Keyboard and notebook type computer

Details Keyboard and notebook type computer Keyboard and notebook type computer

1997-05-22

1999-11-30

Horabik, Michael

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

341 20, 400472, H03K 17967

Patent

active

059950242

ABSTRACT:
A keyboard of a notebook type computer that is small in size yet has a smooth key-in operation. The keyboard includes a plurality of keys including English letter key, with each of the keys having keytops arranged in transverse lines and vertical rows in a matrix manner, with a small gap between every two adjacent keytops. An arrangement of the keytops of the English letter keys is such that a pitch in a transverse direction is larger than that in a vertical direction, and a size of an upper surface of the keytop of the English letter key is such that a length in the transverse direction is larger than a length in the vertical direction.

REFERENCES:
patent: 5007008 (1991-04-01), Beers
patent: 5140632 (1992-08-01), Anten
patent: 5151696 (1992-09-01), Kasahara
patent: 5334976 (1994-08-01), Wang
patent: 5481645 (1996-01-01), Bertino et al.
patent: 5497151 (1996-03-01), Dombroski
A monthly Japanese magazine entitled Mobile PC, vol.2, No. 6, Jun. 1, 1996, pp. 25-19, with partial English language translation of relevant portions.
American National STandards for Human Factors Engineering of Visual Display Terminal Workstations, Jun. 1988.

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