Registers – Transfer mechanism – Traveling pawl
Patent
1975-04-30
1977-08-23
Malzahn, David H.
Registers
Transfer mechanism
Traveling pawl
58152R, 340324R, G04B 4700
Patent
active
040442420
ABSTRACT:
A selection and display arrangement for a small computer such as one capable of being worn on the wrist and having a dial face. To facilitate accurate entry of the digital and computational function data, display windows are separately provided on the dial face of the computer to display separately the selected digital and function selected data. An additional display window displays the computational result. The dial face carries indicia along its periphery representing the selectable data. Movable key means is mounted for movement around the periphery of the dial face, such that once positioned adjacent the location of a desired data item, a transverse movement of the key means accomplishes data entry.
REFERENCES:
patent: 3575577 (1971-04-01), Cunnane
patent: 3803834 (1974-04-01), Reese
patent: 3813533 (1974-05-01), Cone et al.
patent: 3816730 (1974-06-01), Yamamoto et al.
patent: 3855461 (1974-12-01), Stockwell
patent: 3911424 (1975-10-01), Giannuzzi
patent: D236271 (1975-08-01), Herczog
Ludeman & Strait "Wrist Worn Terminal" IBM Technical Disclosure Bulletin, vol. 15, No. 11, Apr. 1973 pp. 3350-3351.
"You say a shirt-pocket calculator's too big, buddy. . .?" Automation, May 1975, p. 50.
Ebauches S.A.
Malzahn David H.
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