US3329965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trouble recorder
Assignee: TDK Micronas GmbH
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Filing: 1965-07-16
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Granted: 1967-07-04
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Avery Robert Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:31
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/08; H04M3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A TROUBLE RECORDER FOR AN AUTOMATIC TELEPHONE SYSTEM COMPRISING A PLURALITY OF MARKER CIRCUITS HAVING A PLURALITY OF ELECTRICAL EQUIPMENT THEREIN, A DISPLAY PANEL HAVING A SELF-DEVELOPING CAMERA FOCUSED THEREON, MEANS FOR DISPLAYING ON SAID PANEL THE ACTIVE OR INACTIVE CONDITIONS OF SAID EQUIPMENTS, MEANS RESPONSIVE TO TROUBLE CONDITIONS IN ANY ONE OF SAID MARKERS FOR COUPLING THE TROUBLED MARKER TO LIGHT LAMPS ON SAID PANEL, MEANS FOR THEREAFTER CAUSING SAID CAMERA TO MAKE A PICTURE OF THE DISPLAY PANEL, SAID EQUIPMENTS COMPRISE A PLURALITY OF RELAYS EACH HAVING AN EXTRA SET OF MONITOR CONTACTS THEREON AND SAID DISPLAY PANEL INCLUDES A PLURALITY OF LAMPS, EACH OF SAID LAMPS BEING CONNECTED TO A PARALLEL CIRCUIT INCLUDING THE MONITOR CONTACTS ON ALL CORRESPONDING RELAYS IN SAID MARKERS, WHEREBY SAID LAMPS LIGHT OR GO OUT RESPONSIVE TO THE ACTIVE OR INACTIVE CONDITION OF THE CORRESPONDING RELAYS, AND MEANS FOR SELECTING THE TROUBLED MARKER AND CONNECTING EACH LAMP IS SAID DISPLAY CIRCUIT TO THE TROUBLED MARKER WHILE LOCKING OUT THE PARALLEL CIRCUIT TO THE OTHER MARKERS.
Claim 2
Dependent Claim
173 words
A TROUBLE RECORDER FOR AN AUTOMATIC TELEPHONE SYSTEM COMPRISING A PLURALITY OF MARKER CIRCUITS HAVING A PLURALITY OF ELECTRICAL EQUIPMENT THEREIN, A DISPLAY PANEL HAVING A SELF-DEVELOPING CAMERA FOCUSED THEREON, MEANS FOR DISPLAYING ON SAID PANEL THE ACTIVE OR INACTIVE CONDITIONS OF SAID EQUIPMENTS, MEANS RESPONSIVE TO TROUBLE CONDITIONS IN ANY ONE OF SAID MARKERS FOR COUPLING THE TROUBLED MARKER TO LIGHT LAMPS ON SAID PANEL, MEANS FOR THEREAFTER CAUSING SAID CAMERA TO MAKE A PICTURE OF THE DISPLAY PANEL, SAID EQUIPMENTS COMPRISE A PLURALITY OF RELAYS EACH HAVING AN EXTRA SET OF MONITOR CONTACTS THEREON AND SAID DISPLAY PANEL INCLUDES A PLURALITY OF LAMPS, EACH OF SAID LAMPS BEING CONNECTED TO A PARALLEL CIRCUIT INCLUDING THE MONITOR CONTACTS ON ALL CORRESPONDING RELAYS IN SAID MARKERS, WHEREBY SAID LAMPS LIGHT OR GO OUT RESPONSIVE TO THE ACTIVE OR INACTIVE CONDITION OF THE CORRESPONDING RELAYS, AND MEANS FOR SELECTING THE TROUBLED MARKER AND CONNECTING EACH LAMP IS SAID DISPLAY CIRCUIT TO THE TROUBLED MARKER WHILE LOCKING OUT THE PARALLEL CIRCUIT TO THE OTHER MARKERS.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |