CN203340285U - Electronic hearing aid - Google Patents
Electronic hearing aid Download PDFInfo
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- CN203340285U CN203340285U CN2013203821186U CN201320382118U CN203340285U CN 203340285 U CN203340285 U CN 203340285U CN 2013203821186 U CN2013203821186 U CN 2013203821186U CN 201320382118 U CN201320382118 U CN 201320382118U CN 203340285 U CN203340285 U CN 203340285U
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- hearing aid
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Abstract
The utility model brings forward an electronic hearing aid comprising a microphone, a first capacitor, and a second capacitor. To be specific, a positive terminal of the microphone is connected to a first resistor and a negative terminal of the microphone is connected to a negative electrode of a power supply; the first resistor is connected an earphone jack that is connected to a positive electrode of the power supply. The first capacitor is connected to a common terminal of the microphone and the resistor; and a second terminal of the first capacitor is connected to a second resistor that is connected to a first terminal of an adjustable resistor; and a second terminal of the adjustable resistor is connected to an input terminal of a COMS amplifier; and an output terminal of the COMS amplifier is connected to a sliding terminal of the adjustable resistor by a third resistor. A first terminal of the second capacitor is connected to the output terminal of the COMS amplifier and a second terminal thereof is connected to a base electrode of a PNP transistor; a collector electrode of the PNP transistor is connected to the positive electrode of the power supply; and an emitter electrode of the PNP transistor is connected to the negative electrode of the power supply and is connected to the base electrode by a fourth resistor.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind of electronic hearing aid.
Background technology
Existing electronic hearing aid price is high, and volume is large, and power consumption, and the elderly's used time need to be opened switch ability hearing aid, very inconvenient.
The utility model content
The utility model proposes a kind of electronic hearing aid, solved existing electronic hearing aid price high, volume is large, and the problem of power consumption.
The technical solution of the utility model is achieved in that
A kind of electronic hearing aid comprises: microphone, and its positive terminal is connected to the first end of the first resistor, and its negative pole end is connected to the negative pole of power supply; The second end of described the first resistor is connected to the first end of receiver J-Horner, and the second end of earphone jack is connected to the positive pole of described power supply; The first capacitor, its first end is connected to the common port of described microphone and the first resistor, its the second end is connected to the first end of the second resistor, the second end of the second resistor is connected to the first end of adjustable resistor, the second end of adjustable resistor is connected to the input of COMS amplifier, the output of COMS amplifier is connected to the sliding end of described adjustable resistor by the 3rd resistor, wherein, the COMS amplifier comprises three not gates that are connected in series; The second capacitor, its first end is connected to the output of described COMS amplifier, its second end is connected to the transistorized base stage of PNP, the transistorized collector electrode of PNP is connected to the positive pole of described power supply, and the transistorized emitter of PNP is connected to the negative pole of described power supply and is connected to its base stage by the 4th resistor.
Alternatively, described power supply is the 3V power supply.
Alternatively, the dry cell that described power supply is the 1.5V that is connected in series of 2 joints.
The beneficial effects of the utility model are: the electronic hearing aid simplicity of design is reliable, easy to use, has dwindled machine volume.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The circuit diagram that Fig. 1 is a kind of electronic hearing aid of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of electronic hearing aid of the present utility model comprises: microphone 10, and its positive terminal is connected to the first end of the first resistor 21, and its negative pole end is connected to the negative pole of power supply 60; The second end of the first resistor 21 is connected to the first end of receiver J-Horner 50, and the second end of earphone jack 50 is connected to the positive pole of power supply 60; The first capacitor 31, its first end is connected to the common port of microphone 10 and the first resistor 21, its the second end is connected to the first end of the second resistor 22, the second end of the second resistor 22 is connected to the first end of adjustable resistor 25, the second end of adjustable resistor 25 is connected to the input of COMS amplifier, the output of COMS amplifier is connected to the sliding end of adjustable resistor 25 by the 3rd resistor 23, wherein, the COMS amplifier comprises three not gates that are connected in series 71, not gate 72 and not gate 73; The second capacitor 32, its first end is connected to the output of COMS amplifier, its the second end is connected to the base stage of PNP transistor 40, the collector electrode of PNP transistor 40 is connected to the positive pole of power supply 60, and the emitter of PNP transistor 40 is connected to the negative pole of power supply 60 and is connected to its base stage by the 4th resistor 24.
Electronic hearing aid of the present utility model adopts the 3V power supply as power supply, the dry cell of the 1.5V that for example can be connected in series for 2 joints.Transistor is connected into the emitter follower form, and cmos amplifier is amplified by the AC signal of the second capacitor-coupled output, promotes common headphones, and wherein, the 4th resistor is biasing resistor.Complete machine adopts earphone jack to double as mains switch, power connection when headset plug inserts, and when plug is extracted, power supply cuts off automatically, has simplified circuit structure, has dwindled machine volume.
Electronic hearing aid simplicity of design of the present utility model is reliable, easy to use, has dwindled machine volume.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
1. an electronic hearing aid, is characterized in that, comprising:
Microphone, its positive terminal is connected to the first end of the first resistor, and its negative pole end is connected to the negative pole of power supply; The second end of described the first resistor is connected to the first end of receiver J-Horner, and the second end of earphone jack is connected to the positive pole of described power supply;
The first capacitor, its first end is connected to the common port of described microphone and the first resistor, its the second end is connected to the first end of the second resistor, the second end of the second resistor is connected to the first end of adjustable resistor, the second end of adjustable resistor is connected to the input of COMS amplifier, the output of COMS amplifier is connected to the sliding end of described adjustable resistor by the 3rd resistor, wherein, the COMS amplifier comprises three not gates that are connected in series;
The second capacitor, its first end is connected to the output of described COMS amplifier, its second end is connected to the transistorized base stage of PNP, the transistorized collector electrode of PNP is connected to the positive pole of described power supply, and the transistorized emitter of PNP is connected to the negative pole of described power supply and is connected to its base stage by the 4th resistor.
2. electronic hearing aid as claimed in claim 1, is characterized in that, described power supply is the 3V power supply.
3. electronic hearing aid as claimed in claim 2, is characterized in that, the dry cell that described power supply is the 1.5V that is connected in series of 2 joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203821186U CN203340285U (en) | 2013-06-21 | 2013-06-21 | Electronic hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203821186U CN203340285U (en) | 2013-06-21 | 2013-06-21 | Electronic hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203340285U true CN203340285U (en) | 2013-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203821186U Expired - Fee Related CN203340285U (en) | 2013-06-21 | 2013-06-21 | Electronic hearing aid |
Country Status (1)
| Country | Link |
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| CN (1) | CN203340285U (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105407441A (en) * | 2015-12-25 | 2016-03-16 | 青岛北斗星云通信科技有限公司 | Hearing aid device |
| CN105472520A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid device |
| CN105472522A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Ear barrier hearing aid device |
| CN105472523A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
| CN105472521A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Ear barrier electronic auxiliary device |
| CN105472518A (en) * | 2015-12-25 | 2016-04-06 | 青岛海特新蓝生物科技有限公司 | Hearing aid device |
| CN105472519A (en) * | 2015-12-25 | 2016-04-06 | 青岛海特新蓝生物科技有限公司 | Hearing aid |
| CN105472517A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Hearing-aid device |
| CN105491501A (en) * | 2015-12-30 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Portable electronic hearing aid |
| CN105491500A (en) * | 2015-12-25 | 2016-04-13 | 青岛北斗星云通信科技有限公司 | Hearing impairment electronic auxiliary device |
| CN105491498A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Hearing assistance instrument |
| CN105491497A (en) * | 2015-12-25 | 2016-04-13 | 青岛北斗星云通信科技有限公司 | Hearing-aid instrument for hearing impairment |
| CN105491484A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Hearing assistance device |
| CN105491499A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Elderly hearing aid |
| CN105530583A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Hearing impairment auxiliary device |
| CN105530582A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Portable hearing aid |
| CN105530584A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Hearing impairment hearing aid device |
| CN105554671A (en) * | 2015-12-25 | 2016-05-04 | 青岛海特新蓝生物科技有限公司 | Hearing-aid |
| CN105554670A (en) * | 2015-12-25 | 2016-05-04 | 青岛讯达捷电子科技有限公司 | Hearing aid |
| CN105554668A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing impairment assist device |
| CN105554665A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing assist instrument |
| CN105554667A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Portable hearing aid |
| CN105554666A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing aid for old people |
| CN105554672A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid device for the old aged |
| CN105554669A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
| CN105578371A (en) * | 2015-12-25 | 2016-05-11 | 青岛北斗星云通信科技有限公司 | Hearing aid device for aged people |
| CN105635923A (en) * | 2015-12-25 | 2016-06-01 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
-
2013
- 2013-06-21 CN CN2013203821186U patent/CN203340285U/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554670A (en) * | 2015-12-25 | 2016-05-04 | 青岛讯达捷电子科技有限公司 | Hearing aid |
| CN105635923A (en) * | 2015-12-25 | 2016-06-01 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
| CN105578371A (en) * | 2015-12-25 | 2016-05-11 | 青岛北斗星云通信科技有限公司 | Hearing aid device for aged people |
| CN105472523A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
| CN105472521A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Ear barrier electronic auxiliary device |
| CN105472518A (en) * | 2015-12-25 | 2016-04-06 | 青岛海特新蓝生物科技有限公司 | Hearing aid device |
| CN105472519A (en) * | 2015-12-25 | 2016-04-06 | 青岛海特新蓝生物科技有限公司 | Hearing aid |
| CN105472517A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Hearing-aid device |
| CN105554669A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid |
| CN105491500A (en) * | 2015-12-25 | 2016-04-13 | 青岛北斗星云通信科技有限公司 | Hearing impairment electronic auxiliary device |
| CN105554672A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid device for the old aged |
| CN105491497A (en) * | 2015-12-25 | 2016-04-13 | 青岛北斗星云通信科技有限公司 | Hearing-aid instrument for hearing impairment |
| CN105472522A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Ear barrier hearing aid device |
| CN105472520A (en) * | 2015-12-25 | 2016-04-06 | 青岛北斗星云通信科技有限公司 | Electronic hearing aid device |
| CN105554667A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Portable hearing aid |
| CN105530582A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Portable hearing aid |
| CN105530584A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Hearing impairment hearing aid device |
| CN105554671A (en) * | 2015-12-25 | 2016-05-04 | 青岛海特新蓝生物科技有限公司 | Hearing-aid |
| CN105407441A (en) * | 2015-12-25 | 2016-03-16 | 青岛北斗星云通信科技有限公司 | Hearing aid device |
| CN105554668A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing impairment assist device |
| CN105554665A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing assist instrument |
| CN105530583A (en) * | 2015-12-25 | 2016-04-27 | 青岛北斗星云通信科技有限公司 | Hearing impairment auxiliary device |
| CN105554666A (en) * | 2015-12-25 | 2016-05-04 | 青岛北斗星云通信科技有限公司 | Hearing aid for old people |
| CN105491498A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Hearing assistance instrument |
| CN105491484A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Hearing assistance device |
| CN105491499A (en) * | 2015-12-28 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Elderly hearing aid |
| CN105491501A (en) * | 2015-12-30 | 2016-04-13 | 青岛玻莱莫斯新材料技术有限公司 | Portable electronic hearing aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140621 |
|
| EXPY | Termination of patent right or utility model |