US3815719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data processing apparatus
Assignee: Revenue Systems Ltd
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Filing: 1972-11-15
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Granted: 1974-06-11
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Expires: 1992-11-15
Abstract
Abstract The invention relates to apparatus for processing card-carried data, and the object of the invention is to reduce the possibility of an unauthorised card being fed into such apparatus. For this purpose a passage leading from a card entry slot to the data processing means is blocked unless a card of a predetermined minimum width is present in the slot. The passage is normally blocked by a pivotably-mounted tray having a forward edge opposite the card entry slot and being held in this blocking position by two spring members mounted one on either side of the tray. When a card of the required minimum width is inserted in the slot, it separates the two spring members and releases the tray so that it can be pivoted out of the blocking position.
Inventors
- 👤 J Streeter
- 👤 R Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/06; G06K7/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
128 words
Apparatus for processing data in and on cards, including a card entry slot, blocking means constituted by a pivotally mounted tray having a forward edge disposed opposite to said card entry slot and urged by spring means in such a direction that said forward edge normally prevents entry of a card into the apparatus, said blocking means being movable from a first position in which it blocks a passage leading from said slot to data processing means to a second position in which said passage is unblocked, spring means urging said blocking means towards said first position, locking means for retaining said blocking means in said first position and release means operative to unlock said locking means when a card of a predetermined minimum width enters said slot.
Claim 2
Dependent Claim
128 words
Apparatus for processing data in and on cards, including a card entry slot, blocking means constituted by a pivotally mounted tray having a forward edge disposed opposite to said card entry slot and urged by spring means in such a direction that said forward edge normally prevents entry of a card into the apparatus, said blocking means being movable from a first position in which it blocks a passage leading from said slot to data processing means to a second position in which said passage is unblocked, spring means urging said blocking means towards said first position, locking means for retaining said blocking means in said first position and release means operative to unlock said locking means when a card of a predetermined minimum width enters said slot.
Claim 3
Dependent Claim
44 words
Apparatus as claimed in claim 1, wherein the width of said card entry slot is only slightly greater than said predetermined minimum width so that it defines a predetermined maximum width for the card which does not differ substantially from said predetermined minimum width.
Claim 4
Dependent Claim
48 words
Apparatus as claimed in claim 1, wherein said tray is provided with two laterally projecting pegs capable of entering respective holes in two spring members mounted one on either side of the tray and biassed towards each other so that the pegs are normally engaged in the slots.
Claim 5
Dependent Claim
37 words
Apparatus as claimed in claim 3, wherein each spring member carries at the forward end thereof a roller capable of being engaged by a respective lateral edge of a card as it is inserted through said slot.
Claim 6
Dependent Claim
81 words
Apparatus as claimed in claim 4, wherein the rollers and spring members are so arranged and located that, if a card of said predetermined minimum width is inserted through said slot, it will engage both rollers and urge them apart so that the pegs projecting laterally from the tray are disengaged from the holes in the spring members, whereby the tray is unlocked and rendered capable of being displaced from said first position in which it blocks entry to the apparatus.
Claim 7
Dependent Claim
29 words
Apparatus as claimed in claim 5, wherein said tray is provided with ramps on the forward edge thereof which ramps are engageable by the leading edge of the card.
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) | 1977-06-10 | 1977-12-10 | 1978-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-10 | 1981-12-10 | 1982-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-10 | 1985-12-10 | 1986-06-11 | $7700.00 | Window Closed / Lapsed |