US4158144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for the transmission of electrical supply power
Assignee: Siemens AG
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Filing: 1977-09-14
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Granted: 1979-06-12
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Expires: 1997-09-14
Abstract
Abstract A circuit arrangement is disclosed for the transmission of electrical supply outputs for low power devices which must be electrically separated from the mains supply. The circuit arrangement has at least one opto-electronic coupler with which low power can be transmitted with complete electrical separation. Accordingly, mains transformers can be replaced in low power operations.
Inventors
- 👤 Gerhard Krause
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:34
CPC Classifications
H; H02; H02M; H02M11/00; G; G04; G04C; G04C10/00; G04C10/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
101 words
A circuit arrangement for the transmission of electrical supply power from a mains to a low power electronic device to be energized, comprising: a primary side of the arrangement connected to the mains; a secondary side of the arrangement connected to the electronic device, said secondary side being electrically isolated from the primary side; at least one opto-electronic coupler coupling the primary and secondary sides, a receiver of the opto-electronic coupler operating as a photo-electric cell means for supplying electrical power to the secondary side; and in the secondary side a shunt regulator means being provided for stabilization of output voltage.
Claim 2
Dependent Claim
101 words
A circuit arrangement for the transmission of electrical supply power from a mains to a low power electronic device to be energized, comprising: a primary side of the arrangement connected to the mains; a secondary side of the arrangement connected to the electronic device, said secondary side being electrically isolated from the primary side; at least one opto-electronic coupler coupling the primary and secondary sides, a receiver of the opto-electronic coupler operating as a photo-electric cell means for supplying electrical power to the secondary side; and in the secondary side a shunt regulator means being provided for stabilization of output voltage.
Claim 3
Dependent Claim
157 words
A circuit arrangement according to claim 1, characterized in that between first and second output lines of the secondary side are connected a series circuit of a plurality of photoelectric cells and the shunt regulator means, said regulator means comprising two resistors in series having a middle tap connected to a base of a first transistor, an emitter of the first transistor being connected to the second line and whose collector is connected on the one hand via a resistor to the first line and on the other hand to a base of a second transistor, an emitter of the second transistor being connected to the second line and whose collector is connected on the one hand via a resistor to the first line and on the other hand to a base of a third transistor, an emitter of the third transistor being connected to the second line and whose collector is connected to the first line.
Claim 4
Dependent Claim
155 words
A circuit arrangement according to claim 1, characterized in that the shunt regulator means is connected between first and second output lines which also have a series circuit of a plurality of photoelectric cells connected therebetween, a middle tap between two of the photoelectric cells being connected to a base of a first transistor, an emitter of the first transistor being connected to the second line and whose collector is connected on the one hand via a resistor to the first line and on the other hand to a base of a second transistor, an emitter of the second transistor being connected to the second line and whose collector is connected on the one hand via a resistor to the first line and on the other hand to a base of a third transistor, an emitter of the third transistor being connected to the second line and whose collector is connected to the first line.
Claim 5
Dependent Claim
31 words
A circuit arrangement according to claim 1, characterized in that the shunt regulator means has a plurality of transistors integrated together with a plurality of photoelectric cells in a semiconductor crystal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-06-11 | 1982-12-11 | 1983-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-06-11 | 1986-12-11 | 1987-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-06-11 | 1990-12-11 | 1991-06-12 | $7700.00 | Window Closed / Lapsed |