JPH08313615A - Positioning system - Google Patents

Positioning system

Info

Publication number
JPH08313615A
JPH08313615A JP8138029A JP13802996A JPH08313615A JP H08313615 A JPH08313615 A JP H08313615A JP 8138029 A JP8138029 A JP 8138029A JP 13802996 A JP13802996 A JP 13802996A JP H08313615 A JPH08313615 A JP H08313615A
Authority
JP
Japan
Prior art keywords
power
time
control means
power supply
turned
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.)
Granted
Application number
JP8138029A
Other languages
Japanese (ja)
Other versions
JP2959470B2 (en
Inventor
Kazushi Tanabe
一志 田部
Kensaku Ochiai
健作 落合
Kenichi Toshimitsu
健一 利光
Masamitsu Okamura
真実 岡村
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP8138029A priority Critical patent/JP2959470B2/en
Publication of JPH08313615A publication Critical patent/JPH08313615A/en
Application granted granted Critical
Publication of JP2959470B2 publication Critical patent/JP2959470B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Direct Current Feeding And Distribution (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

PURPOSE: To prolong the driving time with one battery. CONSTITUTION: The positioning system comprises power supply ON/OFF control means 1, 3, 5 for turning at least a power supply required for main operation every preset time, and power interruption control means 1, 3, 5 for turning the power supply upon elapse of a predetermined time. Upon detection of a predetermined request signal when the power supply is turned off by the power interruption control means 1, 3, 5, the power interruption control means 1, 3, 5 are actuated to turn on the power supply.

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】本発明は、バッテリー駆動で
携帯する際に好適な測位装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning device suitable for being carried by a battery.

【0002】[0002]

【従来の技術】例えば、GPS衛星からの電波を受信し
て測位を行なう測位装置は、一般に大型で持ち運ぶこと
を想定していない。
2. Description of the Related Art For example, a positioning device that receives radio waves from GPS satellites for positioning is generally not large and is not supposed to be carried.

【0003】そこで、屋外での使用を目的とした携帯用
の測位装置が本出願人により提案されており、その測位
装置は、基本的にバッテリーを電源として駆動される。
Therefore, a portable positioning device intended for outdoor use has been proposed by the present applicant, and the positioning device is basically driven by a battery as a power source.

【0004】また、一般に測位データは2秒〜3秒以内
に更新されるが、実用上、それ程の測位データは必要が
ない場合がある。
Generally, the positioning data is updated within 2 to 3 seconds, but in practical use, such positioning data may not be necessary.

【0005】[0005]

【発明が解決しようとする課題】そのため、測位データ
の更新等を必要最小限にとどめ、同一のバッテリーで、
できるだけ長い時間に渡って装置が駆動されることが望
ましい。
Therefore, by updating the positioning data to the minimum necessary and using the same battery,
It is desirable to drive the device for as long a time as possible.

【0006】本発明の目的は、同一のバッテリーでの駆
動時間を延ばすことができる測位装置を提供することに
ある。
An object of the present invention is to provide a positioning device that can extend the driving time with the same battery.

【0007】[0007]

【課題を解決するための手段】本発明は、少なくとも主
動作に必要な電源が予め設定された所定時間毎にオンと
される電源投入制御手段と、電源がオンとされたときか
ら予め設定された所定時間が経過するのに応答して電源
がオフとされる電源遮断制御手段とを有する測位装置に
おいて、この電源遮断制御手段により電源がオフとされ
ている状態で所定の要求信号が検出されると、この電源
投入制御手段が作動して電源をオンするようにされたも
のである。
According to the present invention, at least a power-on control means for turning on a power source required for a main operation at preset time intervals, and a preset time from when the power source is turned on. In a positioning device having a power shutoff control means for turning off the power in response to the passage of a predetermined time, a predetermined request signal is detected by the power shutoff control means while the power is off. Then, the power-on control means is activated to turn on the power.

【0008】本発明に係る測位装置では、少なくとも主
動作に必要な電源が所定の時間毎にオンとされるととも
に、オンとされたときから所定時間経過後に、電源がオ
フとされる、また電源がオフされている状態で所定の要
求信号が検出されると、電源をオンするので、何等支障
なく良好に同一のバッテリーでの駆動時間を延ばすこと
ができる。。
In the positioning device according to the present invention, at least the power supply required for the main operation is turned on every predetermined time, and the power is turned off after a predetermined time elapses from the time when the power is turned on. When a predetermined request signal is detected in a state where is turned off, the power is turned on, so that the driving time in the same battery can be favorably extended without any trouble. .

【0009】[0009]

【実施例】以下、本発明に係る測位装置の好適な実施例
を、図面に基いて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of a positioning device according to the present invention will be described below with reference to the drawings.

【0010】図1において、マイクロコンピュータ等を
主体として構成される制御部1には、外部入力部3、タ
イマーコントロール部5からの出力信号が各々取り込ま
れ、制御部3では、それら信号等に基いて、測位装置の
主要動作部7(測位装置機能の主体となる動作部)の動
作制御が行なわれる。
In FIG. 1, output signals from an external input section 3 and a timer control section 5 are respectively taken into a control section 1 which is mainly composed of a microcomputer and the like, and the control section 3 is based on these signals and the like. In addition, the operation control of the main operation unit 7 (the operation unit that is the main body of the positioning device function) of the positioning device is performed.

【0011】なお、外部入力部3としては、例えばGP
S衛星からの電波を受信するレシーバー、各種操作ボタ
ンなどが挙げられる。
The external input unit 3 may be, for example, GP.
Examples include a receiver that receives radio waves from S satellites and various operation buttons.

【0012】そして、タイマーコントロール部5では、
図2に示すように、必要に応じて、主要動作部7に供給
される電源をオンとさせる(アウエイク状態)時間間隔
O(例えば、10分〜90分)が設定されるととも
に、この電源がオンとされ時間T1 (アウエイク時間;
例えば20秒)とオフとされる(スリープ状態)時間と
が設定される。
Then, in the timer control section 5,
As shown in FIG. 2, optionally with to turn on the power supplied to the main operation unit 7 (Aueiku state) time interval T O (e.g., 10 minutes to 90 minutes) is set, the power supply Is turned on for a time T 1 (out wake time;
For example, 20 seconds) and an off time (sleep state) are set.

【0013】この場合、タイマーコントロール部5から
は、時間TO のインターバルでトリガ−パルスが制御部
1に入力され、そのトリガ−パルスのパルス幅は時間T
1 とされている。
In this case, the trigger pulse is input from the timer control section 5 to the control section 1 at an interval of time T O , and the pulse width of the trigger pulse is the time T.
It is supposed to be 1 .

【0014】ここで、本発明の要部となる制御部1で行
なわれる処理手順を、図3のフローチャートに従って説
明する。
Here, the processing procedure performed by the control unit 1 which is the main part of the present invention will be described with reference to the flowchart of FIG.

【0015】まず、電源が時間T0 のインターバルでオ
ンとされるパワーセーブ機能(間欠動作)が、所定操作
により選択されると(ステップS1 YES)、現在アウ
エイク状態であれば(ステップS3 YES)、アウエイ
ク状態の継続要求がないのを条件として、アウエイク時
間T1 のタイムアップを待つ。
First, when the power save function (intermittent operation) in which the power source is turned on at intervals of time T 0 is selected by a predetermined operation (YES in step S 1 ), it is currently in the awake state (step S 3). YES), on the condition that there is no request to continue the awake state, wait for the awake time T 1 to expire.

【0016】この場合、アウエイク状態の継続要求と
は、外部入力部3からのキー入力、装置の各アプリケー
ション部プログラムの都合などが挙げられる。
In this case, the continuation request for the awake state includes key input from the external input unit 3, convenience of each application program of the apparatus, and the like.

【0017】そして、ステップS11でタイムアップとな
ると、主要動作部7への電源供給は遮断されてスリープ
状態とされ(ステップS15)、外部入力部3からのキー
入力等、外部要因によるアウエイク状態復帰の要求がな
ければ(ステップS15NO)、ステップS20に進んで、
パワーセーブ機能以外の他の処理が行なわれる。
When the time is up in step S 11 , the power supply to the main operating section 7 is cut off to put it in a sleep state (step S 15 ), and an wake-up due to an external factor such as a key input from the external input section 3 is performed. if a request for return state (step S 15 NO), the routine proceeds to step S 20,
Processing other than the power save function is performed.

【0018】一方、ステップS15でアウエイク状態復帰
の要求があれば、主要動作部7がアウエイク状態にされ
る(ステップS17)。
Meanwhile, if there is a request Aueiku return state in step S 15, the main operation unit 7 is in Aueiku state (step S 17).

【0019】そして、ステップS3 でスリープ状態であ
れば、ステップS20に進み、ステップS11でタイムアッ
プがなければステップS20に進む。
[0019] Then, if the sleep state in step S 3, the process proceeds to step S 20, the process proceeds to step S 20 if there is no time up in the step S 11.

【0020】また、ステップS5 で、継続要求があれ
ば、図2から理解されるようにアウエイク状態の時間が
時間T1 (ステップS7 YES)から更に時間T1 だけ
更新され(ステップS9 )、その結果アウエイク状態の
時間はT2 となる。
Further, if there is a continuation request at step S 5 , as can be understood from FIG. 2, the time in the awake state is further updated from time T 1 (step S 7 YES) by time T 1 (step S 9 ), And as a result, the time in the awake state is T 2 .

【0021】以上説明したように、この実施例では、パ
ワーセーブ機能を有するので、測位データの更新などが
必要最小限に設定できる。
As described above, in this embodiment, since the power saving function is provided, updating of positioning data and the like can be set to the necessary minimum.

【0022】従って、不要な電力消費を回避して、装置
の駆動時間を延ばすことができる。
Therefore, it is possible to avoid unnecessary power consumption and prolong the driving time of the device.

【0023】この場合、用途に対応して、時間TO ,T
1 が設定されるので、使用上の不都合が生じ得ない。
In this case, the times T O and T are
Since 1 is set, no inconvenience in use can occur.

【0024】なお、パワーセーブ機能はソフトウエアで
実現できるので外部電源が使用できる場合には、パワー
セーブ機能が自動的に解除される構成も好適である。
Since the power save function can be realized by software, it is also preferable that the power save function is automatically canceled when an external power source can be used.

【0025】[0025]

【発明の効果】以上の説明で理解されるように、本発明
に係る測位装置では、少なくとも主動作に必要な電源が
所定の時間毎にオンとされるとともに、オンとされたと
きから所定時間経過後に、電源がオフとされ、また電源
がオフされている状態で所定の要求信号が検出される
と、電源をオンするので、不要な電源供給が行なわれる
ことなく、駆動時間を延ばすことができる利益がある。
As can be understood from the above description, in the positioning device according to the present invention, at least the power supply required for the main operation is turned on every predetermined time, and for a predetermined time after the power is turned on. After a lapse of time, the power is turned off, and when a predetermined request signal is detected while the power is off, the power is turned on, so that the drive time can be extended without unnecessary power supply. There are profits that can be made.

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

【図1】本発明に係る測位装置の好適な実施例のシステ
ムブロック図である。
FIG. 1 is a system block diagram of a preferred embodiment of a positioning device according to the present invention.

【図2】測位装置の動作を示すタイミングチャートであ
る。
FIG. 2 is a timing chart showing the operation of the positioning device.

【図3】測位装置の動作を示すフローチャートである。FIG. 3 is a flowchart showing the operation of the positioning device.

【符号の説明】[Explanation of symbols]

1 制御部、3 外部入力部、5 タイマーコントロー
ル部、7 測位装置主要動作部
1 control unit, 3 external input unit, 5 timer control unit, 7 main positioning unit operation unit

───────────────────────────────────────────────────── フロントページの続き (72)発明者 岡村 真実 東京都品川区北品川6丁目7番35号 ソニ ー株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Makoto Okamura 6-735 Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Corporation

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 少なくとも主動作に必要な電源が予め設
定された所定時間毎にオンとされる電源投入制御手段
と、電源がオンとされたときから予め設定された所定時
間が経過するのに応答して電源がオフとされる電源遮断
制御手段とを有する測位装置において、 上記電源遮断制御手段により電源がオフとされている状
態で所定の要求信号が検出されると、上記電源投入制御
手段が作動して電源をオンするようにされたことを特徴
とする測位装置。
1. A power-on control means for turning on a power supply required for at least a main operation every predetermined time set in advance, and a predetermined time set in advance after the power is turned on. In a positioning device having a power-off control means for turning off the power in response, when the predetermined request signal is detected by the power-off control means while the power is off, the power-on control means The positioning device is characterized by being activated to turn on the power.
JP8138029A 1996-05-31 1996-05-31 Positioning device Expired - Lifetime JP2959470B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8138029A JP2959470B2 (en) 1996-05-31 1996-05-31 Positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8138029A JP2959470B2 (en) 1996-05-31 1996-05-31 Positioning device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3148758A Division JP2959191B2 (en) 1991-06-20 1991-06-20 Positioning device

Publications (2)

Publication Number Publication Date
JPH08313615A true JPH08313615A (en) 1996-11-29
JP2959470B2 JP2959470B2 (en) 1999-10-06

Family

ID=15212389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8138029A Expired - Lifetime JP2959470B2 (en) 1996-05-31 1996-05-31 Positioning device

Country Status (1)

Country Link
JP (1) JP2959470B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107782A (en) * 1989-09-21 1991-05-08 Nissan Motor Co Ltd Gps receiving device
JPH03107982A (en) * 1989-09-22 1991-05-08 Canon Inc Cleaning device for image forming device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03107782A (en) * 1989-09-21 1991-05-08 Nissan Motor Co Ltd Gps receiving device
JPH03107982A (en) * 1989-09-22 1991-05-08 Canon Inc Cleaning device for image forming device

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JP2959470B2 (en) 1999-10-06

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