FR2194326A5 - - Google Patents

Info

Publication number
FR2194326A5
FR2194326A5 FR7325780A FR7325780A FR2194326A5 FR 2194326 A5 FR2194326 A5 FR 2194326A5 FR 7325780 A FR7325780 A FR 7325780A FR 7325780 A FR7325780 A FR 7325780A FR 2194326 A5 FR2194326 A5 FR 2194326A5
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
FR7325780A
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 Ltd
Original Assignee
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 Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of FR2194326A5 publication Critical patent/FR2194326A5/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Calculators And Similar Devices (AREA)
FR7325780A 1972-07-26 1973-07-13 Expired FR2194326A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47074204A JPS4933527A (fr) 1972-07-26 1972-07-26

Publications (1)

Publication Number Publication Date
FR2194326A5 true FR2194326A5 (fr) 1974-02-22

Family

ID=13540408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7325780A Expired FR2194326A5 (fr) 1972-07-26 1973-07-13

Country Status (7)

Country Link
US (1) US3987437A (fr)
JP (1) JPS4933527A (fr)
DE (1) DE2337046A1 (fr)
FR (1) FR2194326A5 (fr)
GB (2) GB1388369A (fr)
IT (1) IT991405B (fr)
NL (1) NL7310367A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096935A (en) * 1974-02-22 1978-06-27 Canon Kabushiki Kaisha Input device
GB1601863A (en) * 1977-03-30 1981-11-04 Citizen Watch Co Ltd Portable electronic device and input circuit therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202391A (en) * 1967-05-09 1970-08-19 American Mach & Foundry Business machine
GB1266687A (fr) * 1968-07-19 1972-03-15
US3631403A (en) * 1969-09-08 1971-12-28 Singer Co Retail sales transaction terminal
JPS5249288B1 (fr) * 1970-03-10 1977-12-16
US3651463A (en) * 1970-04-17 1972-03-21 Medidata Soiences Inc Switch coding circuitry
US3715746A (en) * 1971-03-10 1973-02-06 Omron Tateisi Electronics Co Keyboard input device
JPS4931232A (fr) * 1972-07-21 1974-03-20

Also Published As

Publication number Publication date
US3987437A (en) 1976-10-19
GB1388369A (en) 1975-03-26
GB35278A (fr)
IT991405B (it) 1975-07-30
JPS4933527A (fr) 1974-03-28
NL7310367A (fr) 1974-01-29
DE2337046A1 (de) 1974-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse