US3242480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination of n of m tones code generator
Assignee: Motorola Solutions Inc
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Filing: 1963-07-03
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Granted: 1966-03-22
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Expires: 1983-07-03
Abstract
No abstract record available.
Inventors
- 👤 Donald L Walker
- 👤 Saltzberg Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:03
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/26; H04L27/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SYSTEM FOR SELECTING ALL OF THE DIFFERENT COMBINATIONS OF N ELEMENTS FROM A GROUP OF M ELEMENTS WHERE N AND M ARE INTEGERS AND M IS GREATER THAN N, SUCH SYSTEM INCLUDING IN COMBINATION, BINARY COUNTER MEANS HAVING M REGISTERS, EACH OF SAID REGISTERS BEING CAPABLE OF ASSUMING A 0 OR 1 STATE, MEANS FOR GENERATING CLOCK PULSES COUPLED TO SAID COUNTER MEANS FOR CAUSING THE SAME TO ASSUME ALL OF ITS POSSIBLE STATES FROM 0 TO 2M-1, MEANS COUPLED TO EACH OF SAID REGISTERS AND RESPONSIVE THERETO TO GENERATE A CONTROL SIGNAL WHEN N AND ONLY N OF SAID REGISTERS ARE IN A 1 STATE, SAID CLOCK MEANS BEING COUPLED TO SAID CONTROL SIGNAL GENERATING MEANS AND BEING RESPONSIVE THERETO TO CAUSE SAID CLOCK PULSES TO BE INHIBITED WHEN SAID CONTROL SIGNAL IS PRESENT WHEREBY SAID COUNTER MEANS REMAINS IN ITS EXISTING STATE.
Claim 2
Independent Claim
145 words
A SYSTEM FOR SELECTING ALL OF THE DIFFERENT COMBINATIONS OF N ELEMENTS FROM A GROUP OF M ELEMENTS WHERE N AND M ARE INTEGERS AND M IS GREATER THAN N, SUCH SYSTEM INCLUDING IN COMBINATION, BINARY COUNTER MEANS HAVING M REGISTERS, EACH OF SAID REGISTERS BEING CAPABLE OF ASSUMING A 0 OR 1 STATE, MEANS FOR GENERATING CLOCK PULSES COUPLED TO SAID COUNTER MEANS FOR CAUSING THE SAME TO ASSUME ALL OF ITS POSSIBLE STATES FROM 0 TO 2M-1, MEANS COUPLED TO EACH OF SAID REGISTERS AND RESPONSIVE THERETO TO GENERATE A CONTROL SIGNAL WHEN N AND ONLY N OF SAID REGISTERS ARE IN A 1 STATE, SAID CLOCK MEANS BEING COUPLED TO SAID CONTROL SIGNAL GENERATING MEANS AND BEING RESPONSIVE THERETO TO CAUSE SAID CLOCK PULSES TO BE INHIBITED WHEN SAID CONTROL SIGNAL IS PRESENT WHEREBY SAID COUNTER MEANS REMAINS IN ITS EXISTING STATE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |