Patent US3175189A successfully refreshed from Google Patents.
US3175189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Random sequence switching system with lockout means
Assignee: Motorola Solutions Inc
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Filing: 1960-06-06
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Granted: 1965-03-23
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Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 Charles H Willyard
- 👤 John W Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:21
CPC Classifications
G; G08; G08B; G08B25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
311 words
A RANDON SWITCHING SYSTEM INCLUDING IN COMBINATION, A PLURALITY OF INPUT LINES, A PLURALITY OF OUTPUT LINES, A PLURALITY OF FIRST RESISTOR MEANS, MEANS CONNECTING SAID FIRST RESISTOR MEANS INDIVIDUALLY BETWEEN SAID OUTPUT LINES AND A REFERENCE POTENTIAL WITH EACH OF SAID FIRST RESISTOR MEANS CONNECTED TO A DIFFERENT OUTPUT LINE, A PLURALITY OF LINE COUPLING MEANS EACH ASSOCIATED WITH A DIFFERENT INPUT LINE AND COUPLING SAID ASSOCIATED INPUT LINE TO ALL OF SAID OUTPUT LINES, EACH OF SAID LINE COUPLING MEANS INCLUDING, ENERGIZING MEANS HAVING A FIRST TERMINAL, CAPACITOR MEANS, SECOND RESISTOR MEANS AND A PLURALITY OF ELECTRON SWICTCH MEANS, MEANS CONNECTING SAID ENERGIZING MEANS OF EACH COUPLING MEANS TO SAID ASSOCIATED INPUT LINE, SAID ENERGIZING MEANS PROVIDING AN ENERGIZING POTENTIAL AT SAID FIRST TERMINAL THEREOF IN RESPONSE TO A SIGNAL ON SAID ASSOCIATED INPUT LINE, MEANS CONNECTING SAID CAPACITOR MEANS BETWEEN SAID FIRST TERMINAL AND SAID REFERENCE POTENTIAL, A COMMON TERMINAL, MEANS CONNECTING ONE OF SAID PLURALITY OF ELECTRON SWITCH MEANS BETWEEN SAID COMMON TERMINAL AND EACH OF SAID OUTPUT LINES, WHEREBY EACH OF SAID SWITCH MEANS IS COUPLED TO A DIFFERENT OUTPUT LINE AND IS IN SERIES WITH A DIFFERENT ONE OF SAID FIRST RESISTOR MEANS BETWEEN SAID COMMON TERMINAL AND SAID REFERENCE POTENTIAL, MEANS CONNECTING SAID SECOND RESISTOR MEANS BETWEEN SAID FIRST TERMINAL AND SAID COMMON TERMINAL, SAID ELECTRON SWITCH MEANS BEING CONSTRUCTED SO THAT EACH CONDUCTS UPON THE APPLICATION OF A DIFFERENT PREDETERMINED ENERGIZING POTENTIAL THERETO, SAID CAPACITOR MEANS BEING CHARGED TO SAID ENERGIZING POTENTIAL IN RESPONSE TO A SIGNAL ON SAID ASSOCIATED INPUT LINE AND APPLYING THE POTENTIAL THEREACROSS THROUGH SAID SECOND RESISTOR MEANS TO SAID SERIES CONNECTED ELECTRON SWITCH MEANS AND FIRST RESISTOR MEANS, ONE CONNECTED TO SAID SECOND RESISTOR MEANS, AND THE POTENTIAL DROP ACROSS SAID FIRST RESISTOR MEANS PREVENTING CONDUCTION OF ANY OTHER ELECTRON SWITCH MEANS CONNECTED TO SAID FIRST RESISTOR MEANS.
Claim 2
Dependent Claim
311 words
A RANDON SWITCHING SYSTEM INCLUDING IN COMBINATION, A PLURALITY OF INPUT LINES, A PLURALITY OF OUTPUT LINES, A PLURALITY OF FIRST RESISTOR MEANS, MEANS CONNECTING SAID FIRST RESISTOR MEANS INDIVIDUALLY BETWEEN SAID OUTPUT LINES AND A REFERENCE POTENTIAL WITH EACH OF SAID FIRST RESISTOR MEANS CONNECTED TO A DIFFERENT OUTPUT LINE, A PLURALITY OF LINE COUPLING MEANS EACH ASSOCIATED WITH A DIFFERENT INPUT LINE AND COUPLING SAID ASSOCIATED INPUT LINE TO ALL OF SAID OUTPUT LINES, EACH OF SAID LINE COUPLING MEANS INCLUDING, ENERGIZING MEANS HAVING A FIRST TERMINAL, CAPACITOR MEANS, SECOND RESISTOR MEANS AND A PLURALITY OF ELECTRON SWICTCH MEANS, MEANS CONNECTING SAID ENERGIZING MEANS OF EACH COUPLING MEANS TO SAID ASSOCIATED INPUT LINE, SAID ENERGIZING MEANS PROVIDING AN ENERGIZING POTENTIAL AT SAID FIRST TERMINAL THEREOF IN RESPONSE TO A SIGNAL ON SAID ASSOCIATED INPUT LINE, MEANS CONNECTING SAID CAPACITOR MEANS BETWEEN SAID FIRST TERMINAL AND SAID REFERENCE POTENTIAL, A COMMON TERMINAL, MEANS CONNECTING ONE OF SAID PLURALITY OF ELECTRON SWITCH MEANS BETWEEN SAID COMMON TERMINAL AND EACH OF SAID OUTPUT LINES, WHEREBY EACH OF SAID SWITCH MEANS IS COUPLED TO A DIFFERENT OUTPUT LINE AND IS IN SERIES WITH A DIFFERENT ONE OF SAID FIRST RESISTOR MEANS BETWEEN SAID COMMON TERMINAL AND SAID REFERENCE POTENTIAL, MEANS CONNECTING SAID SECOND RESISTOR MEANS BETWEEN SAID FIRST TERMINAL AND SAID COMMON TERMINAL, SAID ELECTRON SWITCH MEANS BEING CONSTRUCTED SO THAT EACH CONDUCTS UPON THE APPLICATION OF A DIFFERENT PREDETERMINED ENERGIZING POTENTIAL THERETO, SAID CAPACITOR MEANS BEING CHARGED TO SAID ENERGIZING POTENTIAL IN RESPONSE TO A SIGNAL ON SAID ASSOCIATED INPUT LINE AND APPLYING THE POTENTIAL THEREACROSS THROUGH SAID SECOND RESISTOR MEANS TO SAID SERIES CONNECTED ELECTRON SWITCH MEANS AND FIRST RESISTOR MEANS, ONE CONNECTED TO SAID SECOND RESISTOR MEANS, AND THE POTENTIAL DROP ACROSS SAID FIRST RESISTOR MEANS PREVENTING CONDUCTION OF ANY OTHER ELECTRON SWITCH MEANS CONNECTED TO SAID FIRST RESISTOR MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |