Patent US3280309A successfully refreshed from Google Patents.
US3280309A
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Logarithmic pulse counter
Assignee: Electro Optical Systems Inc
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Filing: 1963-06-28
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Granted: 1966-10-18
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
- 👤 Robert D Villwock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:35
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/544; G06F7/556
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
LOGARITHMIC PULSE COUNTER APPARATUS COMPRISING: A FIRST COUNTER NETWORK FOR PRESENTING AN OUTPUT NUMBER IN BINARY-CODED FROM EQUAL TO THE NUMBER OF PULSES APPLIED TO THE APPARATUS MULTIPLIED BY ONE OF SEVERAL PRESELECTED FACTORS, SAID NETWORK HAVING A FIRST PLURALITY OF OUTPUTS WHEREAT SAID OUTPUT NUMBER IS PRESENTED AND A SECOND PLURALITY OF INPUTS TO WHICH SAID PULSES ARE SELECTIVELY APPLIED, THE FACTOR BY WHICH THE NUMBER OF INPUT PULSES IS MULTIPLIED DEPENDING ON WHICH ONE OF THE INPUTS THE PULSES ARE FED TO; A LOGIC NETWORK COUPLED TO RECEIVE THE BINARY CODED OUTPUT FROM SAID COUNTER NETWORK AND OPERABLE IN RESPONSE THERETO TO PRODUCE A BINARY-CODED OUTPUT SIGNAL THAT IS SUBSTANTIALLY EQUAL TO THE MANTISSA OF THE LOGARITHM TO THE BASE 2 OF OUTPUT NUMBER; AND A
Claim 2
Dependent Claim
128 words
LOGARITHMIC PULSE COUNTER APPARATUS COMPRISING: A FIRST COUNTER NETWORK FOR PRESENTING AN OUTPUT NUMBER IN BINARY-CODED FROM EQUAL TO THE NUMBER OF PULSES APPLIED TO THE APPARATUS MULTIPLIED BY ONE OF SEVERAL PRESELECTED FACTORS, SAID NETWORK HAVING A FIRST PLURALITY OF OUTPUTS WHEREAT SAID OUTPUT NUMBER IS PRESENTED AND A SECOND PLURALITY OF INPUTS TO WHICH SAID PULSES ARE SELECTIVELY APPLIED, THE FACTOR BY WHICH THE NUMBER OF INPUT PULSES IS MULTIPLIED DEPENDING ON WHICH ONE OF THE INPUTS THE PULSES ARE FED TO; A LOGIC NETWORK COUPLED TO RECEIVE THE BINARY CODED OUTPUT FROM SAID COUNTER NETWORK AND OPERABLE IN RESPONSE THERETO TO PRODUCE A BINARY-CODED OUTPUT SIGNAL THAT IS SUBSTANTIALLY EQUAL TO THE MANTISSA OF THE LOGARITHM TO THE BASE 2 OF OUTPUT NUMBER; AND A
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |