JPS63112198A - Ic card - Google Patents
Ic cardInfo
- Publication number
- JPS63112198A JPS63112198A JP61258273A JP25827386A JPS63112198A JP S63112198 A JPS63112198 A JP S63112198A JP 61258273 A JP61258273 A JP 61258273A JP 25827386 A JP25827386 A JP 25827386A JP S63112198 A JPS63112198 A JP S63112198A
- Authority
- JP
- Japan
- Prior art keywords
- card
- information
- power
- external device
- circuit
- 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
- 230000005672 electromagnetic field Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、クレジットカード、銀行カード等に用いるＩ
Ｃカードに係り、特に、外部装置との電力、情報の授受
を行なう回路を無接点化するのに好適なＩＣカードに関
する。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention provides an integrated circuit for use in credit cards, bank cards, etc.
The present invention relates to a C card, and particularly to an IC card suitable for making a circuit for exchanging power and information with an external device contactless.
従来のＩＣカードでは、特公昭５３−６４９１号公報の
ように、外部装置との電力、情報の授受には電気接点を
用いていた。In conventional IC cards, as disclosed in Japanese Patent Publication No. 53-6491, electrical contacts are used for exchanging power and information with external devices.
しかし１着脱使用類度の多いＩＣカード、及び、外部装
置にとって、電気接点の接触信頼性の確保は重要な課題
であり、必ずしも考慮はされていなかった。However, for IC cards and external devices that are often used for attachment and detachment, ensuring the contact reliability of electrical contacts is an important issue, and this has not always been taken into consideration.
（発明の目的〕
本発明の目的は、ＩＣカードと、外部装置との間の電力
及び情報の授受を、無接点回路で実行し信頼性の高いＩ
Ｃカードを提供することにある。(Objective of the Invention) An object of the present invention is to provide a highly reliable I/O device that transfers power and information between an IC card and an external device using a non-contact circuit.
The purpose is to provide C cards.
電力及び情報の授受を無接点で実行する方法には、電磁
界による方法、光による方法等があるが。Methods for transmitting and receiving power and information without contact include methods using electromagnetic fields and methods using light.
本発明はこれを、ＩＣカードに適用するものである。The present invention applies this to IC cards.
第１図において１は、ＩＣカードと電力、情報を授受す
る外部装置、２はＩＣカードである。In FIG. 1, 1 is an external device that exchanges power and information with the IC card, and 2 is an IC card.
外部装置１に於いて、２は、コンピュータ等よりなる情
報処理装置であり、クレジットカード、銀行カード等の
システムの一部を指式する。３は発振器であり、４は、
周波数変調器、５は電力増幅器、６は送信コイルである
。In the external device 1, 2 is an information processing device such as a computer, which inputs a part of the system such as a credit card or a bank card. 3 is an oscillator, 4 is
5 is a frequency modulator, 5 is a power amplifier, and 6 is a transmitting coil.
システム側よりＩＣカードに伝達する情報及び電力は、
送信コイル６より誘導電磁界として、送出される。The information and power transmitted from the system side to the IC card are
It is sent out from the transmitting coil 6 as an induced electromagnetic field.
一方、７は受信コイルであり、ＩＣカードからの情報を
受信し、復調器８を経て、情報処理装置２に入力される
。On the other hand, 7 is a receiving coil that receives information from the IC card, passes through a demodulator 8, and inputs the information to the information processing device 2.
ＩＣカード１０では、外部装置からの誘導電磁界を受信
コイル１７で受信し、これを整流回路２０で整流の上、
平滑回路２１で平滑化することによって、ＩＣカード全
体の電力を供給する。前述のように、周波数変調を用い
ているため、情報の内容にかかわりなく、安定した電力
の供給を受けることが可能である。In the IC card 10, the receiving coil 17 receives an induced electromagnetic field from an external device, and the rectifying circuit 20 rectifies the field.
Smoothing is performed by the smoothing circuit 21 to supply power to the entire IC card. As mentioned above, since frequency modulation is used, it is possible to receive stable power supply regardless of the content of the information.
一方、受信コイル１７からの信号は復調器１８を経て、
メモリ１９の制御回路に与えられる。制御回路１２は、
マイクロコンピュータ等より構成されるものであり、外
部装置１からの情報に基づき、メモリ１９に情報を書き
込み、または、読出し必要な処理をした後、外部装置１
へ送出するデータを変調器１４及び電力増幅器１５、送
信コイル１６を経て送出する。On the other hand, the signal from the receiving coil 17 passes through the demodulator 18,
The signal is applied to the control circuit of memory 19. The control circuit 12 is
It is composed of a microcomputer, etc., and after writing or reading information into the memory 19 and performing necessary processing based on the information from the external device 1, the external device 1
The data to be sent to is sent out via a modulator 14, a power amplifier 15, and a transmitting coil 16.
なお、外部装置１の電力は１図示していないが、商用電
源等より供給される。Although not shown in the figure, the power for the external device 1 is supplied from a commercial power source or the like.
第２図では、電力の授受と、情報の授受とは共に光を用
いている。In FIG. 2, light is used for both power transmission and information transmission and reception.
外部装置１に於いて、２２は電源であり、ＩＣカード１
０に電力を供給するためのＬＥＤ２３を点灯させるとと
もに、外部装置１の全体に電力を供給している。In the external device 1, 22 is a power supply, and the IC card 1
The LED 23 for supplying power to the external device 1 is turned on, and power is supplied to the entire external device 1.
その他、情報の授受に当ってはＬＥＤ６ａ及び１６ａ光
トランジスタ７ａ、Ｌ７ａを用いており、光強度変調（
情報の′″ｌ ′１ 、 ｊｌ Ｑｌ＃に対応して光を
点滅する）によって伝送する。In addition, when transmitting and receiving information, LEDs 6a and 16a and optical transistors 7a and L7a are used, and light intensity modulation (
The information is transmitted by blinking light corresponding to ``l''1, jl Ql#).
なお、光による場合にも、周波数変調された副搬送波も
用いて光に変調をかける等の方式によれば、電力授受と
、情報授受とを共用することもできる。Note that even in the case of using light, it is possible to share power transfer and information transfer by using a method such as modulating the light using a frequency-modulated subcarrier.
本発明によれば、ＩＣカードと、外部装置との間は、電
気的な接触部分なしに、電力及び情報の授受が可能とな
り、信頼性の高いＩＣカードとすることができる。According to the present invention, power and information can be exchanged between an IC card and an external device without any electrical contact, and a highly reliable IC card can be obtained.
第１図は、本発明の一実施例のブロック図、第２図は、
本発明の他の実施例のブロック図である。
１・・・外部装置、２・・・ＩＣカード。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of an embodiment of the present invention.
FIG. 3 is a block diagram of another embodiment of the present invention. 1...External device, 2...IC card.
Claims (2)
たＩＣカードに於いて、 誘導電磁界によつて電力の供給及び、情報の授受を行な
う回路を設けたことを特徴とするＩＣカード。1. An IC card equipped with a semiconductor memory element and a read/write control circuit thereof, characterized in that the IC card is equipped with a circuit for supplying power and exchanging information using an induced electromagnetic field.
したＩＣカードに於いて、 電力の供給を受ける太陽電池と、情報の授受を行なう光
センサと、発光素子とを設けたことを特徴とするＩＣカ
ード。2. An IC card equipped with a semiconductor memory element and a read/write control circuit thereof, characterized in that it is equipped with a solar cell that receives power, an optical sensor that exchanges information, and a light emitting element. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61258273A JPS63112198A (en) | 1986-10-31 | 1986-10-31 | Ic card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61258273A JPS63112198A (en) | 1986-10-31 | 1986-10-31 | Ic card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112198A true JPS63112198A (en) | 1988-05-17 |
Family
ID=17317951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61258273A Pending JPS63112198A (en) | 1986-10-31 | 1986-10-31 | Ic card |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63112198A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01302486A (en) * | 1988-05-30 | 1989-12-06 | Toppan Printing Co Ltd | Information card |
| JPH0292695A (en) * | 1988-09-30 | 1990-04-03 | Toppan Printing Co Ltd | Card case |
| JPH02104738U (en) * | 1989-02-01 | 1990-08-21 | ||
| WO1991011784A1 (en) * | 1990-02-02 | 1991-08-08 | Omron Corporation | Data carrier |
| JPH0474024A (en) * | 1990-07-16 | 1992-03-09 | Siemens Ag | Non-contact transmitter of data and energy and usage method thereof |
| JPH04344993A (en) * | 1991-05-22 | 1992-12-01 | Kyodo Printing Co Ltd | Non-contact type ic card |
| JP2005110421A (en) * | 2003-09-30 | 2005-04-21 | Sharp Corp | Power supply system |
| US7233137B2 (en) | 2003-09-30 | 2007-06-19 | Sharp Kabushiki Kaisha | Power supply system |
| WO2008065993A1 (en) * | 2006-11-28 | 2008-06-05 | Philtech Inc. | Rf powder particle, rf powder, rf powder exciting method |
| US7450910B2 (en) | 2003-09-30 | 2008-11-11 | Sharp Kabushiki Kaisha | Non-contact power supply system |
| US8178415B2 (en) | 2006-11-27 | 2012-05-15 | Philtech, Inc. | Method for manufacturing RF powder |
| US8237622B2 (en) | 2006-12-28 | 2012-08-07 | Philtech Inc. | Base sheet |
| US8318047B2 (en) | 2006-11-28 | 2012-11-27 | Philtech, Inc. | Method for providing RF powder and RF powder-containing liquid |
| US8766853B2 (en) | 2006-11-27 | 2014-07-01 | Philtech Inc. | Method for adding RF powder and RF powder-added base sheet |
| US8766802B2 (en) | 2006-11-27 | 2014-07-01 | Philtech Inc. | Base data management system |
| US8933784B2 (en) | 2006-11-28 | 2015-01-13 | Philtech Inc. | RF powder particle, RF powder, and RF powder-containing base |
-
1986
- 1986-10-31 JP JP61258273A patent/JPS63112198A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01302486A (en) * | 1988-05-30 | 1989-12-06 | Toppan Printing Co Ltd | Information card |
| JPH0292695A (en) * | 1988-09-30 | 1990-04-03 | Toppan Printing Co Ltd | Card case |
| JPH02104738U (en) * | 1989-02-01 | 1990-08-21 | ||
| WO1991011784A1 (en) * | 1990-02-02 | 1991-08-08 | Omron Corporation | Data carrier |
| JPH0474024A (en) * | 1990-07-16 | 1992-03-09 | Siemens Ag | Non-contact transmitter of data and energy and usage method thereof |
| JPH04344993A (en) * | 1991-05-22 | 1992-12-01 | Kyodo Printing Co Ltd | Non-contact type ic card |
| JP2005110421A (en) * | 2003-09-30 | 2005-04-21 | Sharp Corp | Power supply system |
| US7233137B2 (en) | 2003-09-30 | 2007-06-19 | Sharp Kabushiki Kaisha | Power supply system |
| US7450910B2 (en) | 2003-09-30 | 2008-11-11 | Sharp Kabushiki Kaisha | Non-contact power supply system |
| US8766853B2 (en) | 2006-11-27 | 2014-07-01 | Philtech Inc. | Method for adding RF powder and RF powder-added base sheet |
| US8178415B2 (en) | 2006-11-27 | 2012-05-15 | Philtech, Inc. | Method for manufacturing RF powder |
| US8766802B2 (en) | 2006-11-27 | 2014-07-01 | Philtech Inc. | Base data management system |
| WO2008065993A1 (en) * | 2006-11-28 | 2008-06-05 | Philtech Inc. | Rf powder particle, rf powder, rf powder exciting method |
| US8704202B2 (en) | 2006-11-28 | 2014-04-22 | Philtech Inc. | RF powder particles including an inductance element, a capacitance element, and a photovoltaic cell and method for exciting RF powder |
| US8318047B2 (en) | 2006-11-28 | 2012-11-27 | Philtech, Inc. | Method for providing RF powder and RF powder-containing liquid |
| US8933784B2 (en) | 2006-11-28 | 2015-01-13 | Philtech Inc. | RF powder particle, RF powder, and RF powder-containing base |
| US8237622B2 (en) | 2006-12-28 | 2012-08-07 | Philtech Inc. | Base sheet |
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