US3304417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer having floating point multiplication
Assignee: North American Aviation Corp
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Filing: 1966-05-23
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Granted: 1967-02-14
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Theodore M Hertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:35
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/483; G06F7/487; G06F7/4876; G06F7/499; G06F7/49905; G06F7/4991; G06F7/49936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN AN ELECTRONIC COMPUTER, MEANS PROVIDING FLOATING POINT MULTIPLICATION OF ONE OPERAND WITH ANOTHER IN A PLURALITY OF COMPUTER WORD TIMES INCLUDING AN INITIAL COMPUTER WORD TIME, EACH OF SAID OPERANDS HAVING AN EXPONENT PORTION AND A FRACTION PORTION, SAID EXPONENT PORTION INDICATING A POWER OF 2 BY WHICH SAID FRACTION PORTION MUST BE MULTIPLIED TO OBTAIN THE NUMERICAL VALVE OF THE OPERAND REPRESENTED BY SAID EXPONENT AND FRACTION PORTIONS, ONE OF SAID OPERANDS BEING A MULTIPLIER AND THE OTHER OF SAID OPERANDS BEING A MULTIPLICAND, SAID MEANS PROVIDING FLOATING POINT MULTIPLICATION COMPRISING MEANS FOR SERIALLY BY BIT MULTIPLYING THE FRACTION PORTION OF SAID MULTIPLICAND BY THE FRACTION PORTION OF SAID MULTIPLIER, SAID MEANS PROVIDING FLOATING POINT MULTIPLICATION FURTHER COMPRISING MEANS FOR SERIALLY BY BIT ADDING THE EXPONENT PORTIONS OF SAID MULTIPLIER AND SAID MULTIPLICAND DURING AN INITIAL COMPUTER WORD TIME OF THE FLOATING POINT MULTIPLICATION.
Claim 2
Dependent Claim
146 words
IN AN ELECTRONIC COMPUTER, MEANS PROVIDING FLOATING POINT MULTIPLICATION OF ONE OPERAND WITH ANOTHER IN A PLURALITY OF COMPUTER WORD TIMES INCLUDING AN INITIAL COMPUTER WORD TIME, EACH OF SAID OPERANDS HAVING AN EXPONENT PORTION AND A FRACTION PORTION, SAID EXPONENT PORTION INDICATING A POWER OF 2 BY WHICH SAID FRACTION PORTION MUST BE MULTIPLIED TO OBTAIN THE NUMERICAL VALVE OF THE OPERAND REPRESENTED BY SAID EXPONENT AND FRACTION PORTIONS, ONE OF SAID OPERANDS BEING A MULTIPLIER AND THE OTHER OF SAID OPERANDS BEING A MULTIPLICAND, SAID MEANS PROVIDING FLOATING POINT MULTIPLICATION COMPRISING MEANS FOR SERIALLY BY BIT MULTIPLYING THE FRACTION PORTION OF SAID MULTIPLICAND BY THE FRACTION PORTION OF SAID MULTIPLIER, SAID MEANS PROVIDING FLOATING POINT MULTIPLICATION FURTHER COMPRISING MEANS FOR SERIALLY BY BIT ADDING THE EXPONENT PORTIONS OF SAID MULTIPLIER AND SAID MULTIPLICAND DURING AN INITIAL COMPUTER WORD TIME OF THE FLOATING POINT MULTIPLICATION.
References Cited (Backward Citations)
US3012723A
Cited
US2928076A
Cited
US3037701A
Cited
US3043509A
Cited
US3131293A
Cited
US3210737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |