JP3118514B2 - Radio paging receiver with low voltage alarm function - Google Patents
Radio paging receiver with low voltage alarm functionInfo
- Publication number
- JP3118514B2 JP3118514B2 JP11097576A JP9757699A JP3118514B2 JP 3118514 B2 JP3118514 B2 JP 3118514B2 JP 11097576 A JP11097576 A JP 11097576A JP 9757699 A JP9757699 A JP 9757699A JP 3118514 B2 JP3118514 B2 JP 3118514B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- threshold value
- low
- display
- battery
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Mobile Radio Communication Systems (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電池を電源とする
無線呼出受信機に関し、特に、使用電池の低電圧警報を
報知する機能を備えた無線呼出受信機に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio paging receiver using a battery as a power source, and more particularly to a radio paging receiver having a function of notifying a low voltage alarm of a battery used.
【０００２】[0002]
【従来の技術】一次電池あるいは二次電池などの電池を
電源とする従来の無線呼出受信機は、運用中に電池電圧
が低下して放電終止状態に近くなると受信機の動作が停
止し、電池の寿命が来たことを使用者に知らせるための
警報を鳴動させて表示器に表示するように構成されてい
るのが一般的である。2. Description of the Related Art A conventional radio paging receiver using a battery such as a primary battery or a secondary battery as a power source stops operation of the receiver when the battery voltage drops during operation and approaches a discharge end state. Generally, an alarm for notifying the user that the life of the camera has come to an end is sounded and displayed on a display.
【０００３】図１は本発明を適用しようとする無線呼出
受信機のブロック図である。図１において、１は高周波
受信部、２は復調部、３はデコーダ部、４はデータ処理
部、５はＬＣＤなどの表示器、６はサウンダまたはスピ
ーカ、７は電源制御部、８は電池であり、単４アルカリ
電池、または、ボタン形の空気亜鉛電池等の一次電池で
ある。また、１１は制御部、１２は電圧検出器、１３は
比較器である。FIG. 1 is a block diagram of a radio paging receiver to which the present invention is applied. In FIG. 1, 1 is a high-frequency receiving section, 2 is a demodulating section, 3 is a decoder section, 4 is a data processing section, 5 is a display such as an LCD, 6 is a sounder or speaker, 7 is a power control section, and 8 is a battery. Yes, primary batteries such as AAA alkaline batteries or button-shaped zinc-air batteries. Reference numeral 11 denotes a control unit, 12 denotes a voltage detector, and 13 denotes a comparator.
【０００４】一般に、電池を電源とする電子機器には、
電池電圧が低下して誤動作したり動作が停止したりする
前に、表示器の隅の一部を点滅させて放電終止を予告
し、電池の交換または充電の実施を使用者に知らせる低
電圧警報表示機能が備えられている。[0004] In general, electronic equipment powered by a battery includes:
Before the battery voltage drops and malfunctions or stops operating, a low voltage alarm that flashes a part of the corner of the display to notify the end of discharge and informs the user of battery replacement or charging. A display function is provided.
【０００５】放送受信機（ラジオ）やワードプロセッサ
など、使用者が単独で使用する機器では、誤動作や動作
停止があっても個人的な不都合ですむが、無線呼出受信
機の場合は、公共通信のため個人的な不利益では済まさ
れない場合がある。そのため、表示のみならずサウンダ
を一定間隔をおいて繰り返し鳴動させて使用者に知らせ
るように構成されている。[0005] In a device used independently by a user, such as a broadcast receiver (radio) or a word processor, malfunction or stoppage of the operation is not a personal inconvenience. As a result, personal disadvantages may not be enough. Therefore, not only the display but also the sounder is repeatedly sounded at regular intervals to notify the user.
【０００６】無線呼出受信機における電池電圧の検出
は、低消費電力化のための間欠受信の都度、例えば、３
０秒間隔で行われている。図３は電池電圧の変化特性例
図であり、例えば、１．５Ｖの電池を使用している場
合、電池の端子電圧が１．１Ｖ（Ａ点）に降下したと
き、Ｖ1 ＝１．１Ｖをしきい値として比較することによ
り、低電圧警報を鳴動させている。[0006] The detection of the battery voltage in the radio paging receiver is performed every time intermittent reception is performed to reduce power consumption.
It is performed at 0 second intervals. FIG. 3 is a graph showing an example of a change characteristic of the battery voltage. For example, when a 1.5 V battery is used, when the terminal voltage of the battery drops to 1.1 V (point A), V 1 = 1.1 V The low voltage alarm is sounded by comparing as a threshold value.
【０００７】図４は従来の警報動作のフローチャートで
ある。電源制御部７の制御部１１は、間欠受信毎に、例
えば、Ａ／Ｄ変換器などの電圧検出器１２で電池電圧を
検出し（ステップ）、検出電圧を比較器１３でしきい
値Ｖ1 と比較し、しきい値Ｖ 1 以下になったとき（ステ
ップ）、低電圧警報信号を発生させる（ステップ
）。発生した警報信号は、デコーダ部３，データ処理
部４によって駆動信号に変換され表示器５に表示すると
ともにサウンダ６を鳴動させる（ステップ）。表示，
鳴音時間（報知時間）は短時間であり、一定の時間間隔
で、例えば、５分〜１０分または１５分間停止後（ステ
ップ）、再びステップに戻って報知動作を繰り返
す。FIG. 4 is a flowchart of a conventional alarm operation.
is there. The control unit 11 of the power supply control unit 7 sets an example for each intermittent reception.
For example, the battery voltage is detected by a voltage detector 12 such as an A / D converter.
Detected (step), the detected voltage is thresholded by comparator 13
Value V1And the threshold V 1When the following occurs
), Generate a low voltage alarm signal (step
). The generated alarm signal is sent to the decoder 3, data processing
Is converted into a drive signal by the unit 4 and displayed on the display 5
Both sound the sounder 6 (step). display,
The sounding time (notification time) is short, and is a fixed time interval
For example, after stopping for 5 to 10 minutes or 15 minutes (step
Step), return to the step again and repeat the notification operation
You.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、上記従
来の警報報知動作では、一定時間おきにサウンダ鳴音と
ＬＣＤ表示が繰り返される動作のため、残留電力が急激
に消費され、遂には、ＲＡＭ等のメモリのハードリセッ
ト電圧にまで低下して、メッセージなどの記憶内容が失
われるという欠点がある。However, in the above-mentioned conventional alarm notification operation, since the sounding sound and the LCD display are repeated at regular intervals, the residual power is rapidly consumed. There is a disadvantage in that the voltage drops to the hard reset voltage of the memory, and stored contents such as messages are lost.
【０００９】本発明の目的は、サウンダ鳴音と表示によ
る報知動作が繰り返されることによる電池電圧の急激な
低下を軽減し、メモリのハードリセット電圧に至る時間
を引き延ばすようにした無線呼出受信機を提供すること
にある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a radio paging receiver capable of reducing a sudden drop in battery voltage due to repetition of a sounding sound and a notification operation by a display, and extending a time required for a hard reset voltage of a memory. To provide.
【００１０】[0010]
【課題を解決するための手段】本発明の低電圧警報機能
付き無線呼出受信機は、電池を電源とする無線呼出受信
機の電池電圧が低下したことを報知させるために、間欠
受信毎に電池電圧を検出する電圧検出器と、該検出電圧
が予め定めた第１のしきい値以下になったとき低電圧警
報信号を発生させて低電圧警報動作に移行させ一定間隔
でサウンダの鳴音と表示器の表示を繰り返し行わせる制
御部とを備えた低電圧警報機能付き無線呼出受信機にお
いて、前記制御部は、前記第１のしきい値より低く受信
機内のメモリの記憶内容が消去されない電圧を第２のし
きい値と予め定めて、検出電圧が前記第１のしきい値以
下になって前記低電圧警報動作に移行したとき、前記サ
ウンダの鳴音と表示が前記一定間隔で繰り返される毎に
前記検出電圧を前記第２のしきい値と比較し該第２のし
きい値以下になったとき低電圧警報動作を保持しながら
サウンダの鳴音と表示を禁止して表示待機モードにする
ことにより電池電圧の急激な低下速度を遅くしたことを
特徴とするものである。SUMMARY OF THE INVENTION A radio paging receiver with a low-voltage alarm function according to the present invention provides a battery for every intermittent reception in order to notify that the battery voltage of a radio paging receiver powered by a battery has dropped. A voltage detector for detecting a voltage, and the detected voltage
Generates a low-voltage alarm signal when the value becomes equal to or less than a predetermined first threshold , shifts to a low-voltage alarm operation, and sets a predetermined interval.
To repeat the sound of the sounder and the display on the display
And a control unit , wherein the control unit sets a voltage which is lower than the first threshold value and which does not erase stored contents of a memory in the receiver as a second threshold value. In advance , when the detected voltage becomes equal to or less than the first threshold value and the operation shifts to the low-voltage warning operation,
Each time the sound and display of the sound are repeated at the above-mentioned fixed interval
The detected voltage is compared with the second threshold value, and when the detected voltage becomes equal to or less than the second threshold value, the low voltage alarm operation is maintained.
Disable sounder sound and display and enter display standby mode
Thus, the rapid decrease rate of the battery voltage is reduced .
【００１１】[0011]
【発明の実施の形態】図１は本発明を適用した無線呼出
受信機のブロック図である。また、図２は本発明の動作
を示すフローチャートである。図において、〜はス
テップ番号である。FIG. 1 is a block diagram of a radio paging receiver to which the present invention is applied. FIG. 2 is a flowchart showing the operation of the present invention. In the figure, 〜 is a step number.
【００１２】ステップ〜は従来と同じであり、間欠
受信毎に電池電圧を検出し、検出した検出電圧と、警報
信号を発生させるか否かを判定する第１のしきい値Ｖ1
とを比較し、検出電圧が第１のしきい値Ｖ1 以下になっ
たとき低電圧警報信号を発生する（ステップ）。Steps (1) to (4) are the same as those in the prior art. The battery voltage is detected every intermittent reception, and the detected voltage and a first threshold value V 1 for determining whether or not to generate an alarm signal are determined.
Comparing the door, it generates an undervoltage warning signal when the detected voltage becomes the first threshold value V 1 or less (step).
【００１３】次の、ステップ，とは本発明によっ
て設けたステップであり、図３のＢ点のように、メモリ
のハードリセットを防止するための第２のしきい値Ｖ2
（但し、Ｖ2 ＜Ｖ1 ）を設定し、低電圧警報信号発生
（ステップ）の後、再び、電池電圧を検出して（ステ
ップ）、第２のしきい値Ｖ2 と比較する（ステップ
）。第２のしきい値Ｖ2 より大きい間は、一定時間を
おいて（ステップ）繰り返し鳴音，表示により報知さ
せる（ステップ）。しかし、検出電圧が第２のしきい
値Ｖ2 以下になったとき、ステップに進んで鳴音，表
示による報知動作を禁止する。こうすることによって、
電池電圧の急激な低下速度を遅くしてメモリのハードリ
セットを防止することができる。The next step is a step provided by the present invention. As shown at point B in FIG. 3, a second threshold value V 2 for preventing a hard reset of the memory.
(However, V 2 <V 1 ) is set, and after the low voltage alarm signal is generated (step), the battery voltage is detected again (step) and compared with the second threshold value V 2 (step). . As long as it is greater than the second threshold value V 2 , a predetermined time (step) is repeated to notify by sound and display (step). However, when the detection voltage reaches the second threshold value V 2 less, the routine proceeds to step ringing, prohibits the notification operation by the display. By doing this,
The hard reset of the memory can be prevented by reducing the rapid decrease rate of the battery voltage.
【００１４】このステップの報知動作禁止は、例え
ば、表示スタン（ド）・バイ（待機）モードにすればよ
く、押しボタンスイッチ等で低電圧警報表示を見ること
ができる。The notification operation in this step can be prohibited by, for example, setting a display stand (do) / by (standby) mode, and a low-voltage alarm display can be seen by a push button switch or the like.
【００１５】[0015]
【発明の効果】以上詳細に説明したように、本発明を実
施することにより、低電圧警報に気付かずに繰り返しサ
ウンダとＬＣＤが動作して電池電圧が下がり、メモリの
記憶内容が失われるといったことが起こりにくくなり、
使用者の受ける迷惑を軽減することができる。As described above in detail, by implementing the present invention, the sounder and the LCD are repeatedly operated without noticing the low voltage alarm, the battery voltage is reduced, and the memory contents are lost. Is less likely to occur,
It is possible to reduce annoying users.
【図１】本発明を適用する受信機のブロック図である。FIG. 1 is a block diagram of a receiver to which the present invention is applied.
【図２】本発明の動作を説明するフローチャートであ
る。FIG. 2 is a flowchart illustrating the operation of the present invention.
【図３】電池電圧特性例図である。FIG. 3 is a diagram showing an example of battery voltage characteristics.
【図４】従来の動作を示すフローチャートである。FIG. 4 is a flowchart showing a conventional operation.
【符号の説明】 １ 高周波受信部 ２ 復調部 ３ デコーダ部 ４ データ処理部 ５ ＬＣＤ ６ サウンダ ７ 電源制御部 ８ 電池 １１ 制御部 １２ 電圧検出器 １３ 比較器[Description of Signs] 1 High frequency receiving unit 2 Demodulating unit 3 Decoder unit 4 Data processing unit 5 LCD 6 Sounder 7 Power control unit 8 Battery 11 Control unit 12 Voltage detector 13 Comparator
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H04B 7/26 H04Q 7/00 - 7/38 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) H04B 7/26 H04Q 7 /00-7/38
Claims (1)
電圧が低下したことを報知させるために、間欠受信毎に
電池電圧を検出する電圧検出器と、該検出電圧が予め定
めた第１のしきい値以下になったとき低電圧警報信号を
発生させて低電圧警報動作に移行させ一定間隔でサウン
ダの鳴音と表示器の表示を繰り返し行わせる制御部とを
備えた低電圧警報機能付き無線呼出受信機において、 前記制御部は、前記第１のしきい値より低く受信機内の
メモリの記憶内容が消去されない電圧を第２のしきい値
と予め定めて、検出電圧が前記第１のしきい値以下にな
って前記低電圧警報動作に移行したとき、前記サウンダ
の鳴音と表示が前記一定間隔で繰り返される毎に前記検
出電圧を前記第２のしきい値と比較し該第２のしきい値
以下になったとき低電圧警報動作を保持しながらサウン
ダの鳴音と表示を禁止して表示待機モードにすることに
より電池電圧の急激な低下速度を遅くしたことを特徴と
する低電圧警報機能付き無線呼出受信機。1. A voltage detector for detecting a battery voltage every time an intermittent reception is performed in order to notify that the battery voltage of a paging receiver powered by a battery has dropped, and the detected voltage is predetermined.
A low-voltage alarm signal is generated when the voltage falls below the first threshold value, the operation shifts to a low-voltage alarm operation, and the sound is output at regular intervals.
A radio paging receiver with a low-voltage alarm function, comprising: a control unit that repeatedly performs a ringing sound and a display on a display , wherein the control unit stores the memory in a memory in the receiver that is lower than the first threshold value. A voltage whose contents are not erased is predetermined as a second threshold value, and when the detected voltage becomes equal to or less than the first threshold value and the low-voltage alarm operation is performed, the sounder is activated.
Each time the sound and display of
The output voltage is compared with the second threshold value, and when the output voltage falls below the second threshold value, the sound is output while maintaining the low voltage alarm operation.
To disable the sound and display of the
A radio paging receiver with a low-voltage alarm function, characterized in that the rate of rapid decrease in battery voltage is slowed down .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11097576A JP3118514B2 (en) | 1999-04-05 | 1999-04-05 | Radio paging receiver with low voltage alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11097576A JP3118514B2 (en) | 1999-04-05 | 1999-04-05 | Radio paging receiver with low voltage alarm function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000295164A JP2000295164A (en) | 2000-10-20 |
| JP3118514B2 true JP3118514B2 (en) | 2000-12-18 |
Family
ID=14196080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11097576A Expired - Fee Related JP3118514B2 (en) | 1999-04-05 | 1999-04-05 | Radio paging receiver with low voltage alarm function |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3118514B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6744698B2 (en) * | 2001-03-08 | 2004-06-01 | Seiko Epson Corporation | Battery powered electronic device and control method therefor |
| KR100433532B1 (en) * | 2001-12-29 | 2004-05-31 | 삼성전자주식회사 | Apparatus and method for managing power |
| US20130279710A1 (en) * | 2012-04-19 | 2013-10-24 | Tian Xuan Zhang | Systems and methods for sensing the operational status of an acoustic horn |
-
1999
- 1999-04-05 JP JP11097576A patent/JP3118514B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000295164A (en) | 2000-10-20 |
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