JPS5118498A - - Google Patents
Info
- Publication number
- JPS5118498A JPS5118498A JP50021087A JP2108775A JPS5118498A JP S5118498 A JPS5118498 A JP S5118498A JP 50021087 A JP50021087 A JP 50021087A JP 2108775 A JP2108775 A JP 2108775A JP S5118498 A JPS5118498 A JP S5118498A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Electronic Switches (AREA)
- Audible And Visible Signals (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH242774A CH595669A5 (ja) | 1974-02-21 | 1974-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5118498A true JPS5118498A (ja) | 1976-02-14 |
Family
ID=4233548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50021087A Pending JPS5118498A (ja) | 1974-02-21 | 1975-02-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4013886A (ja) |
| JP (1) | JPS5118498A (ja) |
| CH (1) | CH595669A5 (ja) |
| DE (1) | DE2500734A1 (ja) |
| SU (1) | SU580855A3 (ja) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2558323C2 (de) | 1975-12-23 | 1981-03-12 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur handbetätigten Notabschaltung eines Förderbandes im Bergbau unter Tage |
| IT1108846B (it) * | 1977-03-26 | 1985-12-09 | Omron Tateisi Electronics Co | Interrutore fotoelettrico |
| DE2824311C2 (de) * | 1978-06-02 | 1983-03-03 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Justieranordnung zur Ausrichtung einer Gruppe zyklisch geschalteter Lichtsender oder Lichtempfänger |
| US4278870A (en) * | 1979-07-06 | 1981-07-14 | Carleton John S | Dental mirror warmer |
| US4356393A (en) * | 1980-05-29 | 1982-10-26 | Banner Engineering Corp. | Alignment indicator for photoelectric scanners |
| DE3222954C2 (de) * | 1982-06-18 | 1986-01-23 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Lichtschrankeneinheit |
| US4626683A (en) * | 1982-11-12 | 1986-12-02 | Eaton Corporation | Through-beam optical detector system with alignment aid |
| US4633235A (en) * | 1984-12-20 | 1986-12-30 | Degennaro Charles S | Optical cable security system with standby and automatic re-arming features |
| DE3513475A1 (de) * | 1985-04-15 | 1986-10-16 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Lumineszenztaster |
| US4931631A (en) * | 1987-09-14 | 1990-06-05 | Opcon Incorporated | Long range, thru-beam photoelectric alignment indicator |
| US4812810A (en) * | 1988-01-25 | 1989-03-14 | Whirlpool Corporation | Fiber optic door sensor for a domestic appliance |
| JP2688361B2 (ja) * | 1988-08-02 | 1997-12-10 | 正己 山川 | 光電センサ |
| WO2024002487A1 (en) * | 2022-06-30 | 2024-01-04 | Avancon Sa | Light barrier |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3041461A (en) * | 1958-05-27 | 1962-06-26 | Lindly & Company Inc | Photo electric inspecting apparatus |
| US3619629A (en) * | 1969-04-30 | 1971-11-09 | Laser Systems Corp | Security system |
| US3578978A (en) * | 1969-05-05 | 1971-05-18 | Cometa S A R L | Optical projector including photo-sensitive device |
| US3816745A (en) * | 1972-11-20 | 1974-06-11 | Innovation Ind Inc | Optically-coupled sensing and control system |
-
1974
- 1974-02-21 CH CH242774A patent/CH595669A5/xx not_active IP Right Cessation
-
1975
- 1975-01-10 DE DE19752500734 patent/DE2500734A1/de active Pending
- 1975-02-18 US US05/550,263 patent/US4013886A/en not_active Expired - Lifetime
- 1975-02-20 SU SU7502119244A patent/SU580855A3/ru active
- 1975-02-21 JP JP50021087A patent/JPS5118498A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH595669A5 (ja) | 1978-02-15 |
| DE2500734A1 (de) | 1975-08-28 |
| US4013886A (en) | 1977-03-22 |
| SU580855A3 (ru) | 1977-11-15 |