NL213922A - - Google Patents

Info

Publication number: NL213922A
Authority: NL; Netherlands

Application number

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.)

1957-01-22

Publication of NL213922A publication Critical patent/NL213922A/xx

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
- G06F7/50—Adding; Subtracting
- G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
- G06F7/506—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination with simultaneous carry generation for, or propagation over, two or more stages
- G06F7/508—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination with simultaneous carry generation for, or propagation over, two or more stages using carry look-ahead circuits
- 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
- G06F7/50—Adding; Subtracting
- G06F7/501—Half or full adders, i.e. basic adder cells for one denomination
- G06F7/5016—Half or full adders, i.e. basic adder cells for one denomination forming at least one of the output signals directly from the minterms of the input signals, i.e. with a minimum number of gate levels

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computational Mathematics (AREA)
Mathematical Analysis (AREA)
Pure & Applied Mathematics (AREA)
Theoretical Computer Science (AREA)
Computing Systems (AREA)
Mathematical Optimization (AREA)
General Engineering & Computer Science (AREA)
Complex Calculations (AREA)
Management, Administration, Business Operations System, And Electronic Commerce (AREA)

NL213922D 1957-01-22 NL213922A (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL213922A NL103751C (de)	1957-01-22	1957-01-22
NL224679A NL113236C (de)	1957-01-22	1958-02-05

Publications (1)

Publication Number	Publication Date
NL213922A true NL213922A (de)

Family

ID=26641616

Family Applications (4)

Application Number	Title	Priority Date
NL224679D NL224679A (de)	1957-01-22
NL213922D NL213922A (de)	1957-01-22
NL213922A NL103751C (de)	1957-01-22	1957-01-22
NL224679A NL113236C (de)	1957-01-22	1958-02-05

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL224679D NL224679A (de)	1957-01-22

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
NL213922A NL103751C (de)	1957-01-22	1957-01-22
NL224679A NL113236C (de)	1957-01-22	1958-02-05

Country Status (7)

Country	Link
US (1)	US3056551A (de)
CH (2)	CH365235A (de)
DE (2)	DE1096649B (de)
FR (2)	FR1193001A (de)
GB (2)	GB876989A (de)
NL (4)	NL103751C (de)
OA (1)	OA00798A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1184125B (de) *	1961-11-17	1964-12-23	Telefunken Patent	Zweistufiges Rechenwerk
DE2007353C3 (de) *	1970-02-18	1973-11-29	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Vierteiliges Addierwerk
US4737926A (en) *	1986-01-21	1988-04-12	Intel Corporation	Optimally partitioned regenerative carry lookahead adder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2719670A (en) *	1949-10-18	1955-10-04	Jacobs	Electrical and electronic digital computers
US2803401A (en) *	1950-10-10	1957-08-20	Hughes Aircraft Co	Arithmetic units for digital computers
US2819839A (en) *	1951-02-23	1958-01-14	Donald H Jacobs	High speed register using gating circuits to bypass delay elements
GB750817A (en) *	1953-10-19	1956-06-20	Powers Samas Account Mach Ltd	Improvements in or relating to electronic adding circuits
US2954168A (en) *	1955-11-21	1960-09-27	Philco Corp	Parallel binary adder-subtracter circuits
US2879001A (en) *	1956-09-10	1959-03-24	Weinberger Arnold	High-speed binary adder having simultaneous carry generation

0
- NL NL224679D patent/NL224679A/xx unknown
- NL NL213922D patent/NL213922A/xx unknown
1957
- 1957-01-22 NL NL213922A patent/NL103751C/xx active
1958
- 1958-01-11 DE DEN14550A patent/DE1096649B/de active Pending
- 1958-01-14 US US708917A patent/US3056551A/en not_active Expired - Lifetime
- 1958-01-20 CH CH5486558A patent/CH365235A/de unknown
- 1958-01-22 FR FR1193001D patent/FR1193001A/fr not_active Expired
- 1958-01-22 GB GB2197/58A patent/GB876989A/en not_active Expired
- 1958-02-05 NL NL224679A patent/NL113236C/xx active
1959
- 1959-02-02 CH CH6901559A patent/CH374841A/de unknown
- 1959-02-02 GB GB3592/59A patent/GB879159A/en not_active Expired
- 1959-02-04 FR FR785754A patent/FR74905E/fr not_active Expired
- 1959-10-31 DE DEN16195A patent/DE1123144B/de active Pending
1964
- 1964-12-16 OA OA50889A patent/OA00798A/xx unknown

Also Published As

Publication number	Publication date
FR1193001A (fr)	1959-10-29
GB879159A (en)	1961-10-04
OA00798A (fr)	1967-11-15
NL103751C (de)	1962-05-15
FR74905E (fr)	1961-03-03
US3056551A (en)	1962-10-02
CH374841A (de)	1964-01-31
NL113236C (de)	1965-12-15
GB876989A (en)	1961-09-06
DE1096649B (de)	1961-01-05
NL224679A (de)
CH365235A (de)	1962-10-31
DE1123144B (de)	1962-02-01

Publication	Publication Date	Title
BE569303A (de)
BE569425A (de)
BE564246A (de)	1958-02-15
BE555734A (de)
BE556167A (de)	1960-02-26
BE556286A (de)
BE557905A (de)
BE558044A (de)
BE561020A (de)
BE562260A (de)
BE562418A (de)
BE563832A (de)
BE563933A (de)
BE564253A (de)
BE564278A (de)
BE564465A (de)
BE564543A (de)
BE564644A (de)
BE564964A (de)
BE565127A (de)
BE565252A (de)
BE565268A (de)
BE565343A (de)
BE565365A (de)
BE565366A (de)