Endoscope system and method of unifying picture images in an endoscope system

• US 4,890,159 A
• Filed: 12/13/1988
• Issued: 12/26/1989
• Est. Priority Date: 02/04/1988
• Status: Expired due to Term

• Current Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Original Assignee: Olympus Optical Corporation Limited (Olympus Corporation)
• Inventors: Ogiu, Hisao
• Primary Examiner(s): Groody, James J.
• Assistant Examiner(s): Kostak, Victor R.
• Application Number:
  US07/283,826
• Time in Patent Office: 378 Days
• Field of Search: 358/98, 358/22, 358/160, 358/93, 382/46, 128/4, 128/6
• US Class Current: 348/72
• CPC Class Codes: A61B 1/00045 Display arrangement
• CPC Class Codes: A61B 1/05 characterised by the image sensor, e.g. camera, being in the distal end portion
• CPC Class Codes: H04N 23/54 Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
• CPC Class Codes: H04N 23/555 for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes

Abstract

This endoscope system comprises a plurality of types kind of endoscope apparatuses, a signal processing apparatus used in common with the plurality of types of endoscope apparatuses and which processes the output signal of the imaging apparatus of each endoscope apparatus to be a video signal and an apparatus for unifying the picture image in the signal output from the plurality of kinds of endoscope apparatus to be a right image or a mirror image and inputs the unified signal into the signal processing apparatus. The plurality of types of endoscope apparatuses have each an elongate insertable part, an image forming optical system provided in the tip part of the insertable part and an imaging apparatus imaging the object image formed by the image forming optical system. At least one endoscope is different from the other endoscopes in whether the image formed by the image forming optical system is a right image or a mirror image. A method of unifying the picture image in the signal output from the signal processing apparatus to be a right image or a mirror image includes unifying the picture image in the signal output from the endoscope apparatus into a right image or a mirror image before it is input into the signal processing apparatus.

Claims

1. An endoscope system in which the displayed image is unified comprising:

a plurality of types of endoscope apparatuses, each having an elongate insertable part, an image forming optical system provided in a tip part of said insertable part and an imaging means imaging an object image formed by said image forming optical system, at least one type of said plurality of types of endoscope apparatuses being different from the other types in respect to whether the object image formed by said image forming system is a right image or a mirror image;

a signal processing apparatus, used in common with said plurality of types of endoscope apparatuses, said signal processing apparatus using a same process in response to the type of the endoscope apparatus with respect to an inversion between the right image and the mirror image and said signal processing apparatus processing an output signal of said imaging means of each endoscope apparatus to be a video signal; and

a first unifying means for unifying the picture image in the signal output from said plurality of endoscopes to be the right image or the mirror image and for inputting the unified picture image into said signal processing apparatus, said first unifying means formed as counterparts to each of said endoscope apparatuses to unify the picture image in the signal output by the endoscope apparatuses and the first unifying means.

2. An endoscope system according to claim 1 wherein said plurality of types of endoscope apparatuses are further provided with a second unifying means for unifying a position of a rotating direction of the picture image in the output signal of said imaging means for all the endoscope apparatuses, said output signal input to said signal processing apparatus, said second unifying means formed as counterparts to each of said endoscope apparatuses.

3. An endoscope system according to claim 1 or 2 wherein said first unifying means has a means of making a scanning direction different among said plurality of kinds of endoscope apparatuses when reading out the signal of said imaging means.

4. An endoscope system according to claim 1 or 2 wherein said imaging means has a solid state imaging device and said first unifying means has a means of making a transferring direction of the horizontal transferring part of said solid state imaging device different among said plurality of types of endoscope apparatuses.

5. An endoscope system according to claim 2 wherein said imaging means has a solid state imaging device and, when the position of the rotating direction of the image formed by said image forming optical system is different depending on said image forming optical system, said second unifying means has a means of arranging in the same direction among said plurality of types of endoscopes said solid state imaging device with respect to a vertical direction of the image formed by said image forming optical system.

6. An endoscope system according to claim 1 or 2 wherein said first unifying means has a memory means for storing the signals from said imaging means and a memory controlling means which can change the order of writing the signal into said memory means and the order of reading the signal out of said memory means.

7. An endoscope system according to claim 6 wherein said memory means and memory controlling means are provided within a connector of said endoscope apparatus connected to said signal processing apparatus.

8. An endoscope system according to claim 6 wherein further including an adapter connecting said endoscope apparatus and said signal processing apparatus with each other and said memory means and memory controlling means are provided within said adapter.

9. An endoscope system according to claim 2 wherein said first unifying means and said second unifying means have as forming both means a memory means storing the signal from said imaging means and a memory controlling means which can change the order of writing the signal into said memory means and the order of reading the signal out of said memory means.

10. An endoscope system according to claim 9 wherein said memory means and memory controlling means are provided within a connector of the endoscope apparatus connected to said signal processing apparatus.

11. An endoscope system according to claim 9 wherein further including an adapter connecting said endoscope apparatus and said signal processing apparatus with each other, and said memory means and memory controlling means are provided within said adapter.

12. An endoscope system according to claim 1 or 2 wherein, in at least one type of said plurality of types of endoscopes, said imaging means has a solid state imaging device arranged in the image forming position of said image forming optical system within the tip part of said insertable part.

13. An endoscope system according to claim 1 or 2 wherein at least one type of said plurality of types of endoscope apparatus is further provided with an eyepiece part provided on the rear end side of said insertable part and an image transmitting means transmitting the object image formed by said image forming optical system to said eyepiece part.

19. An endoscope system according to claim 1 wherein said first unifying means is integrated into an inside of said endoscope apparatuses.

20. An endoscope system according to claim 2 wherein said second unifying means is integrated into an inside of said endoscope apparatuses.

14. An endoscope system in which the displayed picture image is unified comprising:

a plurality of types of endoscope apparatuses each having an elongate insertable part, an imaging forming optical system provided in a tip part of said insertable part and an imaging means using a solid state imaging device imaging an object image formed by said image forming optical system, at least one type of said plurality of types of endoscope apparatuses being different from the other types in size of said solid state imaging device;

a signal processing apparatus, used in common with said plurality of types of endoscope apparatuses, said signal processing apparatus using a same process in response to the type of endoscope apparatus with respect to an inversion between a right image and a mirror image and said signal processing apparatus processing an output signal of said imaging means of each endoscope apparatus to be a video signal; and

a first unifying means for unifying a picture image in the signal output from said plurality of endoscopes to be a right image or a mirror image and said first unifying means for inputting the picture image into said signal processing apparatus, said first unifying means formed as counterparts to each of said endoscope apparatuses to unify the picture image in the signal output from the endoscope apparatus and first unifying means.

15. In an endoscope apparatus comprising a plurality of types of endoscope apparatuses each having an elongate insertable part, an image forming optical system provided in a tip part of said insertable part and an imaging means imaging the object image formed by said image forming optical system, including at least one type of endoscope being a different type in which said image formed by said image forming optical system is a right image or mirror image, and a signal processing apparatus processing an output signal of said imaging means of each endoscope apparatus to be a video signal, a method of unifying the picture image in the signal output from said signal processing means to be a right image or mirror image including unifying the picture image in the signal output from said plurality of types of endoscope apparatus with a unifying means to be a right image or a mirror image before said picture image is input into said signal processing apparatus, said unifying means formed as counterparts to each of said endoscope apparatuses.

16. In an endoscope system comprising a plurality of types of endoscope apparatuses each having an elongate insertable part, an image forming optical system provided in a tip part of said insertable part and an imaging means imaging an object image formed by said image forming optical system, including at least one type of endoscope apparatus in which the image formed by said image forming optical system is different from the other types of endoscope apparatuses with respect to whether the image is a right image or a mirror image, and a signal processing apparatus processing an output signal of said imaging means of each endoscope apparatus to be a video signal, a method for unifying a picture image in the signal output from said plurality of types of endoscope apparatuses and input into said signal processing apparatus to be a right image or a mirror image including making a scanning direction different when reading out the signal of said imaging means from said endoscope apparatus which is different from said other types of endoscope apparatuses.

17. A method according to claim 16 wherein said imaging means has a solid state imaging device and a transferring direction of a horizontal transferring part of said solid state imaging device is different from said plurality of types of endoscope apparatuses in order to unify the picture image to be a right image or a mirror image.

18. In an endoscope system comprising a plurality of types of endoscope apparatuses, each having an elongate insertable part, an image forming optical system provided in a tip part of said insertable part and an imaging means imaging an object image formed by said image forming optical system, including at least one type of endoscope apparatus in which the image formed by said image forming optical system is different from the other types of endoscope apparatuses with respect to whether the image is a right image or a mirror image, a signal processing apparatus processing an output signal of said imaging means of each endoscope apparatus to be a video signal, a method of unifying a picture image in the signal output from said plurality of types of endoscope apparatuses and input into said signal processing apparatus to be a right image or a mirror image and unifying a position of a rotating direction including the steps of:

making a transferring direction of a horizontal transferring part of said solid state imaging device different from said plurality of types of endoscope apparatuses in order to unify the picture image to be the right image or the mirror image; and

arranging said solid state imaging device in a same direction with respect to a vertical direction of the image formed by said image forming optical system in order to unify a position of the rotating direction of the picture image.

21. An endoscope system in which a displayed image is unified comprising:

a plurality of types of endoscope apparatuses, each having an elongated insertable part, an image forming optical system provided in a tip part of said insertable part and an imaging means using a solid state imaging device imaging an object image formed by said image forming optical system, at least one type of said plurality of types of endoscope apparatuses being different from the other types in size of said solid state imaging device;

a signal processing apparatus used in common with said plurality of types of endoscope apparatuses, said signal processing apparatus having a same process in response to the type of the endoscope apparatus with respect to a positional alignment of a rotating direction of the picture image, and said signal processing apparatus processing the output signal of said imaging means of each endoscope apparatus to be a video signal; and

unifying means for unifying the position of the rotating direction of the picture image in the signal output from said plurality of endoscopes and input into said signal processing apparatus,

said unifying means formed as counterparts to each of said endoscope apparatuses to unify the rotating direction of the picture image in the signal output from said endoscope apparatus and said unifying means.