US3421145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic processor which performs switching operations between plural transmitters in response to circuit conditions
Assignee: Italtel SpA
•
Filing: 1965-08-04
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Granted: 1969-01-07
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Luigi Sarati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
G; G08; G08C; G08C17/00; H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03K; H03K3/00; H03K3/02; H03K3/027; H04; H04B; H04B1/00; H04B1/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ELECTRONIC COMPUTER FOR PERFORMING SWITCHING OPERATIONS AND ALARM OPERATIONS IN A TRANSMITTER-RECEIVER SYSTEM, SAID SYSTEM INCLUDING A FIRST TRANSMITTER, A SECOND TRANSMITTER, A RECEIVER RESPONSIVE TO SAID COMPUTER FOR CONNECTING ONE OF SAID TRANSMITTERS TO SAID RECEIVER, AN ALARM, EACH SAID TRANSMITTER INCLUDING POWERLOSS INDICATING MEANS AND CONTINUITY-LOSS INDICATING MEANS, SAID AND SAID RECEIVER INCLUDING AN ERROR INDICATING MEANS, SAID COMPUTER INCLUDING MEANS RESPONSIVE TO SAID POWER-LOSS INDICATING MEANS, SAID CONTINUITY-LOSS INDICATING MEANS AND SAID ERROR INDICATING MEANS TO OPERATE ONE OF SAID SWITCH AND SAID ALARM ACCORDING TO BOOLEAN ALGEBRA EQUATION:
Claim 2
Dependent Claim
93 words
AN ELECTRONIC COMPUTER FOR PERFORMING SWITCHING OPERATIONS AND ALARM OPERATIONS IN A TRANSMITTER-RECEIVER SYSTEM, SAID SYSTEM INCLUDING A FIRST TRANSMITTER, A SECOND TRANSMITTER, A RECEIVER RESPONSIVE TO SAID COMPUTER FOR CONNECTING ONE OF SAID TRANSMITTERS TO SAID RECEIVER, AN ALARM, EACH SAID TRANSMITTER INCLUDING POWERLOSS INDICATING MEANS AND CONTINUITY-LOSS INDICATING MEANS, SAID AND SAID RECEIVER INCLUDING AN ERROR INDICATING MEANS, SAID COMPUTER INCLUDING MEANS RESPONSIVE TO SAID POWER-LOSS INDICATING MEANS, SAID CONTINUITY-LOSS INDICATING MEANS AND SAID ERROR INDICATING MEANS TO OPERATE ONE OF SAID SWITCH AND SAID ALARM ACCORDING TO BOOLEAN ALGEBRA EQUATION:
References Cited (Backward Citations)
US2655646A
Cited
US2806944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |