FR2412118B1 - Circuit de clavier d'entree - Google Patents

Circuit de clavier d'entree

Info

Publication number
FR2412118B1
FR2412118B1 FR7835332A FR7835332A FR2412118B1 FR 2412118 B1 FR2412118 B1 FR 2412118B1 FR 7835332 A FR7835332 A FR 7835332A FR 7835332 A FR7835332 A FR 7835332A FR 2412118 B1 FR2412118 B1 FR 2412118B1
Authority
FR
France
Prior art keywords
input keyboard
keyboard circuit
circuit
input
keyboard
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
Application number
FR7835332A
Other languages
English (en)
French (fr)
Other versions
FR2412118A1 (fr
Inventor
Dieter Holzmann
Joachim Grosse
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2412118A1 publication Critical patent/FR2412118A1/fr
Application granted granted Critical
Publication of FR2412118B1 publication Critical patent/FR2412118B1/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
    • H03M11/22—Static coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Selective Calling Equipment (AREA)
FR7835332A 1977-12-17 1978-12-15 Circuit de clavier d'entree Expired FR2412118B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2756327A DE2756327C2 (de) 1977-12-17 1977-12-17 Schaltung sanordnung für eine Eingabetastatur

Publications (2)

Publication Number Publication Date
FR2412118A1 FR2412118A1 (fr) 1979-07-13
FR2412118B1 true FR2412118B1 (fr) 1986-05-30

Family

ID=6026400

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835332A Expired FR2412118B1 (fr) 1977-12-17 1978-12-15 Circuit de clavier d'entree

Country Status (6)

Country Link
US (1) US4251805A (enExample)
JP (1) JPS5487118A (enExample)
DE (1) DE2756327C2 (enExample)
FR (1) FR2412118B1 (enExample)
GB (1) GB2010556B (enExample)
IT (1) IT1192301B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318087A (en) * 1980-09-08 1982-03-02 Rca Corporation Switch closure sensing circuit
US4959810A (en) * 1987-10-14 1990-09-25 Universal Electronics, Inc. Universal remote control device
US6014092A (en) 1987-10-14 2000-01-11 Universal Electronics Inc. Key mover
US5515052A (en) * 1987-10-14 1996-05-07 Universal Electronics Inc. Universal remote control with function synthesis
IL93444A (en) * 1989-04-27 1994-05-30 Motorola Inc Method and unit for communication with communication systems with different operating modes
CN1751504B (zh) * 2003-02-14 2010-05-26 汤姆森许可贸易公司 电视接收机中用于自动检测与其连接的键盘的类型的装置
US7054205B2 (en) * 2003-10-28 2006-05-30 Agilent Technologies, Inc. Circuit and method for determining integrated circuit propagation delay
CN111628781B (zh) * 2020-06-17 2023-07-14 玉林师范学院 一种基于rs232串口通信的矩阵键盘

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456077A (en) * 1965-09-22 1969-07-15 Navigation Computer Corp High speed electronic keyboard assembly
DE1961051A1 (de) 1969-12-05 1971-06-09 Siemens Ag Vorrichtung zum Umwandeln von auf einem Formular gespeicherten Informationen in elektrische Signale
JPS5019374Y1 (enExample) * 1970-11-25 1975-06-12
JPS5217377B1 (enExample) * 1971-02-04 1977-05-14
IT980896B (it) * 1973-04-24 1974-10-10 Olivetti & Co Spa Perfezionamenti alle calcolatri ci elettroniche
FR2257080B1 (enExample) 1974-01-08 1976-05-14 Sud Ouest Ste Nationale Gaz
JPS5187917A (enExample) * 1975-01-31 1976-07-31 Hitachi Ltd
JPS5221729A (en) * 1975-08-11 1977-02-18 Sharp Corp Key input device
JPS5936755B2 (ja) * 1976-07-02 1984-09-05 株式会社河合楽器製作所 キ−アサイナ

Also Published As

Publication number Publication date
US4251805A (en) 1981-02-17
IT1192301B (it) 1988-03-31
JPS5487118A (en) 1979-07-11
DE2756327C2 (de) 1979-11-15
GB2010556B (en) 1982-01-20
DE2756327B1 (de) 1979-03-29
IT7830861A0 (it) 1978-12-15
GB2010556A (en) 1979-06-27
JPS6242286B2 (enExample) 1987-09-08
FR2412118A1 (fr) 1979-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse