JPH0253159U - - Google Patents
Info
- Publication number
- JPH0253159U JPH0253159U JP1988128015U JP12801588U JPH0253159U JP H0253159 U JPH0253159 U JP H0253159U JP 1988128015 U JP1988128015 U JP 1988128015U JP 12801588 U JP12801588 U JP 12801588U JP H0253159 U JPH0253159 U JP H0253159U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- capacitor
- piezoelectric vibrator
- oscillation circuit
- base
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims 4
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/362—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier being a single transistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0002—Types of oscillators
- H03B2200/0008—Colpitts oscillator
Landscapes
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128015U JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-01 | 1988-10-01 | |
| US07/415,102 US4996502A (en) | 1988-10-01 | 1989-09-29 | Ultrasonic atomizer circuit having plural oscillators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988128015U JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-01 | 1988-10-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0253159U true JPH0253159U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-04-17 |
| JPH0520456Y2 JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-05-27 |
Family
ID=14974376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988128015U Expired - Lifetime JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-01 | 1988-10-01 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4996502A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| JP (1) | JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198713A (en) * | 1989-04-19 | 1993-03-30 | Olympus Optical Co., Ltd. | Ultrasonic transducer apparatus |
| US5563811A (en) * | 1993-04-29 | 1996-10-08 | Humonics International Inc. | Microprocessor controlled drive circuit for a liquid nebulizer having a plurality of oscillators |
| US6142146A (en) * | 1998-06-12 | 2000-11-07 | Microdose Technologies, Inc. | Inhalation device |
| CA2526362C (en) * | 2003-05-20 | 2012-10-09 | James F. Collins | Ophthalmic drug delivery system |
| US8012136B2 (en) * | 2003-05-20 | 2011-09-06 | Optimyst Systems, Inc. | Ophthalmic fluid delivery device and method of operation |
| US20090212133A1 (en) * | 2008-01-25 | 2009-08-27 | Collins Jr James F | Ophthalmic fluid delivery device and method of operation |
| EP2376155B1 (en) * | 2008-12-11 | 2017-03-29 | Koninklijke Philips N.V. | System and method for monitoring nebulization of a medicament |
| CA2805426C (en) | 2010-07-15 | 2020-03-24 | Corinthian Ophthalmic, Inc. | Drop generating device |
| AU2011278924B2 (en) | 2010-07-15 | 2015-06-18 | Eyenovia, Inc. | Ophthalmic drug delivery |
| US10154923B2 (en) | 2010-07-15 | 2018-12-18 | Eyenovia, Inc. | Drop generating device |
| CN103118643B (zh) | 2010-07-15 | 2015-06-10 | 艾诺维亚股份有限公司 | 用于执行远程治疗和监测的方法和系统 |
| EP2790619A1 (en) | 2011-12-12 | 2014-10-22 | Corinthian Ophthalmic, Inc. | Ejector mechanism, ejector device, and methods of use |
| WO2018067527A1 (en) * | 2016-10-04 | 2018-04-12 | Stulz Air Technology Systems, Inc. | Control of ultrasonic nebulizers in a humidifier |
| CN111093742B (zh) | 2017-06-10 | 2022-09-16 | 艾诺维亚股份有限公司 | 用于处理流体并将流体输送到眼睛的方法和设备 |
| CN108233872A (zh) * | 2017-12-20 | 2018-06-29 | 四川泰猷科技有限公司 | 一种基于聚焦超声的驱动电路与治疗仪 |
| US12161585B2 (en) | 2019-12-11 | 2024-12-10 | Eyenovia, Inc. | Systems and devices for delivering fluids to the eye and methods of use |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3989042A (en) * | 1974-06-06 | 1976-11-02 | Tdk Electronics Company, Limited | Oscillator-exciting system for ultrasonic liquid nebulizer |
| JPS5635260Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1975-01-23 | 1981-08-19 | ||
| JPS6012619A (ja) * | 1983-03-19 | 1985-01-23 | 九州日立マクセル株式会社 | キ−トツプの製造方法 |
| US4641053A (en) * | 1984-08-14 | 1987-02-03 | Matsushita Seiko Co., Ltd. | Ultrasonic liquid atomizer with an improved soft start circuit |
-
1988
- 1988-10-01 JP JP1988128015U patent/JPH0520456Y2/ja not_active Expired - Lifetime
-
1989
- 1989-09-29 US US07/415,102 patent/US4996502A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520456Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-05-27 |
| US4996502A (en) | 1991-02-26 |