Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1975-12-03
1977-06-14
Scott, James R.
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
200 6A, 200159B, 200340, 197102, 235156, H01H 1370, H01H 2500, G06F 738
Patent
active
040299155
ABSTRACT:
A portable electronic calculator comprises a calculator body which supports a keyboard consisting of a single elongated row of keys each of which is adapted to be tilted in any one of four directions by the finger tip of a user to input a selected one of four different information signals from said key to a calculator circuit located within the body. The results of the calculation are supplied to an indicator circuit in the body for viewing by the user through an elongated indicator opening which is disposed in alignment with the row of keys.
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Hoshidenkoseizo Kabushiki Kaisha
Scott James R.
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