JPH01117120U - - Google Patents
Info
- Publication number
- JPH01117120U JPH01117120U JP1184088U JP1184088U JPH01117120U JP H01117120 U JPH01117120 U JP H01117120U JP 1184088 U JP1184088 U JP 1184088U JP 1184088 U JP1184088 U JP 1184088U JP H01117120 U JPH01117120 U JP H01117120U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- charging
- circuit
- capacitor
- comparison
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electronic Switches (AREA)
Description
第1図は本考案の一実施例になるタイマ回路の
回路図、第2図は第1図のタイマ回路を適用した
バツテリ充電回路の回路図、第3図は従来例にな
るタイマ回路の回路図を夫々示す。
1…電源端子、2…出力端子、4,12…比較
回路、11…IC、C2…充電用コンデンサ、V
r…基準電圧、D1…ダイオード。
Figure 1 is a circuit diagram of a timer circuit that is an embodiment of the present invention, Figure 2 is a circuit diagram of a battery charging circuit to which the timer circuit of Figure 1 is applied, and Figure 3 is a circuit diagram of a conventional timer circuit. Figures are shown respectively. 1... Power supply terminal, 2... Output terminal, 4, 12... Comparison circuit, 11... IC, C 2 ... Charging capacitor, V
r...Reference voltage, D1 ...Diode.
Claims (1)
とを比較し、比較結果を出力する比較回路とから
なり、 ダイオードのリーク電流を充電電流として該ダ
イオードに流す様にした事を特徴とするタイマ回
路。[Claims for Utility Model Registration] Comprising a comparison circuit that compares a reference voltage with a charging voltage charged in a capacitor and outputs the comparison result, and causes leakage current from a diode to flow through the diode as charging current. A timer circuit characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1184088U JPH01117120U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1184088U JPH01117120U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01117120U true JPH01117120U (en) | 1989-08-08 |
Family
ID=31220746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1184088U Pending JPH01117120U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01117120U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012133047A (en) * | 2010-12-20 | 2012-07-12 | Samsung Mobile Display Co Ltd | Display device |
-
1988
- 1988-01-29 JP JP1184088U patent/JPH01117120U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012133047A (en) * | 2010-12-20 | 2012-07-12 | Samsung Mobile Display Co Ltd | Display device |