Patent US3084231A successfully refreshed from Google Patents.
US3084231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote testing arrangement
Assignee: AT&T Inc
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Filing: 1961-02-27
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Granted: 1963-04-02
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley T Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
H; H04; H04L; H04L43/00; H04L43/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A REMOTE TESTING ARRANGEMENT FOR A SUBSCRIBER FREQUENCY-SHIFT DATA TRANSCEIVER COMPRISING A CENTRAL TEST STATION, A REMOTELY LOCATED SUBSCRIBER''S DATA SET INCLUDING A TRANSMITTER AND A RECEIVER, A COMMON CONNECTION FOR THE OUTPUT OF SAID TRANSMITTER AND THE INPUT OF SAID RECEIVER, A PAIR OF WIRES INTERCONNECTING SAID CENTRAL STATION AND SAID COMMON CONNECTION, MEANS FOR TRANSMITTING AN ADJUSTABLE FREQUENCY TEST TONE OVER SAID PAIR OF WIRES FROM SAID CENTRAL STATION, A TEST RELAY IN SAID SUBSCRIBER''S SET FOR CONNECTING THE OUTPUT OF SAID RECEIVER TO THE INPUT OF SAID TRANSMITTER SUCH THAT AN OUTPUT SIGNAL FROM SAID RECEIVER CAUSES SAID TRANSMITTER TO OSCILLATE AT ONE OF TWO FREQUENCIES, SWITCH MEANS ON SAID SUBSCRIBER''S SET FOR MANUALLY OPERATING SAID TEST RELAY, A FURTHER CONNECTION FROM THE OUTPUT OF SAID RECEIVER TO SAID RELAY FOR HOLDING IT OPERATED UNDER THE CONTROL OF SAID TEST TONE, AND MEANS AT SAID CENTRAL STATION FOR DETECTING AND MEASURING THE FREQUENCIES RETURNED FROM SAID SUBSCRIBER''S SET AS SAID TEST TONE IS VARIED THROUGH ITS RANGE.
Claim 2
Dependent Claim
170 words
A REMOTE TESTING ARRANGEMENT FOR A SUBSCRIBER FREQUENCY-SHIFT DATA TRANSCEIVER COMPRISING A CENTRAL TEST STATION, A REMOTELY LOCATED SUBSCRIBER''S DATA SET INCLUDING A TRANSMITTER AND A RECEIVER, A COMMON CONNECTION FOR THE OUTPUT OF SAID TRANSMITTER AND THE INPUT OF SAID RECEIVER, A PAIR OF WIRES INTERCONNECTING SAID CENTRAL STATION AND SAID COMMON CONNECTION, MEANS FOR TRANSMITTING AN ADJUSTABLE FREQUENCY TEST TONE OVER SAID PAIR OF WIRES FROM SAID CENTRAL STATION, A TEST RELAY IN SAID SUBSCRIBER''S SET FOR CONNECTING THE OUTPUT OF SAID RECEIVER TO THE INPUT OF SAID TRANSMITTER SUCH THAT AN OUTPUT SIGNAL FROM SAID RECEIVER CAUSES SAID TRANSMITTER TO OSCILLATE AT ONE OF TWO FREQUENCIES, SWITCH MEANS ON SAID SUBSCRIBER''S SET FOR MANUALLY OPERATING SAID TEST RELAY, A FURTHER CONNECTION FROM THE OUTPUT OF SAID RECEIVER TO SAID RELAY FOR HOLDING IT OPERATED UNDER THE CONTROL OF SAID TEST TONE, AND MEANS AT SAID CENTRAL STATION FOR DETECTING AND MEASURING THE FREQUENCIES RETURNED FROM SAID SUBSCRIBER''S SET AS SAID TEST TONE IS VARIED THROUGH ITS RANGE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |