IT8022288A0 - Rilevatore foto-elettrico della presenza di un oggetto del tipo adue fili. - Google Patents
Rilevatore foto-elettrico della presenza di un oggetto del tipo adue fili.Info
- Publication number
- IT8022288A0 IT8022288A0 IT8022288A IT2228880A IT8022288A0 IT 8022288 A0 IT8022288 A0 IT 8022288A0 IT 8022288 A IT8022288 A IT 8022288A IT 2228880 A IT2228880 A IT 2228880A IT 8022288 A0 IT8022288 A0 IT 8022288A0
- Authority
- IT
- Italy
- Prior art keywords
- photo
- electric detector
- wire object
- wire
- detector
- Prior art date
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
- H03K3/2826—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type
- H03K3/2828—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistors of the complementary type in an asymmetrical circuit configuration
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Geophysics And Detection Of Objects (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7913316A FR2457604A1 (fr) | 1979-05-25 | 1979-05-25 | Detecteur photo-electrique de la presence d'un objet, du type a deux fils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8022288A0 true IT8022288A0 (it) | 1980-05-23 |
| IT1130737B IT1130737B (it) | 1986-06-18 |
Family
ID=9225858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT22288/80A IT1130737B (it) | 1979-05-25 | 1980-05-23 | Rilevatore foto-elettrico della presenza di un oggetto del tipo a due fili |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4328419A (it) |
| JP (1) | JPS55159172A (it) |
| BE (1) | BE883409A (it) |
| CH (1) | CH635688A5 (it) |
| DE (1) | DE3019071A1 (it) |
| ES (1) | ES491819A0 (it) |
| FR (1) | FR2457604A1 (it) |
| GB (1) | GB2052737B (it) |
| IT (1) | IT1130737B (it) |
| NL (1) | NL8003031A (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2497423A1 (fr) * | 1980-12-31 | 1982-07-02 | Telemecanique Electrique | Appareil detecteur du type a deux bornes, comportant un circuit d'alimentation en courant alternatif redresse et de commande d'une charge a l'aide de thyristors de commutation |
| DE3230903C2 (de) * | 1982-08-19 | 1985-07-18 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Schaltende Lichtschranke |
| DE3411995A1 (de) * | 1984-03-31 | 1985-10-03 | Kulzer & Co Gmbh, 6380 Bad Homburg | Lichtschranke als schalter in einer aufnahmevorrichtung fuer ein handgeraet |
| JPS6138520A (ja) * | 1984-07-31 | 1986-02-24 | Ricoh Co Ltd | 光センサ安定化方式 |
| JPS6290967A (ja) * | 1985-10-17 | 1987-04-25 | Nissan Motor Co Ltd | 受光用半導体集積回路 |
| DE3803034C3 (de) * | 1988-02-02 | 1994-10-20 | Sick Optik Elektronik Erwin | Photoempfänger |
| US5541623A (en) * | 1993-06-02 | 1996-07-30 | Alps Electric (U.S.A.) Inc. | Temperature compensated opto-electronic circuit and mouse using same |
| GB9514618D0 (en) * | 1995-07-17 | 1996-06-19 | British Aerospace | Nuclear event detector |
| US6774578B2 (en) * | 2000-09-19 | 2004-08-10 | Semiconductor Energy Laboratory Co., Ltd. | Self light emitting device and method of driving thereof |
| US7316628B2 (en) * | 2004-01-13 | 2008-01-08 | The Gates Corporation Ip Law Dept. | Two speed transmission and belt drive system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3348167A (en) * | 1966-04-20 | 1967-10-17 | Avco Corp | Relaxation oscillator requiring low current |
| FR2123753A5 (it) * | 1971-01-29 | 1972-09-15 | Cometa Sa | |
| DE2340978A1 (de) * | 1973-08-14 | 1975-02-27 | Licentia Gmbh | Sender fuer wechsellichtschranke |
| JPS5161243A (en) * | 1974-11-25 | 1976-05-27 | Fuji Photo Optical Co Ltd | Taisuzofukuki |
| DE2517597A1 (de) * | 1975-04-21 | 1976-11-04 | Stiebel Eltron Gmbh & Co Kg | Schaltungsanordnung zur beruehrungslosen an- und abschaltung, insbesondere von haendetrocknern |
| FR2373037A1 (fr) * | 1976-12-03 | 1978-06-30 | Telemecanique Electrique | Detecteur de proximite a deux fils |
| DE2710631A1 (de) * | 1977-03-11 | 1978-09-14 | Weber Guenther | Reflexlichtschranke |
| US4153835A (en) * | 1977-08-25 | 1979-05-08 | Bell Telephone Laboratories, Incorporated | Temperature compensation circuit |
-
1979
- 1979-05-25 FR FR7913316A patent/FR2457604A1/fr active Granted
-
1980
- 1980-05-19 DE DE19803019071 patent/DE3019071A1/de active Granted
- 1980-05-21 BE BE0/200700A patent/BE883409A/fr not_active IP Right Cessation
- 1980-05-21 GB GB8016749A patent/GB2052737B/en not_active Expired
- 1980-05-22 US US06/152,250 patent/US4328419A/en not_active Expired - Lifetime
- 1980-05-23 NL NL8003031A patent/NL8003031A/nl not_active Application Discontinuation
- 1980-05-23 IT IT22288/80A patent/IT1130737B/it active
- 1980-05-23 CH CH403680A patent/CH635688A5/fr not_active IP Right Cessation
- 1980-05-23 ES ES491819A patent/ES491819A0/es active Granted
- 1980-05-26 JP JP7000980A patent/JPS55159172A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL8003031A (nl) | 1980-11-27 |
| DE3019071A1 (de) | 1980-12-04 |
| GB2052737A (en) | 1981-01-28 |
| GB2052737B (en) | 1983-12-07 |
| US4328419A (en) | 1982-05-04 |
| CH635688A5 (fr) | 1983-04-15 |
| FR2457604A1 (fr) | 1980-12-19 |
| JPS55159172A (en) | 1980-12-11 |
| FR2457604B1 (it) | 1981-07-17 |
| IT1130737B (it) | 1986-06-18 |
| JPH0143279B2 (it) | 1989-09-19 |
| BE883409A (fr) | 1980-09-15 |
| DE3019071C2 (it) | 1989-02-02 |
| ES8104685A1 (es) | 1981-04-01 |
| ES491819A0 (es) | 1981-04-01 |
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