KR930008504Y1 - 부하감지회로 - Google Patents
부하감지회로 Download PDFInfo
- Publication number
- KR930008504Y1 KR930008504Y1 KR2019900017379U KR900017379U KR930008504Y1 KR 930008504 Y1 KR930008504 Y1 KR 930008504Y1 KR 2019900017379 U KR2019900017379 U KR 2019900017379U KR 900017379 U KR900017379 U KR 900017379U KR 930008504 Y1 KR930008504 Y1 KR 930008504Y1
- Authority
- KR
- South Korea
- Prior art keywords
- load
- circuit
- output
- comparison
- impedance
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (1)
- 신호원(S)과 부하(L)를 병렬연결하며, 상기 부하(L)일측에는 콘덴서(C1) 및 다이오드(D1), (D2)를 통한 후 시정수용 가변저항(VR1)을 통해 콘덴서(C2)를 연결하여 구성한 피이크검출회로(1)와, 상기 피이크검출회로(1)의 출력은 비교증폭기(OP1)의 비반전입력단(+)에, 기준전압(Vref)은 그의 반전입력단(-)에 각기 입력하여 비교출력하는 비교회로(2)와, 상기 비교회로(2)의 출력을 트랜지스터(Q1)의 베이스단에 인가하여, 그의 콜렉터단의 발광다이오드(LED1)을 통해 상기 부하(L)의 연결여부를 표시하는 표시회로(3)를 포함하여 구성된 것을 특징으로 하는 부하감지회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017379U KR930008504Y1 (ko) | 1990-11-13 | 1990-11-13 | 부하감지회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017379U KR930008504Y1 (ko) | 1990-11-13 | 1990-11-13 | 부하감지회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920010229U KR920010229U (ko) | 1992-06-17 |
KR930008504Y1 true KR930008504Y1 (ko) | 1993-12-22 |
Family
ID=19305330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900017379U KR930008504Y1 (ko) | 1990-11-13 | 1990-11-13 | 부하감지회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930008504Y1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130124099A (ko) * | 2012-05-04 | 2013-11-13 | 매그나칩 반도체 유한회사 | Led 구동 장치 |
-
1990
- 1990-11-13 KR KR2019900017379U patent/KR930008504Y1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130124099A (ko) * | 2012-05-04 | 2013-11-13 | 매그나칩 반도체 유한회사 | Led 구동 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR920010229U (ko) | 1992-06-17 |
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Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19901113 |
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A201 | Request for examination | ||
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Patent event date: 19920128 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19901113 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
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Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19931130 |
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Patent event date: 19940228 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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