JPS5837525U - Simple illuminance meter - Google Patents

Simple illuminance meter

Info

Publication number
JPS5837525U
JPS5837525U JP13244981U JP13244981U JPS5837525U JP S5837525 U JPS5837525 U JP S5837525U JP 13244981 U JP13244981 U JP 13244981U JP 13244981 U JP13244981 U JP 13244981U JP S5837525 U JPS5837525 U JP S5837525U
Authority
JP
Japan
Prior art keywords
transistor
emitting diode
light emitting
illuminance meter
collector terminal
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
JP13244981U
Other languages
Japanese (ja)
Inventor
重夫 野村
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP13244981U priority Critical patent/JPS5837525U/en
Publication of JPS5837525U publication Critical patent/JPS5837525U/en
Pending legal-status Critical Current

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  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は何れも本案の簡易型照度計の実施例に関し、第１
図は全体図、第２図は第１図のＡ−Ａ′断面図、第３図
は電気回路図である。 ２・・・硫化カドミウム受光体、ＶＲｌ・・・照度調節
用可変抵抗器、Ｑ４・・・第１トランジスタ、Ｄ□・・
・第１発光ダイオード、Ｑ５・・・第２トランジスタ、
Ｄ２・・・第、２発光ダイオード。The drawings are all related to the embodiment of the simple illuminance meter of this proposal.
The figure is an overall view, FIG. 2 is a sectional view taken along line A-A' in FIG. 1, and FIG. 3 is an electric circuit diagram. 2...Cadmium sulfide photoreceptor, VRl...variable resistor for illuminance adjustment, Q4...first transistor, D□...
・First light emitting diode, Q5... second transistor,
D2... No. 2 light emitting diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 受光体と照度調節用可変抵抗器との接続点に第１トラン
ジスタのベース端子を接続し、該第１トランジスタのコ
レクタ端子に第１発光ダイオードを接続し、さらにこの
コレクタ端子に第２トランジスタのベース端子をベース
抵抗を介して接続すると共に該第２トランジスタのコレ
クタ端子は第２発光ダイオードに接続し、前記受光体に
入射する光の明さにより前記第１、第２発光ダイオード
の何れかを選択的に点灯させてなる簡易型照度計。The base terminal of the first transistor is connected to the connection point between the photoreceptor and the variable resistor for illuminance adjustment, the first light emitting diode is connected to the collector terminal of the first transistor, and the base terminal of the second transistor is connected to the collector terminal. terminals are connected through a base resistor, and the collector terminal of the second transistor is connected to a second light emitting diode, and either the first or second light emitting diode is selected depending on the brightness of the light incident on the light receiving body. A simple illuminance meter that lights up.
JP13244981U 1981-09-04 1981-09-04 Simple illuminance meter Pending JPS5837525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13244981U JPS5837525U (en) 1981-09-04 1981-09-04 Simple illuminance meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13244981U JPS5837525U (en) 1981-09-04 1981-09-04 Simple illuminance meter

Publications (1)

Publication Number Publication Date
JPS5837525U true JPS5837525U (en) 1983-03-11

Family

ID=29925982

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13244981U Pending JPS5837525U (en) 1981-09-04 1981-09-04 Simple illuminance meter

Country Status (1)

Country Link
JP (1) JPS5837525U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010107390A (en) * 2008-10-30 2010-05-13 Okamura Corp Illumination intensity indicating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010107390A (en) * 2008-10-30 2010-05-13 Okamura Corp Illumination intensity indicating device

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