Oscillating color filter single station range light |
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| 申请号 | US44958065 | 申请日 | 1965-04-20 | 公开(公告)号 | US3354428A | 公开(公告)日 | 1967-11-21 |
| 申请人 | PROJECTOR THEODORE H; RINKINEN ROBERT S; | 发明人 | PROJECTOR THEODORE H; RINKINEN ROBERT S; | ||||
| 摘要 | |||||||
| 权利要求 | 3. A NAVIGATIONAL SINGLE STATION RANGE LIGHT COMPRISING A PROJECTION DEVICE AND MOVABLE DUAL FILTER HAVING TWO ADJACENT COLOR AREAS, MEANS FOR REPETITIVELY OSCILLATING SAID FILTER BETWEEN AT LEAST TWO POSITIONS SO THAT THE PROJECTED COLOR BEAMS THEREOF OSCILLATE BACK AND FORTH ACROSS A NAVIGATIONAL COURSE LINE TO FOLLOW, SAID MEANS COMPRISING A DEVICE FOR EFFECTING EQUAL DWELL TIMES FOR SAID BEAMS AT SAID POSITIONS. |
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| 说明书全文 | |||||||
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