GB8923141D0 - Obstruction detection apparatus - Google Patents
Obstruction detection apparatusInfo
- Publication number
- GB8923141D0 GB8923141D0 GB898923141A GB8923141A GB8923141D0 GB 8923141 D0 GB8923141 D0 GB 8923141D0 GB 898923141 A GB898923141 A GB 898923141A GB 8923141 A GB8923141 A GB 8923141A GB 8923141 D0 GB8923141 D0 GB 8923141D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- detection apparatus
- obstruction detection
- obstruction
- detection
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
- G01V8/22—Detecting, e.g. by using light barriers using multiple transmitters or receivers using reflectors
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8923141A GB2238379A (en) | 1989-10-13 | 1989-10-13 | Obstruction detection apparatus |
PCT/GB1990/001549 WO1991006018A1 (en) | 1989-10-13 | 1990-10-09 | Obstruction detection apparatus |
CA 2066613 CA2066613A1 (en) | 1989-10-13 | 1990-10-09 | Obstruction detection apparatus |
AU66142/90A AU6614290A (en) | 1989-10-13 | 1990-10-09 | Obstruction detection apparatus |
EP19900915791 EP0494976A1 (en) | 1989-10-13 | 1990-10-09 | Obstruction detection apparatus |
JP51480690A JPH05501304A (en) | 1989-10-13 | 1990-10-09 | Obstacle detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8923141A GB2238379A (en) | 1989-10-13 | 1989-10-13 | Obstruction detection apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8923141D0 true GB8923141D0 (en) | 1989-11-29 |
GB2238379A GB2238379A (en) | 1991-05-29 |
Family
ID=10664556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8923141A Withdrawn GB2238379A (en) | 1989-10-13 | 1989-10-13 | Obstruction detection apparatus |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0494976A1 (en) |
JP (1) | JPH05501304A (en) |
AU (1) | AU6614290A (en) |
CA (1) | CA2066613A1 (en) |
GB (1) | GB2238379A (en) |
WO (1) | WO1991006018A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5207297A (en) * | 1991-12-04 | 1993-05-04 | Trli, Inc. | High lift warning system |
DE4205251A1 (en) * | 1992-02-21 | 1993-08-26 | Hella Kg Hueck & Co | DEVICE FOR MONITORING THE CLOSING PROCESS OF A MOTOR-DRIVEN WINDOW WINDOW, IN PARTICULAR A MOTOR VEHICLE WINDOW WINDOW |
US11867499B2 (en) * | 2020-02-19 | 2024-01-09 | Faro Technologies, Inc. | System and method for verifying a position of a component on an object |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641549A (en) * | 1970-06-25 | 1972-02-08 | Sanders Associates Inc | Electro-optical perimeter intrusion alarm |
DE2215136C3 (en) * | 1972-03-28 | 1975-10-16 | Visomat-Geraete Gmbh, 6500 Mainz | Light protection grille |
DE2247053C3 (en) * | 1972-09-26 | 1979-08-09 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Light barrier |
US4029176A (en) * | 1975-10-06 | 1977-06-14 | Mills Gerald W | Doorway safety device |
FR2339917A2 (en) * | 1976-02-02 | 1977-08-26 | Jay Electronique Sa | OPTICAL DEVICE FOR OPTICAL SAFETY BARRIERS |
DE2939833C2 (en) * | 1979-10-01 | 1982-06-09 | Universal-Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co Kg, 7081 Westhausen | Protective device for the movement space of the slide of a flat knitting machine |
JPS56158977A (en) * | 1980-05-13 | 1981-12-08 | Mitsubishi Electric Corp | Presence detector |
JPS60151575A (en) * | 1984-01-18 | 1985-08-09 | Iseki & Co Ltd | Passing detector for particle |
US4649270A (en) * | 1984-12-10 | 1987-03-10 | Louis Goldenberg | Photo-electric object detector having removable field stop means |
US4847488A (en) * | 1987-12-23 | 1989-07-11 | Cerberus Ag | Sabotage resistant light barrier wherein radiation is polarized into two opposite types of polarization |
-
1989
- 1989-10-13 GB GB8923141A patent/GB2238379A/en not_active Withdrawn
-
1990
- 1990-10-09 EP EP19900915791 patent/EP0494976A1/en not_active Withdrawn
- 1990-10-09 CA CA 2066613 patent/CA2066613A1/en not_active Abandoned
- 1990-10-09 JP JP51480690A patent/JPH05501304A/en active Pending
- 1990-10-09 WO PCT/GB1990/001549 patent/WO1991006018A1/en not_active Application Discontinuation
- 1990-10-09 AU AU66142/90A patent/AU6614290A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
AU6614290A (en) | 1991-05-16 |
EP0494976A1 (en) | 1992-07-22 |
WO1991006018A1 (en) | 1991-05-02 |
JPH05501304A (en) | 1993-03-11 |
CA2066613A1 (en) | 1991-04-14 |
GB2238379A (en) | 1991-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |