US3124749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conelrad-broadcast station control device
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:04
CPC Classifications
G; G08; G08B; G08B27/00; G08B27/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN EMERGENCY WARNING SYSTEM FOR AUDIBLY INFORMING THE GENERAL PUBLIC OF AN IMPENDING NATIONAL EMERGENCY COMPRISING: A TRANSMITTER FOR TRANSMITTING SIGNALS; A RECEIVER BEING RESPONSIVE TO SAID SIGNALS; AND A CONTROL UNIT CONNECTED TO SAID TRANSMITTER FOR SEQUENTIALLY DISABLING SAID TRANSMITTER IN ACCORDANCE WITH A PREDETERMINED SIGNAL CODE AND FOR MODULATING SAID SIGNALS DURING A PREDETERMINED INTERVAL OF SAID SIGNAL CODE; SAID CONTROL UNIT INCLUDING A FREQUENCY DEVELOPING MEANS, AT LEAST TWO SWITCHES, ONE FOR SEQUENTIALLY DISABLING SAID TRANSMITTER IN ACCORDANCE WITH SAID SIGNAL CODE AND ANOTHER FOR COUPLING THE OUTPUT OF SAID FREQUENCY DEVELOPING MEANS TO SAID TRANSMITTER DURING SAID PREDETERMINED INTERVAL OF SAID SIGNAL CODE; SAID SIGNAL CODE COMPRISING TWO FIVE SECOND INTERVALS OF NON-TRANSMISSION OF SAID SIGNALS SEPARATED BY A FIVE SECOND INTERVAL OF TRANSMISSION OF SAID SIGNALS AND FOLLOWED BY A FIFTEEN SECOND INTERVAL OF TRANSMISSION OF SAID SIGNALS MODULATED WITH THE OUTPUT OF SAID FREQUENCY
Claim 2
Dependent Claim
150 words
AN EMERGENCY WARNING SYSTEM FOR AUDIBLY INFORMING THE GENERAL PUBLIC OF AN IMPENDING NATIONAL EMERGENCY COMPRISING: A TRANSMITTER FOR TRANSMITTING SIGNALS; A RECEIVER BEING RESPONSIVE TO SAID SIGNALS; AND A CONTROL UNIT CONNECTED TO SAID TRANSMITTER FOR SEQUENTIALLY DISABLING SAID TRANSMITTER IN ACCORDANCE WITH A PREDETERMINED SIGNAL CODE AND FOR MODULATING SAID SIGNALS DURING A PREDETERMINED INTERVAL OF SAID SIGNAL CODE; SAID CONTROL UNIT INCLUDING A FREQUENCY DEVELOPING MEANS, AT LEAST TWO SWITCHES, ONE FOR SEQUENTIALLY DISABLING SAID TRANSMITTER IN ACCORDANCE WITH SAID SIGNAL CODE AND ANOTHER FOR COUPLING THE OUTPUT OF SAID FREQUENCY DEVELOPING MEANS TO SAID TRANSMITTER DURING SAID PREDETERMINED INTERVAL OF SAID SIGNAL CODE; SAID SIGNAL CODE COMPRISING TWO FIVE SECOND INTERVALS OF NON-TRANSMISSION OF SAID SIGNALS SEPARATED BY A FIVE SECOND INTERVAL OF TRANSMISSION OF SAID SIGNALS AND FOLLOWED BY A FIFTEEN SECOND INTERVAL OF TRANSMISSION OF SAID SIGNALS MODULATED WITH THE OUTPUT OF SAID FREQUENCY
References Cited (Backward Citations)
FR707702A
Cited
US2225464A
Cited
US2280421A
Cited
US2459281A
Cited
US2728074A
Cited
US2879383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |