JPS60147983U - power circuit - Google Patents
power circuitInfo
- Publication number
- JPS60147983U JPS60147983U JP3538584U JP3538584U JPS60147983U JP S60147983 U JPS60147983 U JP S60147983U JP 3538584 U JP3538584 U JP 3538584U JP 3538584 U JP3538584 U JP 3538584U JP S60147983 U JPS60147983 U JP S60147983U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- converter
- battery
- control
- circuit according
- 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
Landscapes
- Exposure Control For Cameras (AREA)
- Power Sources (AREA)
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電子カメラの構成を示すブロック図、第２図は
電源回路の従来例を示す構成ブ遁ツク図、第３図は本考
案の一実施例を示す構成ブロック図、第４図は本考案の
他の実施例を示す構成ブロック図、第５図はＤＣ／ＤＣ
コンバータの一般的１構成を示すブ爾ツク図である。
２１・・・ＤＣ／ＤＣコンバータ、２２・・・システム
コン）ｏ−ル回路、２３．２４・・・電子回路、２５・
・・モータ、２６・・・ソレノイド、３１・・・発振器
、３２・・・制御素子、３３・・・基準電圧源、３４・
・・サンプリング回路、３５・・・誤差増幅器、３６・
・・制御回路、Ｂａ、 Ｂｂ・・・電池、ＳＷ・・・電
源スィッチ、Ｒ１，Ｒ２・・・抵抗、Ｔｒ・・・電源制
御用トランジスタ。
１
絞り又は速度静定−−−
ＡＳＡ設定設Fig. 1 is a block diagram showing the configuration of an electronic camera, Fig. 2 is a block diagram showing a conventional example of a power supply circuit, Fig. 3 is a block diagram showing an embodiment of the present invention, and Fig. 4 is a block diagram showing the configuration of an electronic camera. A configuration block diagram showing another embodiment of the present invention, FIG. 5 is a DC/DC
1 is a block diagram showing one general configuration of a converter; FIG. 21... DC/DC converter, 22... System control circuit, 23.24... Electronic circuit, 25.
...Motor, 26... Solenoid, 31... Oscillator, 32... Control element, 33... Reference voltage source, 34...
...Sampling circuit, 35...Error amplifier, 36.
...Control circuit, Ba, Bb...Battery, SW...Power switch, R1, R2...Resistor, Tr...Transistor for power supply control. 1 Aperture or speed static setting --- ASA setting
Claims (5)
れたＤＣ／ＤＣコンバータと、第２のパワー供給用電池
と、該第２のパワー供給用電池で直接駆動され、電源の
オンオフ信条を受けて前記ＤＣ／ＤＣコンバータにオン
オフ動作のための動作制御信号を与える制御回路とによ
り構成されてなる電源回路。(1) Directly driven by a first power supply battery, a DC/DC converter to which the battery is directly connected, a second power supply battery, and the second power supply battery, and the power is turned on and off. and a control circuit that provides an operation control signal for on/off operation to the DC/DC converter in response to a belief.
パワー供給用電池を用いたことを特徴とする実用新案登
録請求の範囲第１項記載の電源回路。(2) The power supply circuit according to claim 1, wherein the first power supply battery is used as the second power supply battery.
発振器に加え、発振動作を制御するようにしたことを特
徴とする実用新案登録請求の範囲第１項記載の電源回路
。(3) The power supply circuit according to claim 1, wherein the operation control signal is applied to a built-in oscillator of a DC/DC converter to control the oscillation operation.
制御回路に加え、該制御回路のオンオフを制御するよう
にしたことを特徴とする実用新案登録請求の範囲第１項
記載の電源回路。(4) The power supply circuit according to claim 1, wherein the operation control signal is added to a built-in control circuit of a DC/DC converter to control on/off of the control circuit.
供給路に加え、電源パワーの供給を制御するようにした
ことを特徴とする実用新案登録請求の範囲第１項記載の
電源回路。(5) The power supply circuit according to claim 1, wherein the operation control signal is added to a power supply path of a DC/DC converter to control supply of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3538584U JPS60147983U (en) | 1984-03-13 | 1984-03-13 | power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3538584U JPS60147983U (en) | 1984-03-13 | 1984-03-13 | power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60147983U true JPS60147983U (en) | 1985-10-01 |
Family
ID=30539612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3538584U Pending JPS60147983U (en) | 1984-03-13 | 1984-03-13 | power circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60147983U (en) |
-
1984
- 1984-03-13 JP JP3538584U patent/JPS60147983U/en active Pending
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