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Endoscope having bent circuit board

  • US 4,741,327 A
  • Filed: 04/14/1987
  • Issued: 05/03/1988
  • Est. Priority Date: 04/30/1986
  • Status: Expired due to Term
First Claim
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1. An endoscope comprising:

  • an insertion section having a hard distal end portion;

    an objective optical system arranged in said distal end portion of said insertion section;

    an optical element one side surface of which is in contact with a proximal end face of said objective optical system, said optical element being adapted to change a direction of an optical path into a direction substantially perpendicular to an optical axis of said objective optical system;

    a solid-state image sensor mounted on the other side surface of said optical element, said image sensor being adapted to convert light incident on said objective optical system into an electrical signal; and

    a circuit board having an electrical circuit connected to said solid-state image sensor, said circuit board being bent to surround said optical element.

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