JPS55158530A - Testing method for waterproof of camera - Google Patents

Testing method for waterproof of camera

Info

Publication number
JPS55158530A
JPS55158530A JP6636779A JP6636779A JPS55158530A JP S55158530 A JPS55158530 A JP S55158530A JP 6636779 A JP6636779 A JP 6636779A JP 6636779 A JP6636779 A JP 6636779A JP S55158530 A JPS55158530 A JP S55158530A
Authority
JP
Japan
Prior art keywords
camera
waterproof
room
pressure gauge
cap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6636779A
Other languages
Japanese (ja)
Inventor
Seiji Tago
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Optical Co Ltd
Original Assignee
Nitto Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Optical Co Ltd filed Critical Nitto Optical Co Ltd
Priority to JP6636779A priority Critical patent/JPS55158530A/en
Publication of JPS55158530A publication Critical patent/JPS55158530A/en
Pending legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

PURPOSE: To enable one both to repair a damaged article and to perform the test quickly by examining a waterproof camera by using the air pressure difference between the inside and the outside of the camera.
CONSTITUTION: Since only a battery room 2 and a back cover 3 can freely be opened and closed in the waterproof camera, a cap 12 of the battery room 2 is removed, an air pump 17 is connected to the camera with a connecting pipe 18 through a pressure gauge 15 and valve 16, and a test cap 19 by which the camera room communicates with the pipe 18 is mounted on the camera. After the test cap 19 is set, the air pump 17 is operated to draw the air of the camera room through the hole 21, and when the pressure gauge 15 indicates a fixed degree of reduced pressure, the valve 16 is closed. Since a change of the reduction degree is gradually shown by the indicator of the pressure gauge 15 if a fault is present in the watertight structure of each part, the fact that there exists a defect of the waterproof in the camera can be known. Also the hole 21 that communicates with the connecting pipe 18 can be provided to the back cover 3.
COPYRIGHT: (C)1980,JPO&Japio
JP6636779A 1979-05-29 1979-05-29 Testing method for waterproof of camera Pending JPS55158530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6636779A JPS55158530A (en) 1979-05-29 1979-05-29 Testing method for waterproof of camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6636779A JPS55158530A (en) 1979-05-29 1979-05-29 Testing method for waterproof of camera

Publications (1)

Publication Number Publication Date
JPS55158530A true JPS55158530A (en) 1980-12-10

Family

ID=13313794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6636779A Pending JPS55158530A (en) 1979-05-29 1979-05-29 Testing method for waterproof of camera

Country Status (1)

Country Link
JP (1) JPS55158530A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534208A (en) * 1983-11-09 1985-08-13 Motorola, Inc. Method and apparatus for testing a sealed container
CN100582918C (en) 2008-09-08 2010-01-20 同致电子科技(厦门)有限公司 Method for sealing water-proof CCD camera
KR101160420B1 (en) * 2010-11-03 2012-06-26 엘지이노텍 주식회사 Method for manufacturing camera module
CN108534963A (en) * 2018-03-16 2018-09-14 昆山丘钛微电子科技有限公司 A kind of water proofing property detection method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101191A (en) * 1972-04-05 1973-12-20
JPS4940588A (en) * 1972-08-18 1974-04-16
JPS4960997A (en) * 1972-10-16 1974-06-13
JPS4981087A (en) * 1972-11-06 1974-08-05

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101191A (en) * 1972-04-05 1973-12-20
JPS4940588A (en) * 1972-08-18 1974-04-16
JPS4960997A (en) * 1972-10-16 1974-06-13
JPS4981087A (en) * 1972-11-06 1974-08-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534208A (en) * 1983-11-09 1985-08-13 Motorola, Inc. Method and apparatus for testing a sealed container
CN100582918C (en) 2008-09-08 2010-01-20 同致电子科技(厦门)有限公司 Method for sealing water-proof CCD camera
KR101160420B1 (en) * 2010-11-03 2012-06-26 엘지이노텍 주식회사 Method for manufacturing camera module
CN108534963A (en) * 2018-03-16 2018-09-14 昆山丘钛微电子科技有限公司 A kind of water proofing property detection method and system

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