DE3132611A1 - Digitale integriereinrichtung - Google Patents

Digitale integriereinrichtung

Info

Publication number
DE3132611A1
DE3132611A1 DE3132611A DE3132611A DE3132611A1 DE 3132611 A1 DE3132611 A1 DE 3132611A1 DE 3132611 A DE3132611 A DE 3132611A DE 3132611 A DE3132611 A DE 3132611A DE 3132611 A1 DE3132611 A1 DE 3132611A1
Authority
DE
Germany
Prior art keywords
bit
value
radix point
comma
exponent
Prior art date
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
DE3132611A
Other languages
German (de)
English (en)
Other versions
DE3132611C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Takeyuki Kodaira Tokyo Endoh
Shigeru Tokyo Yabuuchi
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.)
HITACHI ELECTRONICS
Hitachi Ltd
Original Assignee
HITACHI ELECTRONICS
Hitachi Ltd
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.)
Filing date
Publication date
Application filed by HITACHI ELECTRONICS, Hitachi Ltd filed Critical HITACHI ELECTRONICS
Publication of DE3132611A1 publication Critical patent/DE3132611A1/de
Application granted granted Critical
Publication of DE3132611C2 publication Critical patent/DE3132611C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • Nonlinear Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Complex Calculations (AREA)
DE3132611A 1980-08-18 1981-08-18 Digitale integriereinrichtung Granted DE3132611A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55112739A JPS6022371B2 (ja) 1980-08-18 1980-08-18 ディジタル微分解析機

Publications (2)

Publication Number Publication Date
DE3132611A1 true DE3132611A1 (de) 1982-03-18
DE3132611C2 DE3132611C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-16

Family

ID=14594330

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3132611A Granted DE3132611A1 (de) 1980-08-18 1981-08-18 Digitale integriereinrichtung

Country Status (3)

Country Link
US (1) US4414640A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS6022371B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3132611A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246872A1 (de) * 1981-12-18 1983-07-07 Hitachi, Ltd., Tokyo Digitaler gleitkomma-differentialanalysator

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59223846A (ja) * 1983-06-02 1984-12-15 Matsushita Electric Ind Co Ltd 演算処理装置
US4825400A (en) * 1986-01-13 1989-04-25 General Electric Company Floating point accumulator circuit
JPH07120276B2 (ja) * 1986-03-10 1995-12-20 株式会社日立製作所 シミュレーションプログラム生成方法
DE4326703C1 (de) * 1993-08-09 1994-11-10 Forschungszentrum Juelich Gmbh Mehrkanalsignalintegrator und Arbeitsverfahren
JP3620887B2 (ja) * 1995-03-24 2005-02-16 株式会社ルネサステクノロジ データ処理装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720820A (en) * 1971-03-18 1973-03-13 Tektranex Inc Calculator with a hierarchy control system
JPS5025148A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-18 1975-03-17

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598974A (en) * 1967-09-15 1971-08-10 Sperry Rand Corp Programmable digital differential analyzer integrator
US3701890A (en) * 1970-12-08 1972-10-31 Allen Bradley Co Digital differential analyzer employing multiple overflow bits
US3934130A (en) * 1974-08-22 1976-01-20 General Electric Company Digital differential analyzer
JPS5556252A (en) * 1978-10-20 1980-04-24 Hitachi Ltd Digital differential analyzer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3720820A (en) * 1971-03-18 1973-03-13 Tektranex Inc Calculator with a hierarchy control system
JPS5025148A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-18 1975-03-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246872A1 (de) * 1981-12-18 1983-07-07 Hitachi, Ltd., Tokyo Digitaler gleitkomma-differentialanalysator
DE3246872C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1981-12-18 1988-02-11 Hitachi, Ltd., Tokio/Tokyo, Jp

Also Published As

Publication number Publication date
DE3132611C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-16
JPS5739472A (en) 1982-03-04
US4414640A (en) 1983-11-08
JPS6022371B2 (ja) 1985-06-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: G06F 7/64

8126 Change of the secondary classification

Ipc: G06F 15/328

8128 New person/name/address of the agent

Representative=s name: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBE

D2 Grant after examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee