Surveying instrument

• US 20050275829A1
• Filed: 05/25/2005
• Published: 12/15/2005
• Est. Priority Date: 06/14/2004
• Status: Active Grant

• Current Assignee: Kabushiki Kaisha Topcon
• Original Assignee: Kabushikia Kaisha Topcon
• Inventors: Kobayashi, Masaaki, Kumagai, Kaoru, Ohtomo, Fumio
• Granted Patent: US 7,564,488 B2
• Time in Patent Office: Days
• US Class Current: 356/139
• CPC Class Codes: G01C 15/002 Active optical surveying means optical plumbing G01C15/105

Abstract

A surveying instrument, comprising a first image pickup unit for obtaining a first image in a collimating direction, a second image pickup unit for obtaining a second image highly magnified than the first image pickup unit, a display unit for displaying the images obtained by the first image pickup unit and the second image pickup unit, and a control unit for magnifying and continuously displaying the first image and the second image on the display unit.

Claims

1. A surveying instrument, comprising a first image pickup unit for obtaining a first image in a collimating direction, a second image pickup unit for obtaining a second image highly magnified than said first image pickup unit, a display unit for displaying the images obtained by said first image pickup unit and said second image pickup unit, and a control unit for magnifying and continuously displaying the first image and the second image on said display unit.

2. A surveying instrument according to claim 1, wherein the images obtained by said first image pickup unit and said second image pickup unit are a first digital image and a second digital image respectively.

3. A surveying instrument according to claim 2, wherein said control unit magnifies and displays the first digital image up to magnification of said second image pickup unit, and said control unit magnifies and displays the second digital image when magnification of the image is more than the magnification of said second image pickup unit.

4. A surveying instrument according to claim 2, wherein said control unit continuously magnifies and displays the first digital image up to magnification of said second image pickup unit, and said control unit continuously magnifies and displays the second digital image when magnification of the image is more than the magnification of said second image pickup unit.

5. A surveying instrument according to claim 2, wherein said control unit magnifies and displays the first digital image stepwise up to magnification of said second image pickup unit, and said control unit magnifies and displays the second digital image stepwise when magnification of the image is more than the magnification of said second image pickup unit.

6. A surveying instrument according to claim one of claims 2 to 5, wherein said display unit comprises a touch panel, and said control unit magnifies and displays the image around a position specified by said touch panel.