US3723847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor system redundant control arrangement
Assignee: Alcatel Lucent SAS
•
Filing: 1971-07-01
•
Granted: 1973-03-27
•
Expires: 1991-07-01
Abstract
Abstract An arrangement for controlling the operation of a series, parallel, or series-parallel connected assembly of semiconductor devices comprising at least two generators for providing control signals at respective predetermined control frequencies and controlled by a common source, and a respective general control circuit supplied with the control signals by each generator and being at least in part tuned to the respective predetermined control frequency, each general control circuit being arranged to supply the control signals simultaneously to all the semiconductor devices.
Inventors
- 👤 J Chaupit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/08; H02M1/088; H02M1/092
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
101 words
An arrangement for controlling the operation of a connected assembly of semiconductor devices comprising at least first and second generator means for providing control signals at respective predetermined control frequencies, a common source controlling said first and second generator means, and respective first and second general contRol circuit means supplied with the control signals from said first and second generator means and being at least in part tuned to the respective predetermined control frequencies for supplying said control signals simultaneously to all of the semiconductor devices connected to that part of said control circuit means tuned to said predetermined control frequency.
Claim 2
Dependent Claim
101 words
An arrangement for controlling the operation of a connected assembly of semiconductor devices comprising at least first and second generator means for providing control signals at respective predetermined control frequencies, a common source controlling said first and second generator means, and respective first and second general contRol circuit means supplied with the control signals from said first and second generator means and being at least in part tuned to the respective predetermined control frequencies for supplying said control signals simultaneously to all of the semiconductor devices connected to that part of said control circuit means tuned to said predetermined control frequency.
Claim 3
Dependent Claim
23 words
A control arrangement as claimed in claim 1 wherein the control frequencies of both said first and second generator means are substantially equal.
Claim 4
Dependent Claim
84 words
A control arrangement as claimed in claim 1, the assembly of semiconductor devices comprising a number of subassemblies, and wherein said first and second general control circuit means each include a control circuit associated with each subassembly, each such subassembly control circuit being tuned to a predetermined control frequency and being connected to apply a control signal from said respective first and second generator means at the frequency to which it is tuned simultaneously to all of the semiconductor devices of the associated subassembly.
Claim 5
Dependent Claim
110 words
A control arrangement as claimed in claim 3, wherein each subassembly control circuit save one includes a control transformer, an electric cable threading the magnetic circuit of the control transformer, and a capacitance connected in series with the cable, the secondary winding of the associated section transformer and the primary winding of the succeeding section transformer, said one subassembly control circuit being that associated with the final section transformer of the cascade and which includes a control transformer, an electric cable threading the magnetic circuit of the control transformer and a capacitance connected in series with the cable and the secondary winding of the final section transformer of the cascade.
Claim 6
Dependent Claim
48 words
A control arrangement as claimed in claim 3, wherein each subassembly control circuit includes the control transformer, an electric cable threading the magnetic circuit of the control transformer and a capacitance, the cable and capacitance being connected in parallel with the secondary winding of the associated section transformer.
Claim 7
Dependent Claim
66 words
A control arrangement as claimed in claim 3, wherein each subassembly control circuit includes a control transformer, an electric cable threading the magnetic circuit of the control transformer and a capacitance, the cable and capacitance being connected in series with each other and in series with the cables and capacitances of all other subassembly control circuits across the generator output to constitute said control circuit means.
Claim 8
Dependent Claim
30 words
The control arrangement as claimed in claim 6, wherein each subassembly control circuit includes a single control transformer having a separate secondary winding for each semiconductor device of the subassembly.
Claim 9
Dependent Claim
48 words
A control arrangement as claimed in claim 6, wherein each subassembly control circuit includes at least two control transformers each having a separate secondary winding for at least one semiconductor device of the subassembly, the magnetic circuits of said control transformers being threaded by a common electric cable.
Claim 10
Dependent Claim
69 words
A control arrangement as claimed in claim 7, wherein each secondary winding of each control transformer is center-tapped and the associated rectifier circuit comprises a pair of semiconductor rectifier diodes having their first electrodes connected together to a first output terminal of the rectifier circuit and their second electrodes connected to respective ends of the secondary winding, the center tap being connected to a second rectifier circuit output terminal.
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |