Terminal with interchangeable application module
First Claim
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1. In a terminal for receiving data through a manual data input means and for displaying data through a data display means, the combination comprising:
- a main unit for housing circuitry and including a bezel that provides a first opening through which the data display means is directed and a second opening located beneath the first opening which provides access to the circuitry within the main unit;
connector means mounted within the main unit, connected to said circuitry and oriented to face out through said second opening;
guideway means formed on the main unit and oriented to face out through said second opening;
an application module for mounting said data input means and including(a) a housing,(b) guide means supported by said housing for mating with said guideway means to align said housing over said second opening in the main unit, and(c) connection means mounted within said housing and being electrically coupled to said data input means, said connection means being oriented to engage and make electrical connection with said connector means in the main unit when the guide means is completely engaged with said guideway means; and
in which said guideway means defines two cylindrical cavities, each having a longitudinal axis which is parallel to the other, and the guide means on said application module includes two guideposts which are spaced apart and parallel to one another such that they are received within said cylindrical cavities.
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Abstract
A CRT terminal includes a main unit which houses circuitry and the CRT display. An application module which includes a keyboard plugs into the front of the main unit and electrically connects to its circuitry. A flexible membrane keyboard is employed which includes a keyboard overlay that is easily changed to provide keyboard symbols appropriate to a wide variety of different applications. Resilient bumpers extend completely around the main unit to facilitate its use in industrial applications where physical abuse is common.
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Citations
9 Claims
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1. In a terminal for receiving data through a manual data input means and for displaying data through a data display means, the combination comprising:
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a main unit for housing circuitry and including a bezel that provides a first opening through which the data display means is directed and a second opening located beneath the first opening which provides access to the circuitry within the main unit; connector means mounted within the main unit, connected to said circuitry and oriented to face out through said second opening; guideway means formed on the main unit and oriented to face out through said second opening; an application module for mounting said data input means and including (a) a housing, (b) guide means supported by said housing for mating with said guideway means to align said housing over said second opening in the main unit, and (c) connection means mounted within said housing and being electrically coupled to said data input means, said connection means being oriented to engage and make electrical connection with said connector means in the main unit when the guide means is completely engaged with said guideway means; and in which said guideway means defines two cylindrical cavities, each having a longitudinal axis which is parallel to the other, and the guide means on said application module includes two guideposts which are spaced apart and parallel to one another such that they are received within said cylindrical cavities. - View Dependent Claims (2, 3, 4)
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5. In a terminal for receiving data through a keyboard and for displaying data through a cathode ray tube display, the combination comprising:
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a main unit for housing circuitry and for mounting the cathode ray tube for display through an opening in a bezel which forms the front of the main unit; an application module mounted to the front of the main unit beneath the cathode ray tube display opening, said application module having a top which supports a flexible membrane keyboard having a switch matrix and a separate keyboard overlay; and a keyboard retainer frame which is pivotally connected to the application module for rotation between an upright position in which the keyboard overlay can be removed from on top of the switch matrix and an operating position in which it retains the keyboard overlay in place over the switch matrix, said keyboard retainer frame having a window through which the keyboard may be operated when the keyboard retainer frame is in its operating position. - View Dependent Claims (6, 7, 8, 9)
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Specification