US3073903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric pulse modulating and demodulating circuits
Assignee: International Standard Electric Corp
•
Filing: 1957-06-05
•
Granted: 1963-01-15
•
Expires: 1977-06-05
Abstract
No abstract record available.
Inventors
- 👤 Cattermole Kenneth William
- 👤 Herman Ralph Bertrand
- 👤 Bezdel Wincenty
- 👤 Darton Kenneth Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:36
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H04B1/58; H04B1/588; H04B14/00; H04B14/02; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/047; H04J3/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
214 words
A BOTHWAY ELECTRIC PULSE COMMUNICATION SYSTEM COMPRISING A FIRST STATION: A SECOND STATION REMOTE FROM SAID FIRST STATION: A TRANSMISSION CHANNEL COUPLED BETWEEN SAID STATIONS: EACH OF SAID STATIONS INCLUDING A PLURALITY OF LOCAL CIRCUITS, EACH HAVING A STORAGE CAPACITOR AND A PERIODICALLY CONTROLLED SWITCHING MEANS; AND AN INDUCTOR COUPLED TO SAID TRANSMISSION CHANNEL: AND MEANS TO CONTROL EACH OF SAID SWITCHING MEANS TO SEQUENTIALLY COUPLE EACH OF SAID STORAGE CAPACITORS OF SAID FIRST STATION TO SAID INDUCTOR OF SAID FIRST STATION AND TO SEQUENTIALLY COUPLE EACH OF SAID STORAGE CAPACITORS OF SAID SECOND STATION TO SAID INDUCTOR OF SAID SECOND STATION TO PROVIDE A COMMUNICATION PATH BETWEEN ONE OF SAID LOCAL CIRCUITS OF SAID FIRST STATION AND AN ASSOCIATED ONE OF SAID LOCAL CIRCUITS OF SAID SECOND STATION, WHEREBY SUBSTANTIALLY ALL THE ENERGY STORED IN A STORAGE CAPACITOR AT EITHER STATION IS TRANSMITTED OVER SAID TRANSMISSION CHANNEL AS ONE PULSE OF A PERIODICALLY RECURRING TRAIN OF PULSES TO A CORRESPONDING STORAGE CAPACITOR AT THE OTHER STATION, THE TRANSMITTED PULSE ENERGY BEING DISCHARGED FROM THE RECEIVING STORAGE CAPACITOR BEFORE RECEPTION OF THE NEXT PULSE OF THE TRAIN SO AS TO REFORM THE SIGNAL WAVE OF THE LOCAL CIRCUIT ASSOCIATED WITH THE SENDING STORAGE CAPACITOR IN THE LOCAL CIRCUIT ASSOCIATED WITH THE RECEIVING STORAGE CAPACITOR.
References Cited (Backward Citations)
US2801281A
Cited
US2659774A
Cited
US2718621A
Cited
US2815486A
Cited
US2691073A
Cited
US2881332A
Cited
US2810081A
Cited
US2870259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |