US3252080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digitally adjustable attenuator
Assignee: Honeywell Inc
•
Filing: 1963-05-13
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Granted: 1966-05-17
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Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 William F Newbold
- 👤 Robert D Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/24; G; G01; G01R; G01R1/00; G01R1/28; G06; G06G; G06G7/00; G06G7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
VOLTAGE CONDITIONING APPARATUS, COMPRISING A PAIR OF INPUT TERMINALS ARRANGED FOR CONNECTION TO A SOURCE OF INPUT VOLTAGE, A PAIR OF OUTPUT TERMINALS, A SUPPRESSION VOLTAGE DEVICE HAVING A PAIR OF SUPPRESSION TERMINALS AND ADJUSTABLE MEANS PRODUCING BETWEEN SAID SUPPRESSION TERMINALS A SUPPRESSION VOLTAGE OF A VALUE DEPENDENT UPON THE ADJUSTMENT OF SAID ADJUSTABLE MEANS, MEANS CONNECTING SAID SUPPRESSION TERMINALS IN A SERIES LOOP CIRCUIT WITH SAID INPUT AND OUTPUT TERMINALS, A FIRST ADJUSTABLE VOLTAGE ATTENUATOR CONNECTED IN SAID CIRCUIT BETWEEN SAID INPUT TERMINALS AND SAID SUPPRESSION TERMINALS FOR ATTENUATING SOLELY SAID INPUT VOLTAGE BY AN AMOUNT DEPENDENT UPON THE ADJUSTMENT OF SAID FIRST ATTENUATOR, AND A SECOND ADJUSTABLE VOLTAGE ATTENUATOR CONNECTED IN SAID CIRCUIT BETWEEN SAID SUPPRESSION TERMINALS AND SAID OUTPUT TERMINALS FOR ATTENUATING THE RESULTANT OF SAID ATTENUATED INPUT AND SUPPRESSION VOLTAGES BY AN AMOUNT DEPENDENT UPON THE ADJUSTMENT OF SAID SECOND ATTENUATOR.
Claim 2
Dependent Claim
145 words
VOLTAGE CONDITIONING APPARATUS, COMPRISING A PAIR OF INPUT TERMINALS ARRANGED FOR CONNECTION TO A SOURCE OF INPUT VOLTAGE, A PAIR OF OUTPUT TERMINALS, A SUPPRESSION VOLTAGE DEVICE HAVING A PAIR OF SUPPRESSION TERMINALS AND ADJUSTABLE MEANS PRODUCING BETWEEN SAID SUPPRESSION TERMINALS A SUPPRESSION VOLTAGE OF A VALUE DEPENDENT UPON THE ADJUSTMENT OF SAID ADJUSTABLE MEANS, MEANS CONNECTING SAID SUPPRESSION TERMINALS IN A SERIES LOOP CIRCUIT WITH SAID INPUT AND OUTPUT TERMINALS, A FIRST ADJUSTABLE VOLTAGE ATTENUATOR CONNECTED IN SAID CIRCUIT BETWEEN SAID INPUT TERMINALS AND SAID SUPPRESSION TERMINALS FOR ATTENUATING SOLELY SAID INPUT VOLTAGE BY AN AMOUNT DEPENDENT UPON THE ADJUSTMENT OF SAID FIRST ATTENUATOR, AND A SECOND ADJUSTABLE VOLTAGE ATTENUATOR CONNECTED IN SAID CIRCUIT BETWEEN SAID SUPPRESSION TERMINALS AND SAID OUTPUT TERMINALS FOR ATTENUATING THE RESULTANT OF SAID ATTENUATED INPUT AND SUPPRESSION VOLTAGES BY AN AMOUNT DEPENDENT UPON THE ADJUSTMENT OF SAID SECOND ATTENUATOR.
References Cited (Backward Citations)
US2738504A
Cited
US2999202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |