CN104534822A - Maintaining device for hearing aid - Google Patents
Maintaining device for hearing aid Download PDFInfo
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- CN104534822A CN104534822A CN201410846337.4A CN201410846337A CN104534822A CN 104534822 A CN104534822 A CN 104534822A CN 201410846337 A CN201410846337 A CN 201410846337A CN 104534822 A CN104534822 A CN 104534822A
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- audiphone
- circuit
- care device
- drying chamber
- hearing aid
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Abstract
The invention relates to a maintaining device for a hearing aid. The maintaining device comprises a base and a shell connected with the base. A vacuum pump is installed on the base and comprises an air inlet and an air outlet, a drying tank is arranged on the shell and connected with the air inlet, and a heating element is arranged on the drying tank and connected with a control circuit. Under the dual effects of vacuum dehumidification and constant temperature heating, water on the surface and the deep layer of the hearing aid can be acutely vaporized and escapes, the drying and dehumidification effects are achieved quickly and completely, the service life of the hearing aid is prolonged, the maintaining device is convenient and quick to use, capable of saving time and labor and low in cost, water vapor can be exhausted and the hearing aid can be prevented from being scratched through a partition plate and vent holes, the hearing aid is protected, the drying tank is prevented from running outside through a hoop, and the maintaining device further has the advantages of being low in noise, light in weight, small in size and convenient to carry.
Description
Technical field
The present invention relates to a kind of audiphone care device.
Background technology
Audiphone is the electronic product that a kind of precision is valuable, instructions for use is stricter, but daily wear in use procedure be very easily subject to sweat and moisture ooze erosion, cause the damage of the critical pieces such as microphone, receiver, chip, therefore audiphone after using a period of time needs audiphone to take off to dehumidify, to guarantee sensitivity and the service life of audiphone.The existing dehumidification mode to audiphone is placed on by audiphone in the container of built-in drier, and the fine debris of this drier can enter in audiphone and cause it to block, and affects the normal use of audiphone.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of structure simple audiphone care device.
For achieving the above object, the technical solution used in the present invention is: a kind of audiphone care device, the housing comprise base, being connected with described base, described base is provided with vavuum pump, described vavuum pump comprises air inlet and gas outlet, and described housing is provided with drying chamber, and described drying chamber is connected with described air inlet, described drying chamber is provided with heater element, and described heater element is connected with control circuit.
In a preferred embodiment of the present invention, audiphone care device comprises further in described drying chamber and is provided with dividing plate, and described dividing plate has multiple air-vent.
In a preferred embodiment of the present invention, audiphone care device comprises further on described drying chamber and is arranged with anchor ear, and the upper end of described anchor ear abuts with described housing.
In a preferred embodiment of the present invention, audiphone care device comprises further on described housing and is provided with relief valve, and described relief valve is connected with described air inlet.
In a preferred embodiment of the present invention, audiphone comprises described control circuit further with care device and comprises power circuit, the governor circuit be connected with described power circuit and magnetic valve, and described air inlet, drying chamber are all connected with described magnetic valve.
In a preferred embodiment of the present invention, audiphone care device comprises described control circuit further and also comprises humiture collection circuit, and described humiture collection circuit is connected with described governor circuit.
In a preferred embodiment of the present invention, audiphone care device comprises described control circuit further and also comprises air pressure testing circuit, and described air pressure testing circuit is connected with described governor circuit.
In a preferred embodiment of the present invention, the lower end that audiphone care device comprises described base is further provided with foot pad.
In a preferred embodiment of the present invention, audiphone care device comprises further on described housing and is symmetrically arranged with two handles.
The invention solves the defect existed in background technology; the present invention is under the double action of vacuum dehumidifying and heated at constant temperature; the moisture of audiphone surface and deep layer can be made acutely to vaporize and overflow; desiccant dehumidification thorough fast; extend the service life of audiphone; convenient and swift; time saving and energy saving; cost is low; the setting of dividing plate and air-vent is convenient to can also avoid audiphone scratch while steam is discharged; protection audiphone, the setting of anchor ear avoids drying chamber to run toward housing outward, also has that noise is low, lightweight, volume is little, portable advantage simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the stereogram of the preferred embodiments of the present invention;
Fig. 2 is the internal main view of the preferred embodiments of the present invention;
Fig. 3 is the front view after the cover of the preferred embodiments of the present invention is opened;
Fig. 4 is the top view after the cover of the preferred embodiments of the present invention is opened;
Fig. 5 is the top view after the housing of the preferred embodiments of the present invention is taken away;
Fig. 6 is the pneumatic diagram of the preferred embodiments of the present invention;
Fig. 7 is the circuit diagram of the preferred embodiments of the present invention.
Detailed description of the invention
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1-Fig. 7, a kind of audiphone care device, comprise base 2, the housing 4 be connected with base 2, base 2 and housing 4 are by screw-driving, base 2 is provided with vavuum pump 6, vavuum pump 6 comprises air inlet 8 and gas outlet 10, the lower ending opening of housing 4, inner hollow, housing 4 is provided with drying chamber 12, drying chamber 12 is connected with air inlet 8, preferably drying chamber 12 comprises tank body 14 further, the cover 16 be connected with tank body 14 folding, when cover 16 covers, cover 16 and tank body 14 are tightly connected, drying chamber 12 is provided with heater element 18, the preferred heater element 18 of the present invention is fixed on the diapire of tank body 14, but be not limited to diapire, also can be fixed on the sidewall of tank body 14, heater element 18 is connected with control circuit.
Reset circuit 26, display circuit 28, air pressure testing circuit 30, humiture collection circuit 32, keying circuit 34 and bactericidal light cleaning circuit 36 that the preferred control circuit of the present invention comprises power circuit 20, the governor circuit 22 be connected with power circuit 20 and magnetic valve 24 and is connected with governor circuit 22.Air inlet 8, drying chamber 12 are all connected with magnetic valve 24.
Conveniently connect, the present invention also comprises four-way interface 38, the first interface of four-way interface 38 is connected with air inlet 8 by the first pipeline 40, second interface of four-way interface 38 is connected with the first end of magnetic valve 24 by the second pipeline 42, and the second end of magnetic valve 24 is connected with tank body 14 by the 3rd pipeline 44.
In order to ensure safety, the preferred housing 4 of the present invention is provided with relief valve 46, and relief valve 46 is connected with air inlet 8.Preferably relief valve 46 is connected with the 3rd interface of four-way interface 38 by the 4th pipeline 48 further, thus realizes the connection with air inlet 8 by the first pipeline 40 again.
The present invention also comprises dust suction handle 50, and dust suction handle 50 is connected with magnetic valve 24.The present invention also comprises air blowing handle 52, and air blowing handle 52 is connected with gas outlet 10.The dust suction syringe needle 56 that further preferably dust suction handle 50 comprises dust suction syringe 54, is communicated with dust suction syringe 54.The air blowing syringe needle 60 that further preferably air blowing handle 52 comprises air blowing syringe 58, is communicated with air blowing syringe 58.For the ease of connecting, the preferred housing 4 of the present invention is provided with dust suction interface 62, air blowing interface 64,3rd end of magnetic valve 24 is connected with dust suction interface 62 by the 5th pipeline 66, dust suction interface 62 is connected with dust suction syringe 54 by the 6th pipeline 68, gas outlet 10 is connected with air blowing interface 64 by the 7th pipeline 70, and air blowing interface 64 is connected with air blowing syringe 58 by the 8th pipeline 72.Dust suction syringe needle 56 and air blowing syringe needle 60 all can stretch in audiphone and aim at parts, particularly aperture to be cleaned or small gap, convenient and swift, thoroughly clean, without dead angle, and can not cause damage to parts to be cleaned.
Power circuit 20 accesses Hou Fen tri-tunnel by alternating current 220V, and wherein the first via is directly powered for heater element 18, and the second tunnel is the working power of magnetic valve 24, and the 3rd tunnel is the input power of 24V/6A Switching Power Supply.24V/6A Switching Power Supply exports two-way, direct current 24V is the working power of vavuum pump 6, and direct current 5V is the working power of governor circuit 22, reset circuit 26, display circuit 28, air pressure testing circuit 30, humiture collection circuit 32, keying circuit 34, bactericidal light cleaning circuit 36.
Governor circuit 22 adopts ATmega8 single-chip microcomputer to make main control MCU, and ATmega8 is 8 AVR microprocessors of a high-performance, low-power consumption, and 28 travel far and wide, and advanced risc architecture, 12MHz crystal oscillator G is to meet control rate and real-time.
Reset circuit 26 comprises C1 and R1, and system electrification automatically resets.When just having started to power on, that is during firm connection Vcc power supply, because the voltage on electric capacity C1 can not suddenly change, energising moment C1 is equivalent to short circuit, the voltage of Vcc power supply is all on R1, this high level is added in the PC6/RST mouth of single-chip microcomputer, as long as the satisfied high level be added on RST can continue 24 cycles of oscillation can make monolithic processor resetting.
Display circuit 28 adopts S012864FPD matrix liquid-crystal display screen 74, can show word, symbol and figure.A, time showing: timing range, point 30min, 60min, 90min third gear; Countdown, is decremented to zero by second, and timing terminates; The instant time, 24 hours systems.B, humiture show: real-time temperature, degree Celsius; Instant humidity.C, air pressure show: instant pressure, relative pressure.D, function select display: I, vacuum dehumidifying; Blow; Heated constant temperature; UV light cleans; Sterilizing; II, vacuum dehumidifying; Blow; Heated constant temperature; III, dust suction; Blow; IV, UV light cleans; Sterilizing.
Air pressure testing circuit 30 adopts PPT intelligent pressure sensor 76, PPT intelligent pressure sensor 76 inside is integrated with piezo-resistance, A/D converter, microprocessor, memory and interface circuit, device integration is high, performance indications are high, easy to use, PPT intelligent pressure sensor 76 is fixed on base 2, and PPT intelligent pressure sensor 76 is connected with the 4th interface of four-way interface by the 9th pipeline 78.PPT intelligent pressure sensor 76 can know the force value in tank body 14 in time, is shown by the LCDs 74 of display circuit 28.
Humiture collection circuit 32 adopts model to be the Multifunctional warm humidity sensor 80 of SHT71, and Multifunctional warm humidity sensor 80 can be arranged on the inwall of cover 16, and SHT71 is a microminiature, high accuracy, self calibration temperature/humidity compound sensor.Application CMOS micro-processing technology, sensor internal comprises a condenser type condensate and detects wet element and an energy gap type temperature element, with 14 A/D converters and serial interface circuit is integrated realizes seamless link on the same chip on device.Device inside is also integrated with amplifier, the total interface of nominal data memory, data and stabilizer.Two-wire serial interface is without the need to additional circuit.Possess that quality brilliance, ultrafast corresponding, antijamming capability are strong, cost performance pole advantages of higher.
Keying circuit 34 comprises A, function key 82 arranges function and divides four tunnels, I, II, III, IV fourth gear.I, vacuum dehumidifying, air blowing, heated constant temperature, light cleaning, disinfection, this grade of selection determine after with timing setting startup optimization, but inside arrange light cleaning, disinfection function startup optimization quits work after 15 minutes automatically, now vacuum dehumidifying just understands startup optimization.Such arrangement is because UV light cleans, sterilizing must participate in by aerobic.In order to anoxic unlikely in drying chamber, vacuum dehumidifying delays 15 minutes startup optimization, to give full play to the cleaning of UV light, sterilizing effect.II, vacuum dehumidifying, air blowing, heated constant temperature.III, dust suction, air blowing.The cleaning of IV, UV light, sterilizing.Inside set four class as a cycle, button, by once selecting one grade, circulates successively.Function is selected to determine that rear its runs with timing setting startup work.B, timing key 84 set timing and divide 30min, 60min, 90min third gear.By one-shot timing 30min; By restarting timing 60min; Timing 90min is started by three times.Interior setting third gear is one-period, enters next cycle period, be followed successively by 30min by the 4th time; Being 60min by five times, is 90min by six times.Circulation like this is continuous.
Bidirectional triode thyristor VG1, VG2, photoelectrical coupler IC1, IC2, heater element 18 form heater circuit 86, and bidirectional triode thyristor is withstand voltage height, reliability are high, and can be completely switched on, exchange in positive-negative half-cycle and have electric power to export, improve heating efficiency.Employing photoelectrical coupler is opened in the triggering of bidirectional triode thyristor, heater circuit 86 and governor circuit 22 Phototube Coupling, to ensure safety.Heater element 18 adopts ptc fever tablet, because ptc material has positive temperature coefficient, when ptc fever tablet is by current heating, temperature raises, the corresponding increase of its resistance, makes the corresponding reduction of electric current passed through, so caloric value also corresponding reduction, temperature declines and is in temperature constant state, has the performance of autonomous regulating and controlling temperature.When the PB2 mouth of single-chip microcomputer is low level, photoelectrical coupler IC2 exports trigger current, triggers and opens bidirectional triode thyristor VG2, and heater element 18 obtains electric heating up.When temperature rises to 52 DEG C, be delivered to main control MCU, after computing, send instruction by Temperature Humidity Sensor 80 after being gathered, PB2 mouth exports high level, and photoelectrical coupler IC2 ends, and turns off VG2, so heater element 18 dead electricity stops heating.Set in limited time in temperature is down to, be delivered to main control MCU after being gathered by Temperature Humidity Sensor 80, after computing, send instruction, PB2 mouth output low level, photoelectrical coupler IC2 exports trigger current triggering and opens bidirectional triode thyristor VG2, and heater element 18 obtains electric heating up.Equipment auto-control temperature and enter temperature constant state.
Vavuum pump 6, large power triode VT1 and electric capacity C6 form dehumidifier circuit 88, vavuum pump 6 is preferably VAY8828 minipump, it is a large discharge, high vacuum, life-span long brushless micro vavuum pump, its peak flow can reach 28L/min, relative pressure can reach-99KPa, and absolute pressure and vacuum reach 12KPa.When tank body 14 and the cover 16 of drying chamber 12 seal and cover, bleed through vavuum pump 6, air pressure reduces formation subnormal ambient gradually, and boiling point is corresponding reduction also, and when vacuum reaches 12KPa, the boiling point of water is down to less than 50 DEG C, and the heat drying function constant temperature of the machine is at 52 DEG C, reach the boiling point of water sooner, make moisture meeting fast vaporizing, therefore, under the double action of vacuum dehumidifying and heated at constant temperature, the audiphone surface of placing in tank body 14 and the moisture of deep layer are acutely vaporized and overflow.The moist steam of overflowing in object is ceaselessly taken away by vavuum pump 6, quick thorough dry inner matter.Single-chip microcomputer sends instruction, and PB0 port exports high level, large power triode VT1 conducting, and vavuum pump 6 starts running; When timing countdown terminates, PB0 port output low level, large power triode VT1 ends, and vavuum pump 6 dead electricity shuts down.The participation of the light cleaning of the machine and the necessary aerobic of sterilizing effect.In order to give full play to the effect of UV light cleaning and sterilization, work delayed by vavuum pump 6, and light cleaning, sterilizing and heat drying 15 minutes final vacuum pumps 6 put into operation again.
The switching of vacuum dehumidifying and dust suction: when function key 82 selects III dust suction, air blowing shelves, main control MCU sends instruction, PB1 port output low level, photoelectrical coupler IC1 exports trigger current and triggers bidirectional triode thyristor VG1, makes it conducting, magnetic valve 24 energized action, turn off the 3rd pipeline 44, cut off vacuum dehumidifying gas circuit, connect the 5th pipeline 66, connect dust suction gas circuit.When selection I function shelves or II function shelves, PB1 mouth exports high level, and photoelectrical coupler IC1 ends, and bidirectional triode thyristor VG1 loses trigger current and turns off voluntarily, and magnetic valve 24 dead electricity turns off dust suction gas circuit, recovers vacuum dehumidifying gas circuit.
Bactericidal light cleaning circuit 36 comprises three UVLED90, three the 2nd UVLED92 and R12, R13, R14, R15, R16, R17, three UVLED90 and three the 2nd UVLED92 are spacedly distributed on same 360 ° of circular arcs of cover 16 inwall, and the OC2 mouth of single-chip microcomputer exports modulation pulsewidth and drives high-power FET VT2 to light a UVLED90, the 2nd UVLED92.It is the direct sterilization of 254nm ultraviolet that one UVLED90 sends centre wavelength, and it is produce ozone after the Ultraviolet radiation air of 185nm that the 2nd UVLED92 sends centre wavelength, and the ultraviolet being 254nm with centre wavelength is done to reach multiply sterilizing effect simultaneously.In addition, centre wavelength is that the UV light of 185nm and 254nm has very high energy, when these photons act on cleaned material surface, because most of hydrocarbon has stronger absorption function to 185nm length ultraviolet light, and ion, free state atom, excited molecule and neutron is formed after absorption 185nm length ultraviolet light energy, realize photosensitization, oxygen molecule in air also can produce ozone and elemental oxygen after absorbing the ultraviolet light of 185nm, ozone has strong absorption equally to the ultraviolet light of 254nm, and ozone is decomposed into again elemental oxygen and oxygen.Its induced by atomic oxygen is extremely active, under its effect, the carbon of body surface, hydrocarbons decompose thing can be combined to volatilizable gas, carbon dioxide and steam effusion surface, thus thoroughly remove the carbon organic pollution being attached on audiphone surface, avoid with an organic solvent to environment, environmental protection, can shorten cleaning process simultaneously.In order to give full play to the effect of ultraviolet rays cleaning, ultraviolet rays cleaning sterilizing is set to the first action, vacuum dehumidifying drying is the second action.After equipment power-on, setting timing, now, ultraviolet rays cleaning sterilizing and heated at constant temperature start work automatically, after 15 minutes, the sterilization of light cleaning and sterilization quits work automatically, equipment enter the second action that is time delay first action after 15 minutes the second action just start.
In order to avoid ultraviolet ray burn eyes and skin; also comprise safety guard; be made up of Hall switch 94, magnet 96, phase inverter N and resistance R2, Hall switch 94 can be fixed in housing 4, and magnet 96 is fixed in cover 16; open cover 16; Hall switch 94 loses magnetic fields, output signal upset, and main control MCU sends instruction and cuts off bactericidal light cleaning circuit 36; one UVLED90, the 2nd UVLED92 extinguish, thus the safety of protection user.
Dividing plate 98 is provided with in the preferred drying chamber 12 of the present invention; dividing plate 98 has multiple air-vent 100; steam can be discharged outside tank body 14 along air-vent 100; tank body 14 lower end arranges interface 102 and is connected with the 3rd pipeline 44; the setting of dividing plate 98 can avoid audiphone directly to contact with diapire in tank body 14; be convenient to the discharge of steam, audiphone can be avoided by interface 102 scratch simultaneously, protection audiphone.Drying chamber 12 is arranged with anchor ear 104, anchor ear 104 is c-shaped, and anchor ear 104 is fastened on tank body 14 outer wall, and the upper end of anchor ear 104 abuts with housing 4, avoids drying chamber 12 to run toward housing 4 is outer.
In order to avoid maloperation, water is spilt the electronic devices and components affected on the table in base 2, guarantee safety, the lower end of the preferred base 2 of the present invention is provided with foot pad 106.
For the ease of this structure mobile, the preferred housing 4 of the present invention is symmetrically arranged with two handles 108, both hands exert a force, convenient and swift.
The preferred housing 4 of the present invention is provided with power switch 110, base 2 is provided with band cartridge fuse supply socket 112.
In use, be placed on by audiphone on the dividing plate 98 in tank body 14, cover tightly cover 16, then close relief valve 46, press power switch 110, switch on power, system electrification automatically resets, and initializes in the present invention.Press function key 82 and timing key 84 once, select I function shelves, timing 30min, LCDs 74 carries out Presentation Function, time, temperature and air pressure, now heated at constant temperature and the sterilization of ultraviolet cleaning and sterilization starts work automatically, after 15min, bactericidal light cleaning quits work automatically, vavuum pump 6 starts work, vavuum pump 6 is bled, air pressure in drying chamber 12 reduces gradually and becomes negative pressure subenvironment, boiling point is corresponding reduction also, simultaneously under the effect of heated at constant temperature, the audiphone surface of placing in drying chamber 12 and the moisture of deep layer are acutely vaporized and overflow, the moist steam of effusion is ceaselessly taken away by vavuum pump 6, quick thorough dry built in hearing aid, meanwhile, vavuum pump 6 is in the process of running, and the air blowing syringe needle 60 of air blowing handle 52 can be aimed at audiphone needs clean position, dust, impurity and foreign matter is washed away by air-flow.After 15min, vavuum pump 6 shuts down, and as opened cover 16, first opens relief valve 46, and tank 12 internal and external pressure balance to be dried, can open cover 16, takes out the audiphone after dehumidifying.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine technical scope according to right.
Claims (9)
1. an audiphone care device, it is characterized in that: the housing comprise base, being connected with described base, described base is provided with vavuum pump, described vavuum pump comprises air inlet and gas outlet, described housing is provided with drying chamber, described drying chamber is connected with described air inlet, and described drying chamber is provided with heater element, and described heater element is connected with control circuit.
2. audiphone care device according to claim 1, is characterized in that: be provided with dividing plate in described drying chamber, described dividing plate has multiple air-vent.
3. audiphone care device according to claim 2, is characterized in that: described drying chamber is arranged with anchor ear, the upper end of described anchor ear abuts with described housing.
4. audiphone care device according to claim 1, it is characterized in that: described housing is provided with relief valve, described relief valve is connected with described air inlet.
5. audiphone care device according to claim 1, is characterized in that: described control circuit comprises power circuit, the governor circuit be connected with described power circuit and magnetic valve, and described air inlet, drying chamber are all connected with described magnetic valve.
6. audiphone care device according to claim 5, is characterized in that: described control circuit also comprises humiture collection circuit, described humiture collection circuit is connected with described governor circuit.
7. audiphone care device according to claim 5, is characterized in that: described control circuit also comprises air pressure testing circuit, described air pressure testing circuit is connected with described governor circuit.
8. audiphone care device according to claim 1, is characterized in that: the lower end of described base is provided with foot pad.
9. audiphone care device according to claim 1, is characterized in that: described housing is symmetrically arranged with two handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846337.4A CN104534822A (en) | 2014-12-31 | 2014-12-31 | Maintaining device for hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846337.4A CN104534822A (en) | 2014-12-31 | 2014-12-31 | Maintaining device for hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104534822A true CN104534822A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846337.4A Pending CN104534822A (en) | 2014-12-31 | 2014-12-31 | Maintaining device for hearing aid |
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| CN (1) | CN104534822A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110986512A (en) * | 2019-12-27 | 2020-04-10 | 苏州立人听力器材有限公司 | Dehumidifying and drying nursing instrument |
| CN111059872A (en) * | 2019-12-27 | 2020-04-24 | 苏州立人听力器材有限公司 | Dehumidifying vacuum drying nursing instrument |
| CN111076514A (en) * | 2019-12-27 | 2020-04-28 | 苏州立人听力器材有限公司 | Drying and dehumidifying method suitable for hearing aid |
| US11092379B2 (en) | 2019-08-07 | 2021-08-17 | Ear Technology Corporation | Dryer and sanitizer for rechargeable electronic devices |
| US11102588B2 (en) | 2019-08-06 | 2021-08-24 | Daniel R. Schumaier | Hearing aid dryer and disinfection kit |
| US11122378B1 (en) | 2019-08-06 | 2021-09-14 | Daniel R. Schumaier | Hearing aid dryer and disinfection kit |
| US11167052B2 (en) | 2020-04-07 | 2021-11-09 | Daniel R. Schumaier | Ultraviolet light sanitizer |
| US11266757B2 (en) | 2019-08-06 | 2022-03-08 | Daniel R. Schumaier | Hearing aid dryer and disinfection kit with UV-reflective drying tray |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11102588B2 (en) | 2019-08-06 | 2021-08-24 | Daniel R. Schumaier | Hearing aid dryer and disinfection kit |
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| US11167052B2 (en) | 2020-04-07 | 2021-11-09 | Daniel R. Schumaier | Ultraviolet light sanitizer |
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Application publication date: 20150422 |