US3245534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for magnetic currency detectors
Assignee: Crane Payment Innovations GmbH
•
Filing: 1963-10-14
•
Granted: 1966-04-12
•
Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Smith
- 👤 Kramer Sigmund
- 👤 Donald M Danko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:21
CPC Classifications
G; G07; G07D; G07D7/00; G07D7/04; Y; Y10; Y10S; Y10S271/00; Y10S271/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
APPARATUS FOR IDENTIFYING AUTHENTIC PAPER CURRENCY EVERY TRUE EXAMPLE OF WHICH HAS A FIRST MAGNETIC ELEMENT CONSISTING OF AN AREA ON THE FACE OF THE CURRENCY HAVING MAGNETIC MATERIAL ARRANGED TO PROVIDE VARIATIONS OF MAGNETIC PROPERTIES ON A PARTICULAR PREDETERMINED PATTERN ALONG A CERTAIN PATH ACROSS THE SAID AREAS, WHICH MAGNETIC PROPERTIES MAY BE WEAK, THE APPARATUS COMPRISING: A BASE, A MAGNETIC HEAD ON THE BASE, SAID MAGNETIC HEAD HAVING A SECOND MAGNETIC ELEMENT CONSISTING OF A PIECE OF MAGNETIC MATERIAL AND AN ELECTRICAL CONDUCTOR ASSOCIATED WITH THE PIECE OF MAGNETIC MATERIAL, IN WHICH VOLTAGE VARIATIONS MAY BE PRODUCED BY CHANGES IN MAGNETIC FLUX IN AND ADJACENT THE SECOND MAGNETIC ELEMENT; MEANS FOR SUPPORTING THE CURRENCY ON THE BASE; AT LEAST ONE OF THE TWO MAGNETIC ELEMENTS BEING MAGNETIZED TO PRODUCE A MAGNETIC FIELD IN IT AND ADJACENT TO IT; MEANS FOR PRODUCING RELATIVE MOVEMENT OF THE CURRENCY SUPPORTING MEANS AND THE MAGNETIC HEAD TO CAUSE SAID SECOND MAGNETIC ELEMENT TO MOVE AT A PREDETERMINED SPEED ALONG A PREDETERMINED PATH ACROSS THE SAID MAGNETIC AREA OF THE CURRENCY, SAID MOTION-PRODUCING MEANS INCLUDING MEANS TO DISPOSE THE MAGNETIC AREA OF THE FIRST SAID MAGNETIC ELEMENT IN INITI-
Claim 2
Dependent Claim
196 words
APPARATUS FOR IDENTIFYING AUTHENTIC PAPER CURRENCY EVERY TRUE EXAMPLE OF WHICH HAS A FIRST MAGNETIC ELEMENT CONSISTING OF AN AREA ON THE FACE OF THE CURRENCY HAVING MAGNETIC MATERIAL ARRANGED TO PROVIDE VARIATIONS OF MAGNETIC PROPERTIES ON A PARTICULAR PREDETERMINED PATTERN ALONG A CERTAIN PATH ACROSS THE SAID AREAS, WHICH MAGNETIC PROPERTIES MAY BE WEAK, THE APPARATUS COMPRISING: A BASE, A MAGNETIC HEAD ON THE BASE, SAID MAGNETIC HEAD HAVING A SECOND MAGNETIC ELEMENT CONSISTING OF A PIECE OF MAGNETIC MATERIAL AND AN ELECTRICAL CONDUCTOR ASSOCIATED WITH THE PIECE OF MAGNETIC MATERIAL, IN WHICH VOLTAGE VARIATIONS MAY BE PRODUCED BY CHANGES IN MAGNETIC FLUX IN AND ADJACENT THE SECOND MAGNETIC ELEMENT; MEANS FOR SUPPORTING THE CURRENCY ON THE BASE; AT LEAST ONE OF THE TWO MAGNETIC ELEMENTS BEING MAGNETIZED TO PRODUCE A MAGNETIC FIELD IN IT AND ADJACENT TO IT; MEANS FOR PRODUCING RELATIVE MOVEMENT OF THE CURRENCY SUPPORTING MEANS AND THE MAGNETIC HEAD TO CAUSE SAID SECOND MAGNETIC ELEMENT TO MOVE AT A PREDETERMINED SPEED ALONG A PREDETERMINED PATH ACROSS THE SAID MAGNETIC AREA OF THE CURRENCY, SAID MOTION-PRODUCING MEANS INCLUDING MEANS TO DISPOSE THE MAGNETIC AREA OF THE FIRST SAID MAGNETIC ELEMENT IN INITI-
References Cited (Backward Citations)
US2950799A
Cited
US2731621A
Cited
US2895014A
Cited
US3004110A
Cited
US2961649A
Cited
US2995976A
Cited
US3011152A
Cited
US2957387A
Cited
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 |