KR200198892Y1 - 경보기능을 구비한 전자회로 비교검사장치 - Google Patents
경보기능을 구비한 전자회로 비교검사장치 Download PDFInfo
- Publication number
- KR200198892Y1 KR200198892Y1 KR2019960038104U KR19960038104U KR200198892Y1 KR 200198892 Y1 KR200198892 Y1 KR 200198892Y1 KR 2019960038104 U KR2019960038104 U KR 2019960038104U KR 19960038104 U KR19960038104 U KR 19960038104U KR 200198892 Y1 KR200198892 Y1 KR 200198892Y1
- Authority
- KR
- South Korea
- Prior art keywords
- buzzer
- electronic circuit
- printed circuit
- emitting diode
- light emitting
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/281—Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing
- G01R31/2813—Checking the presence, location, orientation or value, e.g. resistance, of components or conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims (2)
- 정현파를 발생시키는 발진부(111)와, 상기 발생된 신호의 진폭을 조절하는 조절부(112)와, 상기 진폭조절된 신호를 버퍼링하여 소정레벨 증폭한 다음에 외부 잭단자(101,102,103)를 통해 기준리드봉(10)과 대상리드봉(30)으로 각각 출력하는 증폭/버퍼부(113a,113b)와, 상기 외부 잭단자(101,102,103)를 통해서 측정되는 기준파형과 검사파형의 두 파형을 모니터레벨로 변환하는 변환부(114)와, 상기 변환된 신호를 화면출력하는 모니터(120)와, 상기 외부 잭단자(101,102,103)를 통해서 측정되는 두 파형을 증폭하는 증폭기(115)와, 상기 증폭된 파형을 비교하는 비교기(116)와, 상기 비교기(116)의 출력신호에 따라 점등 또는 소등되는 발광다이오드(130)를 포함하는 전자회로 비교검사장치에 있어서, 상기 발광다이오드(116)와 접지사이에 직렬접속된 발광다이오드(D1)와 상기 발광다이오드(D1)의 발광을 수광하는 수광트랜지스터(Q1)로 이루어진 포토커플러(145)와, 상기 포토커플러(145)의 수광트랜지스터(Q1)의 동작과 역동작하는 스위칭트랜지스터(Q2)를 포함하는 부저구동부(140); 상기 부저구동부(140)의 스위칭트랜지스터(Q2)의 컬렉터단과 부저구동부(140)의 전원단(+V)사이에 접속구성한 부저(150); 를 구비함을 특징으로 하는 경보기능을 구비한 전자회로 비교검사장치.
- 제1항에 있어서, 상기 부저(150)와 전원단(+V)의 두저선을 외부 잭단자(104)와 스위치잭(34) 및 스위치연장선(33)을 통해서 대상리드봉(30)의 손잡이부(31)까지 연장한 다음에, 상기 두전선을 손잡이부(31)에서 스위칭시키도록 손잡이부(31)에 설치된 부저선택스위치(SW); 를 더 구비함을 특징으로 하는 경보기능을 구비한 전자회로 비교검사장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960038104U KR200198892Y1 (ko) | 1996-11-01 | 1996-11-01 | 경보기능을 구비한 전자회로 비교검사장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960038104U KR200198892Y1 (ko) | 1996-11-01 | 1996-11-01 | 경보기능을 구비한 전자회로 비교검사장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980025351U KR19980025351U (ko) | 1998-08-05 |
KR200198892Y1 true KR200198892Y1 (ko) | 2000-10-02 |
Family
ID=19472659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019960038104U Expired - Lifetime KR200198892Y1 (ko) | 1996-11-01 | 1996-11-01 | 경보기능을 구비한 전자회로 비교검사장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR200198892Y1 (ko) |
-
1996
- 1996-11-01 KR KR2019960038104U patent/KR200198892Y1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR19980025351U (ko) | 1998-08-05 |
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Legal Events
Date | Code | Title | Description |
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UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19961101 |
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A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19980729 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19961101 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
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UG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 20000630 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 20000727 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 20000728 |
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UG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20030701 Year of fee payment: 4 |
|
UR1001 | Payment of annual fee |
Payment date: 20030701 Start annual number: 4 End annual number: 4 |
|
LAPS | Lapse due to unpaid annual fee |