JPH048117U - - Google Patents
Info
- Publication number
- JPH048117U JPH048117U JP4522290U JP4522290U JPH048117U JP H048117 U JPH048117 U JP H048117U JP 4522290 U JP4522290 U JP 4522290U JP 4522290 U JP4522290 U JP 4522290U JP H048117 U JPH048117 U JP H048117U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- resistor
- power supply
- collector
- base
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Control Of Electrical Variables (AREA)
Description
第1図は本考案による電源保持回路の一実施例
を示す回路図であり、第2図は従来の実施例を示
す回路図である。
図中、1は電源部、2はダイオード、3,4,
10,11,13,16,18は抵抗、5,12
,15,17はトランジスタ、6は電源保持電池
、7は被電源保持部、8は短絡端子、9はツエナ
ーダイオード、14はコンデンサである。
FIG. 1 is a circuit diagram showing an embodiment of a power supply holding circuit according to the present invention, and FIG. 2 is a circuit diagram showing a conventional embodiment. In the figure, 1 is a power supply section, 2 is a diode, 3, 4,
10, 11, 13, 16, 18 are resistances, 5, 12
, 15 and 17 are transistors, 6 is a power supply holding battery, 7 is a power supply holding section, 8 is a short-circuit terminal, 9 is a Zener diode, and 14 is a capacitor.
Claims (1)
ダイオードのカソードを被電源保持回路に接続し
た電源供給回路と、該ダイオードのカソードと該
被電源保持回路の接続点より第1抵抗器を介し第
1トランジスタのコレクタに接続し、第1トラン
ジスタのエミツタを電池を介して接地した電源保
持回路と、該第1トランジスタのベースと第2ト
ランジスタのコレクタを第2抵抗器を介し接続し
、第1トランジスタのコレクタと第2トランジス
タのベースを第3抵抗器を介し接続し、第2トラ
ンジスタのエミツタを接地した制御回路と、第2
トランジスタのベースと第3トランジスタのコレ
クタを接続し、第3トランジスタのエミツタを接
地し、第3トランジスタのベースを第5抵抗器を
介し接地すると共に、第4抵抗器とツエナーダイ
オードの直列回路を介し電源の正極に接続した検
出回路と、前記第2トランジスタのベースと接地
間に設けた短絡端とで構成される電源保持回路。 Connect the positive pole of the power supply to the anode of the diode,
A power supply circuit in which the cathode of the diode is connected to the power holding circuit, and a connection point between the cathode of the diode and the power holding circuit is connected to the collector of the first transistor via the first resistor, and the emitter of the first transistor is connected to the collector of the first transistor through the first resistor. a power supply holding circuit which is grounded via a battery, the base of the first transistor and the collector of the second transistor are connected via a second resistor, and the collector of the first transistor and the base of the second transistor are connected to a third resistor. and a control circuit in which the emitter of the second transistor is grounded;
The base of the transistor and the collector of the third transistor are connected, the emitter of the third transistor is grounded, the base of the third transistor is grounded through the fifth resistor, and the fourth resistor and the Zener diode are connected in series. A power supply holding circuit comprising a detection circuit connected to a positive terminal of a power supply, and a short-circuited end provided between the base of the second transistor and ground.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4522290U JPH048117U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4522290U JPH048117U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH048117U true JPH048117U (en) | 1992-01-24 |
Family
ID=31559204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4522290U Pending JPH048117U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH048117U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139850A (en) * | 1976-05-18 | 1977-11-22 | Nissan Motor Co Ltd | Adjusting method for clutch operating device |
JPS597919U (en) * | 1982-07-07 | 1984-01-19 | 厚木自動車部品株式会社 | electromagnetic clutch |
-
1990
- 1990-04-27 JP JP4522290U patent/JPH048117U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52139850A (en) * | 1976-05-18 | 1977-11-22 | Nissan Motor Co Ltd | Adjusting method for clutch operating device |
JPS5537652B2 (en) * | 1976-05-18 | 1980-09-29 | ||
JPS597919U (en) * | 1982-07-07 | 1984-01-19 | 厚木自動車部品株式会社 | electromagnetic clutch |