KR900001257U - 주변조도에 따른 led 밝기조절회로 - Google Patents
주변조도에 따른 led 밝기조절회로Info
- Publication number
- KR900001257U KR900001257U KR2019880010741U KR880010741U KR900001257U KR 900001257 U KR900001257 U KR 900001257U KR 2019880010741 U KR2019880010741 U KR 2019880010741U KR 880010741 U KR880010741 U KR 880010741U KR 900001257 U KR900001257 U KR 900001257U
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- circuit according
- ambient light
- brightness control
- led brightness
- 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
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D25/00—Control of light, e.g. intensity, colour or phase
- G05D25/02—Control of light, e.g. intensity, colour or phase characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880010741U KR930005144Y1 (ko) | 1988-06-30 | 1988-06-30 | 주변조도에 따른 led 밝기조절회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019880010741U KR930005144Y1 (ko) | 1988-06-30 | 1988-06-30 | 주변조도에 따른 led 밝기조절회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900001257U true KR900001257U (ko) | 1990-01-18 |
| KR930005144Y1 KR930005144Y1 (ko) | 1993-08-09 |
Family
ID=19277063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019880010741U Expired - Fee Related KR930005144Y1 (ko) | 1988-06-30 | 1988-06-30 | 주변조도에 따른 led 밝기조절회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930005144Y1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030047597A (ko) * | 2001-12-11 | 2003-06-18 | 현대자동차주식회사 | 클러스터의 마이콤을 이용한 야간 조명 제어 장치 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100946692B1 (ko) * | 2007-12-12 | 2010-03-12 | 한국에너지기술연구원 | 자동 조도 제어 시스템 및 그를 이용한 조도 제어 방법 |
-
1988
- 1988-06-30 KR KR2019880010741U patent/KR930005144Y1/ko not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030047597A (ko) * | 2001-12-11 | 2003-06-18 | 현대자동차주식회사 | 클러스터의 마이콤을 이용한 야간 조명 제어 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR930005144Y1 (ko) | 1993-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68925634D1 (de) | Lichtemittierendes Element | |
| DK528389D0 (da) | Lysudstraalende anordning | |
| DK378589A (da) | Lysudstraalende anordning | |
| DK628788D0 (da) | Lysstyrkereguleringskredsloeb | |
| DK11090A (da) | Elektronisk stabilisator til et lysstofroer eller en fluorescenslampe | |
| KR900001257U (ko) | 주변조도에 따른 led 밝기조절회로 | |
| BR8902965A (pt) | Fixador de lampada e dispositivo de iluminacao e controle | |
| KR970007631U (ko) | 광량에 따른 발광소자 자동점멸회로 | |
| KR900002017U (ko) | 온 스크린 문자의 밝기 조절회로 | |
| KR930012603U (ko) | 발광다이오드의 밝기 조절회로 | |
| KR950030076U (ko) | 발광 다이오드 밝기 조절 회로 | |
| DK391789D0 (da) | Elektronisk styrekreds til lysstofroer | |
| KR930010067U (ko) | 램프 밝기 제어회로 | |
| KR930013879U (ko) | Drl장치의 조명장치 제어회로 | |
| KR890004061U (ko) | 조광 제어회로 | |
| KR900012980U (ko) | 맵 보드용 발광다이오드의 플리커링 회로 | |
| KR900002018U (ko) | 표시소자의 밝기 조절회로 | |
| KR950002517U (ko) | 광량조절회로를 구비한 스트로보 조광장치 | |
| KR900010616U (ko) | 컬러전광표시램프 | |
| KR840004176U (ko) | 발광다이오우드(led)를 이용한 전광표시기 | |
| KR900009409U (ko) | 딤머 제어회로 | |
| KR910007933U (ko) | 2중 조명 제어회로 | |
| KR900006023U (ko) | 형광등의 점등회로 | |
| KR910012320U (ko) | 광출력 자동 제어회로 | |
| KR890023492U (ko) | 보안등 자동점등회로 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| UA0108 | Application for utility model registration |
St.27 status event code: A-0-1-A10-A12-nap-UA0108 |
|
| UG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-UG1501 |
|
| A201 | Request for examination | ||
| UA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-UA0201 |
|
| UG1604 | Publication of application |
St.27 status event code: A-2-2-Q10-Q13-nap-UG1604 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-UE0701 |
|
| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-UR0701 |
|
| UR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-UR1002 Fee payment year number: 1 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 4 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 5 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 6 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| UN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-UN2301 St.27 status event code: A-5-5-R10-R11-asn-UN2301 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 7 |
|
| UN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-UN2301 St.27 status event code: A-5-5-R10-R11-asn-UN2301 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 8 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| FPAY | Annual fee payment |
Payment date: 20010727 Year of fee payment: 9 |
|
| UR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-UR1001 Fee payment year number: 9 |
|
| UN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-UN2301 St.27 status event code: A-5-5-R10-R11-asn-UN2301 |
|
| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-UC1903 Not in force date: 20020810 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| UC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-UC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20020810 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| UN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-UN2301 St.27 status event code: A-5-5-R10-R11-asn-UN2301 |
|
| UN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-UN2301 St.27 status event code: A-5-5-R10-R11-asn-UN2301 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |