Importance

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Abstract

Electronic circuit apparatus in the form of a transaction terminal and including a removable circuit component in the form of a portable memory cartridge. The terminal has a housing with a wall defining an opening for inserting the removable circuit component. A switch is mounted within the housing means substantially in the vicinity of the opening and is connected between a source of electric power and the removable circuit component to control application of power to the removable circuit component. A carrier arrangement carries the removable circuit component between a connected position within the housing and a disconnected position for removal from the housing through the opening. The carrier including a switch actuator and a cooperative interlock means. The switch actuator operates the switch to be ON and simultaneously locks the carrier within the housing. The switch actuator also functions to turn the switch OFF and simultaneously unlock the carrier for removal from the housing.

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First Claim