GB1417345A - Light barrier apparatus - Google Patents
Light barrier apparatusInfo
- Publication number
- GB1417345A GB1417345A GB2380773A GB2380773A GB1417345A GB 1417345 A GB1417345 A GB 1417345A GB 2380773 A GB2380773 A GB 2380773A GB 2380773 A GB2380773 A GB 2380773A GB 1417345 A GB1417345 A GB 1417345A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light barrier
- photo
- sleeve
- outer cylinder
- receiver
- 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
- 230000004888 barrier function Effects 0.000 title abstract 3
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
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Radiation-Therapy Devices (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722224348 DE2224348B2 (de) | 1972-05-18 | 1972-05-18 | Lichtschranke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1417345A true GB1417345A (en) | 1975-12-10 |
Family
ID=5845282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2380773A Expired GB1417345A (en) | 1972-05-18 | 1973-05-18 | Light barrier apparatus |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH559500A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2224348B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2184896B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1417345A (enrdf_load_stackoverflow) |
| IT (1) | IT987356B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240175A (en) * | 1990-01-19 | 1991-07-24 | Asahi Optical Co Ltd | Photometry device for camera |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1131031A (en) * | 1979-02-06 | 1982-09-07 | Homer D. F. Peters | Hot gob detector for a glassware forming machine |
| DE3008309C2 (de) * | 1980-03-04 | 1986-08-28 | Siemens AG, 1000 Berlin und 8000 München | Gabellichtschranke zur Erfassung mechanischer Bewegungen |
| JPS59103459U (ja) * | 1982-12-28 | 1984-07-12 | アルプス電気株式会社 | フオトセンサ素子の位置決め構造 |
| FR2603724B1 (fr) * | 1986-09-09 | 1990-03-30 | Stutzmann Gilles | Dispositif de protection et d'alarme par faisceau optoelectronique a rayonnement infrarouge continu |
| KR910006887B1 (ko) * | 1988-06-15 | 1991-09-10 | 마쯔시다덴기산교 가부시기가이샤 | 전기소제기의 쓰레기 검지장치 |
| DE10006321A1 (de) * | 2000-02-12 | 2001-08-23 | Daimler Chrysler Ag | Verfahren zur Herstellung einer optischen Überwachungseinrichtung sowie Optik und Optikaufnehmer zur Durchführung des Verfahrens |
| DE202008007211U1 (de) * | 2008-05-29 | 2009-10-08 | Ledon Lighting Gmbh | Leuchtengehäuse, insbesondere für eine LED-Leuchte, mit Dichtungselement |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2918585A (en) * | 1958-04-11 | 1959-12-22 | Edward B Farmer | Photoelectric mount |
| FR1278385A (fr) * | 1961-01-18 | 1961-12-08 | Licentia Gmbh | Ensemble unitaire de construction pour dispositifs photoélectriques |
| CA879965A (en) * | 1969-07-04 | 1971-08-31 | Provost Claude | Systeme de cellule photoelectrique |
-
1972
- 1972-05-18 DE DE19722224348 patent/DE2224348B2/de not_active Ceased
-
1973
- 1973-04-27 CH CH610273A patent/CH559500A5/xx not_active IP Right Cessation
- 1973-05-08 IT IT2384073A patent/IT987356B/it active
- 1973-05-16 FR FR7317646A patent/FR2184896B1/fr not_active Expired
- 1973-05-18 GB GB2380773A patent/GB1417345A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2240175A (en) * | 1990-01-19 | 1991-07-24 | Asahi Optical Co Ltd | Photometry device for camera |
| US5136326A (en) * | 1990-01-19 | 1992-08-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Photometry device for camera |
| GB2240175B (en) * | 1990-01-19 | 1994-01-26 | Asahi Optical Co Ltd | Camera photometry device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2224348A1 (de) | 1974-01-24 |
| IT987356B (it) | 1975-02-20 |
| DE2224348B2 (de) | 1976-05-26 |
| FR2184896B1 (enrdf_load_stackoverflow) | 1978-04-14 |
| FR2184896A1 (enrdf_load_stackoverflow) | 1973-12-28 |
| CH559500A5 (enrdf_load_stackoverflow) | 1975-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |