JPS58131567U - Battery check circuit - Google Patents
Battery check circuitInfo
- Publication number
- JPS58131567U JPS58131567U JP2943082U JP2943082U JPS58131567U JP S58131567 U JPS58131567 U JP S58131567U JP 2943082 U JP2943082 U JP 2943082U JP 2943082 U JP2943082 U JP 2943082U JP S58131567 U JPS58131567 U JP S58131567U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- temperature
- battery check
- resistors
- 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
Classifications
-
- Y02E60/12—
Landscapes
- Indication In Cameras, And Counting Of Exposures (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図は本考案の第１実施回路例、第２図は本考案の第
２実施回路例である。
〔主要部の説明〕、１・・・・・・電源、２・・・・・
・絶対温度に比例した電圧を発生する回路、３，４・・
・・・・抵Ｌ ５＝コンパレータ。FIG. 1 shows a first example of a circuit according to the present invention, and FIG. 2 shows a second example of a circuit according to the present invention. [Description of main parts], 1...Power supply, 2...
・Circuit that generates a voltage proportional to absolute temperature, 3, 4...
... Resistance L 5 = Comparator.
Claims (1)
圧した第１電圧を発生する回路と、絶対温度に比例した
第２電圧を発生する回路と、前記第１及び第２電圧を比
較する比較手段とを有し、前記温度係数の設定によって
チェック電圧に温度依存性を付与したことを特徴とする
バッテリーチェック回路。 ２ 前記複数の抵抗は、集積回路化された第１の温度係
数を有する抵抗と、該集積回路に外付けされた第２の温
度係数を有する抵抗とから成ることを特徴とする請求の
範囲第１項記載のバッテリーチェック回路。 ３ 前記複数の抵抗は異なる製造プロセスにより異なる
温度係数をもって集積回路化された抵抗であることを特
徴とする請求の範囲第１項記載のバッテリーチェック回
路。[Claims for Utility Model Registration] 1. A circuit that generates a first voltage obtained by dividing a power supply voltage by a plurality of resistors having different temperature coefficients, a circuit that generates a second voltage proportional to absolute temperature, and a circuit that generates a second voltage proportional to absolute temperature; a comparison means for comparing the second voltage, and a battery check circuit characterized in that the check voltage is made temperature dependent by setting the temperature coefficient. 2. The plurality of resistors include a resistor having a first temperature coefficient that is integrated into an integrated circuit, and a resistor having a second temperature coefficient that is externally attached to the integrated circuit. Battery check circuit described in item 1. 3. The battery check circuit according to claim 1, wherein the plurality of resistors are integrated circuit resistors having different temperature coefficients through different manufacturing processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943082U JPS58131567U (en) | 1982-03-02 | 1982-03-02 | Battery check circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2943082U JPS58131567U (en) | 1982-03-02 | 1982-03-02 | Battery check circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58131567U true JPS58131567U (en) | 1983-09-05 |
Family
ID=30041220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2943082U Pending JPS58131567U (en) | 1982-03-02 | 1982-03-02 | Battery check circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131567U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055320A (en) * | 1983-09-06 | 1985-03-30 | Canon Inc | Camera |
| JPS6239829A (en) * | 1985-08-15 | 1987-02-20 | Nippon Kogaku Kk <Nikon> | Battery checking circuit for camera |
| JPS62236331A (en) * | 1986-04-08 | 1987-10-16 | シチズン時計株式会社 | Semiconductor integrated circuit |
-
1982
- 1982-03-02 JP JP2943082U patent/JPS58131567U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6055320A (en) * | 1983-09-06 | 1985-03-30 | Canon Inc | Camera |
| JPS6239829A (en) * | 1985-08-15 | 1987-02-20 | Nippon Kogaku Kk <Nikon> | Battery checking circuit for camera |
| JPS62236331A (en) * | 1986-04-08 | 1987-10-16 | シチズン時計株式会社 | Semiconductor integrated circuit |
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