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Image sensor assembly

  • US 4,491,865 A
  • Filed: 09/29/1982
  • Issued: 01/01/1985
  • Est. Priority Date: 09/29/1982
  • Status: Expired due to Term
First Claim
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1. A compact electo-optical imager assembly for use in the viewing head of an endoscope that includes:

  • an elongated housing having a circular opening passing axially therethrough and having a lens system mounted in the front of the opening for focusing an image of an external target onto an image plane situated inside the opening,an imaging unit mounted in the opening behind the lens system having a substantially circular substrate for supporting a solid state rectangular image sensor in a position to record image data focused in said image plane and convert said image data to an electrical output signal, and a circuit board mounted behind the substrate having circuit means connected to the image sensor,transmission lines passing into the housing through the back of the opening that are connected to the imaging unit for carrying signals into and out of the housing, andsealing means for hermetically closing the housing.

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