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Dual purpose, weather resistant data terminal keyboard assembly including audio porting

  • US 4,081,631 A
  • Filed: 12/08/1976
  • Issued: 03/28/1978
  • Est. Priority Date: 12/08/1976
  • Status: Expired due to Term
First Claim
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1. A dual purpose, weather resistant data terminal keyboard arrangement suitable for use in electronic apparatus which includes audio transducer means, the arrangement comprising:

  • a housing cover having a plurality of apertures selectively arranged therein;

    a multiplicity of key buttons having normal and depressed positions and supported immediately adjacent the rearmost side of the housing cover, each including a portion projecting through one of the housing cover apertures, the portions having apertures extending from above the upper surface of the housing cover to below the lower surface when the key button is in the normal position;

    a switching assembly positioned closely adjacent the rearmost side of the housing cover and having portions adjacent the key buttons spaced apart therefrom when said key buttons are in the normal position, the assembly having switches thereon for cooperating with the key buttons to close circuits in the apparatus, the assembly having apertures therethrough non-aligned with the housing cover and key button apertures; and

    wherein when the transducer means is positioned immediately adjacent the rearmost end of the switching assembly apertures, weather protection for and indirect sound paths to the transducer means are provided through the apertures in the housing cover, the key buttons and the switching assembly.

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