AU167294B1 - Improvements in or relating to circuit arrangements for controlling electric loads - Google Patents
Improvements in or relating to circuit arrangements for controlling electric loadsInfo
- Publication number
- AU167294B1 AU167294B1 AU27028/54A AU2702854A AU167294B1 AU 167294 B1 AU167294 B1 AU 167294B1 AU 27028/54 A AU27028/54 A AU 27028/54A AU 2702854 A AU2702854 A AU 2702854A AU 167294 B1 AU167294 B1 AU 167294B1
- Authority
- AU
- Australia
- Prior art keywords
- relating
- circuit arrangements
- controlling electric
- electric loads
- loads
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/012—Automatic controllers electric details of the transmission means
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL324855X | 1953-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU167294B1 true AU167294B1 (en) | 1954-07-01 |
Family
ID=19784131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU27028/54A Expired AU167294B1 (en) | 1953-07-22 | 1954-04-28 | Improvements in or relating to circuit arrangements for controlling electric loads |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU167294B1 (en) |
| BE (1) | BE530540A (en) |
| CH (1) | CH324855A (en) |
| FR (1) | FR1105072A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2963638A (en) * | 1957-07-01 | 1960-12-06 | Hycon Mfg Company | Power regulator |
| US2986651A (en) * | 1956-08-09 | 1961-05-30 | Philips Corp | Trigger circuit-arrangement comprising two transistors |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3092757A (en) * | 1958-08-01 | 1963-06-04 | Forbro Design Inc | Circuit means for preventing spike or surges at the output of a power supply |
-
0
- BE BE530540D patent/BE530540A/xx unknown
-
1954
- 1954-04-28 AU AU27028/54A patent/AU167294B1/en not_active Expired
- 1954-07-20 CH CH324855D patent/CH324855A/en unknown
- 1954-07-20 FR FR1105072D patent/FR1105072A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2986651A (en) * | 1956-08-09 | 1961-05-30 | Philips Corp | Trigger circuit-arrangement comprising two transistors |
| US2963638A (en) * | 1957-07-01 | 1960-12-06 | Hycon Mfg Company | Power regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CH324855A (en) | 1957-10-15 |
| BE530540A (en) | |
| FR1105072A (en) | 1955-11-28 |
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