JPH04147896A - Memory card - Google Patents
Memory cardInfo
- Publication number
- JPH04147896A JPH04147896A JP2271940A JP27194090A JPH04147896A JP H04147896 A JPH04147896 A JP H04147896A JP 2271940 A JP2271940 A JP 2271940A JP 27194090 A JP27194090 A JP 27194090A JP H04147896 A JPH04147896 A JP H04147896A
- Authority
- JP
- Japan
- Prior art keywords
- memory card
- voltage
- battery
- power unit
- card body
- 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
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Credit Cards Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、メモリーカードの電力供給手段にに間し、
特に、データ保持のための電池（交換式）を内蔵したメ
モリーカードに係るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a power supply means for a memory card.
In particular, it relates to a memory card with a built-in battery (replaceable) for data retention.
メモリーカードとして、一般に、データ保持のために交
換可能な電池を内蔵したものがある。Some memory cards generally include a replaceable battery for data retention.
第２図ａ、ｂ及びＣは、交換可能な電池を内蔵しデータ
保持ができるようにした従来のメモリーカードを示す全
体正面図、側面図及び部分構成図である。FIGS. 2a, 2b, and 2c are an overall front view, a side view, and a partial configuration diagram showing a conventional memory card having a built-in replaceable battery and capable of retaining data.
図において、１は内蔵される交換式の電池、２はメモリ
ーカード本体、３は電池１を保持する電池ホルダー、４
．５はそれぞれメモリーカード本体２側に設置された−
（マイナス）電極端子及び＋（プラス）電極端子を示し
ている。In the figure, 1 is a built-in replaceable battery, 2 is a memory card body, 3 is a battery holder that holds battery 1, and 4 is a built-in replaceable battery.
．． 5 were installed on the side of the memory card body 2.
A (minus) electrode terminal and a + (plus) electrode terminal are shown.
次に動作について説明すると、メモリーカードの内蔵電
池１において、その土竜極がメモリーカード本体２の土
竜極端子５に、その−電極がメモリ−カード本体２の一
電極端子４に接触され通電される。即ち、この様に構成
されたメモリーカードにおいて、内蔵された電池１から
電極端子４．５を介してメモリーカード本体２側に電力
が供給され、データ保持ができる。Next, to explain the operation, in the built-in battery 1 of the memory card, the earth terminal contacts the earth terminal terminal 5 of the memory card main body 2, and the - electrode contacts the one electrode terminal 4 of the memory card main body 2, and is energized. . That is, in the memory card configured in this way, power is supplied from the built-in battery 1 to the memory card main body 2 side via the electrode terminals 4.5, and data can be retained.
従来の交換式の電池を内蔵したメモリーカードは上記の
様に、電力供給のために電池１とメモリーカード本体２
とが電極端子４，５を介して接触をとる構成になってい
るので、メモリーカード自体の振動等により、また接触
点の腐食等によって、電池１と電極端子４，５との接触
不良が起きる可能性があった。Conventional memory cards with built-in replaceable batteries require battery 1 and memory card body 2 to supply power, as described above.
Since the battery 1 and the electrode terminals 4 and 5 are configured to make contact with each other through the electrode terminals 4 and 5, poor contact between the battery 1 and the electrode terminals 4 and 5 may occur due to vibration of the memory card itself or corrosion of the contact points. It was possible.
また、交換式の電池では、メモリーカード２に電池自体
を出し入れし、電池１はメモリーカードの電極端子に直
接接触することで電力を供給しているので、メモリーカ
ード本体２の密閉化が行いにくいという問題点があった
。In addition, with replaceable batteries, the battery itself is inserted into and removed from the memory card 2, and the battery 1 supplies power by directly contacting the electrode terminals of the memory card, making it difficult to seal the memory card body 2. There was a problem.
この発明は上Ｊ己のような従来の問題点を解消するため
になされたもので、電池と電極端子の接触不良がなく、
メモリーカード本体のＩＭ閉化が行える非接触型パワー
ユニットを備えたメモリーカードを提供することを目的
とする。This invention was made to solve the problems of the conventional technology as described above, and there is no contact failure between the battery and the electrode terminal.
An object of the present invention is to provide a memory card equipped with a non-contact type power unit capable of closing an IM of a memory card body.
この発明に係るメモリーカードは、メモリーカード本体
と、非接触型パワーユニットとを備え、非接触型パワー
ユニット側には、内蔵電池と、この電池の電圧を交流電
圧に変換する直流−交流変換手段と、この交流電圧が加
わる一次コイルを設け、メモリーカード本体側には、上
記一次コイルに対応して交流電圧を発生する二次コイル
と、この交流電圧を直流電圧に変換してメモリーカード
本体内部に電力を供給する交流−直流変換手段を設けた
ものである。A memory card according to the present invention includes a memory card main body and a non-contact type power unit, and the non-contact type power unit side includes a built-in battery and a DC-AC conversion means for converting the voltage of the battery into an AC voltage. A primary coil to which this AC voltage is applied is provided, and a secondary coil that generates AC voltage corresponding to the primary coil is installed on the memory card body side, and a secondary coil that converts this AC voltage into DC voltage to generate power inside the memory card body. It is equipped with AC-DC conversion means for supplying.
この発明のメモリーカードによれば、非接触型パワーユ
ニットに内蔵した電池電圧を直流−交流変換手段により
交流電圧に変換し、この交流電圧を一次コイルに加え、
更に電磁誘導により、メモリーカード本体側に設けた二
次コイルに交流電圧を発生させ、この交流電圧を直流電
圧に変換してメモリーカード本体内部に電力を供給する
ものである。According to the memory card of the present invention, the voltage of the battery built in the non-contact power unit is converted to AC voltage by the DC-AC conversion means, and this AC voltage is applied to the primary coil.
Further, by electromagnetic induction, an alternating current voltage is generated in a secondary coil provided on the side of the memory card body, and this alternating current voltage is converted into a direct current voltage to supply power to the inside of the memory card body.
以下、この発明の一実施例を図について説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第１図は本実施例に係るメモリーカードと非接触パワー
ユニットを示す部分拡大構造図である０図において、１
は電池、２はメモリーカード本体を示し、従来例におけ
るものと同様である。６は本実施で採用した非接触型パ
ワーユニット、７はメモリーカード本体２側に設けられ
た交流−直流変換器、８は保護ダイオード、９は非接触
パワーユニット６側に設けられた直流−交流変換器、１
０は保護ダイオード、１１は２次コイル、１２は１次コ
イルである。1 is a partially enlarged structural diagram showing a memory card and a non-contact power unit according to this embodiment.
Reference numeral 2 indicates a battery, and 2 indicates a memory card body, which are similar to those in the conventional example. 6 is a non-contact power unit adopted in this implementation, 7 is an AC-DC converter provided on the side of the memory card body 2, 8 is a protection diode, and 9 is a DC-AC converter provided on the side of the non-contact power unit 6. ,1
0 is a protection diode, 11 is a secondary coil, and 12 is a primary coil.
次に動作について説明する。Next, the operation will be explained.
まず電池１による直流電圧は、直流−交流変換器９によ
り交流電圧に変換され、１次コイル１２から電磁誘導に
より２次コイル１１に交流電圧が誘起される。そして、
この２次コイル１１側の交流電圧は、交流−直流変換器
７によって直流電圧に変換され、メモリカード電源へ供
給される。First, the DC voltage from the battery 1 is converted into an AC voltage by the DC-AC converter 9, and an AC voltage is induced in the secondary coil 11 from the primary coil 12 by electromagnetic induction. and,
This AC voltage on the side of the secondary coil 11 is converted into a DC voltage by the AC-DC converter 7, and is supplied to the memory card power supply.
この様に構成されたメモリカードと非接触パワーユニッ
トにおいては、非接触パワーユニット６からメモリカー
ド本体２にトランスを介して電磁結合により非接触で電
力を供給することができるので、従来の問題点で述べた
電池と電極端子の接触不良という不具合も発生せず、か
つメモリカード本体２と非接触パワーユニット６の密閉
化ができる。In the memory card and non-contact power unit configured in this way, power can be supplied from the non-contact power unit 6 to the memory card main body 2 via the transformer by electromagnetic coupling, so it is possible to contactlessly supply power to the memory card body 2 as described in the conventional problem. The problem of poor contact between the battery and the electrode terminal does not occur, and the memory card main body 2 and the non-contact power unit 6 can be sealed.
〔発明の効果〕
以上のように、この発明によればメモリーカード本体と
非接触型パワーユニットを設け、非接触型パワーユニッ
トからトランスを介する電磁結合により、メモリーカー
ド本体側に電力を供給する構成としたので、内蔵電池と
メモリーカードの電極端子の接触不良という問題がなく
なり、メモリーカードの密閉化が可能となる効果がある
。[Effects of the Invention] As described above, according to the present invention, a memory card main body and a non-contact type power unit are provided, and power is supplied from the non-contact power unit to the memory card main body side by electromagnetic coupling via a transformer. This eliminates the problem of poor contact between the built-in battery and the electrode terminals of the memory card, and has the effect of making it possible to seal the memory card.
第１図はこの発明の一実施例に係るメモリーカードを示
す部分構成図、第２図ａ、ｂ及びＣは従来のメモリーカ
ードを示す全体正面図、側面図及び部分構成図である。
図中、１は電池、２はメモリーカード本体、６は非接触
型パワーユニット、７は交流−直流変換器、８は保護ダ
イオード、９は直流−交流変換器、ＩＯは保護ダイオー
ド、１１は２次コイル、１２は１次コイルである。
なお、図中同一符号は同−又は相当部分を示す。FIG. 1 is a partial configuration diagram showing a memory card according to an embodiment of the present invention, and FIGS. 2A, B, and C are an overall front view, side view, and partial configuration diagram of a conventional memory card. In the figure, 1 is a battery, 2 is a memory card body, 6 is a non-contact power unit, 7 is an AC-DC converter, 8 is a protection diode, 9 is a DC-AC converter, IO is a protection diode, and 11 is a secondary The coil 12 is a primary coil. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (2)
を備え、 非接触型パワーユニットには、内蔵電池と、この電池の
電圧を交流電圧に変換する直流−交流変換手段と、この
交流電圧が加わる一次コイルが設けられ、 メモリーカード本体には、上記一次コイルに対応して電
磁誘導により交流電圧を発生する二次コイルと、この交
流電圧を直流電圧に変換してメモリーカード本体内部に
電力を供給する交流−直流変換手段が設けられたメモリ
ーカード。(1) It includes a memory card body and a non-contact power unit, and the non-contact power unit includes a built-in battery, a DC-AC conversion means for converting the voltage of this battery into AC voltage, and a primary coil to which this AC voltage is applied. The memory card body is provided with a secondary coil that corresponds to the primary coil and generates an alternating current voltage by electromagnetic induction, and an alternating current coil that converts this alternating voltage into a direct current voltage and supplies power inside the memory card body. - A memory card provided with DC conversion means.
カード本体と非接触型パワーユニット間は密閉構造とさ
れ、かつ非接触型パワーユニットはメモリーカード本体
に着脱可能な構造としたことを特徴とする請求項１項記
載のメモリーカード。(2) The primary coil and the secondary coil are cut off, the memory card body and the non-contact power unit are sealed, and the non-contact power unit is detachably attached to the memory card body. The memory card according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2271940A JPH04147896A (en) | 1990-10-09 | 1990-10-09 | Memory card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2271940A JPH04147896A (en) | 1990-10-09 | 1990-10-09 | Memory card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04147896A true JPH04147896A (en) | 1992-05-21 |
Family
ID=17506959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2271940A Pending JPH04147896A (en) | 1990-10-09 | 1990-10-09 | Memory card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04147896A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5739184A (en) * | 1995-10-05 | 1998-04-14 | National Starch And Chemical Company | Thermosetting resin compositions |
-
1990
- 1990-10-09 JP JP2271940A patent/JPH04147896A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5739184A (en) * | 1995-10-05 | 1998-04-14 | National Starch And Chemical Company | Thermosetting resin compositions |
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