FR2227580B1 - - Google Patents

Info

Publication number
FR2227580B1
FR2227580B1 FR7414090A FR7414090A FR2227580B1 FR 2227580 B1 FR2227580 B1 FR 2227580B1 FR 7414090 A FR7414090 A FR 7414090A FR 7414090 A FR7414090 A FR 7414090A FR 2227580 B1 FR2227580 B1 FR 2227580B1
Authority
FR
France
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.)
Expired
Application number
FR7414090A
Other versions
FR2227580A1 (fr
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.)
Olivetti SpA
Original Assignee
Olivetti SpA
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 Olivetti SpA filed Critical Olivetti SpA
Publication of FR2227580A1 publication Critical patent/FR2227580A1/fr
Application granted granted Critical
Publication of FR2227580B1 publication Critical patent/FR2227580B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning
FR7414090A 1973-04-24 1974-04-23 Expired FR2227580B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68155/73A IT980896B (it) 1973-04-24 1973-04-24 Perfezionamenti alle calcolatri ci elettroniche

Publications (2)

Publication Number Publication Date
FR2227580A1 FR2227580A1 (fr) 1974-11-22
FR2227580B1 true FR2227580B1 (fr) 1978-04-21

Family

ID=11308214

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7414089A Expired FR2227581B1 (fr) 1973-04-24 1974-04-23
FR7414090A Expired FR2227580B1 (fr) 1973-04-24 1974-04-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7414089A Expired FR2227581B1 (fr) 1973-04-24 1974-04-23

Country Status (8)

Country Link
US (2) US3978453A (fr)
JP (2) JPS5726366B2 (fr)
BR (1) BR7403264D0 (fr)
CA (2) CA1018664A (fr)
DE (2) DE2420058A1 (fr)
FR (2) FR2227581B1 (fr)
GB (2) GB1470104A (fr)
IT (1) IT980896B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189773A (en) * 1974-07-03 1980-02-19 General Electric Company On-line memory space allocation
JPS5228819A (en) * 1975-08-29 1977-03-04 Sharp Corp Key input device
IT1047994B (it) * 1975-09-11 1980-10-20 Olivetti C E C S P A Dispositivo di guida dell operatore per calcolatrici elettroniche contabili e simili macchine programmabili
DE2617485C3 (de) * 1976-04-22 1980-09-18 Nixdorf Computer Ag, 4790 Paderborn Schaltungsanordnung für Datenverarbeitungsanlagen zur Abarbeitung von Mikrobefehlsfolgen
US4041462A (en) * 1976-04-30 1977-08-09 International Business Machines Corporation Data processing system featuring subroutine linkage operations using hardware controlled stacks
US4241403A (en) * 1976-06-23 1980-12-23 Vapor Corporation Method for automated analysis of vehicle performance
JPS53145796U (fr) * 1977-04-22 1978-11-16
DE2756327C2 (de) * 1977-12-17 1979-11-15 Deutsche Itt Industries Gmbh, 7800 Freiburg Schaltung sanordnung für eine Eingabetastatur
JPS5498090U (fr) * 1977-12-21 1979-07-11
CA1122714A (fr) * 1978-02-23 1982-04-27 Cyril Endfield Appareil portatif a clavier
JPS5820982Y2 (ja) * 1978-05-10 1983-05-02 オムロン株式会社 ブツクマツト式キ−ボ−ド
US4310881A (en) * 1979-09-21 1982-01-12 Bell Telephone Laboratories, Incorporated Conditional transfer control circuit
US4382278A (en) * 1980-06-05 1983-05-03 Texas Instruments Incorporated Hierarchial memory system with microcommand memory and pointer register mapping virtual CPU registers in workspace cache #4 and main memory cache
GB2083669B (en) * 1980-09-05 1985-01-03 Casio Computer Co Ltd Key data entry system
JPS57155642A (en) * 1981-03-23 1982-09-25 Nissan Motor Co Ltd Computer capable of using correcting memory
JPS588381A (ja) * 1981-07-07 1983-01-18 Nippon Denso Co Ltd バ−コ−ド読取装置
US4471428A (en) * 1982-01-12 1984-09-11 Dshkhunian Valery Microcomputer processor
JPS59230112A (ja) * 1983-06-13 1984-12-24 Hitachi Ltd 車載用電子表示式計器盤
US4891754A (en) * 1987-07-02 1990-01-02 General Datacomm Inc. Microinstruction sequencer for instructing arithmetic, logical and data move operations in a conditional manner
US4926355A (en) * 1987-07-02 1990-05-15 General Datacomm, Inc. Digital signal processor architecture with an ALU and a serial processing section operating in parallel
US5136662A (en) * 1988-12-13 1992-08-04 Matsushita Electric Industrial Co., Ltd. Image processor for sequential processing of successive regions of an image

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3348211A (en) * 1964-12-10 1967-10-17 Bell Telephone Labor Inc Return address system for a data processor
DE1774038A1 (de) * 1967-04-01 1971-07-29 Olivetti & Co Spa Elektronische Rechenanlage
GB1246128A (en) * 1967-12-14 1971-09-15 Olivetti & Co Spa Electronic computer
US3568158A (en) * 1968-01-03 1971-03-02 Bell Telephone Labor Inc Program and subroutine data storage and retrieval equipment
US3544975A (en) * 1968-05-24 1970-12-01 Bell Telephone Labor Inc Data insertion in a content addressable sequentially ordered file
US3593313A (en) * 1969-12-15 1971-07-13 Computer Design Corp Calculator apparatus
US3693162A (en) * 1970-10-14 1972-09-19 Hewlett Packard Co Subroutine call and return means for an electronic calculator
US3760171A (en) * 1971-01-12 1973-09-18 Wang Laboratories Programmable calculators having display means and multiple memories
US3745536A (en) * 1971-03-01 1973-07-10 Burroughs Corp High speed serial scan and read-out of keyboards
US3863060A (en) * 1972-10-30 1975-01-28 Hewlett Packard Co General purpose calculator with capability for performing interdisciplinary business calculations
JPS5235582B2 (fr) * 1972-11-11 1977-09-09

Also Published As

Publication number Publication date
US3978453A (en) 1976-08-31
US4079447A (en) 1978-03-14
BR7403264D0 (pt) 1974-11-19
FR2227580A1 (fr) 1974-11-22
FR2227581B1 (fr) 1978-01-20
IT980896B (it) 1974-10-10
DE2420057A1 (de) 1974-11-21
GB1470104A (en) 1977-04-14
DE2420058A1 (de) 1974-11-21
GB1455215A (en) 1976-11-10
JPS5031750A (fr) 1975-03-28
FR2227581A1 (fr) 1974-11-22
JPS5031740A (fr) 1975-03-28
CA1018664A (en) 1977-10-04
JPS5726366B2 (fr) 1982-06-04
CA1023475A (fr) 1977-12-27

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Legal Events

Date Code Title Description
ST Notification of lapse