US3245509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine control with infua-rep detector
Assignee: —
•
Filing: —
•
Granted: 1966-04-12
•
Expires: 1983-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:24
CPC Classifications
B; B23; B23Q; B23Q15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A CONTROL SYSTEM FOR A MACHINE; THE COMBINATION OF A CONTROL FOR THE MACHINE; MEANS DETECTING INFRA-RED RADIATION FROM AN OBJECT ASSOCIATED WITH THE MACHINE AND DEVELOPING A CORRESPONDING ELECTRICAL SIGNAL; AND SWITCHING MEANS RESPONSIVE TO AND THE ELECTRICAL SIGNAL FOR OPERATING THE CONTROL; THE SWITCHING MEANS INCLUDING A VOLTAGE SOURCE AND A PAIR OF AMPLIFYING DEVICES CONNECTED IN PARALLEL ACROSS THE SOURCE AND INTERCONNECTED TO PROVIDE A DIFFERENTIAL TRIGGERING ACTION SO THAT WHEN ONE ASSUMES ONE STATE OF OPERATION THE OTHER ASSUMES THE OPPOSITE STATE OF OPERATION, THE AMPLIFYING DEVICES BEING OPERATIVE TO CONNECT THE CONTROL TO THE SOURCE WHEN THE ELECTRICAL SIGNAL IS OF A CERTAIN LEVEL AND TO DISCONNECT THE CONTROL FROM THE SOURCE WHEN THE ELECTRICAL SIGNAL IS OF A CERTAIN DIFFERENT LEVEL.
Claim 2
Dependent Claim
128 words
IN A CONTROL SYSTEM FOR A MACHINE; THE COMBINATION OF A CONTROL FOR THE MACHINE; MEANS DETECTING INFRA-RED RADIATION FROM AN OBJECT ASSOCIATED WITH THE MACHINE AND DEVELOPING A CORRESPONDING ELECTRICAL SIGNAL; AND SWITCHING MEANS RESPONSIVE TO AND THE ELECTRICAL SIGNAL FOR OPERATING THE CONTROL; THE SWITCHING MEANS INCLUDING A VOLTAGE SOURCE AND A PAIR OF AMPLIFYING DEVICES CONNECTED IN PARALLEL ACROSS THE SOURCE AND INTERCONNECTED TO PROVIDE A DIFFERENTIAL TRIGGERING ACTION SO THAT WHEN ONE ASSUMES ONE STATE OF OPERATION THE OTHER ASSUMES THE OPPOSITE STATE OF OPERATION, THE AMPLIFYING DEVICES BEING OPERATIVE TO CONNECT THE CONTROL TO THE SOURCE WHEN THE ELECTRICAL SIGNAL IS OF A CERTAIN LEVEL AND TO DISCONNECT THE CONTROL FROM THE SOURCE WHEN THE ELECTRICAL SIGNAL IS OF A CERTAIN DIFFERENT LEVEL.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |