FR2142756B1 - - Google Patents
Info
- Publication number
- FR2142756B1 FR2142756B1 FR7123094A FR7123094A FR2142756B1 FR 2142756 B1 FR2142756 B1 FR 2142756B1 FR 7123094 A FR7123094 A FR 7123094A FR 7123094 A FR7123094 A FR 7123094A FR 2142756 B1 FR2142756 B1 FR 2142756B1
- 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
- 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
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
-
- 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
- H03K17/68—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 specially adapted for switching AC currents or voltages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7123094A FR2142756B1 (enFirst) | 1971-06-24 | 1971-06-24 | |
| CH874772A CH565484A5 (enFirst) | 1971-06-24 | 1972-06-12 | |
| GB2757872A GB1399524A (en) | 1971-06-24 | 1972-06-13 | Alternating current amplitude responsive gating device |
| BE784826A BE784826A (fr) | 1971-06-24 | 1972-06-14 | Dispositif de commande de courant alternatif sur circuit comportant un transformateur |
| NL7208460A NL7208460A (enFirst) | 1971-06-24 | 1972-06-21 | |
| DE19722230652 DE2230652A1 (de) | 1971-06-24 | 1972-06-22 | Vorrichtung zur Steuerung des in einer einen Transformator aufweisenden Schaltung fliessenden Wechselstroms |
| IT2608972A IT959928B (it) | 1971-06-24 | 1972-06-23 | Dispositivo di comando di corrente alternata su circuito che comporta un trasformatore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7123094A FR2142756B1 (enFirst) | 1971-06-24 | 1971-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2142756A1 FR2142756A1 (enFirst) | 1973-02-02 |
| FR2142756B1 true FR2142756B1 (enFirst) | 1974-03-08 |
Family
ID=9079254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7123094A Expired FR2142756B1 (enFirst) | 1971-06-24 | 1971-06-24 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE784826A (enFirst) |
| CH (1) | CH565484A5 (enFirst) |
| DE (1) | DE2230652A1 (enFirst) |
| FR (1) | FR2142756B1 (enFirst) |
| GB (1) | GB1399524A (enFirst) |
| IT (1) | IT959928B (enFirst) |
| NL (1) | NL7208460A (enFirst) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0646902A3 (en) * | 1988-12-06 | 1995-06-07 | Boral Johns Perry Ind Pty Ltd | Device for receiving and transmitting a plurality of parallel signals. |
-
1971
- 1971-06-24 FR FR7123094A patent/FR2142756B1/fr not_active Expired
-
1972
- 1972-06-12 CH CH874772A patent/CH565484A5/xx not_active IP Right Cessation
- 1972-06-13 GB GB2757872A patent/GB1399524A/en not_active Expired
- 1972-06-14 BE BE784826A patent/BE784826A/xx unknown
- 1972-06-21 NL NL7208460A patent/NL7208460A/xx unknown
- 1972-06-22 DE DE19722230652 patent/DE2230652A1/de active Pending
- 1972-06-23 IT IT2608972A patent/IT959928B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CH565484A5 (enFirst) | 1975-08-15 |
| NL7208460A (enFirst) | 1972-12-28 |
| BE784826A (fr) | 1972-12-14 |
| DE2230652A1 (de) | 1972-12-28 |
| GB1399524A (en) | 1975-07-02 |
| FR2142756A1 (enFirst) | 1973-02-02 |
| IT959928B (it) | 1973-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |