US4719338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pocket calculator with credit card controller and dispenser
Assignee: MagnaChip Semiconductor Ltd
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Filing: 1985-08-12
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Granted: 1988-01-12
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Expires: 2005-08-12
Abstract
Abstract A portable transaction processing calculator has a keyboard and a display window along with slots for holding at least a pair of credit cards. One of the cards includes storage means therein and is electrically connected with the calculator, and another card has optical or other readable data thereon and readable by optical or other equipment. A selector switch on the calculator selects one of four different operations.
Inventors
- 👤 James M. Avery
- 👤 Madhu C. Patel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:10
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G07F7/1008; G06; G06F; G06F15/00; G06F15/02; G06F15/0241; G06K; G06K19/00; G06K19/06; G06K19/067; G06K19/07; G06K7/00; G06K7/0008; G06K7/0013; G06K7/0056; G06K7/0073; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/341; G07F7/0806; G07F7/0833; G07F7/0873; G07F7/088; G07F7/0886; Y; Y10; Y10S; Y10S283/00; Y10S283/904
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
149 words
A transaction processing device comprising a hand held calculator having keyboard means and display means operably associated to input data and to display said data, a first credit card carried by the calculator and being electrically alterable and having memory means therein and accessible by the calculator for providing a plurality of functions, a second credit card carried by the calculator and usable to transact operations remote from the calculator, first and second slots for containing said first and second credit cards in positions wherein said first credit card is positioned between said second credit card and said calculator, and switch means on the calculator slidable to one of a plurality of positions for making a selection of normal calculator operation or for reading information from the first credit card for processing thereof relative to said functions including display of information, reading and accessing information, and setting of information.
Claim 2
Dependent Claim
149 words
A transaction processing device comprising a hand held calculator having keyboard means and display means operably associated to input data and to display said data, a first credit card carried by the calculator and being electrically alterable and having memory means therein and accessible by the calculator for providing a plurality of functions, a second credit card carried by the calculator and usable to transact operations remote from the calculator, first and second slots for containing said first and second credit cards in positions wherein said first credit card is positioned between said second credit card and said calculator, and switch means on the calculator slidable to one of a plurality of positions for making a selection of normal calculator operation or for reading information from the first credit card for processing thereof relative to said functions including display of information, reading and accessing information, and setting of information.
Claim 3
Dependent Claim
144 words
In a portable calculator having a keyboard and a display window, a first credit card carried by the calculator and being electrically alterable and including storage means therein and operably associated electrically with the calculator for providing a plurality of functions, a second credit card carried by the calculator and usable to transact operations remote from the calculator, a first slot and a second slot for containing said first credit card and said second credit card in positions wherein said first credit card is positioned between said second credit card and said calculator, and switch selection means on the calculator and movable to one of a plurality of positions for normal calculator operation or for reading information from the first credit card and for processing of such information relative to said functions including display of information, reading and accessing information, and setting of information.
Claim 4
Dependent Claim
144 words
In a portable calculator having a keyboard and a display window, a first credit card carried by the calculator and being electrically alterable and including storage means therein and operably associated electrically with the calculator for providing a plurality of functions, a second credit card carried by the calculator and usable to transact operations remote from the calculator, a first slot and a second slot for containing said first credit card and said second credit card in positions wherein said first credit card is positioned between said second credit card and said calculator, and switch selection means on the calculator and movable to one of a plurality of positions for normal calculator operation or for reading information from the first credit card and for processing of such information relative to said functions including display of information, reading and accessing information, and setting of information.
Claim 5
Dependent Claim
133 words
A transaction processing device comprising a hand held calculator having keyboard means and display means operably associated for inputting data and for displaying said data, slot means for carrying and retaining a first credit card, electrically alterable and having memory means, and operably associated with the calculator for providing a plurality of functions, slot means for carrying and retaining a second credit card, said second credit card being usable to transact operations remote from the calculator, and said first credit card being positioned between said second credit card and said calculator, and switch means slidable on the calculator for making a selection of normal calculator operation, for reading and accessing information from the first credit card relative to at least one of said functions, for setting functional information, and for displaying functional information.
Claim 6
Dependent Claim
133 words
A transaction processing device comprising a hand held calculator having keyboard means and display means operably associated for inputting data and for displaying said data, slot means for carrying and retaining a first credit card, electrically alterable and having memory means, and operably associated with the calculator for providing a plurality of functions, slot means for carrying and retaining a second credit card, said second credit card being usable to transact operations remote from the calculator, and said first credit card being positioned between said second credit card and said calculator, and switch means slidable on the calculator for making a selection of normal calculator operation, for reading and accessing information from the first credit card relative to at least one of said functions, for setting functional information, and for displaying functional information.
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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) | 1991-01-11 | 1991-07-13 | 1992-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-11 | 1995-07-13 | 1996-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-11 | 1999-07-13 | 2000-01-12 | $7700.00 | Window Closed / Lapsed |