JPH03162629A - Card type scale - Google Patents
Card type scaleInfo
- Publication number
- JPH03162629A JPH03162629A JP30288989A JP30288989A JPH03162629A JP H03162629 A JPH03162629 A JP H03162629A JP 30288989 A JP30288989 A JP 30288989A JP 30288989 A JP30288989 A JP 30288989A JP H03162629 A JPH03162629 A JP H03162629A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- circuit
- card
- display device
- strain gauge
- 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
- 238000000034 method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
この発明は、物品の重さを手軽に計測することができる
カード型はかりに関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to a card-type scale that can easily measure the weight of articles.
（口）従来の技術
一般によく知られた物品の重さをはかる計器としては、
上皿型はかり、つけ下げ型ばねばかり等がある。従来、
祁使物、料理材料などの重さをはかるのに、所定の場所
に置かれこれらのはかりを使用していた。(Expression) Conventional technology As a generally well-known instrument for measuring the weight of goods,
There are top plate type scales, lower type spring scales, etc. Conventionally,
These scales, placed at designated locations, were used to measure the weight of items such as messengers and cooking ingredients.
（ハ）発明が解決しようとする課覇
上記した上皿型はかり、つけ下げ型はかりは、携帯タイ
プにできていない、重いなどの理由から、気軽に持ち運
びができるというものではなく、どこでも使用できると
いうわけにはいかなかった。(c) Challenges that the invention aims to solve The above-mentioned top-pan scales and drop-down scales are not portable and are heavy, so they cannot be easily carried around and can be used anywhere. That couldn't be the case.
また、もちろんポケットなどに入れて携帯することもで
きなかった。このため、小型、軽量でポケッタプルな携
帯用のはかりの出現が望まれていた。Also, of course, it was not possible to carry it around in your pocket. For this reason, there has been a desire for a portable scale that is small, lightweight, and portable.
この発明は、上記問題点に着目してなされたものであっ
て、小型、軽量でポケッタプルな携帯用のカード型はか
りを提供することを目的としている。The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a portable card-type scale that is small, lightweight, and pocketable.
（二）課題を解決するための手段及び作用この発明のカ
ード型はかりは、カード状部材の表面近傍に荷重検知器
及び表示器を設けるとともに、前記カード状部材の内部
に前記荷重検知器の出力に応答して重量を演算する重量
演算回路、得られた重量を前記表示器に表示させるため
の表示器駆動回路及び電池を備えている。(2) Means and Effects for Solving the Problems The card-type scale of the present invention is provided with a load detector and an indicator near the surface of the card-shaped member, and an output of the load detector is provided inside the card-shaped member. The apparatus includes a weight calculation circuit that calculates the weight in response to the weight, a display drive circuit for displaying the obtained weight on the display, and a battery.
このカード型はかりでは、本体の一端に被測定物を保持
し、本体の他端の所定位置を指でつまみ、例えば水平に
保つと、本体は、被測定物の重量で一端部がたわみ、こ
れが荷重検知器で検知され、重量演算回路で、重量演算
されて表示器に表示される。In this card-type scale, when you hold an object to be measured at one end of the main body and hold the other end of the main body at a predetermined position with your fingers to keep it horizontal, for example, one end of the main body bends due to the weight of the object. It is detected by the load detector, and the weight is calculated by the weight calculation circuit and displayed on the display.
カード型なので、小型、軽量Ｃこでき、ポケントムこも
入り携帯に非常に便利である。Since it is a card type, it is small and lightweight, and it is very convenient to carry around in a pocket bag.
（ホ）実施例
以下、実施例乙こより、この発明をさらに詳細に説明す
る。(e) Examples This invention will be described in further detail from Example B below.
第１図は、この発明の一実施例を示すカード型はかりの
平面図、第２図は、第１図をＩＩ−ＩＴ線で切断した断
面図である。このカード型はかりはカード状の本体１内
の表面（裏面）付近に歪ゲージ２と、表示器３を設けて
いる。また、本体１内に歪ゲージ２からの出力信号を受
けて処理する（Ａ／Ｄ変換等する）信号処理回路４、こ
の信号処理回路４ａからのデータに応じて重量演算を行
う重量演算回路４ｂを含む回路４、表示器駆動回路５、
及び電池６を内蔵している。FIG. 1 is a plan view of a card type scale showing an embodiment of the present invention, and FIG. 2 is a sectional view taken along the line II--IT in FIG. 1. This card-type scale has a strain gauge 2 and a display 3 near the front (back) side of a card-shaped main body 1. Further, within the main body 1, there is a signal processing circuit 4 that receives and processes the output signal from the strain gauge 2 (conducts A/D conversion, etc.), and a weight calculation circuit 4b that performs weight calculation according to data from the signal processing circuit 4a. a circuit 4 including a display drive circuit 5,
and a built-in battery 6.
また、木体ｌの一方の端縁１ａには、被計測物品を可動
片７ａ、７ｂと固定部７ｃで保持する保持部７と、本体
ｌの他方の端Ｈ１ｂに！ま、カード本体１の所定の場所
をつまめるように表裏に凹状のつまみ８を設けている。Furthermore, on one edge 1a of the wooden body l, there is a holding part 7 that holds the object to be measured using movable pieces 7a, 7b and a fixed part 7c, and on the other end H1b of the main body l! Well, a concave tab 8 is provided on the front and back sides of the card body 1 so that it can be pinched at a predetermined location.
このカード型はかりの電子回路部の構威は第３図に示す
ように、荷重検出部を構成する歪ゲージ２と、この歪ゲ
ージ２からの出力信号を受けてデジタル信号に変換する
Ａ／Ｄ変換器を含む信号処理回路４ａと、この信号処理
回路３ａから取り込まれるデータに応じ、重量を演算す
る重量演箕回路４ｂ，演算された重量値を表示器３に表
示させるための表示器駆動回路５及び表示Ｆ５３とから
なっている。重量演箕回路４ａとしては、マイクロコン
ピュータが使用される。As shown in Figure 3, the electronic circuit section of this card-type scale includes a strain gauge 2 that constitutes a load detection section, and an A/D that receives the output signal from this strain gauge 2 and converts it into a digital signal. A signal processing circuit 4a including a converter, a weight calculation circuit 4b for calculating weight according to data taken in from the signal processing circuit 3a, and a display drive circuit for displaying the calculated weight value on the display 3. 5 and display F53. A microcomputer is used as the weight calculation circuit 4a.
次に、この実施例カード型はかりを用いて被測定物の重
量をはかる場合の方法及び動作を第４図を参照して説明
する。Next, a method and operation for measuring the weight of an object to be measured using this embodiment card-type scale will be explained with reference to FIG.
測定に際しては、被測定物（ここでは郵便物）９を、保
持部７の可動片７ａ、７ｂと固定部７ｃで挟み、保持す
る。その後、つまみ８、８を右手の親指と人指し指でつ
まみ上げ、カード本体１を水平に保持する。これにより
木体ｌの先端部１ａが被測定物９の重さ（荷重）に応じ
て、たわみ、歪みが生し、この歪みがカード本体１面に
貼着された歪ゲージ２で検出され、信号処理回路４ａで
デジタル信号に変換され、重量演算回路４ｂで重量清算
がなされ、その結果である重量が表示器３に表示される
。During measurement, the object to be measured (in this case, mail) 9 is held between the movable pieces 7a and 7b of the holding section 7 and the fixed section 7c. Thereafter, the knobs 8, 8 are picked up with the thumb and forefinger of the right hand, and the card body 1 is held horizontally. As a result, the tip 1a of the wooden body 1 is deflected and distorted according to the weight (load) of the object to be measured 9, and this distortion is detected by the strain gauge 2 attached to the card body 1. The signal processing circuit 4a converts the signal into a digital signal, the weight calculating circuit 4b calculates the weight, and the resulting weight is displayed on the display 3.
なお、上記実施例において、被測定物９を保持する保持
部７、つまみ８及び表示器３の形態は、ここに示すもの
に限られるものでなく、適宜の態様のものを用いてもよ
い。また、電池６としては太陽電池を用いてもよい。In the above embodiment, the shapes of the holding part 7 that holds the object to be measured 9, the knob 8, and the display 3 are not limited to those shown here, and any suitable shape may be used. Further, as the battery 6, a solar cell may be used.
（へ）発明の効果
この発明ムこよれば、外型が、カード型であり、かつ歪
ゲージ等の荷重検出器を用いて重量を検出するちのであ
るから、ポケノト等に入る大きさで極めて軽量なはかり
が実現でき、どこでも手軽に重さが測定できる。また携
帯用として非常に便利なので、重量測定のためにはかり
の設置してある場所まで行く必要がない。その上携帯用
として、今後新しいはかりの使用法が種々考えられる。(f) Effects of the invention According to this invention, the outer mold is a card type, and the weight is detected using a load detector such as a strain gauge, so it is extremely small enough to fit into a pocket notebook, etc. This makes it possible to create a lightweight scale that allows you to easily measure weight anywhere. It is also very convenient to carry, so there is no need to go to a location where a scale is installed to measure weight. In addition, there are many ways to use new scales in the future as portable scales.
第１図は、この発明の一実施例を示すカード型はかりの
平面図、第２図は、第１図の同カード型はかりを■一■
線で切断した断面図、第３図は、同カード型はかりの回
路構戒を示すブロック図、第４図は、同カード型はかり
の使用状態を示す斜視図である。
ｌ二本体、 ２：歪ゲージ、
３：表示器、 ４ｂ：重量演算回路、５：表示器
駆動回路、６：電池。Fig. 1 is a plan view of a card-type scale showing an embodiment of the present invention, and Fig. 2 is a plan view of the same card-type scale shown in Fig. 1.
3 is a block diagram showing the circuit configuration of the card-type scale, and FIG. 4 is a perspective view showing the card-type scale in use. 2 main bodies, 2: strain gauge, 3: display, 4b: weight calculation circuit, 5: display drive circuit, 6: battery.
Claims (1)
を設けるとともに、前記カード状部材の内部に前記荷重
検知器の出力に応答して重量を演算する重量演算回路、
得られた重量を前記表示器に表示させるための表示器駆
動回路及び電池を備えたことを特徴とするカード型はか
り。(1) A weight calculation circuit that provides a load detector and an indicator near the surface of the card-like member and calculates the weight in response to the output of the load detector inside the card-like member;
A card type scale comprising a display drive circuit and a battery for displaying the obtained weight on the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30288989A JPH03162629A (en) | 1989-11-21 | 1989-11-21 | Card type scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30288989A JPH03162629A (en) | 1989-11-21 | 1989-11-21 | Card type scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03162629A true JPH03162629A (en) | 1991-07-12 |
Family
ID=17914323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30288989A Pending JPH03162629A (en) | 1989-11-21 | 1989-11-21 | Card type scale |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03162629A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989008242A1 (en) * | 1988-03-04 | 1989-09-08 | Shlomo Angel | Portable electronic scale of minimal thickness and weight |
-
1989
- 1989-11-21 JP JP30288989A patent/JPH03162629A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989008242A1 (en) * | 1988-03-04 | 1989-09-08 | Shlomo Angel | Portable electronic scale of minimal thickness and weight |
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