FR2146003A5 - - Google Patents
Info
- Publication number
- FR2146003A5 FR2146003A5 FR7225044A FR7225044A FR2146003A5 FR 2146003 A5 FR2146003 A5 FR 2146003A5 FR 7225044 A FR7225044 A FR 7225044A FR 7225044 A FR7225044 A FR 7225044A FR 2146003 A5 FR2146003 A5 FR 2146003A5
- Authority
- FR
- France
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017545—Coupling arrangements; Impedance matching circuits
- H03K19/017572—Coupling arrangements; Impedance matching circuits using opto-electronic devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
- H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16147071A | 1971-07-12 | 1971-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2146003A5 true FR2146003A5 (en) | 1973-02-23 |
Family
ID=22581303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7225044A Expired FR2146003A5 (en) | 1971-07-12 | 1972-07-11 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2233553A1 (en) |
FR (1) | FR2146003A5 (en) |
GB (1) | GB1403110A (en) |
IT (1) | IT962697B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2629687C2 (en) * | 1976-07-02 | 1983-05-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Test arrangement |
DE2814856C2 (en) * | 1978-04-06 | 1983-06-09 | Brown, Boveri & Cie Ag, 6800 Mannheim | Control circuit for a light emitting diode |
DE3013705C2 (en) * | 1980-04-10 | 1985-10-10 | Siemens AG, 1000 Berlin und 8000 München | Arrangement for the transmission of data between a mobile data acquisition device and a data processing device |
US4652764A (en) * | 1983-03-31 | 1987-03-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Current source circuit with a photo coupler |
DE102010030656A1 (en) | 2010-06-29 | 2011-12-29 | Siemens Aktiengesellschaft | Circuit arrangement for a digital input |
-
1972
- 1972-07-07 DE DE19722233553 patent/DE2233553A1/en active Pending
- 1972-07-10 IT IT2683772A patent/IT962697B/en active
- 1972-07-11 FR FR7225044A patent/FR2146003A5/fr not_active Expired
- 1972-07-11 GB GB3237672A patent/GB1403110A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2233553A1 (en) | 1973-01-18 |
IT962697B (en) | 1973-12-31 |
GB1403110A (en) | 1975-08-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |