JPS6368672U - - Google Patents
Info
- Publication number
- JPS6368672U JPS6368672U JP16299886U JP16299886U JPS6368672U JP S6368672 U JPS6368672 U JP S6368672U JP 16299886 U JP16299886 U JP 16299886U JP 16299886 U JP16299886 U JP 16299886U JP S6368672 U JPS6368672 U JP S6368672U
- Authority
- JP
- Japan
- Prior art keywords
- flash lamp
- flash
- charging
- capacitor
- fixing device
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Fixing For Electrophotography (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
第１図は本考案に係る異常検出回路図、第２図
はそのタイムチヤート、第３図は発光回数と最低
発光電圧との関係図、第４図は充電時間と充電電
圧との関係図、第５図はフラツシユ定着装置の構
成図、第６図は従来の異常検出回路図、第７図は
そのタイムチヤートである。
図において、１６はコンデンサ、１８はフラツ
シユランプを示す。
Fig. 1 is an abnormality detection circuit diagram according to the present invention, Fig. 2 is a time chart thereof, Fig. 3 is a relation diagram between the number of times of light emission and the lowest light emission voltage, and Fig. 4 is a relation diagram between charging time and charging voltage. FIG. 5 is a block diagram of a flash fixing device, FIG. 6 is a conventional abnormality detection circuit diagram, and FIG. 7 is a time chart thereof. In the figure, 16 is a capacitor, and 18 is a flash lamp.
Claims (1)
シユランプを発光させる手段を有した電子写真式
印刷装置のフラツシユ定着装置において、規定電
圧より低い電圧に前記コンデンサを充電し、前記
フラツシユランプを発光する手段を具備し、前記
フラツシユランプの発光の有無を検出することに
より、前記フラツシユランプの寿命を予測する手
段を有したことを特徴とする電子写真式印刷装置
のフラツシユ定着装置。 In a flash fixing device for an electrophotographic printing apparatus having means for charging a capacitor to a specified voltage and means for emitting light from a flash lamp, means for charging the capacitor to a voltage lower than the specified voltage and causing the flash lamp to emit light. A flash fixing device for an electrophotographic printing apparatus, comprising means for predicting the lifespan of the flash lamp by detecting whether or not the flash lamp emits light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16299886U JPH0443903Y2 (en) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16299886U JPH0443903Y2 (en) | 1986-10-24 | 1986-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6368672U true JPS6368672U (en) | 1988-05-09 |
| JPH0443903Y2 JPH0443903Y2 (en) | 1992-10-16 |
Family
ID=31090794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16299886U Expired JPH0443903Y2 (en) | 1986-10-24 | 1986-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0443903Y2 (en) |
-
1986
- 1986-10-24 JP JP16299886U patent/JPH0443903Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0443903Y2 (en) | 1992-10-16 |
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