JP2000163538A - Information storage medium - Google Patents
Information storage mediumInfo
- Publication number
- JP2000163538A JP2000163538A JP10338634A JP33863498A JP2000163538A JP 2000163538 A JP2000163538 A JP 2000163538A JP 10338634 A JP10338634 A JP 10338634A JP 33863498 A JP33863498 A JP 33863498A JP 2000163538 A JP2000163538 A JP 2000163538A
- Authority
- JP
- Japan
- Prior art keywords
- information
- storage medium
- information transmission
- information storage
- transmission means
- 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
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＩＣカード等の情
報記憶媒体に関し、特に、情報伝達方式の異なる読出し
・書込み装置（以下、外部装置という）に対応して、複
数の情報伝達手段を備えた情報記憶媒体に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an information storage medium such as an IC card and, more particularly, to a plurality of information transmission means corresponding to a read / write device (hereinafter, referred to as an external device) having a different information transmission method. Related to an information storage medium.
【０００２】[0002]
【従来の技術】従来、この種の情報記憶媒体は、例え
ば、接触型ＩＣカード又は非接触型ＩＣカード等のよう
に、外部装置との情報伝達手段が１種類だけに限られて
いた。2. Description of the Related Art Conventionally, this type of information storage medium has been limited to a single type of information transmission means with an external device, such as a contact IC card or a non-contact IC card.
【０００３】[0003]
【発明が解決しようとする課題】このために、従来の技
術では、接触型又は非接触型などのように、複数種類の
外部装置が混在する環境において、情報記憶媒体は、情
報が伝達できる外部装置が限定されてしまう。また、接
触型又は非接触型同士であっても、通信プロトコルが異
なる場合には、情報の伝達ができない。For this reason, in the prior art, in an environment where a plurality of types of external devices coexist, such as a contact type or a non-contact type, an information storage medium is an external device through which information can be transmitted. The equipment is limited. Also, even if the contact type or the non-contact type is used, if the communication protocol is different, information cannot be transmitted.
【０００４】本発明は、前述した課題を解決し、異なる
情報伝達方式の外部装置に対して、その交信開始時およ
び／または取引き開始時に、その外部装置が備える情報
伝達手段を判別して、短時間で交信を継続することがで
きる情報記憶媒体を提供することを目的とする。[0004] The present invention solves the above-mentioned problems, and determines the information transmission means provided for an external device of a different information transmission system at the start of communication and / or at the start of a transaction. An object of the present invention is to provide an information storage medium capable of continuing communication in a short time.
【０００５】[0005]
【課題を解決するための手段】前記課題を解決するため
に、請求項１の発明は、外部装置との間で情報の伝達を
行う複数種類の情報伝達手段（１３，１４）と、定期的
に及び／又は所定の条件を満たしたときに、前記情報伝
達手段をいずれかに切り替える情報伝達手段切替え手段
（１５）と、を備えた情報記憶媒体である。In order to solve the above-mentioned problems, the invention according to claim 1 comprises a plurality of types of information transmitting means (13, 14) for transmitting information to and from an external device, and a plurality of types of information transmitting means (13, 14). And / or an information transmission means switching means (15) for switching the information transmission means to one of the information transmission means when a predetermined condition is satisfied.
【０００６】請求項２の発明は、請求項１に記載の情報
記憶媒体において、前記情報伝達手段ごとに利用頻度を
計数する利用頻度計数手段（１６）を備え、前記情報伝
達手段切替え手段は、前記利用頻度に応じて、前記情報
伝達手段を切り換えること、を特徴とする情報記憶媒体
である。According to a second aspect of the present invention, in the information storage medium according to the first aspect, there is provided a use frequency counting means (16) for counting a use frequency for each of the information transmitting means, and the information transmitting means switching means comprises: An information storage medium characterized in that the information transmission means is switched according to the use frequency.
【０００７】請求項３の発明は、請求項２に記載の情報
記憶媒体において、前記利用頻度計数手段は、前記情報
伝達手段毎に使用した回数に応じた値を記憶することに
よって、前記利用頻度を計数すること、を特徴とする情
報記憶媒体である。According to a third aspect of the present invention, in the information storage medium according to the second aspect, the use frequency counting means stores a value corresponding to the number of times of use for each of the information transmitting means, thereby obtaining the use frequency. Counting information.
【０００８】請求項４の発明は、請求項２に記載の情報
記憶媒体において、前記利用頻度計数手段は、前記情報
伝達手段毎に使用した履歴を残すことによって、前記利
用頻度を計数すること、を特徴とする情報記憶媒体であ
る。According to a fourth aspect of the present invention, in the information storage medium according to the second aspect, the use frequency counting means counts the use frequency by leaving a history of use for each of the information transmission means. An information storage medium characterized by the following.
【０００９】請求項５の発明は、請求項２に記載の情報
記憶媒体において、前記利用頻度計数手段は、前記情報
伝達手段の利用頻度を、カテゴリ分けして計数するこ
と、を特徴とする情報記憶媒体である。According to a fifth aspect of the present invention, in the information storage medium according to the second aspect, the use frequency counting means counts the use frequency of the information transmission means by categorizing the information. It is a storage medium.
【００１０】請求項６の発明は、請求項５に記載の情報
記憶媒体において、前記利用頻度計数手段は、利用時間
及び／又は利用位置に応じて、カテゴリ分けして計数す
ること、を特徴とする情報記憶媒体である。According to a sixth aspect of the present invention, in the information storage medium according to the fifth aspect, the use frequency counting means counts the data in categories according to a use time and / or a use position. Information storage medium.
【００１１】[0011]
【発明の実施の形態】以下、図面などを参照しながら、
本発明の実施の形態をあげて、さらに詳細に説明する。 （ハード構成）図１は、本発明による情報記憶媒体の実
施形態に示すブロック図である。この実施形態では、情
報記憶媒体をＩＣカード１０とし、また、想定する複数
の情報伝達手段を、非接触式のプロトコルのタイプＡと
タイプＢとした例を挙げて説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG.
An embodiment of the present invention will be described in more detail. (Hardware Configuration) FIG. 1 is a block diagram showing an information storage medium according to an embodiment of the present invention. In this embodiment, an example will be described in which an information storage medium is an IC card 10 and a plurality of assumed information transmitting means are non-contact type protocols A and B.
【００１２】このＩＣカード１０は、ＣＰＵ１１と、Ｅ
ＥＰＲＯＭ等によって構成され、この実施形態では、通
常のデータなどの他に、回数や履歴などに基づく利用頻
度などを記憶する情報記憶領域１２と、非接触式の端子
を備えており、プロトコルのタイプＡ，ＴｙｐｅＢによ
って情報の伝達を行う情報伝達手段１３，１４と、情報
伝達手段１３，１４を所定の条件で切り替える情報伝達
手段切替え手段１５と、情報伝達手段１３，１４の利用
頻度を計数する利用頻度計数手段１６等とを備えてい
る。情報伝達手段切替え手段１５は、図２に示すような
手順で情報伝達手段１３，１４を選択するが、信号受信
時のパリティエラーやフレーミングエラーによって切替
えてもよいし、設定された時間が経過した後に（タイム
アウトした後に）切り換えるようにしてもよい。This IC card 10 includes a CPU 11 and an E
This embodiment is configured by an EPROM or the like. In this embodiment, in addition to normal data and the like, an information storage area 12 for storing a usage frequency based on the number of times, history, and the like, and a non-contact type terminal are provided. A, Type B, information transmitting means 13 and 14 for transmitting information, information transmitting means switching means 15 for switching information transmitting means 13 and 14 under predetermined conditions, and use for counting the frequency of use of information transmitting means 13 and 14 Frequency counting means 16 and the like. The information transmitting means switching means 15 selects the information transmitting means 13 and 14 according to the procedure shown in FIG. 2, but may switch the information transmitting means 13 according to a parity error or a framing error at the time of signal reception, or the set time has elapsed. The switching may be performed later (after timeout).
【００１３】（情報伝達手段の選択手順）図２は、本実
施形態に係る情報記憶媒体の情報伝達手段の切替え動作
を示すフローチャートである。ＩＣカード１０は、前述
したようにタイプＡ，タイプＢのハードウェア及びソフ
トウェアの機能を有しており、外部装置がいずれの情報
伝達手段１３，１４に対応しているかを以下のように検
出する。(Procedure for Selecting Information Transmission Means) FIG. 2 is a flowchart showing the switching operation of the information transmission means of the information storage medium according to this embodiment. The IC card 10 has the functions of the type A and type B hardware and software as described above, and detects which of the information transmitting means 13 and 14 the external device corresponds to as follows. .
【００１４】すなわち、メインルーチンは、図２（ａ）
に示すように、電源供給の開始によって、処理がスター
トし（Ｓ１００）、まず、利用頻度を判定し（Ｓ１０
１）、タイプＡの情報伝達手段１３の頻度が多い場合に
は、Ｓ１０２Ａに進んで信号確認処理を行い、タイプＢ
の情報伝達手段１４の頻度が多い場合には、Ｓ１０２Ｂ
に進んで、信号確認処理を行う。That is, the main routine is executed as shown in FIG.
As shown in (1), the process starts with the start of power supply (S100), and first, the usage frequency is determined (S10).
1) If the frequency of the type A information transmitting means 13 is high, the process proceeds to S102A to perform signal confirmation processing, and the type B
If the frequency of the information transmission means 14 is high,
To perform signal confirmation processing.
【００１５】Ｓ１０２の信号確認処理のサブルーチン
は、図３（ｂ）に示すように、一定の監視時間用のルー
プカウンタの初期化後に（Ｓ１０２１）、受信信号を復
調し（Ｓ１０２２）、何か信号を受信したか否かを判定
し（Ｓ１０２３）、肯定の場合には、Ｓ１０２４へ進
み、正常に復調できたか否かを判定し、肯定の場合に
は、復調に成功したことを示してリターンし（Ｓ１０２
５）、否定の場合には、Ｓ１０２７に進む。As shown in FIG. 3B, the subroutine of the signal confirmation process in S102 is to initialize the loop counter for a constant monitoring time (S1021), demodulate the received signal (S1022), and Is determined (S1023). In the case of affirmative, the flow proceeds to S1024, in which it is determined whether or not demodulation has been normally performed. (S102
5) If negative, proceed to S1027.
【００１６】一方、Ｓ１０２３で否定された（何も信号
が無かった）場合には、一定の監視時間の経過後か否か
を確認する（Ｓ１０２６）。監視時間経過後であれば、
復調に失敗したことを示してリターンし（Ｓ１０２
７）、経過前であれば、Ｓ１０２２に戻る。On the other hand, if the result in S1023 is negative (no signal is found), it is checked whether a predetermined monitoring time has elapsed (S1026). After the monitoring time has elapsed,
It returns indicating that the demodulation has failed (S102
7) If it has not elapsed, the process returns to S1022.
【００１７】図３（ａ）のメインルーチンに戻って、タ
イプＡの情報伝達手段１３によって復調が成功したかを
判断し（Ｓ１０３）、肯定の場合には、利用頻度情報の
更新やアンチコリジョン等の後続処理に進み（Ｓ１０
４）、否定の場合には、Ｓ１０２Ｂに戻る。一方、Ｓ１
０５では、タイプＢの情報伝達手段１４によって復調が
成功したかを判断し、肯定の場合には、利用頻度情報の
更新やアンチコリジョン等の後続処理に進み（Ｓ１０
６）、否定の場合には、Ｓ１０２Ａに戻る。Returning to the main routine of FIG. 3A, it is determined whether the demodulation has been successful by the type A information transmitting means 13 (S103). If the result is affirmative, the use frequency information is updated or anti-collision is performed. (S10)
4) If negative, return to S102B. On the other hand, S1
At 05, it is determined whether the demodulation has been successfully performed by the type B information transmitting means 14. If the determination is affirmative, the process proceeds to subsequent processing such as updating of use frequency information and anti-collision (S10).
6) If negative, return to S102A.
【００１８】以上の処理によって、情報伝達手段１３，
１４が決定するので、情報伝達手段１３，１４の利用頻
度情報の更新や、アンチコリジョン等の後続処理を、そ
れぞれの情報伝達手段１３，１４に合せて実行すること
ができる。By the above processing, the information transmitting means 13,
Since the information transmission means 13 is determined, it is possible to update the use frequency information of the information transmission means 13 and 14 and perform subsequent processing such as anti-collision in accordance with the respective information transmission means 13 and 14.
【００１９】（利用頻度の記憶）次に、各情報伝達手段
１３，１４の利用頻度の記憶について説明する。ここで
は、大別して、情報伝送手段１３，１４毎に利用した回
数をカウントする方法と、履歴を残す方法の２通りにつ
いて説明する。(Storage of Usage Frequency) Next, storage of the usage frequency of each of the information transmitting means 13 and 14 will be described. Here, there are roughly described two methods, a method of counting the number of times of use for each of the information transmission means 13 and 14, and a method of leaving a history.
【００２０】（カウント方式）この方式は、例えば、タ
イプＡが５回、タイプＢが１回のように、カウントす
る。この場合に、情報伝達手段が３種類以上になった場
合も、カウンタの制御方法に変化が無く、汎用性に富ん
でいる。(Counting method) In this method, for example, type A counts five times and type B counts once. In this case, even when there are three or more types of information transmission means, there is no change in the control method of the counter, and the versatility is high.
【００２１】なお、本実施形態のように、情報伝達手段
１３，１４が２種類に限定されている場合には、「タイ
プＡを選択した場合にカウンタを加算する」、「タイプ
Ｂを選択した場合にカウンタを減算する」として、「カ
ウンタの値が０以上であればタイプＡが優先され、逆
に、カウンタが負の値であればタイプＢが優先される」
ようにすることもできる。When the information transmitting means 13 and 14 are limited to two types as in the present embodiment, "the counter is added when type A is selected" and "type B is selected. In this case, the counter is decremented. "If the value of the counter is 0 or more, type A has priority, and conversely, if the counter has a negative value, type B has priority."
You can also do so.
【００２２】（履歴方式）この方式は、履歴バッファを
ＦＩＦＯ形式で制御し、「ＡＡＢＡＢＢＡ」のように記
憶する。例えば、次にＢが選択された場合に、「ＢＡＡ
ＢＡＢＢ」になる。この場合に、履歴の内容を見て過半
数に達したものを優先することになる。なお、情報伝達
手段が３種類以上になった場合も、「ＡＡＡＢＣＣＡ」
のように制御方法に変化がなく、汎用性に富んでいる。(History method) In this method, the history buffer is controlled in a FIFO format and stored as "AAABBA". For example, when B is selected next, “BAA
BABB ". In this case, the history which has reached the majority by looking at the contents of the history is given priority. When three or more types of information transmission means are provided, the "AAABCCA"
There is no change in the control method as in, and it is rich in versatility.
【００２３】また、情報伝達手段１３，１４が２種類に
限定されている場合には、「タイプＡを選択した場合を
０」、「タイプＢを選択した場合を１」として、数ビッ
トのビット列で表現してもよい。この場合に、パリティ
ビットを除いて、１の数が４以上であれば、タイプＡを
優先することになる。図３では、７ビットを履歴とし、
最上位ビット（ｂ７）を偶数パリティピットとした例を
示している。When the information transmitting means 13 and 14 are limited to two types, a bit string of several bits is defined as "0 when type A is selected" and "1 when type B is selected". May be expressed as In this case, if the number of 1s is 4 or more, excluding the parity bit, the type A has priority. In FIG. 3, the history is 7 bits,
An example in which the most significant bit (b7) is an even parity pit is shown.
【００２４】（運用方法）図４は、本実施形態に係る情
報記憶媒体の運用方法を示す図である。本実施形態の情
報記憶媒体１０は、上述したように、いずれの情報伝達
手段１３，１４を使用したかの履歴を残すことができ
る。さらに、これらを利用時間帯等のカテゴリ別に履歴
を持ち、カード所有者の日常生活に合せて、優先順位を
変更させることも可能になる。(Operation Method) FIG. 4 is a diagram showing an operation method of the information storage medium according to the present embodiment. As described above, the information storage medium 10 of the present embodiment can keep a history of which of the information transmitting means 13 and 14 has been used. In addition, it is also possible to have a history of these for each category such as a use time zone and change the priority according to the daily life of the card holder.
【００２５】例えば、つぎのような運用をすることがで
きる。７：００〜１１：３０、１１：３０〜１４：
３０、１４：３０〜１８：３０、１８：３０〜７：
００ （翌朝）の４つのカテゴリに分けた社員証を考える。カ
テゴリとカテゴリは、出社及び退社の時間帯であ
り、正面玄関のゲート３１の情報伝達手段が優先され
る。カテゴリは、食堂の入り口３２の情報伝達手段が
優先される。カテゴリは、通常の労働時間以外である
ために、裏口３３の情報伝達手段が優先される（正面玄
関は、定時以外は閉鎖している）。For example, the following operation can be performed. 7:00 to 11:30, 11:30 to 14:
30, 14:30 to 18:30, 18:30 to 7:
Consider an employee card divided into four categories of 00 (the next morning). The category and the category are time zones for entering and leaving the office, and the information transmission means of the gate 31 at the front entrance has priority. As for the category, the information transmission means at the entrance 32 of the cafeteria has priority. Since the category is other than normal working hours, the information transmission means of the back door 33 is prioritized (the front entrance is closed except at regular times).
【００２６】図５は、本実施形態に係る情報記憶媒体の
他の運用方法を示す図である。図４の運用方法は、時間
によるカテゴリ分けをしたものであるが、図５の運用方
式は、カード所有者の現在位置によるカテゴリ分けをし
たものである。つまり、カード所有者の行動範囲に適し
た優先順位が付けられることになる。FIG. 5 is a diagram showing another method of operating the information storage medium according to the present embodiment. The operation method in FIG. 4 is based on time-based classification, whereas the operation method in FIG. 5 is based on the current position of the cardholder. In other words, a priority order suitable for the activity range of the cardholder is assigned.
【００２７】図５の例では、ゲート４１を通過した時点
で、カテゴリＡの領域に入ったことが分かるために、ゲ
ート４２では、カテゴリＡの利用頻度情報を優先する。
逆に、ゲート４３を通過した場合は、カテゴリＢの領域
に入ったことが分かるために、ゲート４４では、カテゴ
リＢの利用頻度情報を優先する。In the example shown in FIG. 5, the gate 42 gives priority to the use frequency information of the category A because it is known that the user has entered the area of the category A when passing through the gate 41.
Conversely, when the vehicle passes through the gate 43, it is known that the vehicle has entered the category B area. Therefore, the gate 44 gives priority to the use frequency information of the category B.
【００２８】この利用頻度情報は、図２のフローチャー
ト（情報伝達手段の選択手順）で示したように、情報伝
達手段を決定した後に更新する（Ｓ１０４，１０６）。
このときに、どの利用頻度情報を参照するかは、外部装
置から明示的に指定（時間情報をＩＣカードに送るな
ど）してもよいし、外部装置の識別番号を認識（食堂の
外部装置であることを認識するなど）して、参照するカ
テゴリを切替えてもよい。The use frequency information is updated after the information transmission means is determined, as shown in the flowchart of FIG. 2 (selection procedure of information transmission means) (S104, 106).
At this time, which use frequency information is to be referred to may be explicitly designated from an external device (such as sending time information to an IC card), or the identification number of the external device may be recognized (for example, the external device in the cafeteria). For example, the category to be referred to may be switched.
【００２９】（変形形態）以上説明した実施形態に限定
されることなく、種々の変形や変更が可能であって、そ
れも本発明の均等の範囲内である。例えば、異なる情報
伝達方式は、非接触式同士で、通信プロトコルが異なる
例で説明したが、接触式同士、又は、接触式と非接触式
が混在している場合であっても同様に適用できる。ま
た、情報伝達手段は、３種類以上であってもよい。(Modifications) Various modifications and changes are possible without being limited to the embodiment described above, and these are also within the equivalent scope of the present invention. For example, the different information transmission methods have been described in the examples in which the communication protocols are different between the non-contact types, but the same can be applied even when the contact types are mixed or the contact type and the non-contact type are mixed. . Further, three or more types of information transmission means may be used.
【００３０】[0030]
【発明の効果】以上詳しく説明したように、本発明によ
れば、異なる情報伝達方式の情報伝達手段を備える外部
装置が混在する環境下で、情報記憶媒体が自動的に情報
伝達手段を判別し、交信を継続する。このために、情報
記憶媒体と外部装置との交信のために、外部装置の選択
に制限を受けない。As described above in detail, according to the present invention, in an environment where external devices having information transmission means of different information transmission methods coexist, the information storage medium automatically determines the information transmission means. Continue communication. For this reason, the selection of the external device is not restricted for the communication between the information storage medium and the external device.
【００３１】また、情報伝達手段毎に利用した頻度を記
憶しているので、よく利用する情報伝達手段を優先的に
選択させることができる。従って、選択に必要な時間を
短縮させることができる、という効果がある。Since the frequency of use is stored for each information transmitting means, the frequently used information transmitting means can be preferentially selected. Therefore, there is an effect that the time required for selection can be reduced.
【図１】本発明による情報記憶媒体の実施形態に示すブ
ロック図である。FIG. 1 is a block diagram showing an embodiment of an information storage medium according to the present invention.
【図２】本実施形態に係る情報記憶媒体の情報伝達手段
の切替え動作を示すフローチャートである。FIG. 2 is a flowchart illustrating a switching operation of an information transmission unit of the information storage medium according to the embodiment.
【図３】本実施形態に係る情報記憶媒体の利用頻度の記
憶の例（７ビットを履歴とし、最上位ビット（ｂ７）を
偶数パリティビットとした例）を示す図である。FIG. 3 is a diagram illustrating an example of storage of the use frequency of the information storage medium according to the embodiment (an example in which 7 bits are used as a history and the most significant bit (b7) is used as an even parity bit).
【図４】本実施形態に係る情報記憶媒体の運用方法を示
す図である。FIG. 4 is a diagram showing a method of operating the information storage medium according to the embodiment.
【図５】本実施形態に係る情報記憶媒体の他の運用方法
を示す図である。FIG. 5 is a diagram showing another operation method of the information storage medium according to the embodiment.
１０ ＩＣカード １１ ＣＰＵ １２ 情報記憶領域 １３，１４ 情報伝達手段 １５ 情報伝達手段切替え手段 １６ 利用頻度計数手段 DESCRIPTION OF SYMBOLS 10 IC card 11 CPU 12 Information storage area 13, 14 Information transmission means 15 Information transmission means switching means 16 Usage frequency counting means
───────────────────────────────────────────────────── フロントページの続き (72)発明者 平野 晋健 東京都新宿区市谷加賀町一丁目１番１号 大日本印刷株式会社内 Ｆターム(参考） 5B035 AA01 AA02 BB09 BC03 CA23 CA25 CA29 CA32 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Shinken Hirano 1-1-1 Ichigaya-Kaga-cho, Shinjuku-ku, Tokyo F-term in Dai Nippon Printing Co., Ltd. 5B035 AA01 AA02 BB09 BC03 CA23 CA25 CA29 CA32
Claims (6)
種類の情報伝達手段と、 定期的に及び／又は所定の条件を満たしたときに、前記
情報伝達手段をいずれかに切り替える情報伝達手段切替
え手段と、を備えた情報記憶媒体。A plurality of types of information transmitting means for transmitting information to and from an external device; and an information transmitting means for switching the information transmitting means to one of the information transmitting means periodically and / or when a predetermined condition is satisfied. An information storage medium comprising: means switching means.
て、 前記情報伝達手段ごとに利用頻度を計数する利用頻度計
数手段を備え、 前記情報伝達手段切替え手段は、前記利用頻度に応じ
て、前記情報伝達手段を切り換えること、を特徴とする
情報記憶媒体。2. The information storage medium according to claim 1, further comprising usage frequency counting means for counting a usage frequency for each of said information transmission means, wherein said information transmission means switching means, An information storage medium characterized by switching information transmission means.
て、 前記利用頻度計数手段は、前記情報伝達手段毎に使用し
た回数に応じた値を記憶することによって、前記利用頻
度を計数すること、を特徴とする情報記憶媒体。3. The information storage medium according to claim 2, wherein the usage frequency counting unit counts the usage frequency by storing a value corresponding to the number of times of use for each information transmission unit. An information storage medium characterized by the following.
て、 前記利用頻度計数手段は、前記情報伝達手段毎に使用し
た履歴を残すことによって、前記利用頻度を計数するこ
と、を特徴とする情報記憶媒体。4. The information storage medium according to claim 2, wherein the use frequency counting unit counts the use frequency by leaving a history of use for each of the information transmission units. Storage medium.
て、 前記利用頻度計数手段は、前記情報伝達手段の利用頻度
を、カテゴリ分けして計数すること、を特徴とする情報
記憶媒体。5. The information storage medium according to claim 2, wherein the usage frequency counting unit counts the usage frequency of the information transmission unit by category.
て、 前記利用頻度計数手段は、利用時間及び／又は利用位置
に応じて、カテゴリ分けして計数すること、を特徴とす
る情報記憶媒体。6. The information storage medium according to claim 5, wherein the use frequency counting means counts the data according to categories according to a use time and / or a use position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10338634A JP2000163538A (en) | 1998-11-30 | 1998-11-30 | Information storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10338634A JP2000163538A (en) | 1998-11-30 | 1998-11-30 | Information storage medium |
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| Publication Number | Publication Date |
|---|---|
| JP2000163538A true JP2000163538A (en) | 2000-06-16 |
Family
ID=18320031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10338634A Pending JP2000163538A (en) | 1998-11-30 | 1998-11-30 | Information storage medium |
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