DE2234501A1 - Schaltungsanordnung fuer ein elektronisches telegrafenrelais - Google Patents
Schaltungsanordnung fuer ein elektronisches telegrafenrelaisInfo
- Publication number
- DE2234501A1 DE2234501A1 DE2234501A DE2234501A DE2234501A1 DE 2234501 A1 DE2234501 A1 DE 2234501A1 DE 2234501 A DE2234501 A DE 2234501A DE 2234501 A DE2234501 A DE 2234501A DE 2234501 A1 DE2234501 A1 DE 2234501A1
- Authority
- DE
- Germany
- Prior art keywords
- transistor
- constant current
- circuit
- current source
- circuit arrangement
- 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.)
- Pending
Links
- 238000004353 relayed correlation spectroscopy Methods 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- 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
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
- H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
- H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/26—Circuits with optical sensing means, i.e. using opto-couplers for isolation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
- Emergency Protection Circuit Devices (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7126051A FR2146091B1 (en, 2012) | 1971-07-16 | 1971-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2234501A1 true DE2234501A1 (de) | 1973-01-25 |
Family
ID=9080452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2234501A Pending DE2234501A1 (de) | 1971-07-16 | 1972-07-13 | Schaltungsanordnung fuer ein elektronisches telegrafenrelais |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA966427A (en, 2012) |
| DE (1) | DE2234501A1 (en, 2012) |
| ES (1) | ES404908A1 (en, 2012) |
| FR (1) | FR2146091B1 (en, 2012) |
| GB (1) | GB1353429A (en, 2012) |
| IT (1) | IT962474B (en, 2012) |
| NL (1) | NL7209560A (en, 2012) |
| ZA (1) | ZA724629B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2220939A1 (en, 2012) * | 1973-03-05 | 1974-10-04 | Siemens Ag |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2471080A1 (fr) | 1979-11-28 | 1981-06-12 | Ibm France | Circuit d'interface conforme aux normes eia realise a partir d'un amplificateur operationnel |
| AU2012101415B4 (en) * | 2012-09-13 | 2012-12-06 | Gerard Lighting Holdings Pty Ltd | Overvoltage Protection Circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE626083A (en, 2012) * | 1964-03-04 | |||
| DE1290562C2 (de) * | 1965-03-23 | 1976-09-23 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum uebertragen von gleichstromimpulsen |
-
1971
- 1971-07-16 FR FR7126051A patent/FR2146091B1/fr not_active Expired
-
1972
- 1972-06-27 CA CA145,837A patent/CA966427A/en not_active Expired
- 1972-07-05 ZA ZA724629A patent/ZA724629B/xx unknown
- 1972-07-06 IT IT26681/72A patent/IT962474B/it active
- 1972-07-10 NL NL7209560A patent/NL7209560A/xx unknown
- 1972-07-13 GB GB3273272A patent/GB1353429A/en not_active Expired
- 1972-07-13 DE DE2234501A patent/DE2234501A1/de active Pending
- 1972-07-15 ES ES404908A patent/ES404908A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2220939A1 (en, 2012) * | 1973-03-05 | 1974-10-04 | Siemens Ag |
Also Published As
| Publication number | Publication date |
|---|---|
| IT962474B (it) | 1973-12-20 |
| FR2146091A1 (en, 2012) | 1973-03-02 |
| ZA724629B (en) | 1973-03-28 |
| CA966427A (en) | 1975-04-22 |
| GB1353429A (en) | 1974-05-15 |
| NL7209560A (en, 2012) | 1973-01-18 |
| AU4438672A (en) | 1974-01-17 |
| FR2146091B1 (en, 2012) | 1976-05-28 |
| ES404908A1 (es) | 1975-06-16 |
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