Patent US3310741A successfully refreshed from Google Patents.
US3310741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for alternately transmitting coded messages on a predetermined plurality of carrier frequencies from a plurality of transistors
Assignee: Government of Netherlands
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Filing: 1965-07-21
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Granted: 1967-03-21
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Expires: 1985-07-21
Abstract
No abstract record available.
Inventors
- 👤 Uitermark Gerardus Martinus
- 👤 Visser Rienk Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
H; H04; H04W; H04W68/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR COMMUNICATING MULTI-ELEMENT CODE SIGNALS FROM A PLURALITY OF TRANSMITTERS TO A PLURALITY OF RECEIVERS, COMPRISING: (A) SIMULTANEOUSLY TRANSMITTING DIFFERENT SIGNALS FROM ADJACENT TRANSMITTERS, EACH OF WHICH SIMULTANEOUSLY TRANSMITTED SIGNALS IS MODULATED ON A DIFFERENT CARRIER FREQUENCY, AND (B) SIMULTANEOUSLY SWITCHING SAID DIFFERENT CARRIER FREQUENCIES WITH THEIR MODULATED SIGNALS CYCLICALLY AMONG ADJACENT TRANSMITTERS AFTER SIMULTANEOUSLY TRANSMITTING AT LEAST ONE SIGNAL OVER EACH OF SAID TRANSMITTERS,
Claim 2
Independent Claim
67 words
A METHOD FOR COMMUNICATING MULTI-ELEMENT CODE SIGNALS FROM A PLURALITY OF TRANSMITTERS TO A PLURALITY OF RECEIVERS, COMPRISING: (A) SIMULTANEOUSLY TRANSMITTING DIFFERENT SIGNALS FROM ADJACENT TRANSMITTERS, EACH OF WHICH SIMULTANEOUSLY TRANSMITTED SIGNALS IS MODULATED ON A DIFFERENT CARRIER FREQUENCY, AND (B) SIMULTANEOUSLY SWITCHING SAID DIFFERENT CARRIER FREQUENCIES WITH THEIR MODULATED SIGNALS CYCLICALLY AMONG ADJACENT TRANSMITTERS AFTER SIMULTANEOUSLY TRANSMITTING AT LEAST ONE SIGNAL OVER EACH OF SAID TRANSMITTERS,
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |