin
First resistor is electrically connected between side, side of the first capacitor far from loudspeaker anode connection terminal and third capacitor are separate
Be electrically connected with second resistance between the side of loudspeaker cathode connecting pin, the 3rd resistor far from loudspeaker anode connection terminal one
Side and third capacitor are far from being electrically connected with the 4th capacitor between the side of loudspeaker cathode connecting pin.
As an improvement: second capacitor is 10nF, and the first capacitor is 10nF, and the 3rd resistor is
8.2K, the third capacitor are 10nF, and the first resistor is 1K, and the second resistance is 1K, and the 4th capacitor is 4.7
nF。
As an improvement: circuit board, the lines of loudspeakers and circuit board electrical connection are additionally provided in the shell, it is described
Microphone route and circuit board electrical connection.
As an improvement: socket, the socket and circuit board electrical connection are additionally provided in the shell.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that: access the master of base
Handle specification adjust automatically host is directly identified to adapt to telephone handle by host after machine, does not need to carry out other operations, letter
It is single easy, reduce the after cost of producer.Base host can adapt to the telephone handle of different size automatically, can reduce production
The management cost of producer still can have the handle of his model to provide client and be replaced, not need even if some models stop production
Because after-sales service reason long-term production sales volume lacks old model.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of telephone handle of the utility model.
Attached drawing 2 is the structural schematic diagram of circuit in a kind of telephone handle of the utility model.
Attached drawing 3 is the structural schematic diagram of filter in a kind of telephone handle of the utility model.
In figure: 1- shell；2- circuit board；3- socket；4- microphone assembly；5- loudspeaker assembly；6- filter；7- loudspeaking
Device anode line；8- loudspeaker cathode line；9- microphone anode line；10- microphone cathode line；11- loudspeaker anode
Connecting pin；12- loudspeaker cathode connecting pin；13- microphone anode connection terminal；14- microphone cathode connecting pin.
Specific embodiment
Embodiment: as shown in Fig. 1, a kind of telephone handle, including shell 1, the shell 1 include earpiece and microphone, institute
It states and is equipped with loudspeaker assembly 5 in earpiece, be equipped with microphone assembly 4 in the microphone.The loudspeaker assembly 5 is connected with loudspeaker
Route, the microphone assembly 4 are connected with microphone route.
Circuit board 2 is additionally provided in the shell 1, the lines of loudspeakers is electrically connected with circuit board 2, the microphone route
It is electrically connected with circuit board 2.
Specifically, the circuit board 2 is located at the side in microphone close to earpiece.
Socket 3 is additionally provided in the shell 1, the socket 3 is electrically connected with circuit board 2, and the socket 3 is located in microphone far
Side from earpiece.
As shown in attached drawing 2,3, filter 6 is equipped between the lines of loudspeakers and microphone route.
Specifically, the lines of loudspeakers includes loudspeaker anode line 7 and loudspeaker cathode line 8.The loudspeaker
Positive 7 one end of line is electrically connected with loudspeaker assembly 5, and 7 other end of loudspeaker anode line is electrically connected with circuit board 2；Institute
It states 8 one end of loudspeaker cathode line to be electrically connected with loudspeaker assembly 5,2 electricity of 7 other end of loudspeaker anode line and circuit board
Connection.
Specifically, the microphone route includes microphone anode line 9 and microphone cathode line 10.The microphone
Positive 9 one end of line is electrically connected with microphone assembly 4, and 9 other end of microphone anode line is electrically connected with circuit board 2；Institute
It states 10 one end of microphone cathode line to be electrically connected with microphone assembly 4,9 other end of microphone anode line and circuit board 2
Electrical connection.
The filter 6 includes loudspeaker anode connection terminal 11, loudspeaker cathode connecting pin 12, microphone anode connection terminal
13 and microphone cathode connecting pin 14.
The loudspeaker anode connection terminal 11 is electrically connected with loudspeaker anode line 7, loudspeaker cathode connecting pin 12
It is electrically connected with loudspeaker cathode line 8, the microphone anode connection terminal 13 is electrically connected with microphone anode line 9, the wheat
Gram wind cathode connecting pin 14 is electrically connected with microphone cathode line 10.
Be sequentially connected electrically between the loudspeaker anode connection terminal 11 and microphone anode connection terminal 13 second capacitor C2,
First capacitor C1 and 3rd resistor R3, is electrically connected between loudspeaker cathode connecting pin 12 and microphone cathode connecting pin 14
The third capacitor side of C3, the second capacitor C2 far from loudspeaker anode connection terminal 11 and third capacitor C3 are negative far from loudspeaker
Be electrically connected with first resistor R1 between 12 side of pole connecting pin, the first capacitor C1 far from loudspeaker anode connection terminal 11 one
Side and third capacitor C3 are far from being electrically connected with second resistance R2, the 3rd resistor R3 between 12 side of loudspeaker cathode connecting pin
Side and third capacitor C3 far from loudspeaker anode connection terminal 11 between 12 side of loudspeaker cathode connecting pin far from being electrically connected
There is the 4th capacitor C4.
The second capacitor C2 is 10nF, and the first capacitor C1 is 10nF, and the 3rd resistor R3 is 8.2K Ω, described
Third capacitor C3 is 10nF, and the first resistor R1 is 1K Ω, and the second resistance R2 is 1K Ω, and the 4th capacitor C4 is
4.7nF。
The filter circuit of the utility model forms a bandpass filter using the filter function of resistance capacitance, can incite somebody to action
Microphone route is passed to after the signal decaying 28dB of the centre frequency 48kHz of horn wire road.
The effect of the filter of the utility model is that the high-frequency signal that can't hear the human ear of horn wire road is transmitted to wheat
On gram wind route, the audio signal that human ear can be heard then is not transferred to microphone lines road, and the signal of microphone is not
It can be transmitted to horn wire road, do not influence the normal work of microphone and loudspeaker.
Other modes realization can be used in filter, is not limited to using foregoing circuit, device also can choose inductance, transformation
Device etc. other have the function of isolation it is similar to realize with the device of filter function.Such as high Q is realized using inductance and capacitor
The bandpass filter of value carrys out the modes such as coupled signal using transformer.
The circuit of the filter can be fabricated to a PCB and be mounted on inside telephone handle, can also be with horn assembly
Either microphone assembly or socket are assembled together, and realize relevant function.
After accessing main station using the utility model, main station applies one in lines of loudspeakers and exceeds audio
High-frequency signal, while signal of the detection from microphone can then be examined if it is the utility model is used in microphone route
High-frequency signal is measured, if it is common telephone handle, then the signal only in noise and audio range, without high-frequency signal.
For the telephone handle of different size, different filter transfer characteristics can be designed, main station is in loudspeaker
Apply identical signal on route, the telephone handle for connecting different size will detect different letters from microphone lines road
Number.Such as: the signal of the different frequencies such as 20kHz, 40kHz, 60kHz of application -10dBv amplitude, phone on speaker wire road
Which frequency point the maximum signal of host analysis is, the amplitude of signal have it is much, to confirm that telephone handle used at present is
What specification.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of telephone handle, including shell (1), it is characterised in that: be equipped with loudspeaker assembly (5) and wheat in the shell (1)
Gram wind component (4), the loudspeaker assembly (5) are connected with lines of loudspeakers, and the microphone assembly (4) is connected with microphone lines
Road is equipped with filter (6) between the lines of loudspeakers and microphone route.
2. telephone handle according to claim 1, it is characterised in that: the lines of loudspeakers includes loudspeaker anode line
(7) and loudspeaker cathode line (8).
3. telephone handle according to claim 2, it is characterised in that: the microphone route includes microphone anode line
(9) and microphone cathode line (10).
4. telephone handle according to claim 3, it is characterised in that: the filter (6) includes the connection of loudspeaker anode
(11), loudspeaker cathode connecting pin (12), microphone anode connection terminal (13) and microphone cathode connecting pin (14) are held, it is described to raise
Sound device anode connection terminal (11) is electrically connected with loudspeaker anode line (7), loudspeaker cathode connecting pin (12) and loudspeaker
Cathode line (8) electrical connection, the microphone anode connection terminal (13) are electrically connected with microphone anode line (9), the Mike
Wind cathode connecting pin (14) is electrically connected with microphone cathode line (10).
5. telephone handle according to claim 4, it is characterised in that: the loudspeaker anode connection terminal (11) and microphone
The second capacitor C2, first capacitor C1 and 3rd resistor R3 are sequentially connected electrically between anode connection terminal (13), the loudspeaker is negative
Third capacitor C3 is electrically connected between pole connecting pin (12) and microphone cathode connecting pin (14), the second capacitor C2 is separate to be raised
The side of sound device anode connection terminal (11) and third capacitor C3 between loudspeaker cathode connecting pin (12) side far from being electrically connected with
The first resistor side of R1, the first capacitor C1 far from loudspeaker anode connection terminal (11) and third capacitor C3 are far from loudspeaker
Second resistance R2 is electrically connected between cathode connecting pin (12) side, the 3rd resistor R3 is far from loudspeaker anode connection terminal
(11) side and third capacitor C3 are far from being electrically connected with the 4th capacitor C4 between loudspeaker cathode connecting pin (12) side.
6. telephone handle according to claim 5, it is characterised in that: the second capacitor C2 is 10nF, first electricity
Appearance C1 is 10nF, and the 3rd resistor R3 is 8.2K, and the third capacitor C3 is 10nF, and the first resistor R1 is 1K, described
Second resistance R2 is 1K, and the 4th capacitor C4 is 4.7 nF.
7. according to claim 1 to 6 one of them described telephone handle, it is characterised in that: be additionally provided with electricity in the shell (1)
Road plate (2), the lines of loudspeakers are electrically connected with circuit board (2), and the microphone route is electrically connected with circuit board (2).
8. telephone handle according to claim 7, it is characterised in that: it is additionally provided with socket (3) in the shell (1), it is described
Socket (3) is electrically connected with circuit board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801458.7U CN208940024U (en) | 2018-11-02 | 2018-11-02 | A kind of telephone handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801458.7U CN208940024U (en) | 2018-11-02 | 2018-11-02 | A kind of telephone handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208940024U true CN208940024U (en) | 2019-06-04 |
Family
ID=66726922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821801458.7U Active CN208940024U (en) | 2018-11-02 | 2018-11-02 | A kind of telephone handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208940024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949762A (en) * | 2020-07-16 | 2022-01-18 | 李旭明 | Talking handle |
-
2018
- 2018-11-02 CN CN201821801458.7U patent/CN208940024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949762A (en) * | 2020-07-16 | 2022-01-18 | 李旭明 | Talking handle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208971765U (en) | A kind of TWS earphone charging box and TWS earphone | |
| CN103260105A (en) | Method and device for supplying power for ANC earphone by utilization of power source of electronic equipment | |
| CN203909716U (en) | Novel mind headset | |
| CN105120390B (en) | Headphone socket, headphone plug and electronic device | |
| CN208940024U (en) | A kind of telephone handle | |
| CN205647934U (en) | Multi -functional external sound card | |
| CN206164799U (en) | Visible light communication's pronunciation broadcast system, earphone and audio player | |
| CN104113804A (en) | Loudspeaker system and driving method thereof | |
| CN204101170U (en) | Hummer testing circuit | |
| CN202750221U (en) | External audio broadcasting device | |
| CN211604687U (en) | Tea table type household electrical appliance control equipment based on far field voice | |
| CN204964017U (en) | Infrared optical detector | |
| CN209390369U (en) | A kind of microphone and electronic equipment with echo sound-attenuating system | |
| CN206993381U (en) | A kind of Bluetooth audio device with NFC function | |
| CN206237564U (en) | A kind of microphone for news interview of carrier state self-checking function | |
| CN206313976U (en) | Compatible apple and Android system and windows phone system automatic-switching type voicefrequency circuits | |
| CN207802238U (en) | A kind of charger Baffle Box of Bluetooth | |
| CN202759588U (en) | Pair piezoelectric bone conduction microphone | |
| CN208445739U (en) | A kind of intelligent sound speaker | |
| CN205160733U (en) | Microphone connecting wire and microphone | |
| CN203251413U (en) | Electronic apparatus capable of supplying power for automatic noise cancellation (ANC) earphone | |
| CN215871821U (en) | Multifunctional wireless microphone based on NFC pairing | |
| CN218183505U (en) | Active sound box | |
| CN203057507U (en) | A-weighted microphone device for double-audio-frequency phone | |
| CN210431885U (en) | Control circuit for Bluetooth hearing aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |