Title:
LEVEL CHECKER
Document Type and Number:
WIPO Patent Application WO/2010/114065
Kind Code:
A1
Abstract:
Provided is a level checker which is used to adjust the orientation (azimuth angle, angle of elevation) of a receiving antenna for receiving a transmission radio wave (television broadcast wave). The level checker comprises a means for storing therein the television broadcast wave and the position of a facility serving as a sender which sends the television broadcast wave, both of which are associated with each other, a means for detecting the position (device position) of the level checker, a means for detecting the orientation (device orientation) of a reference axis set in the level checker, a means for obtaining the orientation (facility orientation) from the device position toward an object facility position which is the position stored correspondingly to the television broadcast wave, and a means for displaying an image indicating the facility orientation on a display screen on the basis of the device orientation and the facility orientation on the premise that the display screen is held horizontally while being directed upward.
Inventors:
ITO YOSHIKAZU (JP)
Application Number:
PCT/JP2010/055942
Publication Date:
October 07, 2010
Filing Date:
March 31, 2010
Export Citation:
Assignee:
MASPRO DENKO KK (JP)
ITO YOSHIKAZU (JP)
ITO YOSHIKAZU (JP)
International Classes:
H04N17/00; G01R29/08; G01S3/40; H04B1/06; H04B1/16
Foreign References:
| JP2006086753A | 2006-03-30 | |||
| JPH05281324A | 1993-10-29 | |||
| JPH07131228A | 1995-05-19 | |||
| JP2007013236A | 2007-01-18 | |||
| JP2009239629A | 2009-10-15 | |||
| JPH0572315A | 1993-03-26 | |||
| JP2005354630A | 2005-12-22 | |||
| JP2002181915A | 2002-06-26 | |||
| JP2003078467A | 2003-03-14 | |||
| JPH09321523A | 1997-12-12 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
Nagoya international patent business corporation (JP)
Nagoya international patent business corporation (JP)
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