Electricity: circuit makers and breakers – Special application
Patent
1992-09-09
1994-11-29
Scott, J. R.
Electricity: circuit makers and breakers
Special application
200 4, 200 11G, 200 11R, 354486, 3542891, H01H 900, G03B 700
Patent
active
053692306
ABSTRACT:
A switch apparatus for use with a device. The switch apparatus includes a letter ring, associated with an operation member, that rotates together with a selection dial. The letter ring contains inscriptions, such as marks or figures thereon. A decorative plate includes a pointer to indicate the selected function. A rotation of the rotatable operation member causes a plurality of electrical conductors to change their ON/OFF electrical state. The plurality of electrical conductors form a code pattern representing a code that is interpreted by a control circuit to determine an operation mode selected by the rotational operation member. The switch apparatus further includes a push button that is depressed to, for example, activate a modification of the operation mode based upon the data of the code pattern of the code.
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French Search Report and Annex.
Asahi Kogaku Kogyo Kabushiki Kaisha
Scott J. R.
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