DE68917018D1 - Gerichtete optische Signalisierung. - Google Patents
Gerichtete optische Signalisierung.Info
- Publication number
- DE68917018D1 DE68917018D1 DE68917018T DE68917018T DE68917018D1 DE 68917018 D1 DE68917018 D1 DE 68917018D1 DE 68917018 T DE68917018 T DE 68917018T DE 68917018 T DE68917018 T DE 68917018T DE 68917018 D1 DE68917018 D1 DE 68917018D1
- Authority
- DE
- Germany
- Prior art keywords
- directional optical
- optical signaling
- signaling
- directional
- optical
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
- 230000011664 signaling Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8801274A NL8801274A (nl) | 1988-05-18 | 1988-05-18 | Gerichte optische signalering. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68917018D1 true DE68917018D1 (de) | 1994-09-01 |
DE68917018T2 DE68917018T2 (de) | 1995-02-16 |
Family
ID=19852308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68917018T Expired - Fee Related DE68917018T2 (de) | 1988-05-18 | 1989-05-12 | Gerichtete optische Signalisierung. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4993808A (de) |
EP (1) | EP0342747B1 (de) |
JP (1) | JPH0217519A (de) |
KR (1) | KR890017602A (de) |
DE (1) | DE68917018T2 (de) |
NL (1) | NL8801274A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9000828U1 (de) * | 1990-01-25 | 1990-03-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
US5892630A (en) * | 1992-02-10 | 1999-04-06 | Linvatec Corporation | Disposable endoscope |
NL9301885A (nl) * | 1993-11-02 | 1995-06-01 | Nederland Haarlem B V | Lichtgeleidingskegel, werkwijze voor het vervaardigen daarvan, alsmede informatiedrager. |
DE69435174D1 (de) | 1993-12-21 | 2009-01-15 | Minnesota Mining & Mfg | Mehrschichtiger optischer Film |
US5425124A (en) * | 1994-03-23 | 1995-06-13 | Rolm Company | Lightpipe providing wide angle output |
US6797902B2 (en) | 2001-06-27 | 2004-09-28 | Sotai Ltd. | Illuminable computer keyboard |
CN101488405B (zh) * | 2008-01-16 | 2010-12-22 | 毅嘉科技股份有限公司 | 侧向发光键帽制造方法 |
JP6502706B2 (ja) | 2015-03-04 | 2019-04-17 | 東プレ株式会社 | キーボード |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3144643A (en) * | 1960-12-10 | 1964-08-11 | Gasaccumulator Svenska Ab | Push-button illuminating device |
US4052591A (en) * | 1975-09-19 | 1977-10-04 | Harper-Wyman Company | Infinite switch and indicator |
DE2825833B2 (de) * | 1978-06-13 | 1980-08-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Mittels einer Leuchtdiode beleuchteter Schalter- oder Tastenknopf |
FR2477764A1 (fr) * | 1980-03-04 | 1981-09-11 | Orega Electro Mecanique | Clavier de commande etanche au ruissellement et a voyants lumineux, notamment pour machine a laver |
JPS57125731A (en) * | 1981-01-26 | 1982-08-05 | Olympus Optical Co | Illumination system for endoscope |
DE8437099U1 (de) * | 1984-12-19 | 1985-03-28 | Schoeller & Co Elektrotechnische Fabrik Gmbh & Co, 6000 Frankfurt | Tastschalter |
US4683359A (en) * | 1986-03-13 | 1987-07-28 | Eaton Corporation | Illuminated switch assembly with combined light and light shield |
DE3700856A1 (de) * | 1987-01-14 | 1988-07-28 | Telefunken Electronic Gmbh | Optoelektronische tastatur |
JPH0723854Y2 (ja) * | 1987-04-30 | 1995-05-31 | 沖電気工業株式会社 | キーボードの照明素子用ホルダ |
-
1988
- 1988-05-18 NL NL8801274A patent/NL8801274A/nl not_active Application Discontinuation
-
1989
- 1989-04-19 US US07/340,618 patent/US4993808A/en not_active Expired - Fee Related
- 1989-05-02 JP JP1113558A patent/JPH0217519A/ja active Pending
- 1989-05-12 DE DE68917018T patent/DE68917018T2/de not_active Expired - Fee Related
- 1989-05-12 EP EP89201205A patent/EP0342747B1/de not_active Expired - Lifetime
- 1989-05-15 KR KR1019890006459A patent/KR890017602A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE68917018T2 (de) | 1995-02-16 |
KR890017602A (ko) | 1989-12-16 |
JPH0217519A (ja) | 1990-01-22 |
US4993808A (en) | 1991-02-19 |
EP0342747A1 (de) | 1989-11-23 |
NL8801274A (nl) | 1989-12-18 |
EP0342747B1 (de) | 1994-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |