US3858797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspection device in card readers
Assignee: Individual
•
Filing: 1973-07-25
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Granted: 1975-01-07
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Expires: 1993-07-25
Abstract
Abstract A card inspecting device in the card reader used as the numerical control device in which cards are arranged in the vertical position in the card magazine and beam from the surface of the card is refracted by the prism so that the letters on the card can be viewed by the operator.
Inventors
- 👤 Tetsuo Takeuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
An inspection device for a card reader of the type having an automatic card reading station, comprising a magazine for accommodating a stack of cards on edge in the vertical position and having a vertical front plate for retaining said stack, a push plate pushing the stack against said front plate of the magazine, card feed means for delivering cards one by one from the front of said stack to said card reading station, a window provided in said front plate for exposing indicia on the front suRface of each of the cards, an optical prism exposed to said indicia through said window and diverting light therefrom in an upward direction, and a horizontally disposed enlarging lens positioned above said prism for producing a visually observable image of said indicia at a position above said lens.
Claim 2
Dependent Claim
136 words
An inspection device for a card reader of the type having an automatic card reading station, comprising a magazine for accommodating a stack of cards on edge in the vertical position and having a vertical front plate for retaining said stack, a push plate pushing the stack against said front plate of the magazine, card feed means for delivering cards one by one from the front of said stack to said card reading station, a window provided in said front plate for exposing indicia on the front suRface of each of the cards, an optical prism exposed to said indicia through said window and diverting light therefrom in an upward direction, and a horizontally disposed enlarging lens positioned above said prism for producing a visually observable image of said indicia at a position above said lens.
References Cited (Backward Citations)
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Cited
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US2787190A
Cited
US3216317A
Cited
US3611292A
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US3745314A
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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) | 1978-01-06 | 1978-07-08 | 1979-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-06 | 1982-07-08 | 1983-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-06 | 1986-07-08 | 1987-01-07 | $7700.00 | Window Closed / Lapsed |