JPH0187062U - - Google Patents
Info
- Publication number
- JPH0187062U JPH0187062U JP18366187U JP18366187U JPH0187062U JP H0187062 U JPH0187062 U JP H0187062U JP 18366187 U JP18366187 U JP 18366187U JP 18366187 U JP18366187 U JP 18366187U JP H0187062 U JPH0187062 U JP H0187062U
- Authority
- JP
- Japan
- Prior art keywords
- automobile
- power source
- source means
- heating element
- resistance heating
- 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
Links
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の概略構成図、第２図は動作を
説明するためのチヤートでａは入力電源電圧ＰＩ
と出力対地間電圧ＰＯ、ｂはのこぎり波ＶＮ（実
線）と自動電圧調整器からの出力ＶＲ（点線）、
ｃはＭＯＳ―ＦＥＴのゲートドライブ波形を示す
。
１……自動車用窓ガラス、２……抵抗発熱体、
７……第１の電源手段、８……第２の電源手段。
Fig. 1 is a schematic configuration diagram of the present invention, Fig. 2 is a chart for explaining the operation, and a is the input power supply voltage PI.
is the output voltage to ground PO, b is the sawtooth wave VN (solid line) and the output VR from the automatic voltage regulator (dotted line),
c shows the gate drive waveform of the MOS-FET. 1... Automobile window glass, 2... Resistance heating element,
7...First power supply means, 8...Second power supply means.
Claims (1)
自動車に標準的に搭載された第１の電源手段との
間に、前記抵抗発熱体に電力を供給する第２の電
源手段を設けた自動車用防曇装置において、第２
の電源手段は昇圧型スイツチングレギユレータ回
路から構成されるようにしたことを特徴とする自
動車用防曇装置。 A resistance heating element installed in an automobile window glass,
An anti-fogging device for an automobile, wherein a second power source means for supplying electric power to the resistance heating element is provided between the first power source means standardly mounted on the automobile.
An anti-fogging device for an automobile, characterized in that the power source means is constituted by a step-up switching regulator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18366187U JPH0187062U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18366187U JPH0187062U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187062U true JPH0187062U (en) | 1989-06-08 |
Family
ID=31475074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18366187U Pending JPH0187062U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187062U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790238A (en) * | 1979-10-09 | 1982-06-04 | Gen Electric | Heating piece control circuit for automobile |
-
1987
- 1987-12-01 JP JP18366187U patent/JPH0187062U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790238A (en) * | 1979-10-09 | 1982-06-04 | Gen Electric | Heating piece control circuit for automobile |
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