KR840007903U - 급수전의 스위칭 장치 - Google Patents
급수전의 스위칭 장치Info
- Publication number
- KR840007903U KR840007903U KR2019830003725U KR830003725U KR840007903U KR 840007903 U KR840007903 U KR 840007903U KR 2019830003725 U KR2019830003725 U KR 2019830003725U KR 830003725 U KR830003725 U KR 830003725U KR 840007903 U KR840007903 U KR 840007903U
- Authority
- KR
- South Korea
- Prior art keywords
- water supply
- switching device
- device before
- before water
- switching
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019830003725U KR850001550Y1 (ko) | 1983-04-27 | 1983-04-27 | 급수전의 스위칭 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019830003725U KR850001550Y1 (ko) | 1983-04-27 | 1983-04-27 | 급수전의 스위칭 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR840007903U true KR840007903U (ko) | 1984-12-26 |
| KR850001550Y1 KR850001550Y1 (ko) | 1985-07-25 |
Family
ID=19229667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019830003725U KR850001550Y1 (ko) | 1983-04-27 | 1983-04-27 | 급수전의 스위칭 장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR850001550Y1 (ko) |
-
1983
- 1983-04-27 KR KR2019830003725U patent/KR850001550Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR850001550Y1 (ko) | 1985-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| N231 | Notification of change of applicant | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| REGI | Registration of establishment | ||
| FPAY | Annual fee payment |
Payment date: 19881208 Year of fee payment: 4 |
|
| LAPS | Lapse due to unpaid annual fee |