US3363064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix means circuit tester
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1965-02-08
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Granted: 1968-01-09
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Sperlich Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
H; H04; H04Q; H04Q3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A CIRCUIT ARRANGEMENT FOR TESTING SWITCHING ELEMENTS TO DETEREMINE THEIR CONDITION, SAID CIRCUIT ARRANGEMENT COMPRISING, IN COMBINATION: A PLURALITY OF SWITCHING ELEMENTS ARRANGED IN A MATRIX WHICH IS DIVIDED INTO PARTIAL MATRICES, EACH CONTAINING AN EQUAL PLURALITY OF SUCH SWITCHING ELEMENTS; A TEST MATRIX, INCLUDING A PLURALITY OF TEST CIRCUITS EQUAL IN NUMBER TO THE NUMBER OF SWITCHING ELEMENTS IN EACH PARTIAL MATRIX, EACH FOR TESTING THE CONDITION OF A RESPECTIVE ONE OF THE SWITCHING ELEMENTS IN EACH SAID PARTIAL MATRIX; AND SWITCHING MATRIX MEANS FOR SELECTING ONE OF SAID PARTIAL MATRICES TO BE TESTED.
Claim 2
Dependent Claim
95 words
A CIRCUIT ARRANGEMENT FOR TESTING SWITCHING ELEMENTS TO DETEREMINE THEIR CONDITION, SAID CIRCUIT ARRANGEMENT COMPRISING, IN COMBINATION: A PLURALITY OF SWITCHING ELEMENTS ARRANGED IN A MATRIX WHICH IS DIVIDED INTO PARTIAL MATRICES, EACH CONTAINING AN EQUAL PLURALITY OF SUCH SWITCHING ELEMENTS; A TEST MATRIX, INCLUDING A PLURALITY OF TEST CIRCUITS EQUAL IN NUMBER TO THE NUMBER OF SWITCHING ELEMENTS IN EACH PARTIAL MATRIX, EACH FOR TESTING THE CONDITION OF A RESPECTIVE ONE OF THE SWITCHING ELEMENTS IN EACH SAID PARTIAL MATRIX; AND SWITCHING MATRIX MEANS FOR SELECTING ONE OF SAID PARTIAL MATRICES TO BE TESTED.
References Cited (Backward Citations)
US2978641A
Cited
US3160852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |