DK558986A - KEYBOARD - Google Patents

KEYBOARD

Info

Publication number
DK558986A
DK558986A DK558986A DK558986A DK558986A DK 558986 A DK558986 A DK 558986A DK 558986 A DK558986 A DK 558986A DK 558986 A DK558986 A DK 558986A DK 558986 A DK558986 A DK 558986A
Authority
DK
Denmark
Prior art keywords
keys
key
depressed
keyboard
keypad
Prior art date
Application number
DK558986A
Other languages
Danish (da)
Other versions
DK558986D0 (en
DK156464C (en
DK156464B (en
Inventor
Egon Noertoft Soerensen
Original Assignee
Egon Noertoft Soerensen
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 Egon Noertoft Soerensen filed Critical Egon Noertoft Soerensen
Priority to DK558986A priority Critical patent/DK156464C/en
Publication of DK558986D0 publication Critical patent/DK558986D0/en
Publication of DK558986A publication Critical patent/DK558986A/en
Publication of DK156464B publication Critical patent/DK156464B/en
Application granted granted Critical
Publication of DK156464C publication Critical patent/DK156464C/en

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  • Input From Keyboards Or The Like (AREA)

Abstract

Keypad comprising 7 keys 1-7 arranged so that 6 of the keys 1-6 are located around the middle key 7, thereby forming a figure of eight with 4 vertically oriented keys 1, 3, 4 and 6 and 3 horizontally oriented keys 2, 5 and 7. The key or keys that is/are not depressed forms the symbol which the depressed keys initiate. As a result it is possible to key 127 different symbols using no more than three fingers of the same hand, it being possible to activate up to three keys at a time with one finger. <IMAGE>
DK558986A 1986-11-21 1986-11-21 KEYBOARD DK156464C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK558986A DK156464C (en) 1986-11-21 1986-11-21 KEYBOARD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK558986A DK156464C (en) 1986-11-21 1986-11-21 KEYBOARD
DK558986 1986-11-21

Publications (4)

Publication Number Publication Date
DK558986D0 DK558986D0 (en) 1986-11-21
DK558986A true DK558986A (en) 1988-05-22
DK156464B DK156464B (en) 1989-08-28
DK156464C DK156464C (en) 1990-02-12

Family

ID=8143756

Family Applications (1)

Application Number Title Priority Date Filing Date
DK558986A DK156464C (en) 1986-11-21 1986-11-21 KEYBOARD

Country Status (1)

Country Link
DK (1) DK156464C (en)

Also Published As

Publication number Publication date
DK558986D0 (en) 1986-11-21
DK156464C (en) 1990-02-12
DK156464B (en) 1989-08-28

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