US3075177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supervisory control system
Assignee: Westinghouse Electric Corp
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Filing: 1960-12-12
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Granted: 1963-01-22
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Expires: 1980-12-12
Abstract
No abstract record available.
Inventors
- 👤 Willard A Derr
- 👤 Sheldon D Silliman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:54
CPC Classifications
G; G08; G08B; G08B26/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A SUPERVISORY CONTROL SYSTEM FOR CONTROLLING APPARATUS AT A REMOTE STATION FROM A DISPATCHING OFFICE, SENDING MEANS AT THE DISPATCHING OFFICE, COUNTING MEANS, CONTROL MEANS EFFECTING OPERATION OF THE SENDING MEANS TO PRODUCE DISTINCTIVELY DIFFERENT SIGNALS, AND MEANS INCLUDING A PLURALITY OF SELECTION KEYS CONNECTING THE COUNTING AND CONTROL MEANS TO EFFECT OPERATION OF THE SENDING MEANS TO SELECTIVELY SEND DIFFERENT ARRANGEMENTS OF A FIXED NUMBER OF CONTROL SIGNALS WITH EACH ARRANGEMENT FOLLOWED BY A PLURALITY OF CHECK SIGNALS EACH RELATED TO A DIFFERENT PREDETERMINED GROUP OF THE PRECEDING ARRANGEMENT TO CONTROL SIGNALS SO THAT THE SUM OF ONE TYPE OF SAID DISTINCTLY DIFFERENT SIGNALS IN EACH GROUP AS COMBINED WITH THE CORRESPONDING CHECK SIGNAL IS ODD OR EVEN HAVING A DEFINITE RELATION WITH A DIFFERENT GROUP OF THE CONTROL SIGNALS.
Claim 2
Dependent Claim
132 words
IN A SUPERVISORY CONTROL SYSTEM FOR CONTROLLING APPARATUS AT A REMOTE STATION FROM A DISPATCHING OFFICE, SENDING MEANS AT THE DISPATCHING OFFICE, COUNTING MEANS, CONTROL MEANS EFFECTING OPERATION OF THE SENDING MEANS TO PRODUCE DISTINCTIVELY DIFFERENT SIGNALS, AND MEANS INCLUDING A PLURALITY OF SELECTION KEYS CONNECTING THE COUNTING AND CONTROL MEANS TO EFFECT OPERATION OF THE SENDING MEANS TO SELECTIVELY SEND DIFFERENT ARRANGEMENTS OF A FIXED NUMBER OF CONTROL SIGNALS WITH EACH ARRANGEMENT FOLLOWED BY A PLURALITY OF CHECK SIGNALS EACH RELATED TO A DIFFERENT PREDETERMINED GROUP OF THE PRECEDING ARRANGEMENT TO CONTROL SIGNALS SO THAT THE SUM OF ONE TYPE OF SAID DISTINCTLY DIFFERENT SIGNALS IN EACH GROUP AS COMBINED WITH THE CORRESPONDING CHECK SIGNAL IS ODD OR EVEN HAVING A DEFINITE RELATION WITH A DIFFERENT GROUP OF THE CONTROL SIGNALS.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |