CA1263889C - - Google Patents
Info
- Publication number
- CA1263889C CA1263889C CA 537350 CA537350A CA1263889C CA 1263889 C CA1263889 C CA 1263889C CA 537350 CA537350 CA 537350 CA 537350 A CA537350 A CA 537350A CA 1263889 C CA1263889 C CA 1263889C
- Authority
- CA
- Canada
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/168—Indicators for switching condition, e.g. "on" or "off" making use of an electromagnetic wave communication
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000565195A CA1263889A (en) | 1986-06-13 | 1988-04-27 | Position indicator with light emitter and two light sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/874,028 US4692612A (en) | 1986-06-13 | 1986-06-13 | Switch position detector and indicator with multicolor light emitter |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000565195A Division CA1263889A (en) | 1986-06-13 | 1988-04-27 | Position indicator with light emitter and two light sensors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA1239182A CA1239182A (en) | 1988-07-12 |
| CA1263889C true CA1263889C (forum.php) | 1989-12-12 |
Family
ID=25362822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000537350A Expired CA1239182A (en) | 1986-06-13 | 1987-05-19 | SWITCH POSITION DETECTOR AND MULTICOLOR LUMINESCENT INDICATOR |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4692612A (forum.php) |
| CA (1) | CA1239182A (forum.php) |
| IN (1) | IN167560B (forum.php) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829192A (en) * | 1986-03-27 | 1989-05-09 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Photo-coupler with delay function using a fluorescent substance as the delay means |
| US4878722A (en) * | 1988-06-24 | 1989-11-07 | Korry Electronics Company | Wavelength encoded optical switches |
| GB8908102D0 (en) * | 1989-04-11 | 1989-05-24 | British Nuclear Fuels Plc | Phase-failure detector |
| US5650608A (en) * | 1991-12-05 | 1997-07-22 | Tv Interactive Data Corporation | Method and apparatus for generating ratiometric control signals |
| US5216246A (en) * | 1992-02-03 | 1993-06-01 | Xerox Corporation | Optical safety shutoff for machine cover |
| EP0782159A3 (de) * | 1995-12-30 | 1998-10-28 | Franz Vogl Electronic GmbH | Optisches Überwachungssystem für einen Trennschalter sowie Trennschalter mit einem solchen Überwachungssystem |
| US5818037A (en) * | 1996-04-09 | 1998-10-06 | Tv Interactive Data Corporation | Controller using a flexible element to vary light transferred to a photosensitive element |
| DE19960399B4 (de) * | 1999-09-17 | 2004-09-02 | Elan Schaltelemente Gmbh & Co. Kg | Elektromechanisches Schaltgerät |
| CN1329286C (zh) * | 2002-12-20 | 2007-08-01 | 本田技研工业株式会社 | 生产富氢气体的方法和其中所使用的无贵金属催化剂配方 |
| CN116829910A (zh) * | 2020-11-05 | 2023-09-29 | 伟勒德工业股份公司 | 传感设备 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL275191A (forum.php) * | 1961-02-27 | |||
| DE2047997B2 (de) * | 1970-09-30 | 1976-10-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Elektronische einzel-eingabetaste |
| JPS48102585A (forum.php) * | 1972-04-04 | 1973-12-22 | ||
| JPS57199390U (forum.php) * | 1981-06-15 | 1982-12-17 | ||
| US4617461A (en) * | 1984-04-25 | 1986-10-14 | Burroughs Corporation | Fluorescent optical switch and keyboard apparatus |
-
1986
- 1986-06-13 US US06/874,028 patent/US4692612A/en not_active Expired - Fee Related
-
1987
- 1987-05-19 CA CA000537350A patent/CA1239182A/en not_active Expired
- 1987-06-18 IN IN478/CAL/87A patent/IN167560B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN167560B (forum.php) | 1990-11-17 |
| US4692612A (en) | 1987-09-08 |
| CA1239182A (en) | 1988-07-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |