Patent US3305769A successfully refreshed from Google Patents.
US3305769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Network for extending the range of a voltage divider
Assignee: JULIE RES LAB Inc
•
Filing: 1963-10-14
•
Granted: 1967-02-21
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Julie Loebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:11
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A RATIO DIVIDER FOR EXTENDING THE RANGE OF A VOLTAGE DIVIDER SYSTEM HAVING AN INPUT OF FIXED VALUE IMPEDANCE AND COMPRISING, A FIRST RESISTOR SYNTHESIZED BY A SERIES OF RESISTORS EACH OF SPECIFIED INTEGRAL MULTIPLE VALUE OF SAID INPUT IMPEDANCE, A FIRST SET OF PLURALITY OF RESISTORS EACH OF PROGRESSIVELY DECREASING DECIMAL VALUES WITH RESPECT TO THE VALUE OF SAID DIVIDER INPUT IMPEDANCE, MEANS FOR CONNECTING INDIVIDUAL ONES OF SAID RESISTORS OF SAID FIRST SET IN PARALLEL ACROSS SAID DIVIDER INPUT, SAID FIRST RESISTOR BEING IN SERIES WITH THE PARALLEL COMBINATION OF THE DIVIDER INPUT AND THE FIRST SET RESISTORS IN PARALLEL THEREWITH, AND EACH RESISTOR OF SAID FIRST SET IS SYNTHESIZED BY PARALLEL COMBINATIONS OF RESISTORS EACH HAVING VALUES WHICH ARE SELECTED RATIOS OF MULTIPLES OF TEN OF SAID DIVIDER INPUT IMPEDANCE, SAID SYNTHESIZED RESISTORS ARE FURTHER CHARACTERIZED BY IMPEDANCE VALUES CALIBRATED BY ACCUMULATIVE INTERCOMPARISONS WHILE EMPLOYING SAID DIVIDER INPUT AS THE INITIAL STANDARD, WHEREIN THE RANGE OF SAID DIVIDER IS VARIABLE BY DECIMAL MULTIPLES AS RESPECTIVE RESISTORS OF SAID FIRST SET ARE IMPRESSED ACROSS SAID DIVIDER INPUT.
Claim 2
Dependent Claim
179 words
A RATIO DIVIDER FOR EXTENDING THE RANGE OF A VOLTAGE DIVIDER SYSTEM HAVING AN INPUT OF FIXED VALUE IMPEDANCE AND COMPRISING, A FIRST RESISTOR SYNTHESIZED BY A SERIES OF RESISTORS EACH OF SPECIFIED INTEGRAL MULTIPLE VALUE OF SAID INPUT IMPEDANCE, A FIRST SET OF PLURALITY OF RESISTORS EACH OF PROGRESSIVELY DECREASING DECIMAL VALUES WITH RESPECT TO THE VALUE OF SAID DIVIDER INPUT IMPEDANCE, MEANS FOR CONNECTING INDIVIDUAL ONES OF SAID RESISTORS OF SAID FIRST SET IN PARALLEL ACROSS SAID DIVIDER INPUT, SAID FIRST RESISTOR BEING IN SERIES WITH THE PARALLEL COMBINATION OF THE DIVIDER INPUT AND THE FIRST SET RESISTORS IN PARALLEL THEREWITH, AND EACH RESISTOR OF SAID FIRST SET IS SYNTHESIZED BY PARALLEL COMBINATIONS OF RESISTORS EACH HAVING VALUES WHICH ARE SELECTED RATIOS OF MULTIPLES OF TEN OF SAID DIVIDER INPUT IMPEDANCE, SAID SYNTHESIZED RESISTORS ARE FURTHER CHARACTERIZED BY IMPEDANCE VALUES CALIBRATED BY ACCUMULATIVE INTERCOMPARISONS WHILE EMPLOYING SAID DIVIDER INPUT AS THE INITIAL STANDARD, WHEREIN THE RANGE OF SAID DIVIDER IS VARIABLE BY DECIMAL MULTIPLES AS RESPECTIVE RESISTORS OF SAID FIRST SET ARE IMPRESSED ACROSS SAID DIVIDER INPUT.
References Cited (Backward Citations)
US2167162A
Cited
US1617145A
Cited
US2157973A
Cited
US2876417A
Cited
US2874354A
Cited
US2813987A
Cited
US2999202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |