JPH0216627B2 - - Google Patents

Info

Publication number
JPH0216627B2
JPH0216627B2 JP57227846A JP22784682A JPH0216627B2 JP H0216627 B2 JPH0216627 B2 JP H0216627B2 JP 57227846 A JP57227846 A JP 57227846A JP 22784682 A JP22784682 A JP 22784682A JP H0216627 B2 JPH0216627 B2 JP H0216627B2
Authority
JP
Japan
Prior art keywords
data
keyboard
clock
line
signal
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.)
Expired - Lifetime
Application number
JP57227846A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59123336A (ja
Inventor
Satoshi Tajima
Shinpei Watanabe
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to JP57227846A priority Critical patent/JPS59123336A/ja
Priority to CA000439560A priority patent/CA1205205A/en
Priority to US06/559,559 priority patent/US4644497A/en
Priority to DE8383112634T priority patent/DE3380042D1/de
Priority to EP19830112634 priority patent/EP0114998B1/en
Publication of JPS59123336A publication Critical patent/JPS59123336A/ja
Priority to SG1590A priority patent/SG1590G/en
Priority to HK18690A priority patent/HK18690A/xx
Publication of JPH0216627B2 publication Critical patent/JPH0216627B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/076—Error or fault detection not based on redundancy by exceeding limits by exceeding a count or rate limit, e.g. word- or bit count limit
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Human Computer Interaction (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
JP57227846A 1982-12-28 1982-12-28 直列キ−ボ−ド・インタフエ−ス・システム Granted JPS59123336A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP57227846A JPS59123336A (ja) 1982-12-28 1982-12-28 直列キ−ボ−ド・インタフエ−ス・システム
CA000439560A CA1205205A (en) 1982-12-28 1983-10-24 Serial keyboard interface system
US06/559,559 US4644497A (en) 1982-12-28 1983-12-08 Serial keyboard interface system with frame retransmission after non-timely acknowledgements from data processor
DE8383112634T DE3380042D1 (en) 1982-12-28 1983-12-15 Serial keyboard interface system
EP19830112634 EP0114998B1 (en) 1982-12-28 1983-12-15 Serial keyboard interface system
SG1590A SG1590G (en) 1982-12-28 1990-01-10 Serial keyboard interface system
HK18690A HK18690A (en) 1982-12-28 1990-03-08 Serial keyboard interface system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57227846A JPS59123336A (ja) 1982-12-28 1982-12-28 直列キ−ボ−ド・インタフエ−ス・システム

Publications (2)

Publication Number Publication Date
JPS59123336A JPS59123336A (ja) 1984-07-17
JPH0216627B2 true JPH0216627B2 (enExample) 1990-04-17

Family

ID=16867284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57227846A Granted JPS59123336A (ja) 1982-12-28 1982-12-28 直列キ−ボ−ド・インタフエ−ス・システム

Country Status (3)

Country Link
US (1) US4644497A (enExample)
JP (1) JPS59123336A (enExample)
CA (1) CA1205205A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219633A (ja) * 1982-06-14 1983-12-21 Alps Electric Co Ltd マイコン化エンコ−ダを有するキ−ボ−ド
JPS61223924A (ja) * 1985-03-29 1986-10-04 Hitachi Ltd 信号伝送方式
US4845522A (en) * 1986-11-04 1989-07-04 Hiroyuki Kataoka Data communication system for camera system
US5146584A (en) * 1989-02-27 1992-09-08 Data General Corporation Keyboard interface system allowing a synchronous keyboard to communicate with a host processor asynchronously by manipulating the keyboard clock's state
US5056057A (en) * 1989-05-03 1991-10-08 Compaq Computer Corporation Keyboard interface for use in computers incorporating terminate-and-stay-resident programs
US5146567A (en) * 1989-08-22 1992-09-08 Acer Incorporated Keyboard interface
US5210867A (en) * 1990-10-05 1993-05-11 Bull Hn Information Systems Inc. Method and apparatus for memory retry
US5459462A (en) * 1993-12-09 1995-10-17 Onspec Electronic, Inc. Keyboard controller state machine
IL112927A (en) * 1995-03-07 1998-07-15 Powerspectrum Technology Ltd An appointment unit for use in a multi-approach communication system
JP3233571B2 (ja) * 1996-04-30 2001-11-26 アルプス電気株式会社 信号処理システム
JP4074406B2 (ja) * 1999-03-17 2008-04-09 インターナショナル・ビジネス・マシーンズ・コーポレーション 特殊キーに割り当てた複数のキー機能を切り替える方法
US7446676B2 (en) * 2005-12-28 2008-11-04 Broadcom Corporation Self-scan programmable keypad interface

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200913A (en) * 1977-04-13 1980-04-29 International Business Machines Corporation Operator controlled programmable keyboard apparatus
US4354252A (en) * 1977-09-27 1982-10-12 Motorola, Inc. Programmable digital data terminal for mobile radio transceivers
US4271479A (en) * 1977-10-20 1981-06-02 International Business Machines Corporation Display terminal with modularly attachable features
JPS5495105A (en) * 1978-01-13 1979-07-27 Hitachi Ltd Data transfer system
JPS55129826A (en) * 1979-03-28 1980-10-08 Canon Inc Input unit
FR2483657B1 (fr) * 1980-05-30 1986-11-21 Bull Sa Machine portable pour le calcul ou le traitement de l'information
US4392197A (en) * 1980-08-12 1983-07-05 Pitney Bowes Inc. Print control circuit for a word processing system
US4527250A (en) * 1980-09-11 1985-07-02 Allen-Bradley Company Video computer terminal with detachable intelligent keyboard module
JPS57105023A (en) * 1980-12-23 1982-06-30 Toshiba Corp Data transfer system
US4460957A (en) * 1981-08-12 1984-07-17 International Business Machines Corporation Self-pacing serial keyboard interface for data processing system
US4532416A (en) * 1983-01-03 1985-07-30 Patrick Berstein Transaction terminal with simplified data entry
US4536647A (en) * 1983-07-15 1985-08-20 Atalla Corporation Pocket banking terminal, method and system

Also Published As

Publication number Publication date
JPS59123336A (ja) 1984-07-17
CA1205205A (en) 1986-05-27
US4644497A (en) 1987-02-17

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