JPH0171455U - - Google Patents

Info

Publication number
JPH0171455U
JPH0171455U JP1987167085U JP16708587U JPH0171455U JP H0171455 U JPH0171455 U JP H0171455U JP 1987167085 U JP1987167085 U JP 1987167085U JP 16708587 U JP16708587 U JP 16708587U JP H0171455 U JPH0171455 U JP H0171455U
Authority
JP
Japan
Prior art keywords
light emitting
emitting diode
control circuit
circuit
series
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
JP1987167085U
Other languages
Japanese (ja)
Other versions
JPH079393Y2 (en
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 filed Critical
Priority to JP1987167085U priority Critical patent/JPH079393Y2/en
Publication of JPH0171455U publication Critical patent/JPH0171455U/ja
Application granted granted Critical
Publication of JPH079393Y2 publication Critical patent/JPH079393Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す第１図相当図である。 図面中、１０は商用電源、１１は直流定電圧回
路、１２は制御回路、１６は整流素子、１９は電
圧分担抵抗、２０は第２の発光ダイオード（発光
ダイオード）、２１はスイツチングトランジスタ
である。 Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a diagram corresponding to FIG. 1 showing a conventional example. In the drawing, 10 is a commercial power supply, 11 is a DC constant voltage circuit, 12 is a control circuit, 16 is a rectifier, 19 is a voltage sharing resistor, 20 is a second light emitting diode (light emitting diode), and 21 is a switching transistor. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 商用電源と直流定電圧回路との間に整流素子及
び電圧分担抵抗を直列に設け、前記直流定電圧回
路の出力から制御回路に電力を供給すると共に、
前記制御回路により点灯制御される発光ダイオー
ドを設けたものにおいて、前記発光ダイオードを
前記電圧分担抵抗に直列に設け、且つ前記発光ダ
イオードに前記制御回路によりオンオフが制御さ
れるスイツチングトランジスタを並列接続したこ
とを特徴とする電気機器の発光ダイオード点灯制
御回路。 A rectifying element and a voltage sharing resistor are provided in series between a commercial power source and a DC constant voltage circuit, and power is supplied from the output of the DC constant voltage circuit to a control circuit,
In the light emitting diode whose lighting is controlled by the control circuit, the light emitting diode is connected in series with the voltage sharing resistor, and a switching transistor whose on/off is controlled by the control circuit is connected in parallel to the light emitting diode. A light emitting diode lighting control circuit for electrical equipment, characterized in that:
JP1987167085U 1987-10-30 1987-10-30 Light emitting diode lighting control circuit for electrical equipment Expired - Lifetime JPH079393Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987167085U JPH079393Y2 (en) 1987-10-30 1987-10-30 Light emitting diode lighting control circuit for electrical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987167085U JPH079393Y2 (en) 1987-10-30 1987-10-30 Light emitting diode lighting control circuit for electrical equipment

Publications (2)

Publication Number Publication Date
JPH0171455U true JPH0171455U (en) 1989-05-12
JPH079393Y2 JPH079393Y2 (en) 1995-03-06

Family

ID=31455062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987167085U Expired - Lifetime JPH079393Y2 (en) 1987-10-30 1987-10-30 Light emitting diode lighting control circuit for electrical equipment

Country Status (1)

Country Link
JP (1) JPH079393Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270456U (en) * 1985-10-23 1987-05-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6270456U (en) * 1985-10-23 1987-05-02

Also Published As

Publication number Publication date
JPH079393Y2 (en) 1995-03-06

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