JPS5846231U - Power supply control device for small electronic devices - Google Patents
Power supply control device for small electronic devicesInfo
- Publication number
- JPS5846231U JPS5846231U JP14168281U JP14168281U JPS5846231U JP S5846231 U JPS5846231 U JP S5846231U JP 14168281 U JP14168281 U JP 14168281U JP 14168281 U JP14168281 U JP 14168281U JP S5846231 U JPS5846231 U JP S5846231U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- battery
- supply control
- capacitor
- 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
- Electromechanical Clocks (AREA)
- Exposure Control For Cameras (AREA)
- Power Sources (AREA)
- Stand-By Power Supply Arrangements (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、図は本考案の実施例を示す小型電子機器の給電制
御回路を示す回路図、第２図および第３図は第２の給電
制御部の機構の一例を示す断面図：。
第４図は本考案の他の実施例を示す回路図である。
Ａ１．’ Ａ２：第１の回路部、Ｂ、、 Ｂ２．第２の
回路部、Ｅ：共通電源、Ｆ二第１の給電制御部、Ｃ：補
助電源、Ｂ２．Ｂ３：第２の給電制御部。
第１図
第２図FIG. 1 is a circuit diagram showing a power supply control circuit for a small electronic device according to an embodiment of the present invention, and FIGS. 2 and 3 are cross-sectional views showing an example of the mechanism of a second power supply control section. FIG. 4 is a circuit diagram showing another embodiment of the present invention. A1. ' A2: first circuit section, B,, B2. Second circuit section, E: common power supply, F2 first power supply control section, C: auxiliary power supply, B2. B3: Second power supply control section. Figure 1 Figure 2
Claims (1)
電を常時必要とする第１の回路と、断続的に所定時間ず
つ給電されそめ給電時に前記第１の回路の消費電流より
も比較的大きな消費電流を必要とする第２の回路と、前
記第１の回路□および前記第２の回路の双方に給電する
共通電源としての小型電池とを有する小型電子機器にお
いて、該電池と前記第１の回路との間に設けられ、前記
電池から前記第１の回路へ常時給電を行なう第１の給電
制御部と、前記第１の回路に並列に設けられ、前記第２
の回路の作動に伴なって前記電池の電源電圧が低下した
場合に、少なくとも前記所定時間の期間前記電池にかわ
って前記第１の回路に前記所定電圧以上の給電を行なう
比較的小容量の補助電源としてのバックアップコンデン
サと、前記電池の取外し操作に応答して前記コンデンサ
から前記第１の回路−＼の給電を断つ第２の給電制御部
とを備えたことを特徴とする小型電子機器の給電制御装
置。 ２ バックアップコンデンサは前記電池のエネルギーが
常時充電されており、前記第２の給電制御部は前記コン
デンサに並列接続されており、前記電池の取外し操作に
応答して閉じられて前記コンデンサの電荷を放電させ、
前記電池の装填操作に応答して開かれるスイッチである
実用新案登録請求の範囲第１項に記載の小型電子機器の
給電制御装置。[Claims for Utility Model Registration] 1. A first circuit that includes a counting circuit or a memory circuit and that always requires power supply at a predetermined voltage or higher; A small electronic device having a second circuit that requires a relatively larger current consumption than the current consumption, and a small battery as a common power source that supplies power to both the first circuit □ and the second circuit, a first power supply control section provided between the battery and the first circuit and constantly supplying power from the battery to the first circuit; a first power supply control section provided in parallel with the first circuit and the second power supply controller;
a relatively small-capacity auxiliary device that supplies power at a voltage equal to or higher than the predetermined voltage to the first circuit instead of the battery for at least the predetermined time period when the power supply voltage of the battery decreases due to the operation of the circuit; A power supply for a small electronic device, characterized by comprising a backup capacitor as a power source, and a second power supply control unit that cuts off power supply from the capacitor to the first circuit -\ in response to an operation for removing the battery. Control device. 2. The backup capacitor is constantly charged with the energy of the battery, and the second power supply control unit is connected in parallel to the capacitor, and is closed in response to the battery removal operation to discharge the charge in the capacitor. let me,
The power supply control device for a small electronic device according to claim 1, which is a switch that is opened in response to the battery loading operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14168281U JPS5846231U (en) | 1981-09-24 | 1981-09-24 | Power supply control device for small electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14168281U JPS5846231U (en) | 1981-09-24 | 1981-09-24 | Power supply control device for small electronic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5846231U true JPS5846231U (en) | 1983-03-29 |
Family
ID=29934765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14168281U Pending JPS5846231U (en) | 1981-09-24 | 1981-09-24 | Power supply control device for small electronic devices |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5846231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079226U (en) * | 1983-11-04 | 1985-06-01 | シャープ株式会社 | Memory battery power backup device |
| JPS63112832U (en) * | 1987-01-14 | 1988-07-20 | ||
| JPH01190229A (en) * | 1988-01-26 | 1989-07-31 | Matsushita Electric Works Ltd | Electrical apparatus provided with power source cell |
-
1981
- 1981-09-24 JP JP14168281U patent/JPS5846231U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079226U (en) * | 1983-11-04 | 1985-06-01 | シャープ株式会社 | Memory battery power backup device |
| JPS63112832U (en) * | 1987-01-14 | 1988-07-20 | ||
| JPH01190229A (en) * | 1988-01-26 | 1989-07-31 | Matsushita Electric Works Ltd | Electrical apparatus provided with power source cell |
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