IE792463L - Keyboard circuit - Google Patents

Keyboard circuit

Info

Publication number
IE792463L
IE792463L IE792463A IE246379A IE792463L IE 792463 L IE792463 L IE 792463L IE 792463 A IE792463 A IE 792463A IE 246379 A IE246379 A IE 246379A IE 792463 L IE792463 L IE 792463L
Authority
IE
Ireland
Prior art keywords
keyboard circuit
keyboard
circuit
Prior art date
Application number
IE792463A
Other versions
IE48718B1 (en
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of IE792463L publication Critical patent/IE792463L/en
Publication of IE48718B1 publication Critical patent/IE48718B1/en

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)
  • Electronic Switches (AREA)
IE2463/79A 1978-12-20 1979-12-18 Keyboard circuits IE48718B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2854934A DE2854934C3 (en) 1978-12-20 1978-12-20 Circuit arrangement for an input keyboard

Publications (2)

Publication Number Publication Date
IE792463L true IE792463L (en) 1980-06-20
IE48718B1 IE48718B1 (en) 1985-05-01

Family

ID=6057693

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2463/79A IE48718B1 (en) 1978-12-20 1979-12-18 Keyboard circuits

Country Status (6)

Country Link
JP (2) JPS5587229A (en)
DE (1) DE2854934C3 (en)
FR (1) FR2444973A1 (en)
GB (1) GB2038056B (en)
IE (1) IE48718B1 (en)
IT (1) IT1193347B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5152908U (en) * 1974-10-21 1976-04-22
JPS52117027A (en) * 1976-03-26 1977-10-01 Fujitsu Ltd Switch input data sampling
JPS5559533A (en) * 1978-10-30 1980-05-06 Fujitsu Ltd Switch matrix device

Also Published As

Publication number Publication date
FR2444973A1 (en) 1980-07-18
GB2038056B (en) 1982-05-19
IE48718B1 (en) 1985-05-01
DE2854934C3 (en) 1981-08-13
IT7928155A0 (en) 1979-12-18
JPS5587229A (en) 1980-07-01
DE2854934A1 (en) 1980-06-26
DE2854934B2 (en) 1980-10-09
FR2444973B3 (en) 1982-09-24
IT1193347B (en) 1988-06-15
JPS6275527U (en) 1987-05-14
GB2038056A (en) 1980-07-16

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