SE398400B - Tangentbord - Google Patents

Tangentbord

Info

Publication number
SE398400B
SE398400B SE7505107A SE7505107A SE398400B SE 398400 B SE398400 B SE 398400B SE 7505107 A SE7505107 A SE 7505107A SE 7505107 A SE7505107 A SE 7505107A SE 398400 B SE398400 B SE 398400B
Authority
SE
Sweden
Prior art keywords
keyboard
Prior art date
Application number
SE7505107A
Other languages
English (en)
Swedish (sv)
Other versions
SE7505107L (sv
Inventor
Der Gaag H Van
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7505107L publication Critical patent/SE7505107L/xx
Publication of SE398400B publication Critical patent/SE398400B/xx

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)
SE7505107A 1974-05-06 1975-11-07 Tangentbord SE398400B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7406034A NL7406034A (nl) 1974-05-06 1974-05-06 Toetsenbord.

Publications (2)

Publication Number Publication Date
SE7505107L SE7505107L (sv) 1975-11-07
SE398400B true SE398400B (sv) 1977-12-19

Family

ID=19821304

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7505107A SE398400B (sv) 1974-05-06 1975-11-07 Tangentbord

Country Status (9)

Country Link
US (1) US4074261A (it)
JP (1) JPS50151424A (it)
CA (1) CA1036945A (it)
DE (1) DE2517903A1 (it)
FR (1) FR2270638A1 (it)
GB (1) GB1508502A (it)
IT (1) IT1037818B (it)
NL (1) NL7406034A (it)
SE (1) SE398400B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5211820A (en) * 1975-07-18 1977-01-29 Nippon Signal Co Ltd:The Tosh-button switch discriminator circuit
JPS52149029A (en) * 1976-06-04 1977-12-10 Seiko Epson Corp Keyboard
US4326194A (en) * 1979-04-16 1982-04-20 The Singer Company Dual encoded switching matrix
US4532497A (en) * 1983-01-14 1985-07-30 Polytel Corp. Matrix keyboard with plurality of sequences of cascaded electrical elements
DE9216956U1 (de) * 1992-12-12 1993-02-11 Skultety, Ivan, 50767 Köln Tastatur-Schalteinrichtung
US5584588A (en) * 1995-04-21 1996-12-17 Harbaugh; Gary B. Computer keyboard layout
DE10155421B4 (de) 2001-11-12 2007-11-29 Siemens Ag Tastaturfeld

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886335A (en) * 1973-01-26 1975-05-27 Ind Electronics Engineers Inc Collated cable matrix switch
JPS5319374B2 (it) * 1973-04-03 1978-06-20

Also Published As

Publication number Publication date
SE7505107L (sv) 1975-11-07
JPS50151424A (it) 1975-12-05
FR2270638A1 (it) 1975-12-05
CA1036945A (en) 1978-08-22
GB1508502A (en) 1978-04-26
US4074261A (en) 1978-02-14
NL7406034A (nl) 1975-11-10
DE2517903A1 (de) 1975-11-27
IT1037818B (it) 1979-11-20

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