JPS60177384A - 文字表示器の光漏検査方法 - Google Patents

文字表示器の光漏検査方法

Info

Publication number
JPS60177384A
JPS60177384A JP3385284A JP3385284A JPS60177384A JP S60177384 A JPS60177384 A JP S60177384A JP 3385284 A JP3385284 A JP 3385284A JP 3385284 A JP3385284 A JP 3385284A JP S60177384 A JPS60177384 A JP S60177384A
Authority
JP
Japan
Prior art keywords
light
segments
character display
segment
light leakage
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.)
Granted
Application number
JP3385284A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0431111B2 (https=
Inventor
雄二 坂本
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.)
Rohm Co Ltd
Original Assignee
Rohm 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Priority to JP3385284A priority Critical patent/JPS60177384A/ja
Publication of JPS60177384A publication Critical patent/JPS60177384A/ja
Publication of JPH0431111B2 publication Critical patent/JPH0431111B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP3385284A 1984-02-23 1984-02-23 文字表示器の光漏検査方法 Granted JPS60177384A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3385284A JPS60177384A (ja) 1984-02-23 1984-02-23 文字表示器の光漏検査方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3385284A JPS60177384A (ja) 1984-02-23 1984-02-23 文字表示器の光漏検査方法

Publications (2)

Publication Number Publication Date
JPS60177384A true JPS60177384A (ja) 1985-09-11
JPH0431111B2 JPH0431111B2 (https=) 1992-05-25

Family

ID=12398033

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3385284A Granted JPS60177384A (ja) 1984-02-23 1984-02-23 文字表示器の光漏検査方法

Country Status (1)

Country Link
JP (1) JPS60177384A (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484496A (en) * 1977-12-19 1979-07-05 Toshiba Corp Check system of luminous display unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5484496A (en) * 1977-12-19 1979-07-05 Toshiba Corp Check system of luminous display unit

Also Published As

Publication number Publication date
JPH0431111B2 (https=) 1992-05-25

Similar Documents

Publication Publication Date Title
JP3176303B2 (ja) 信号処理装置
KR100342015B1 (ko) 프로브 카드
US4914307A (en) Optoelectronic device for contactless measurement of the dimensions of objects
US5065007A (en) Apparatus for measuring light output from semiconductor light emitting element
JPS60177384A (ja) 文字表示器の光漏検査方法
US20090021276A1 (en) Probe or Measuring Head with Illumination of the Contact Region
JPH03133183A (ja) 発光ダイオードアレイの試験装置
JP2008304215A (ja) センサヘッド及び変位測定器
JPS59230143A (ja) Ｌｅｄ表示器の光もれ検出装置
JP2528917B2 (ja) 光ファイバ心線対照装置
CN223625866U (zh) 一种内置光传感器的导光装置
JPS62263436A (ja) 発光素子輝度測定装置
JPS60177382A (ja) 文字表示器の輝度むら検査方法
JPS61239680A (ja) 発光ダイオ−ドアレイの試験方法
JPH05183192A (ja) 面発光・受光素子の検査装置
CN101881660B (zh) 产品的表面亮度的检测治具及检测方法
CN221506665U (zh) 一种透红外检测装置
CN223123876U (zh) 一种加热盘机构及其加热腔机构、薄膜沉积设备
CN222337334U (zh) 光传感器组件和测量系统
JPH06308163A (ja) プローブ装置
GB2178176B (en) Circuit testing
KR960003246Y1 (ko) 프레임판넬간격측정장치
Langley et al. Composite electro-optical testing of surface-mount device boards-one manufacturer's experience
SU1270569A1 (ru) Отсчетное устройство
JPH0317492Y2 (https=)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term