KR880000917Y1 - 기능절환회로 - Google Patents
기능절환회로 Download PDFInfo
- Publication number
- KR880000917Y1 KR880000917Y1 KR2019840012078U KR840012078U KR880000917Y1 KR 880000917 Y1 KR880000917 Y1 KR 880000917Y1 KR 2019840012078 U KR2019840012078 U KR 2019840012078U KR 840012078 U KR840012078 U KR 840012078U KR 880000917 Y1 KR880000917 Y1 KR 880000917Y1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- resistor
- supplied
- collector
- load
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
-
- 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
Landscapes
- Electronic Switches (AREA)
Abstract
Description
Claims (1)
- 트랜지스터(TR1)의 스위칭을 제어하기 위한 동작전원(Vcc1)이 연결된 절환스위치(SW)에는 저항(R1)(R2)을 매개하여 트랜지스터(TR1)의 베이스가 연결되고, 트랜지스터(TR1)의 컬렉터에는 바이어스 저항(R3)(R4)을 매개하여 트랜지스터(TR2)가 연결되어서 트랜지스터(TR2)가 연결되어서 트랜지스터(TR2)의 컬렉터와 에미터에 저항(R5)과 트랜지스터(TR3)가 연결되는 한편, 트랜지스터(TR2)(TR3)의 에미터에 저항(R6∼R8) 및 제너다이오드(ZD), 콘덴서(C1), 트랜지스터(TR4)로 구성된 정전압회로(VRG)가 연결되어 있는 기능절환회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019840012078U KR880000917Y1 (ko) | 1984-11-24 | 1984-11-24 | 기능절환회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019840012078U KR880000917Y1 (ko) | 1984-11-24 | 1984-11-24 | 기능절환회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860006832U KR860006832U (ko) | 1986-06-25 |
KR880000917Y1 true KR880000917Y1 (ko) | 1988-03-16 |
Family
ID=19238267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019840012078U Expired KR880000917Y1 (ko) | 1984-11-24 | 1984-11-24 | 기능절환회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR880000917Y1 (ko) |
-
1984
- 1984-11-24 KR KR2019840012078U patent/KR880000917Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR860006832U (ko) | 1986-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19841124 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19870526 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19841124 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19880210 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19880607 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19880831 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19880831 |
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UR1001 | Payment of annual fee |
Payment date: 19901228 Start annual number: 4 End annual number: 4 |
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UR1001 | Payment of annual fee |
Payment date: 19911227 Start annual number: 5 End annual number: 5 |
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UR1001 | Payment of annual fee |
Payment date: 19930106 Start annual number: 6 End annual number: 6 |
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UR1001 | Payment of annual fee |
Payment date: 19940228 Start annual number: 7 End annual number: 7 |
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UR1001 | Payment of annual fee |
Payment date: 19950228 Start annual number: 8 End annual number: 8 |
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UR1001 | Payment of annual fee |
Payment date: 19960229 Start annual number: 9 End annual number: 9 |
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UR1001 | Payment of annual fee |
Payment date: 19961231 Start annual number: 10 End annual number: 10 |
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FPAY | Annual fee payment |
Payment date: 19980226 Year of fee payment: 11 |
|
UR1001 | Payment of annual fee |
Payment date: 19980226 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |