DE3163501D1 - A retroreflector for beam scanning apparatus - Google Patents
A retroreflector for beam scanning apparatusInfo
- Publication number
- DE3163501D1 DE3163501D1 DE8181902311T DE3163501T DE3163501D1 DE 3163501 D1 DE3163501 D1 DE 3163501D1 DE 8181902311 T DE8181902311 T DE 8181902311T DE 3163501 T DE3163501 T DE 3163501T DE 3163501 D1 DE3163501 D1 DE 3163501D1
- Authority
- DE
- Germany
- Prior art keywords
- retroreflector
- beam scanning
- scanning apparatus
- scanning
- 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8181902311T DE3163501D1 (en) | 1980-08-06 | 1981-08-05 | A retroreflector for beam scanning apparatus |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3029794 | 1980-08-06 | ||
PCT/EP1981/000115 WO1982000528A1 (en) | 1980-08-06 | 1981-08-05 | Retroreflectors,especially for beam scanning applications and beam scanning apparatus incorporating such retroreflectors |
DE8181902311T DE3163501D1 (en) | 1980-08-06 | 1981-08-05 | A retroreflector for beam scanning apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3163501D1 true DE3163501D1 (en) | 1984-06-14 |
Family
ID=6109025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181902311T Expired DE3163501D1 (en) | 1980-08-06 | 1981-08-05 | A retroreflector for beam scanning apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US4464014A (de) |
EP (2) | EP0057229B1 (de) |
DE (1) | DE3163501D1 (de) |
WO (1) | WO1982000528A1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4914387A (en) * | 1988-04-04 | 1990-04-03 | The Torrington Company | Magnetic speed sensor with an adaptive threshold circuit for use with a bearing assembly |
DE4334659A1 (de) * | 1993-10-12 | 1995-04-20 | Johannes Dipl Ing Aulbach | Optische Leiteinrichtung, insbesondere für den Straßenverkehr |
GB2321814B (en) * | 1997-01-28 | 2001-02-14 | British Broadcasting Corp | Video imaging |
US6067143A (en) * | 1998-06-04 | 2000-05-23 | Tomita; Akira | High contrast micro display with off-axis illumination |
US7175901B1 (en) | 1999-01-14 | 2007-02-13 | Reflec Plc | Retroreflective inks |
US20060067572A1 (en) * | 2004-09-14 | 2006-03-30 | Tattile, L.L.C. | Object imaging system |
US8224189B1 (en) | 2007-02-02 | 2012-07-17 | Sunlight Photonics Inc. | Retro-directive target for free-space optical communication and method of producing the same |
JP5202097B2 (ja) * | 2008-05-14 | 2013-06-05 | 株式会社キーエンス | 光走査型光電スイッチ |
JP5156475B2 (ja) * | 2008-05-14 | 2013-03-06 | 株式会社キーエンス | 光走査型光電スイッチ |
JP5036624B2 (ja) * | 2008-05-20 | 2012-09-26 | 株式会社キーエンス | 監視エリア設定装置 |
JP5086899B2 (ja) * | 2008-06-03 | 2012-11-28 | 株式会社キーエンス | エリア監視センサ |
JP5096235B2 (ja) * | 2008-06-03 | 2012-12-12 | 株式会社キーエンス | エリア監視センサ |
JP2010175488A (ja) * | 2009-01-31 | 2010-08-12 | Keyence Corp | 光走査型光電スイッチ |
JP5473044B2 (ja) * | 2009-01-31 | 2014-04-16 | 株式会社キーエンス | 安全光電スイッチ |
US8415609B2 (en) * | 2009-01-31 | 2013-04-09 | Keyence Corporation | Safety photoelectric switch |
US10630853B2 (en) | 2016-09-07 | 2020-04-21 | Hewlett-Packard Development Company, L.P. | Edge sensing |
WO2024090542A1 (ja) * | 2022-10-28 | 2024-05-02 | キヤノン株式会社 | 光学素子および機器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB107799A (en) * | 1916-07-08 | 1917-07-09 | George Edward Taylor | Improvements in Lightning Conductors. |
DE2117500A1 (de) * | 1971-04-10 | 1972-10-19 | Sick Erwin Fa | Abtastlichtschranke |
DE2315261C3 (de) * | 1973-03-27 | 1979-06-13 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Reflektor für photoelektronische Gerate |
US4123140A (en) * | 1977-06-30 | 1978-10-31 | Ferro Corporation | Reflecting sheeting having wide angle response |
US4263345A (en) * | 1979-11-16 | 1981-04-21 | Minnesota Mining And Manufacturing Company | Coating composition for forming retroreflective treatments on fabrics |
-
1981
- 1981-08-05 EP EP81902311A patent/EP0057229B1/de not_active Expired
- 1981-08-05 DE DE8181902311T patent/DE3163501D1/de not_active Expired
- 1981-08-05 EP EP81106897A patent/EP0045979A3/de active Pending
- 1981-08-05 WO PCT/EP1981/000115 patent/WO1982000528A1/en active IP Right Grant
- 1981-08-06 US US06/367,235 patent/US4464014A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0045979A3 (de) | 1982-03-10 |
EP0045979A2 (de) | 1982-02-17 |
EP0057229A1 (de) | 1982-08-11 |
US4464014A (en) | 1984-08-07 |
EP0057229B1 (de) | 1984-05-09 |
WO1982000528A1 (en) | 1982-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |