Patent US3399310A successfully refreshed from Google Patents.
US3399310A
Expired / Lapsed
US
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Electronic synchronizing pulse transmitter
Assignee: Siemens AG
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Filing: 1965-10-22
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Granted: 1968-08-27
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Vogler Werner
- 👤 Lutge Heinz
- 👤 Michael Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:26
CPC Classifications
H; H02; H02J; H02J3/00; H02J3/38; H02J3/40; H02J3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN ELECTRONIC SYNCHRONIZING PULSE TRANSMITTER FOR CONTROLLING THE PARALLEL SWITCHING OF AN ALTERNATOR ONTO AN ALTERNATING-CURRENT LINE, COMPRISING ERROR VOLTAGE SUPPLY MEANS FOR SUPPLYING A BEAT-FREQUENCY VOLTAGE CORRESPONDING TO THE DIFFERENCE BETWEEN LINE VOLTAGE AND ALTERNATOR VOLTAGE, A CAPACITOR CIRCUIT HAVING A CAPACITOR AND HAVING MEANS CONNECTED TO SAID CAPACITOR FOR REVERSELY CHARGING IT WITHIN A GIVEN TOTAL REVERSE CHARGING PERIOD CORRESPONDING TO A BEAT-FREQUENCY OF NOT MORE THAN ABOUT 0.5 C.P.S., COMPARATOR MEANS CONNECTED TO SAID ERROR VOLTAGE SUPPLY MEANS AND SAID CAPACITOR CIRCUIT MEANS FOR COMPARING THE TIME SPACING OF THE BEATFREQUENCY NODES OF SAID ERROR VOLTAGE WITH SAID CHARGING PERIOD, AND PULSE RELEASE MEANS CONNECTED TO SAID COMPARATOR MEANS FOR RELEASING A SWITCHING COMMAND IN RESPONSE TO SAID NODE SPACING BEING LONGER THAN SAID TOTAL REVERSE CHARGING PERIOD OF SAID CAPACITOR.
Claim 2
Dependent Claim
134 words
AN ELECTRONIC SYNCHRONIZING PULSE TRANSMITTER FOR CONTROLLING THE PARALLEL SWITCHING OF AN ALTERNATOR ONTO AN ALTERNATING-CURRENT LINE, COMPRISING ERROR VOLTAGE SUPPLY MEANS FOR SUPPLYING A BEAT-FREQUENCY VOLTAGE CORRESPONDING TO THE DIFFERENCE BETWEEN LINE VOLTAGE AND ALTERNATOR VOLTAGE, A CAPACITOR CIRCUIT HAVING A CAPACITOR AND HAVING MEANS CONNECTED TO SAID CAPACITOR FOR REVERSELY CHARGING IT WITHIN A GIVEN TOTAL REVERSE CHARGING PERIOD CORRESPONDING TO A BEAT-FREQUENCY OF NOT MORE THAN ABOUT 0.5 C.P.S., COMPARATOR MEANS CONNECTED TO SAID ERROR VOLTAGE SUPPLY MEANS AND SAID CAPACITOR CIRCUIT MEANS FOR COMPARING THE TIME SPACING OF THE BEATFREQUENCY NODES OF SAID ERROR VOLTAGE WITH SAID CHARGING PERIOD, AND PULSE RELEASE MEANS CONNECTED TO SAID COMPARATOR MEANS FOR RELEASING A SWITCHING COMMAND IN RESPONSE TO SAID NODE SPACING BEING LONGER THAN SAID TOTAL REVERSE CHARGING PERIOD OF SAID CAPACITOR.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |