| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP32613/84 | 1984-02-24 | ||
| JP59032613AJPH0723987B2 (en) | 1984-02-24 | 1984-02-24 | Information display device | 
| Publication Number | Publication Date | 
|---|---|
| EP0180642A1 EP0180642A1 (en) | 1986-05-14 | 
| EP0180642A4true EP0180642A4 (en) | 1989-06-13 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| EP19850901065WithdrawnEP0180642A4 (en) | 1984-02-24 | 1985-02-20 | DATA DISPLAY DEVICE. | 
| Country | Link | 
|---|---|
| EP (1) | EP0180642A4 (en) | 
| JP (1) | JPH0723987B2 (en) | 
| KR (1) | KR890005189B1 (en) | 
| WO (1) | WO1985003795A1 (en) | 
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| JPS63137292A (en)* | 1986-11-28 | 1988-06-09 | スタンレー電気株式会社 | Information display board illuminance control method | 
| FR2615977B1 (en)* | 1987-05-27 | 1991-11-08 | Imerval Sa | ON BOARD EQUIPMENT FOR DATA PROCESSING AND TRANSMISSION | 
| US5122781A (en)* | 1990-09-06 | 1992-06-16 | Bolan Trading Inc. | Hazard warning light | 
| JP2543145Y2 (en)* | 1991-01-16 | 1997-08-06 | 日立金属株式会社 | Lifting jig for raised floor | 
| GB9914575D0 (en)* | 1999-06-22 | 1999-08-25 | Secretary Environment Brit | Method and apparatus for displaying variable messages to road users | 
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| US3909788A (en)* | 1971-09-27 | 1975-09-30 | Litton Systems Inc | Driving circuits for light emitting diodes | 
| DE3035944A1 (en)* | 1980-09-24 | 1982-04-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Opto-electronic semiconductor display - uses LED as transmitter and receiver to effect control of intensity | 
| US4340889A (en)* | 1980-08-06 | 1982-07-20 | Ford Motor Company | Method and apparatus for coordinate dimming of electronic displays | 
| Publication number | Priority date | Publication date | Assignee | Title | 
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| US3873979A (en)* | 1973-09-28 | 1975-03-25 | Monsanto Co | Luminescent solid state status indicator | 
| JPS5240995A (en)* | 1975-09-29 | 1977-03-30 | Kyodo Micro Ranpu Kk | Pulural-distribution luminescent diode lighting equipment | 
| JPS52143071A (en)* | 1976-05-24 | 1977-11-29 | Sanyo Electric Co Ltd | Brightness modulation circuit for electronic timepiece | 
| JPS53128297A (en)* | 1977-04-14 | 1978-11-09 | Toshiba Corp | Display device | 
| JPS5516593U (en)* | 1978-07-18 | 1980-02-01 | ||
| JPS5741669U (en)* | 1980-08-21 | 1982-03-06 | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US3909788A (en)* | 1971-09-27 | 1975-09-30 | Litton Systems Inc | Driving circuits for light emitting diodes | 
| US4340889A (en)* | 1980-08-06 | 1982-07-20 | Ford Motor Company | Method and apparatus for coordinate dimming of electronic displays | 
| DE3035944A1 (en)* | 1980-09-24 | 1982-04-08 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Opto-electronic semiconductor display - uses LED as transmitter and receiver to effect control of intensity | 
| Title | 
|---|
| ELECTRONIC ENGINEERING, vol. 46, no. 559, September 1974, page 15, London, GB; S.A. MONEY: "Timer and photocell adjust display brilliance"* | 
| ELECTRONIC, vol. 47, no. 26, 26th December 1974, page 105, New York, US; F.E. HINKLE et al.: "Timer IC and photocell can vary LED brightness"* | 
| ELEKTOR, vol. 2, no. 7-8, July/August 1976, pages 756-757, Canterbury, GB; "Reat-out brightness regulator"* | 
| See also references ofWO8503795A1* | 
| TOUTE L'ELECTRONIQUE, no. 447, Oktober 1979, page 59, Paris, FR; "Contrôle automatique de brillance pour afficheurs"* | 
| Publication number | Publication date | 
|---|---|
| JPH0723987B2 (en) | 1995-03-15 | 
| EP0180642A1 (en) | 1986-05-14 | 
| JPS60177395A (en) | 1985-09-11 | 
| WO1985003795A1 (en) | 1985-08-29 | 
| KR890005189B1 (en) | 1989-12-16 | 
| Publication | Publication Date | Title | 
|---|---|---|
| DE3586421D1 (en) | DISPLAY DEVICE. | |
| DE3581853D1 (en) | DISPLAY DEVICE. | |
| DE3577676D1 (en) | DISPLAY DEVICE. | |
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| DE3576593D1 (en) | PASSIVE DISPLAY DEVICE. | |
| DE3887318D1 (en) | Data display device. | 
| Date | Code | Title | Description | 
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase | Free format text:ORIGINAL CODE: 0009012 | |
| 17P | Request for examination filed | Effective date:19851023 | |
| AK | Designated contracting states | Kind code of ref document:A1 Designated state(s):AT BE CH DE FR GB LI LU NL SE | |
| A4 | Supplementary search report drawn up and despatched | Effective date:19890613 | |
| 17Q | First examination report despatched | Effective date:19910424 | |
| STAA | Information on the status of an ep patent application or granted ep patent | Free format text:STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN | |
| 18D | Application deemed to be withdrawn | Effective date:19920602 | |
| RIN1 | Information on inventor provided before grant (corrected) | Inventor name:TOMINAGA, MUNEHARU Inventor name:TSUZAWA, MASAMI Inventor name:SAKAI, MITSURU Inventor name:NAGUMO, SEIZABURO |