Patent US3097353A successfully refreshed from Google Patents.
US3097353A
Expired / Lapsed
US
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Output
Assignee: —
•
Filing: —
•
Granted: 1963-07-09
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Expires: 1980-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:07
CPC Classifications
H; H04; H04L; H04L5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A MULTI-PLEXING SYSTEM OF THE TYPE EMPLOYING A PLURALITY OF SELECTOR RELAYS TO CONNECT A SELECTED INPUT CHANNEL TO THE SYSTEM''S OUTPUT, FAULT DETECTING APPARATUS COMPRISING A COMPARISON RELAY, A DIFFERENTIAL AMPLIFIER FOR COMPARING THE CURRENT FLOWING THROUGH THE WINDING OF THE COMPARISON RELAY AND THE CURRENT FLOWING THROUGH THE WINDINGS OF THE SELECTOR RELAYS, THE DIFFERENTIAL AMPLIFIER DETERMINING WHEN AN UNBALANCE EAXISTS, MEANS PROVIDING AN INPUT ENABLING SIGNAL TO THE SYSTEM, FLIP-FLOP HAVING ONE INPUT COUPLED TO THE OUTPUT OF THE DIFFERENTIAL AMPLIFIER, SWITCHING MEANS RESPONSIVE TO THE ENABLING SIGNAL FOR CONNECTING A SOURCE OF CURRENT TO ALL THE RELAY WINDINGS, MEANS FOR GATING THE ENABLING SIGNAL TO THE SWITCHING MEANS, AND THE FLIP-FLOP BEING CONNECTED TO INHIBIT THE GATING MEANS IN RESPONSE TO AN OUTPUT FROM THE DIFFERENTIAL AMPLIFIER CAUSED BY AN UNBALANCE.
Claim 2
Dependent Claim
136 words
IN A MULTI-PLEXING SYSTEM OF THE TYPE EMPLOYING A PLURALITY OF SELECTOR RELAYS TO CONNECT A SELECTED INPUT CHANNEL TO THE SYSTEM''S OUTPUT, FAULT DETECTING APPARATUS COMPRISING A COMPARISON RELAY, A DIFFERENTIAL AMPLIFIER FOR COMPARING THE CURRENT FLOWING THROUGH THE WINDING OF THE COMPARISON RELAY AND THE CURRENT FLOWING THROUGH THE WINDINGS OF THE SELECTOR RELAYS, THE DIFFERENTIAL AMPLIFIER DETERMINING WHEN AN UNBALANCE EAXISTS, MEANS PROVIDING AN INPUT ENABLING SIGNAL TO THE SYSTEM, FLIP-FLOP HAVING ONE INPUT COUPLED TO THE OUTPUT OF THE DIFFERENTIAL AMPLIFIER, SWITCHING MEANS RESPONSIVE TO THE ENABLING SIGNAL FOR CONNECTING A SOURCE OF CURRENT TO ALL THE RELAY WINDINGS, MEANS FOR GATING THE ENABLING SIGNAL TO THE SWITCHING MEANS, AND THE FLIP-FLOP BEING CONNECTED TO INHIBIT THE GATING MEANS IN RESPONSE TO AN OUTPUT FROM THE DIFFERENTIAL AMPLIFIER CAUSED BY AN UNBALANCE.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |