IT1027451B - Moltiplicatore numerico modulare - Google Patents

Moltiplicatore numerico modulare

Info

Publication number: IT1027451B
Authority: IT; Italy
Prior art keywords: numerical multiplier; modular numerical; modular; multiplier; numerical
Prior art date: 1974-02-06

Application number

IT67273/75A

Other languages

English (en)

Original Assignee

Western Electric Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-02-06

Filing date

1975-02-03

Publication date

1978-11-20

1975-02-03 Application filed by Western Electric Co filed Critical Western Electric Co

1978-11-20 Application granted granted Critical

1978-11-20 Publication of IT1027451B publication Critical patent/IT1027451B/it

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/52—Multiplying; Dividing
- G06F7/523—Multiplying only
- G06F7/527—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel
- G06F7/5277—Multiplying only in serial-parallel fashion, i.e. one operand being entered serially and the other in parallel with column wise addition of partial products
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
- G06F2207/3804—Details
- G06F2207/386—Special constructional features
- G06F2207/3884—Pipelining
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/499—Denomination or exception handling, e.g. rounding or overflow
- G06F7/49942—Significance control
- G06F7/49947—Rounding
- G06F7/49963—Rounding to nearest

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computational Mathematics (AREA)
Mathematical Analysis (AREA)
Mathematical Optimization (AREA)
Pure & Applied Mathematics (AREA)
Theoretical Computer Science (AREA)
Computing Systems (AREA)
General Engineering & Computer Science (AREA)
Complex Calculations (AREA)

IT67273/75A 1974-02-06 1975-02-03 Moltiplicatore numerico modulare IT1027451B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US440067A US3885141A (en)	1974-02-06	1974-02-06	Modular pipeline multiplier to generate a rounded product

Publications (1)

Publication Number	Publication Date
IT1027451B true IT1027451B (it)	1978-11-20

Family

ID=23747281

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67273/75A IT1027451B (it)	1974-02-06	1975-02-03	Moltiplicatore numerico modulare

Country Status (6)

Country	Link
US (1)	US3885141A (it)
BE (1)	BE825177A (it)
CA (1)	CA1021062A (it)
FR (1)	FR2260137B1 (it)
GB (1)	GB1460882A (it)
IT (1)	IT1027451B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2276635A1 (fr) *	1974-06-28	1976-01-23	Jeumont Schneider	Multiplieur numerique rapide et ses applications
US4013879A (en) *	1975-06-02	1977-03-22	International Telephone And Telegraph Corporation	Digital multiplier
US4110831A (en) *	1977-06-29	1978-08-29	International Business Machines Corporation	Method and means for tracking digit significance in arithmetic operations executed on decimal computers
US4229800A (en) *	1978-12-06	1980-10-21	American Microsystems, Inc.	Round off correction logic for modified Booth's algorithm
US4736333A (en) *	1983-08-15	1988-04-05	California Institute Of Technology	Electronic musical instrument
US4758972A (en) *	1986-06-02	1988-07-19	Raytheon Company	Precision rounding in a floating point arithmetic unit
JP3276444B2 (ja) *	1993-03-22	2002-04-22	三菱電機株式会社	除算回路
US9459832B2 (en)	2014-06-12	2016-10-04	Bank Of America Corporation	Pipelined multiply-scan circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3610907A (en) *	1969-01-16	1971-10-05	North American Rockwell	Multipurpose serial/parallel multiplier
US3617723A (en) *	1970-02-25	1971-11-02	Collins Radio Co	Digitalized multiplier
US3794820A (en) *	1972-10-16	1974-02-26	Philco Ford Corp	Binary multiplier circuit

1974
- 1974-02-06 US US440067A patent/US3885141A/en not_active Expired - Lifetime
1975
- 1975-01-14 CA CA217,885A patent/CA1021062A/en not_active Expired
- 1975-02-03 IT IT67273/75A patent/IT1027451B/it active
- 1975-02-04 GB GB468775A patent/GB1460882A/en not_active Expired
- 1975-02-04 BE BE153055A patent/BE825177A/xx unknown
- 1975-02-05 FR FR7503619A patent/FR2260137B1/fr not_active Expired

Also Published As

Publication number	Publication date
BE825177A (fr)	1975-05-29
CA1021062A (en)	1977-11-15
FR2260137A1 (it)	1975-08-29
GB1460882A (en)	1977-01-06
FR2260137B1 (it)	1977-04-15
US3885141A (en)	1975-05-20

Publication	Publication Date	Title
BE829610A (fr)	1975-11-28	Dataverwerkend systeem met ingangs/uitgangs-processoren
SE409612B (sv)	1979-08-27	Atdragbar packbox
SE417262B (sv)	1981-03-02	M-fasvexelstromsmaskin
JPS5117369A (ja)	1976-02-12	Shotsukyosetsudansochi
SE405132B (sv)	1978-11-20	Palningsaggregat
IT1027451B (it)	1978-11-20	Moltiplicatore numerico modulare
SE7514390L (sv)	1976-06-24	Halvledaraggregat
JPS5129933A (ja)	1976-03-13	Hikaridensoyofuaibaa no setsuzokuhoho
SE7509559L (sv)	1976-03-01	Sikt
AT348262B (de)	1979-02-12	Schichtstoff
JPS5128557A (ja)	1976-03-10	Aruminiumukeikeigokinbuzaitohaganetonokoshitsuishukinzokubuzai no setsugohoho
JPS515823A (ja)	1976-01-19	Konkuriitohokyoyotetsukinno setsugosochi
JPS5140146A (ja)	1976-04-03	Hikaritsushinyofuaibaa no setsuzokuhoho
JPS5151082A (ja)	1976-05-06	Setsudanki
CU34406A (es)	1978-09-08	Nuevas bencilpirimidinas
IT1041276B (it)	1980-01-10	Tastiera componibile
JPS518052A (ja)	1976-01-22	Kataateyofushokufuno setsudanhoho
JPS5131191A (ja)	1976-03-17	Suireikaitentaiinkyoku x senkan
SE7509843L (sv)	1976-03-08	Skapliknande imfilteraggregat
AR202832A1 (es)	1975-07-24	Construccion modular antisismica
JPS5161083A (ja)	1976-05-27	Katoseiusunikutsutsujobutsutaino setsudanhoho
JPS512967A (ja)	1976-01-12	Setsutensochi
JPS5124089A (ja)	1976-02-26	Kankyuyomoribudenhakuto hikidashisenno setsuzokuhoho
JPS515822A (ja)	1976-01-19	Konkuriitohokyoyotetsukinno setsugosochi
SE7511014L (sv)	1976-04-05	Demonterbar skiljevegg