KR20220035794A - 선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템 - Google Patents

선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템 Download PDF

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Publication number
KR20220035794A
KR20220035794A KR1020200117963A KR20200117963A KR20220035794A KR 20220035794 A KR20220035794 A KR 20220035794A KR 1020200117963 A KR1020200117963 A KR 1020200117963A KR 20200117963 A KR20200117963 A KR 20200117963A KR 20220035794 A KR20220035794 A KR 20220035794A
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KR
South Korea
Prior art keywords
measuring
manhole
conforming
separated frequency
measuring system
Prior art date
Application number
KR1020200117963A
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English (en)
Other versions
KR102387581B1 (ko
Inventor
양성철
Original Assignee
더본테크 주식회사
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Application filed by 더본테크 주식회사 filed Critical 더본테크 주식회사
Priority to KR1020200117963A priority Critical patent/KR102387581B1/ko
Publication of KR20220035794A publication Critical patent/KR20220035794A/ko
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Publication of KR102387581B1 publication Critical patent/KR102387581B1/ko

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/10—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
    • G01B11/105—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/12—Measuring arrangements characterised by the use of optical techniques for measuring diameters internal diameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G01B3/08—Rulers with scales or marks for direct reading rigid extensible
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
KR1020200117963A 2020-09-14 2020-09-14 선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템 KR102387581B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020200117963A KR102387581B1 (ko) 2020-09-14 2020-09-14 선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020200117963A KR102387581B1 (ko) 2020-09-14 2020-09-14 선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템

Publications (2)

Publication Number Publication Date
KR20220035794A true KR20220035794A (ko) 2022-03-22
KR102387581B1 KR102387581B1 (ko) 2022-04-18

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KR1020200117963A KR102387581B1 (ko) 2020-09-14 2020-09-14 선택적 배치에 따른 독립적 주파수 조사를 통한 맨홀 내부 메저링 시스템

Country Status (1)

Country Link
KR (1) KR102387581B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102633329B1 (ko) * 2023-06-28 2024-02-05 주식회사 에버헨 맨홀 작업 안전관리 장치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1194503A (ja) * 1997-09-22 1999-04-09 Kokusai Kogyo Co Ltd 深さ測定器
KR100893728B1 (ko) 2008-05-16 2009-04-17 김규현 하수관 검사장치 및 방법
KR20110052799A (ko) * 2009-11-13 2011-05-19 탑전자산업 주식회사 탐지 장치
KR101163116B1 (ko) 2012-01-18 2012-07-06 한진정보통신(주) 지상에서 작업 가능한 하수관 측정자
KR20160066819A (ko) 2014-12-03 2016-06-13 (주)미르 맨홀에 연결되는 상ㆍ하수관 측정장치 및 그 운용방법
KR102139280B1 (ko) * 2018-09-20 2020-07-30 한국전력공사 맨홀 점검 장치

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1194503A (ja) * 1997-09-22 1999-04-09 Kokusai Kogyo Co Ltd 深さ測定器
KR100893728B1 (ko) 2008-05-16 2009-04-17 김규현 하수관 검사장치 및 방법
KR20110052799A (ko) * 2009-11-13 2011-05-19 탑전자산업 주식회사 탐지 장치
KR101163116B1 (ko) 2012-01-18 2012-07-06 한진정보통신(주) 지상에서 작업 가능한 하수관 측정자
KR20160066819A (ko) 2014-12-03 2016-06-13 (주)미르 맨홀에 연결되는 상ㆍ하수관 측정장치 및 그 운용방법
KR102139280B1 (ko) * 2018-09-20 2020-07-30 한국전력공사 맨홀 점검 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102633329B1 (ko) * 2023-06-28 2024-02-05 주식회사 에버헨 맨홀 작업 안전관리 장치

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