GB8306208D0 - Circuits - Google Patents

Circuits

Info

Publication number: GB8306208D0
Authority: GB; United Kingdom
Prior art keywords: circuits
Prior art date: 1982-08-23
Legal status (The legal status 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 status listed.): Granted

Application number

GB838306208A

Other versions

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

HP Inc

Original Assignee

Hewlett Packard 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.)

1982-08-23

Filing date

1983-03-07

Publication date

1983-04-13

1983-03-07 Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co

1983-04-13 Publication of GB8306208D0 publication Critical patent/GB8306208D0/en

1984-04-04 Publication of GB2127187A publication Critical patent/GB2127187A/en

1986-03-05 Application granted granted Critical

1986-03-05 Publication of GB2127187B publication Critical patent/GB2127187B/en

Status Expired legal-status Critical Current

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
- G06F7/74—Selecting or encoding within a word the position of one or more bits having a specified value, e.g. most or least significant one or zero detection, priority encoders
- 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
- G06F7/5055—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination in which one operand is a constant, i.e. incrementers or decrementers
- 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
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/506—Indexing scheme relating to groups G06F7/506 - G06F7/508
- G06F2207/5063—2-input gates, i.e. only using 2-input logical gates, e.g. binary carry look-ahead, e.g. Kogge-Stone or Ladner-Fischer adder

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Computational Mathematics (AREA)
Mathematical Analysis (AREA)
Pure & Applied Mathematics (AREA)
General Engineering & Computer Science (AREA)
Computing Systems (AREA)
Mathematical Optimization (AREA)
Complex Calculations (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)

GB08306208A 1982-08-23 1983-03-07 Circuits for operating on n-digit operands Expired GB2127187B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US41080782A	1982-08-23	1982-08-23

Publications (3)

Publication Number	Publication Date
GB8306208D0 true GB8306208D0 (en)	1983-04-13
GB2127187A GB2127187A (en)	1984-04-04
GB2127187B GB2127187B (en)	1986-03-05

Family

ID=23626312

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GB08330888A Expired GB2130771B (en)	1982-08-23	1983-03-07	Incrementer for operating on n-digit operands
GB08306208A Expired GB2127187B (en)	1982-08-23	1983-03-07	Circuits for operating on n-digit operands
GB08330889A Expired GB2130774B (en)	1982-08-23	1983-11-18	Circuits for operating on n-digit operands

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB08330888A Expired GB2130771B (en)	1982-08-23	1983-03-07	Incrementer for operating on n-digit operands

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB08330889A Expired GB2130774B (en)	1982-08-23	1983-11-18	Circuits for operating on n-digit operands

Country Status (3)

Country	Link
JP (6)	JPS5957343A (en)
DE (1)	DE3326388A1 (en)
GB (3)	GB2130771B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6055438A (en) *	1983-09-05	1985-03-30	Matsushita Electric Ind Co Ltd	Two-input adder
JPS6275840A (en) *	1985-09-30	1987-04-07	Toshiba Corp	Carry selecting adder
DE58909280D1 (en) *	1988-07-29	1995-07-13	Siemens Ag	Carry select adders.
US4956802A (en) *	1988-12-14	1990-09-11	Sun Microsystems, Inc.	Method and apparatus for a parallel carry generation adder
US5136539A (en) *	1988-12-16	1992-08-04	Intel Corporation	Adder with intermediate carry circuit
JPH0651950A (en) *	1992-07-30	1994-02-25	Mitsubishi Electric Corp	Adder circuit
US6527748B1 (en)	1998-08-17	2003-03-04	Yutaka Suzuki	Method of gastrostomy, and an infection preventive cover, kit or catheter kit, and a gastrostomy catheter kit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3078337A (en) *	1958-12-17	1963-02-19	Skiatron Elect & Tele	Metering systems
US3138703A (en) *	1959-12-29	1964-06-23	Ibm	Full adder
DE1231311B (en) *	1964-11-17	1966-12-29	Siemens Ag	Circuit arrangement for converting information, in particular for time division multiplex telephone exchange systems
US3316393A (en) *	1965-03-25	1967-04-25	Honeywell Inc	Conditional sum and/or carry adder
GB1143886A (en) *	1966-10-13
GB1391175A (en) *	1971-08-04	1975-04-16	Cambridge Consultants Lttd	Electrical circuit means for use in acoustic emission detecting and or recording apparatus
GB1479939A (en) *	1973-09-25	1977-07-13	Siemens Ag	Programme-controlled data switching systems
JPS537349B2 (en) *	1974-03-27	1978-03-16
JPS5446224U (en) *	1977-09-07	1979-03-30
EP0052157A1 (en) *	1980-11-15	1982-05-26	Deutsche ITT Industries GmbH	Binary MOS carry look ahead parallel adder

1983
- 1983-03-07 GB GB08330888A patent/GB2130771B/en not_active Expired
- 1983-03-07 GB GB08306208A patent/GB2127187B/en not_active Expired
- 1983-07-22 DE DE19833326388 patent/DE3326388A1/en active Granted
- 1983-08-23 JP JP15400083A patent/JPS5957343A/en active Granted
- 1983-11-18 GB GB08330889A patent/GB2130774B/en not_active Expired
1990
- 1990-11-30 JP JP2341185A patent/JPH03228121A/en active Granted
- 1990-11-30 JP JP2341187A patent/JPH03229320A/en active Granted
- 1990-11-30 JP JP2341186A patent/JPH03228122A/en active Granted
- 1990-11-30 JP JP2341188A patent/JPH03229321A/en active Granted
- 1990-11-30 JP JP2341184A patent/JPH03228120A/en active Granted

Also Published As

Publication number	Publication date
DE3326388A1 (en)	1984-02-23
JPH03229320A (en)	1991-10-11
JPH0450615B2 (en)	1992-08-14
JPH0366693B2 (en)	1991-10-18
JPH0450614B2 (en)	1992-08-14
JPH0467212B2 (en)	1992-10-27
DE3326388C2 (en)	1993-04-01
GB2130774A (en)	1984-06-06
JPH03229321A (en)	1991-10-11
JPH03228121A (en)	1991-10-09
GB2127187B (en)	1986-03-05
GB8330889D0 (en)	1983-12-29
JPH0467211B2 (en)	1992-10-27
GB2130771B (en)	1986-02-12
JPH03228120A (en)	1991-10-09
GB2127187A (en)	1984-04-04
JPH0467213B2 (en)	1992-10-27
JPS5957343A (en)	1984-04-02
GB2130774B (en)	1986-02-12
GB8330888D0 (en)	1983-12-29
JPH03228122A (en)	1991-10-09
GB2130771A (en)	1984-06-06

Publication	Publication Date	Title
GB2130833B (en)	1986-08-28	Interface circuit
GB8316270D0 (en)	1983-07-20	Circuit arrangement
GB8331096D0 (en)	1983-12-29	Electrical circuits
GB8322131D0 (en)	1983-09-21	Circuits
GB8309726D0 (en)	1983-05-18	Integrated circuit arrangement
EP0107028A3 (en)	1985-08-21	Circuit arrangement
GB8333133D0 (en)	1984-01-18	Sample-&-hold circuit
GB8328851D0 (en)	1983-11-30	Circuit arrangement
GB8305972D0 (en)	1983-04-07	Circuit
GB8304856D0 (en)	1983-03-23	Circuit arrangement
GB8527345D0 (en)	1985-12-11	Circuit
GB8328152D0 (en)	1983-11-23	Interface circuits
GB8328605D0 (en)	1983-11-30	Integrated circuit
GB8312055D0 (en)	1983-06-08	Circuit arrangement
GB8300387D0 (en)	1983-02-09	Circuit arrangement
GB8330888D0 (en)	1983-12-29	Circuits
KR910006512B1 (en)	1991-08-27	Integrated circuit
GB8311645D0 (en)	1983-06-02	Circuit
GB8313517D0 (en)	1983-06-22	Circuit
GB8317770D0 (en)	1983-08-03	Counter circuits
GB8324713D0 (en)	1983-10-19	Circuits
GB8411875D0 (en)	1984-06-13	Circuits
GB8313988D0 (en)	1983-06-29	Circuit arrangement
GB8326201D0 (en)	1983-11-02	Circuit arrangements
GB8312322D0 (en)	1983-06-08	Integrated circuits

Legal Events

Date	Code	Title	Description
1996-10-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19960307