JPH11289677A - System for estimating remaining usable time of battery - Google Patents

System for estimating remaining usable time of battery

Info

Publication number
JPH11289677A
JPH11289677A JP10087676A JP8767698A JPH11289677A JP H11289677 A JPH11289677 A JP H11289677A JP 10087676 A JP10087676 A JP 10087676A JP 8767698 A JP8767698 A JP 8767698A JP H11289677 A JPH11289677 A JP H11289677A
Authority
JP
Japan
Prior art keywords
battery
remaining
time
capacity
consumption rate
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
Application number
JP10087676A
Other languages
Japanese (ja)
Inventor
Masaru Fukuda
勝 福田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP10087676A priority Critical patent/JPH11289677A/en
Publication of JPH11289677A publication Critical patent/JPH11289677A/en
Pending legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Power Sources (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a system which estimates and displays the remaining usable time of a battery used for a battery-driven computer system, etc. SOLUTION: A remaining battery capacity reading means 31 reads the remaining capacity of a battery 1 from the battery 1 and stores the time elapsed from a conventional time and the remaining capacity of the battery 1 on a battery consumption information table 41. A battery consumption rate calculating means 32 calculates the consumed capacity of the battery, from the preceding timer interruption to the present time from the present remaining capacity of the batter 1 which is obtained from the remaining battery capacity reading means 31 and the proximate remaining capacity data stored on the table 41, and stores the calculated consumed capacity on the table 41 as the consumption rate of the battery 1. An estimated operable time calculating means 33 estimates the remaining operable time for a computer system, which is driven by means of the battery 1 from the present remaining capacity of the battery 1 and the battery consumption rate of the battery 1 calculated by means of the calculating means 32.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、バッテリ駆動さ
れるパソコン等の電子装置のバッテリ駆動残時間予測シ
ステムに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for predicting a remaining battery drive time of an electronic device such as a battery-powered personal computer.

【0002】[0002]

【従来の技術】従来、バッテリ駆動されるパソコンなど
で、バッテリの残容量を表示する技術が、特開平6−2
58410号公報に記載されている。この公報に記載さ
れた電池の残容量表示装置は、電池の残容量のみを表示
する装置である。
2. Description of the Related Art Conventionally, a technique for displaying the remaining capacity of a battery on a battery-powered personal computer or the like has been disclosed in Japanese Patent Laid-Open No. 6-2.
No. 58410. The battery remaining capacity display device described in this publication is a device that displays only the battery remaining capacity.

【0003】[0003]

【発明が解決しようとする課題】しかし、この従来技術
では、電池の残容量が表示されるのみで、あとどのくら
いの時間コンピュータを使用することができるのかとい
う使用可能残時間を知ることができないという問題点が
あり、課題となっていた。本発明はこの課題を解決する
ため、機器の使用可能残時間を表示・管理するシステム
を提供する。
However, according to this conventional technique, only the remaining capacity of the battery is displayed, and it is not possible to know the remaining usable time as to how long the computer can be used. There was a problem and it was an issue. The present invention provides a system for displaying and managing the remaining usable time of a device in order to solve this problem.

【0004】[0004]

【課題を解決するための手段】請求項1に記載の発明
は、バッテリ駆動される電子装置において、バッテリ残
容量と直近のバッテリ消費率とから前記電子装置の残使
用時間を予測し、この予測結果を表示することを特徴と
するバッテリ駆動残時間予測システムを提供する。
According to a first aspect of the present invention, in a battery-driven electronic device, the remaining use time of the electronic device is predicted from the remaining battery capacity and the latest battery consumption rate. Provided is a battery driving remaining time prediction system, which displays a result.

【0005】請求項2に記載の発明は、前記予測結果と
ユーザの指定する使用希望時間との比較により、前記電
子装置の動作モードの選択切替を行うことを特徴とする
請求項1に記載のバッテリ駆動残時間予測システムを提
供する。
According to a second aspect of the present invention, the operation mode of the electronic device is selectively switched by comparing the prediction result with a desired use time designated by a user. Provided is a system for predicting remaining battery life.

【0006】請求項3に記載の発明は、前記予測結果の
値より前記使用希望時間の値が大であったとき、省電力
モードで前記電子装置を駆動することを特徴とする請求
項1に記載のバッテリ駆動残時間予測システムを提供す
る。
According to a third aspect of the present invention, when the value of the desired use time is larger than the value of the prediction result, the electronic device is driven in a power saving mode. A system for predicting remaining battery life is provided.

【0007】また請求項4に記載の発明は、前記電子装
置が携帯型コンピュータであることを特徴とする請求項
1また2に記載のバッテリ駆動残時間予測システムを提
供する。
According to a fourth aspect of the present invention, there is provided the battery driving remaining time prediction system according to the first or second aspect, wherein the electronic device is a portable computer.

【0008】[0008]

【発明の実施の形態】以下、この発明の一実施形態につ
いて図を参照しながら説明する。図1はこの発明の一実
施形態によるコンピュータ等の電子装置のバッテリ駆動
残時間予測システムの構成を示すブロック図である。こ
の図において、充電式電池などのバッテリ1と、タイマ
2と、プログラム制御により動作するデータ処理装置3
と、情報を記憶する記憶装置4と、ディスプレイ装置な
どの出力装置5とから構成される。
DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a battery drive remaining time prediction system for an electronic device such as a computer according to an embodiment of the present invention. In this figure, a battery 1 such as a rechargeable battery, a timer 2, and a data processing device 3 operating under program control
And a storage device 4 for storing information, and an output device 5 such as a display device.

【0009】プログラム制御により動作するデータ処理
装置3は、バッテリ残量読取手段31と、バッテリ消費
率計算手段32と、予測動作可能時間計算手段33とか
ら構成される。記憶装置4は、バッテリ消費情報テーブ
ル41を備えている。タイマ2は、一定の周期で割り込
み信号を発生する。
The data processing device 3 which operates under program control comprises a battery remaining amount reading means 31, a battery consumption rate calculating means 32, and a predicted operable time calculating means 33. The storage device 4 includes a battery consumption information table 41. The timer 2 generates an interrupt signal at a constant cycle.

【0010】バッテリ残量読取手段31は、タイマ2か
らの割り込み信号によりバッテリ1の持つ残容量を読み
取り、基準時からの経過時間およびバッテリ1の残容量
のデータをバッテリ消費情報テーブル41に格納する。
バッテリ消費率計算手段32は、バッテリ残量読取手段
31から得られた現在のバッテリ1の残容量およびバッ
テリ消費情報テーブル41に記憶されている最近の残容
量のデータから、前回のタイマ割り込みから現在までに
消費されたバッテリ容量を算出し、その結果をバッテリ
消費率としてバッテリ消費情報テーブル41に格納す
る。
The battery remaining capacity reading means 31 reads the remaining capacity of the battery 1 in response to an interrupt signal from the timer 2, and stores the elapsed time from the reference time and the remaining capacity data of the battery 1 in the battery consumption information table 41. .
The battery consumption rate calculation means 32 calculates the current remaining capacity of the battery 1 obtained from the remaining battery capacity reading means 31 and the data of the latest remaining capacity stored in the battery consumption information table 41 from the previous timer interrupt. The battery capacity consumed until then is calculated, and the result is stored in the battery consumption information table 41 as a battery consumption rate.

【0011】予測動作可能時間計算手段33は、現在の
バッテリ1の残容量およびバッテリ消費率計算手段32
によって得られた直近のバッテリ消費率から、このシス
テムがバッテリによって動作する残時間を予測する。バ
ッテリ消費情報テーブル41は、基準時からの経過時
間、バッテリ残容量、およびバッテリ消費率から成る参
照テーブルである。
The estimated operable time calculation means 33 calculates the current remaining capacity of the battery 1 and the battery consumption rate calculation means 32
From the most recent battery consumption rate obtained by the above method, the remaining time in which the system is operated by the battery is predicted. The battery consumption information table 41 is a reference table including the elapsed time from the reference time, the remaining battery capacity, and the battery consumption rate.

【0012】出力装置5は、予測動作可能時間計算手段
33によって得られたこのシステムのバッテリによる残
駆動時間を表示する。次に、図1及び図2を参照して本
実施形態の動作について詳細に説明する。タイマ2によ
り基準時から一定の周期にて発生された割り込み信号を
受けてバッテリ残量読取手段31は、バッテリ1から本
バッテリの持つ残容量を読み取り(図2のステップA1
およびA2)、さらに、基準時からの経過時間およびバ
ッテリ残容量をバッテリ消費情報テーブル41に保存す
る(図2のステップA3)。
The output device 5 displays the remaining operation time of the system by the battery obtained by the estimated operable time calculation means 33. Next, the operation of the present embodiment will be described in detail with reference to FIGS. In response to an interrupt signal generated by the timer 2 at a fixed period from the reference time, the battery remaining amount reading means 31 reads the remaining capacity of the battery from the battery 1 (step A1 in FIG. 2).
And A2), and the elapsed time from the reference time and the remaining battery charge are stored in the battery consumption information table 41 (step A3 in FIG. 2).

【0013】次にバッテリ消費率計算手段32は、バッ
テリ残量読取手段31から得られた現在のバッテリ1の
残容量およびバッテリ消費情報テーブル41に記憶され
ている最近の残容量のデータから、前回のタイマ割り込
みから現在までに消費されたバッテリ容量を算出しその
結果をバッテリ消費率としてバッテリ消費情報テーブル
41に格納する(図のステップA4)。
Next, the battery consumption rate calculating means 32 calculates the last remaining capacity of the battery 1 obtained from the remaining battery level reading means 31 and the data of the latest remaining capacity stored in the battery consumption information table 41 from the last time. The battery capacity consumed from the timer interrupt to the present is calculated, and the result is stored in the battery consumption information table 41 as the battery consumption rate (step A4 in the figure).

【0014】さらに予測動作可能時間計算手段33は、
現在のバッテリ1の残容量およびバッテリ消費率計算手
段32によって得られた直近のバッテリ消費率から、本
コンピュータシステムがバッテリによって動作する残時
間を予測する(図のステップA5)。
Further, the estimated operable time calculating means 33 comprises:
Based on the current remaining capacity of the battery 1 and the latest battery consumption rate obtained by the battery consumption rate calculation means 32, the remaining time in which the computer system operates on the battery is predicted (step A5 in the figure).

【0015】最後に出力装置5により、予測動作可能時
間計算手段33によって得られたコンピュータシステム
がバッテリによって動作する予測残時間を表示する(図
のステップA5)。バッテリ駆動が可能な間は上記の繰
り返しとなる(図のステップA7)。
Finally, the output device 5 displays the estimated remaining time in which the computer system obtained by the estimated operable time calculation means 33 is operated by the battery (step A5 in the figure). The above operation is repeated while the battery can be driven (step A7 in the figure).

【0016】次に、具体例を用いて本実施形態の動作を
説明する。図3に示すように、例えば、バッテリ消費情
報テーブル41には、基準時からの経過時間(0分、1
0分)とバッテリ残容量(100%、90%)、および
バッテリ消費率(1)が格納されており、タイマ2は1
0分間隔にて割り込み信号を発生させているとし、ここ
で、タイマ2から割り込み信号が発生しバッテリ残量読
取手段31により読み取られたバッテリ残容量が50
(%)であったとする。
Next, the operation of this embodiment will be described using a specific example. As shown in FIG. 3, for example, the battery consumption information table 41 stores the time elapsed from the reference time (0 minute, 1 minute).
0 minutes), the remaining battery capacity (100%, 90%), and the battery consumption rate (1) are stored.
It is assumed that an interrupt signal is generated at 0 minute intervals. Here, an interrupt signal is generated from the timer 2 and the remaining battery capacity read by the remaining battery level reading means 31 is 50.
(%).

【0017】バッテリ消費率計算手段32は、バッテリ
残量読取手段31から得られた現在のバッテリ1の残容
量70(%)およびバッテリ消費情報テーブル41に記
憶されている最近の残容量のデータ90(%)から、前
回のタイマ割り込みから現在までに消費されたバッテリ
容量90−70=20(%)を算出(20/10=2)
し、その結果(2 %/分)をバッテリ消費率としてバ
ッテリ消費情報テーブル41に格納する。
The battery consumption rate calculating means 32 calculates the current remaining capacity 70 (%) of the battery 1 obtained from the remaining battery capacity reading means 31 and the data 90 of the latest remaining capacity stored in the battery consumption information table 41. From (%), the battery capacity 90-70 = 20 (%) consumed from the previous timer interrupt to the present is calculated (20/10 = 2).
Then, the result (2% / min) is stored in the battery consumption information table 41 as the battery consumption rate.

【0018】さらに予測動作可能時間計算手段33によ
り、現在のバッテリ1の残容量(70)およびバッテリ
消費率計算手段32によって得られた直近のバッテリ消
費率(2)から、本コンピュータシステムがバッテリに
よって動作する残時間を予測(70/2=35分)す
る。最後に出力装置5により、予測動作可能時間計算手
段33によって得られたコンピュータシステムがバッテ
リによって動作する予測残時間(35分)を表示する。
Further, the estimated operable time calculating means 33 calculates the remaining battery capacity (70) of the battery 1 and the most recent battery consumption rate (2) obtained by the battery consumption rate calculating means 32 so that the computer system can be operated by the battery. The remaining operation time is estimated (70/2 = 35 minutes). Finally, the output device 5 displays the estimated remaining time (35 minutes) in which the computer system obtained by the estimated operable time calculation means 33 is operated by the battery.

【0019】次に、本発明の他の実施形態について図面
を参照して詳細に説明する。図4を参照すると、本実施
形態は記憶装置4が、図1に示された実施形態における
記憶装置4の構成に加え、ユーザ指定残動作時間記憶領
域42と動作モード記憶領域43を有する点、またデー
タ処理装置3が図1に示された実施形態におけるデータ
処理装置3の構成に加え、残時間比較手段34と動作モ
ード切替手段35を有する点で異なる。
Next, another embodiment of the present invention will be described in detail with reference to the drawings. Referring to FIG. 4, the present embodiment has a point that the storage device 4 has a user-specified remaining operation time storage area 42 and an operation mode storage area 43 in addition to the configuration of the storage apparatus 4 in the embodiment shown in FIG. The data processing device 3 is different from the data processing device 3 in the embodiment shown in FIG. 1 in that the data processing device 3 includes a remaining time comparison unit 34 and an operation mode switching unit 35.

【0020】ユーザ指定残動作時間記憶領域42は、ユ
ーザが希望し指定する動作時間の情報を格納する記憶領
域である。動作モード記憶領域43は、コンピュータが
有する複数のパワーマネジメントの動作レベルの内現在
の動作レベルの情報を格納す記憶領域である。
The user-specified remaining operation time storage area 42 is a storage area for storing operation time information desired and specified by the user. The operation mode storage area 43 is a storage area for storing information on a current operation level among a plurality of power management operation levels of the computer.

【0021】本実施形態の動作を図面を参照して詳細に
説明する。入力装置6からユーザにより本コンピュータ
を動作させたい最低時間の入力があった場合にその動作
時間の情報は、ユーザ指定残動作時間記憶領域42に格
納れる(図5のステップA00およびA01)。図5の
ステップA1からA5までの動作は図2のステップA1
からA5の動作同一のため、説明は省略する。また図5
のステップA6からA7までの動作も図2のステップA
6からA7の動作と同一のため、説明は省略する。
The operation of the present embodiment will be described in detail with reference to the drawings. When the user inputs the minimum time for operating the computer from the input device 6, information on the operation time is stored in the user-specified remaining operation time storage area 42 (steps A00 and A01 in FIG. 5). The operation from step A1 to A5 in FIG. 5 is performed in step A1 in FIG.
Since the operations from A to A5 are the same, the description is omitted. FIG.
The operation from step A6 to A7 in FIG.
Since the operations are the same as the operations from 6 to A7, the description is omitted.

【0022】残時間比較手段34により、予測動作可能
時間計算手段33によって得られたデータと、ユーザ指
定残動作時間記憶領域42に格納されているデータとの
大小較を行う。そして後者が前者より大きい場合につき
動作モード切替手段35により、コンピュータが有する
複数のパワーマネジメントの動作レベルの内、動作時間
を優先させるモードに切り替える(図5のステップA5
1およびA52)。
The remaining time comparison means 34 compares the data obtained by the estimated operable time calculation means 33 with the data stored in the user-specified remaining operation time storage area 42. Then, when the latter is greater than the former, the operation mode switching means 35 switches the operation time to the mode in which the operation time is prioritized among the plurality of operation levels of the power management of the computer (step A5 in FIG. 5).
1 and A52).

【0023】次に、具体例について説明する。本コンピ
ュータシステムは、パワーマネジメントの動作レベルと
して、図6にあるように、動作性能優先モードおよび動
作時間優先モードを有しており、後者前者よりもコンピ
ュータリソースを使用制限することによりバッテリ駆動
時間を長く実現しているものとする。ここで、ユーザ入
力によりユーザ指定残動作時間記憶領域42に120
(分)が格納され、予測動作可能時間計算手段33によ
り得られた結果が100(分)あり、現在の動作モード
が動作性能優先モードであったとする。
Next, a specific example will be described. As shown in FIG. 6, the computer system has an operation performance priority mode and an operation time priority mode as the operation level of the power management, and the battery drive time is reduced by restricting the use of computer resources more than the former. It has been realized for a long time. Here, the user-inputted remaining operation time storage area 42 stores 120
(Minutes) are stored, the result obtained by the predicted operable time calculation means 33 is 100 (minutes), and the current operation mode is the operation performance priority mode.

【0024】この場合、残時間比較手段34により、ユ
ーザ指定残動作時間120と予測動作可能時間100が
大小比較され、前者が後者を上回っている(すなわち直
近のバッテリ消費率から予想される残動作可能時間がユ
ーザの希望・指定する動作時間に満たない)ため動作モ
ード切替手段35により、より動作時間が長くなる動時
間優先モードにモード切替がなされる。
In this case, the remaining time comparing means 34 compares the user-specified remaining operation time 120 with the estimated operable time 100, and the former exceeds the latter (that is, the remaining operation expected from the latest battery consumption rate). Since the available time is less than the operation time desired / designated by the user), the operation mode switching means 35 switches the mode to the operation time priority mode in which the operation time is longer.

【0025】以上、本発明の一実施形態の動作を図面を
参照して詳述してきたが、本発明はこの実施形態に限ら
れるものではなく、本発明の要旨を逸脱しない範囲の設
計変更等があっても本発明に含まれる。
The operation of one embodiment of the present invention has been described in detail with reference to the drawings. However, the present invention is not limited to this embodiment, and a design change or the like within a range not departing from the gist of the present invention. The present invention is also included in the present invention.

【0026】[0026]

【発明の効果】これまでに説明したように、この発明に
よる効果は、従来のように本コンピュータの持つバッテ
リの残容量の表示だけでなく、コンピュータが動作可能
な残時間の予測を表示することができることにある。こ
の結果、コンピュータシステムの使用者は作業時間の配
分を考慮しながらコンピュータを使用することができる
という効果が得られる。
As described above, the effect of the present invention is that not only the display of the remaining battery capacity of the computer but also the prediction of the remaining time in which the computer can operate is displayed as in the related art. Is what you can do. As a result, it is possible to obtain the effect that the user of the computer system can use the computer while considering the distribution of work time.

【図面の簡単な説明】[Brief description of the drawings]

【図1】 本発明の一実施形態によるバッテリ駆動残時
間予測システムの構成を示すブロック図である。
FIG. 1 is a block diagram showing a configuration of a battery driving remaining time prediction system according to an embodiment of the present invention.

【図2】 本発明の一実施形態によるバッテリ駆動残時
間予測システムの動作を説明するフロー図である。
FIG. 2 is a flowchart illustrating an operation of the battery drive remaining time prediction system according to the embodiment of the present invention.

【図3】 バッテリ消費情報テーブルの内容を示す図で
ある。
FIG. 3 is a diagram showing contents of a battery consumption information table.

【図4】 本発明の他の実施形態によるバッテリ駆動残
時間予測システムの構成を示すブロック図である。
FIG. 4 is a block diagram showing a configuration of a remaining battery drive time prediction system according to another embodiment of the present invention.

【図5】 本発明の一実施形態によるバッテリ駆動残時
間予測システムの動作を説明するフロー図である。
FIG. 5 is a flowchart illustrating the operation of the remaining battery operation time prediction system according to the embodiment of the present invention.

【図6】 動作モード記憶領域の説明図である。FIG. 6 is an explanatory diagram of an operation mode storage area.

【符号の説明】[Explanation of symbols]

1 バッテリ 2 タイマ 3 データ処理装置 31 バッテリ残量読取手段 32 バッテリ消費率計算手段 33 予測動作可能時間計算手段 34 残時間比較手段 35 動作モード切替手段 4 記憶装置 41 バッテリ消費情報テーブル 42 ユーザ指定残動作時間記憶領域 43 動作モード記憶領域 5 出力装置 6 入力装置 DESCRIPTION OF SYMBOLS 1 Battery 2 Timer 3 Data processing device 31 Battery remaining amount reading means 32 Battery consumption rate calculating means 33 Predicted operable time calculating means 34 Remaining time comparing means 35 Operation mode switching means 4 Storage device 41 Battery consumption information table 42 User specified remaining operation Time storage area 43 Operation mode storage area 5 Output device 6 Input device

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 バッテリ駆動される電子装置において、 バッテリ残容量と直近のバッテリ消費率とから前記電子
装置の残使用時間を予測し、この予測結果を表示するこ
とを特徴とするバッテリ駆動残時間予測システム。
1. An electronic device driven by a battery, wherein a remaining usage time of the electronic device is predicted from a remaining battery capacity and a latest battery consumption rate, and the prediction result is displayed. Forecasting system.
【請求項2】 前記予測結果とユーザの指定する使用希
望時間との比較により、前記電子装置の動作モードの選
択切替を行うことを特徴とする請求項1に記載のバッテ
リ駆動残時間予測システム。
2. The remaining battery operation time prediction system according to claim 1, wherein the operation mode of the electronic device is selectively switched by comparing the prediction result with a desired use time designated by a user.
【請求項3】 前記予測結果の値より前記使用希望時間
の値が大であったとき、省電力モードで前記電子装置を
駆動することを特徴とする請求項1に記載のバッテリ駆
動残時間予測システム。
3. The battery driving remaining time prediction according to claim 1, wherein when the value of the desired use time is larger than the value of the prediction result, the electronic device is driven in a power saving mode. system.
【請求項4】 前記電子装置は携帯型コンピュータであ
ることを特徴とする請求項1また2に記載のバッテリ駆
動残時間予測システム。
4. The system according to claim 1, wherein the electronic device is a portable computer.
JP10087676A 1998-03-31 1998-03-31 System for estimating remaining usable time of battery Pending JPH11289677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10087676A JPH11289677A (en) 1998-03-31 1998-03-31 System for estimating remaining usable time of battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10087676A JPH11289677A (en) 1998-03-31 1998-03-31 System for estimating remaining usable time of battery

Publications (1)

Publication Number Publication Date
JPH11289677A true JPH11289677A (en) 1999-10-19

Family

ID=13921552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10087676A Pending JPH11289677A (en) 1998-03-31 1998-03-31 System for estimating remaining usable time of battery

Country Status (1)

Country Link
JP (1) JPH11289677A (en)

Cited By (10)

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Publication number Priority date Publication date Assignee Title
JP2003140782A (en) * 2001-10-31 2003-05-16 Hitachi Ltd Computer system having power consumption referring function and its control method
JP2006017640A (en) * 2004-07-02 2006-01-19 Olympus Corp Non-destructive inspection device
JP2006041857A (en) * 2004-07-27 2006-02-09 Matsushita Electric Ind Co Ltd On-vehicle digital broadcast receiver
US7265520B2 (en) 2000-08-11 2007-09-04 Seiko Epson Corporation Electronic apparatus and method of controlling the electronic apparatus
US7289166B2 (en) * 2003-08-29 2007-10-30 Kabushiki Kaisha Toshiba Information processing apparatus and method of displaying remaining battery capacity of the information processing apparatus
EP2009886A1 (en) * 2007-04-19 2008-12-31 Vodafone Group PLC Mobile telecommunications device
JP2010019735A (en) * 2008-07-11 2010-01-28 Nippon Telegr & Teleph Corp <Ntt> Consumed battery capacity estimating method, battery lifetime estimating device, and program
US9560976B2 (en) 2013-11-13 2017-02-07 Welch Allyn, Inc. Medical instrument with remaining visits indicator
JP2017514384A (en) * 2014-04-15 2017-06-01 クゥアルコム・インコーポレイテッドQualcomm Incorporated System and method for delaying power consumption by post-processing sensor data
JP2022098694A (en) * 2020-12-22 2022-07-04 カシオ計算機株式会社 Data processing apparatus, electronic device, data processing method, and program

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7265520B2 (en) 2000-08-11 2007-09-04 Seiko Epson Corporation Electronic apparatus and method of controlling the electronic apparatus
JP2003140782A (en) * 2001-10-31 2003-05-16 Hitachi Ltd Computer system having power consumption referring function and its control method
US7289166B2 (en) * 2003-08-29 2007-10-30 Kabushiki Kaisha Toshiba Information processing apparatus and method of displaying remaining battery capacity of the information processing apparatus
JP2006017640A (en) * 2004-07-02 2006-01-19 Olympus Corp Non-destructive inspection device
JP2006041857A (en) * 2004-07-27 2006-02-09 Matsushita Electric Ind Co Ltd On-vehicle digital broadcast receiver
JP4569205B2 (en) * 2004-07-27 2010-10-27 パナソニック株式会社 In-vehicle digital broadcast receiver
EP2009886A1 (en) * 2007-04-19 2008-12-31 Vodafone Group PLC Mobile telecommunications device
JP2010019735A (en) * 2008-07-11 2010-01-28 Nippon Telegr & Teleph Corp <Ntt> Consumed battery capacity estimating method, battery lifetime estimating device, and program
US9560976B2 (en) 2013-11-13 2017-02-07 Welch Allyn, Inc. Medical instrument with remaining visits indicator
US9990468B2 (en) 2013-11-13 2018-06-05 Welch Allyn, Inc. Medical instrument with remaining visits indicator
JP2017514384A (en) * 2014-04-15 2017-06-01 クゥアルコム・インコーポレイテッドQualcomm Incorporated System and method for delaying power consumption by post-processing sensor data
JP2022098694A (en) * 2020-12-22 2022-07-04 カシオ計算機株式会社 Data processing apparatus, electronic device, data processing method, and program

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