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JP2556898B2 - Non-contact ID device - Google Patents
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JP2556898B2 - Non-contact ID device - Google Patents

Non-contact ID device

Info

Publication number
JP2556898B2
JP2556898B2 JP1059966A JP5996689A JP2556898B2 JP 2556898 B2 JP2556898 B2 JP 2556898B2 JP 1059966 A JP1059966 A JP 1059966A JP 5996689 A JP5996689 A JP 5996689A JP 2556898 B2 JP2556898 B2 JP 2556898B2
Authority
JP
Japan
Prior art keywords
signal
code
transmitter
person
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.)
Expired - Fee Related
Application number
JP1059966A
Other languages
Japanese (ja)
Other versions
JPH02238590A (en
Inventor
正 大森
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1059966A priority Critical patent/JP2556898B2/en
Publication of JPH02238590A publication Critical patent/JPH02238590A/en
Application granted granted Critical
Publication of JP2556898B2 publication Critical patent/JP2556898B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/34Footwear characterised by the shape or the use with electrical or electronic arrangements
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/34Footwear characterised by the shape or the use with electrical or electronic arrangements
    • A43B3/48Footwear characterised by the shape or the use with electrical or electronic arrangements with transmitting devices, e.g. GSM or Wi-Fi®

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lock And Its Accessories (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、ビルの入室管理システムにおける非接触
ID装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention is a non-contact type in a building entrance management system.
It relates to the ID device.

〔従来の技術〕[Conventional technology]

従来の非接触ID装置は、識別対象者が所持するIDカー
ドに送信部を内蔵させ、入室の際は、そのIDカードを入
口ドア壁部に設置した受信部にかざすことによりIDコー
ドの有効性を判別し、ドアの解錠等の処理を行なってい
る。
In conventional contactless ID devices, the ID card carried by the person to be identified has a built-in transmitter, and when entering the room, hold the ID card over the receiver installed on the entrance door wall to validate the ID code. And the door is unlocked.

〔発明が解決しようとする課題〕[Problems to be Solved by the Invention]

上記のような従来の非接触ID装置では、複数の識別対
象者が入室しようとして複数のIDカードから送信される
と、それらの信号が混信し、1枚毎の判別が困難である
という課題がある。
In the conventional non-contact ID device as described above, when a plurality of identification target persons try to enter the room and are transmitted from a plurality of ID cards, the signals interfere with each other, which makes it difficult to discriminate one by one. is there.

これを解決するためには、送受信範囲を狭く制限する
ことが考えられるが、この方法は、カードの受信部に対
する位置をうまく合わせる必要があり、識別対象者の操
作が困難になるという課題がある。
In order to solve this, it is conceivable to limit the transmission / reception range narrowly, but this method has a problem that the position of the card with respect to the receiving unit needs to be properly adjusted, which makes it difficult for the identification target person to operate. .

この発明は、かかる課題を解決するためになされたも
ので、複数の識別対象者が入室しようとした場合でも、
良好な送受信状態を容易に得ることができ、また特に意
識しなくても送信部を所持することができ、カード忘れ
や紛失のおそれがない非接触ID装置を得ることを目的と
する。
This invention has been made to solve such a problem, and even when a plurality of identification target people try to enter the room,
An object of the present invention is to obtain a non-contact ID device that can easily obtain a good transmission / reception state, can carry a transmission unit without being particularly conscious of it, and has no risk of forgetting or losing a card.

〔課題を解決するための手段〕[Means for solving the problem]

この発明に係る非接触ID装置は、識別対象者のはき物
の底部に着脱自在に組み込まれ、 前記識別対象者毎に各別のIDコードが記憶されている
記憶手段と、前記IDコードをその2進数に応じた幅の第
1パルス信号に符号化する符号化手段と、前記第1パル
ス信号に振幅変調を施し、所定の高周波信号を搬送波と
した送信用の振幅変調信号を生成する発信変調回路と、
前記振幅変調信号を送信する送信器と、外部よりの起動
信号に基づいてオン動作し、内蔵された電源の出力を前
記記憶手段、前記符号化手段、前記発信変調回路、前記
送信器に供給する電源起動手段とにより構成される送信
部と、 床下面に設けられ、 前記識別対象者が床面上に差し掛かった際に、前記電
源起動手段に起動信号を送信する起動信号送信手段と、
前記起動信号により起動した送信器からの前記振幅変調
信号を受信する受信器と、前記振幅変調信号を前記IDコ
ードの2進数に応じた幅をもつ第2パルス信号に復調す
る受信復調手段と、前記第2パルス信号の幅に応じたID
コードの2進数を復号する復号化手段と、前記2進数に
よるIDコードを受信してIDコードの有効性を判別する判
別手段と、この有効判別結果を出力する出力手段とによ
り構成される受信部とをそれぞれ設けるようにしたもの
である。
The non-contact ID device according to the present invention is detachably incorporated in the bottom of the footwear of the person to be identified, and storage means for storing a different ID code for each person to be identified; Encoding means for encoding a first pulse signal having a width corresponding to a base number, and an oscillation modulation circuit for performing amplitude modulation on the first pulse signal and generating an amplitude modulation signal for transmission using a predetermined high frequency signal as a carrier. When,
A transmitter that transmits the amplitude-modulated signal and an on-operation based on a start signal from the outside, and supplies an output of a built-in power source to the storage unit, the encoding unit, the oscillation modulation circuit, and the transmitter. A transmission unit configured by a power source activation unit, a activation signal transmission unit provided on the lower surface of the floor, and transmitting an activation signal to the power source activation unit when the identification target person approaches the floor surface,
A receiver for receiving the amplitude modulation signal from the transmitter activated by the activation signal; reception demodulation means for demodulating the amplitude modulation signal into a second pulse signal having a width corresponding to the binary number of the ID code; ID corresponding to the width of the second pulse signal
A receiving unit including a decoding unit for decoding the binary number of the code, a determination unit for receiving the ID code in the binary number and determining the validity of the ID code, and an output unit for outputting the result of the determination. And are provided respectively.

〔作用〕 この発明においては、識別対象者のはき物の底部に組
込まれた送信手段と、床面下に設けられた判別手段との
間で送受信が行なわれる。このため、送受信範囲が自然
に入口付近の空間に制限でき、識別対象者が入口に立つ
だけで送信側と受信側とが近接した状態となり、良好な
送受信状態を容易に作ることが可能となる。更に、送信
部が履物の底部に着脱自在に組み込まれているため、ID
コードの変更及び電池の交換等のメンテナンスが容易に
なると共に、ID判別時のみに送信手段に対して電源電圧
を供給するため電池の長寿命化が図れる。
[Operation] In the present invention, transmission / reception is performed between the transmission means incorporated in the bottom of the footwear of the person to be identified and the discrimination means provided under the floor. For this reason, the transmission / reception range can be naturally limited to the space near the entrance, and the identification target person can stand close to the transmission side and the reception side only at the entrance, and a good transmission / reception state can be easily created. . In addition, the transmitter is removably incorporated into the bottom of the footwear, so the ID
Maintenance such as code change and battery replacement is facilitated, and since the power supply voltage is supplied to the transmitting means only when the ID is determined, the battery life can be extended.

〔実施例〕〔Example〕

第1図〜第3図は、この発明の一実施例を示すもの
で、図中、(1)は識別対象者の靴(2)のかかと
(3)内に組込まれた送信部で、送信部回路(4)と送
信コイル(5)と受信コイル(6)とで構成されてい
る。上記送信部回路(4)は、第1図に示すように、発
振変調回路(7)、符号化回路(8)、IDコードROM
(9)、受信回路(10)、アナログスイッチ(11)、お
よびリチューム電池等の電源(12)から構成されてい
る。(13)は入口の床板(14)の下面側に配された受信
部で、受信部回路(15)と送信コイル(16)と受信コイ
ル(17)とで構成され、上記受信部回路(15)は、電源
線および有効判定出力接点信号線等のケーブル(18)を
介してジャンクションボックス(19)に接続されてい
る。また上記受信部回路(15)は、第1図に示すよう
に、発振回路(20)、受信・復調回路(21)、復号化回
路(22)、比較回路(23)、有効判定出力接点(24)、
有効IDコードメモリ(25)、および検索回路(26)から
構成されている。
FIGS. 1 to 3 show an embodiment of the present invention, in which (1) is a transmitter incorporated in the heel (3) of the shoe (2) of the person to be identified. It is composed of a partial circuit (4), a transmitting coil (5) and a receiving coil (6). As shown in FIG. 1, the transmitter circuit (4) includes an oscillation modulation circuit (7), an encoding circuit (8), and an ID code ROM.
(9), a receiving circuit (10), an analog switch (11), and a power source (12) such as a lithium battery. (13) is a receiver arranged on the lower surface side of the floor plate (14) at the entrance, and is composed of a receiver circuit (15), a transmitter coil (16) and a receiver coil (17). ) Is connected to the junction box (19) via a cable (18) such as a power supply line and a validity determination output contact signal line. Further, as shown in FIG. 1, the receiver circuit (15) includes an oscillation circuit (20), a reception / demodulation circuit (21), a decoding circuit (22), a comparison circuit (23), and a validity determination output contact ( twenty four),
It is composed of a valid ID code memory (25) and a search circuit (26).

上記のように構成された非接触ID装置においては、受
信部(13)の発振回路(20)で、特定の周波数f1の高周
波信号を発振させ、送信コイル(16)より起動信号(2
7)として送出しておく。
In the contactless ID device configured as described above, the oscillation circuit (20) of the receiver (13) oscillates a high frequency signal of a specific frequency f 1 and the start signal (2
It is sent as 7).

この状態で、識別対象者が送信部(1)を内蔵した靴
(2)をはき、受信部(13)を内蔵した床板(14)上に
立つと、起動信号(27)が受信コイル(6)で受信さ
れ、受信回路(10)により電源ON信号(28)が生成さ
れ、アナログスイッチ(11)がONとなる。これにより、
電源(12)からの電力が、送信部回路(4)の各回路
(7),(8),(9)に供給されて起動する。なお、
起動信号(27)を受信するまでは、受信回路(10)以外
の送信部回路(7),(8),(9)には電力が供給さ
れず、OFFとなっている。したがって、電源(12)の延
命を図ることができる。
In this state, when the person to be identified puts on the shoes (2) having the transmitter (1) built therein and stands on the floor plate (14) having the receiver (13) built therein, the activation signal (27) causes the reception coil (27) to The signal is received by 6), the power ON signal (28) is generated by the receiving circuit (10), and the analog switch (11) is turned ON. This allows
The power from the power source (12) is supplied to each circuit (7), (8), (9) of the transmitter circuit (4) to be activated. In addition,
Until the start signal (27) is received, power is not supplied to the transmitter circuits (7), (8), (9) other than the receiver circuit (10), and the transmitter circuits (7), (8), (9) are off. Therefore, the life of the power source (12) can be extended.

送信部(1)が起動すると、IDコードROM(9)に記
憶されている識別対象者特有の2進数のコードが符号化
回路(8)に送出される。符号化回路(8)は、このコ
ードを“1",“0"に応じた幅のパルス信号に符号化し、
発振変調回路(7)に送出する。発振変調回路(7)
は、特定の周波数f2の高周波信号を搬送波としパルスの
有無に応じた振幅変調を施した信号を生成し、送信コイ
ル(5)を介し、IDコード信号(29)として送信する。
When the transmitter (1) is activated, a binary code peculiar to the identification target person stored in the ID code ROM (9) is sent to the encoding circuit (8). The encoding circuit (8) encodes this code into a pulse signal having a width corresponding to "1", "0",
It is sent to the oscillation modulation circuit (7). Oscillation modulator circuit (7)
Generates a signal whose amplitude is modulated according to the presence / absence of a pulse using a high frequency signal of a specific frequency f 2 as a carrier wave, and transmits it as an ID code signal (29) via the transmission coil (5).

IDコード信号(29)は、受信部(13)の受信コイル
(17)で受信され、受信・復調回路(21)によりIDコー
ドに応じた幅をもつパルス信号に変換され、復号化回路
(22)に送出される。復号化回路(22)は、パルス幅に
応じた“1",“0"信号を生成し、比較回路(23)のa入
力に入力する。
The ID code signal (29) is received by the receiving coil (17) of the receiving section (13), converted into a pulse signal having a width corresponding to the ID code by the receiving / demodulating circuit (21), and then the decoding circuit (22). ) Is sent to. The decoding circuit (22) generates "1" and "0" signals according to the pulse width, and inputs them to the a input of the comparison circuit (23).

ここで、検索回路(26)が起動し、有効IDコードメモ
リ(25)より有効なIDコードが比較回路(23)のb入力
に入力される。比較回路(23)は、a,b両入力から入力
されたIDコードを比較し、両者が一致した際に一致信号
(30)を出力する。この一致信号(30)により有効判定
出力接点(24)が閉じ、例えばドアの電気錠を解錠させ
る。
At this time, the search circuit (26) is activated, and the valid ID code is input from the valid ID code memory (25) to the input b of the comparison circuit (23). A comparison circuit (23) compares the ID codes input from both the a and b inputs, and outputs a match signal (30) when both match. The coincidence signal (30) closes the validity determination output contact (24) and unlocks the electric lock of the door, for example.

しかして、送信部(1)と受信部(13)とを極めて接
近させることができるため、感度を下げることができ、
他との干渉を避けることができる。また送信部(1)が
識別対象者の靴(2)に組込まれているので、カード忘
れや紛失のおそれがない。
Then, since the transmitter (1) and the receiver (13) can be extremely close to each other, the sensitivity can be lowered,
Interference with others can be avoided. Further, since the transmitter (1) is incorporated in the shoes (2) of the person to be identified, there is no risk of forgetting or losing the card.

なお、上記実施例では、高周波の電磁波によりIDコー
ド信号を伝送する場合を示したが、超音波を用いるよう
にしてもよい。また、変復調の方式として、振幅変調に
代えて周波数変調や位相変調を用いるようにしてもよ
い。また符号化の方式として、パルス幅の代わりにパル
ス数、パルス周波数、パルス位相を用いてもよい。ま
た、有効判定信号は、接点信号の代わりに各種のデータ
伝送信号としてもよい。また、有効IDメモリとしてRAM
を用い、データ伝送信号により有効IDを随時書換えるよ
うにしてもよい。
In the above embodiment, the case where the ID code signal is transmitted by a high frequency electromagnetic wave has been shown, but an ultrasonic wave may be used. Further, as the modulation / demodulation method, frequency modulation or phase modulation may be used instead of amplitude modulation. As the encoding method, the number of pulses, pulse frequency, and pulse phase may be used instead of the pulse width. Further, the validity determination signal may be various data transmission signals instead of the contact signal. Also, RAM as an effective ID memory
, The valid ID may be rewritten at any time by the data transmission signal.

また、上記実施例では、電源(12)としてリチューム
電池を用いる場合を示したが、所望する寿命に応じてNi
Cd電池やマンガン電池を用いてもよい。また、識別対象
者の靴(2)のかかと(3)を着脱可能な構造とし、必
要に応じて送信部(1)を交換できるようにしてもよ
い。また受信部(13)は、床板(14)の下面に設ける代
わりに、マットやカーペットに内蔵させるようにしても
よい。
In the above embodiment, although the case of using a Lithium battery as the power source (12), according to the desired service life N i
It may be used C d batteries and manganese batteries. Further, the heel (3) of the shoes (2) of the person to be identified may have a detachable structure so that the transmitter (1) can be exchanged if necessary. Further, the receiving unit (13) may be built in a mat or carpet instead of being provided on the lower surface of the floor plate (14).

〔発明の効果〕〔The invention's effect〕

この発明は以上説明したとおり、送信手段を識別対象
者のはき物の底部に組込み、床面下に設けた判別手段と
の間で送受信を行なうようにしているので、送受信範囲
が自然に入口付近の空間に制限でき、識別対象者が入口
に立つだけで送信側と受信側とが近接した状態となり、
混信のない良好な送受信状態を容易に作ることができ
る。また、カードの忘れや紛失のおそれもない。更に、
送信部が履物の底部に着脱自在に組み込まれているた
め、IDコードの変更及び電池の交換等のメンテナンスが
容易になると共に、ID判別時のみに送信手段に対して電
源電圧を供給するため電池の長寿命化が図れる。更に、
また、IDコードを表す2進数のパルス幅に応じたパルス
列信号を、高周波信号で振幅変調してIDコードの送受信
を行うことで、搬送波となる高周波信号の周波数の設定
によっては雑音に対して非常に強い通信が行えるため、
電波環境が劣悪な工場などにおいてもコード誤りを極力
低減し、ID判別動作の信頼性が向上するという効果があ
る。
As described above, according to the present invention, the transmitting means is incorporated in the bottom of the footwear of the person to be identified, and the transmitting / receiving is performed with the discriminating means provided under the floor surface. It can be limited to the space, and the sender and the receiver will be close to each other just by the identification target person standing at the entrance,
A good transmission / reception state without interference can be easily created. In addition, there is no risk of forgetting or losing the card. Furthermore,
Since the transmitter is removably incorporated in the bottom of the footwear, maintenance such as changing the ID code and replacing the battery is easy, and the power supply voltage is supplied to the transmitting means only when the ID is determined. Can have a long life. Furthermore,
In addition, a pulse train signal corresponding to the binary pulse width representing the ID code is amplitude-modulated with a high-frequency signal to transmit and receive the ID code. Because strong communication is possible,
Even in factories where the radio wave environment is poor, code errors are reduced as much as possible, and the reliability of the ID discrimination operation is improved.

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

第1図はこの発明の一実施例を示す非接触ID装置のブロ
ック図、第2図は送信部の実装状態を示す説明図、第3
図は受信部の実装状態を示す説明図である。 (1)……送信部、 (2)……靴、 (3)……かかと、 (4)……送信部回路、 (5),(16)……送信コイル、 (6),(17)……受信コイル、 (13)……受信部、 (14)……床板、 (15)……受信部回路、 (19)……ジャンクションボックス、 (24)……有効判定出力接点、 (29)……IDコード信号。 なお、各図中、同一符号は同一又は相当部分を示すもの
とする。
FIG. 1 is a block diagram of a non-contact ID device showing an embodiment of the present invention, FIG. 2 is an explanatory diagram showing a mounting state of a transmitter, and FIG.
The figure is an explanatory view showing the mounting state of the receiving unit. (1) ... Transmitting part, (2) ... shoes, (3) ... heel, (4) ... transmitting part circuit, (5), (16) ... transmitting coil, (6), (17) …… Reception coil, (13) …… Reception part, (14) …… Floor board, (15) …… Reception part circuit, (19) …… Junction box, (24) …… Effective judgment output contact, (29) …… ID code signal. In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】識別対象者のはき物の底部に着脱自在に組
み込まれ、 前記識別対象者毎に各別のIDコードが記憶されている記
憶手段と、 前記IDコードをその2進数に応じた幅の第1パルス信号
に符号化する符号化手段と、 前記第1パルス信号に振幅変調を施し、所定の高周波信
号を搬送波とした送信用の振幅変調信号を生成する発信
変調回路と、 前記振幅変調信号を送信する送信器と、 外部よりの起動信号に基づいてオン動作し、内蔵された
電源の出力を前記記憶手段、前記符号化手段、前記発信
変調回路、前記送信器に供給する電源起動手段と、 により構成される送信部と、 床下面に設けられ、 前記識別対象者が床面上に差し掛かった際に、前記電源
起動手段に起動信号を送信する起動信号送信手段と、 前記起動信号により起動した送信器からの前記振幅変調
信号を受信する受信器と、 前記振幅変調信号を前記IDコードの2進数に応じた幅を
もつ第2パルス信号に復調する受信復調手段と、 前記第2パルス信号の幅に応じたIDコードの2進数を復
号する復号化手段と、 前記2進数によるIDコードを受信してIDコードの有効性
を判別する判別手段と、 この有効判別結果を出力する出力手段と、 により構成される受信部と、 を具備することを特徴とする非接触ID装置。
1. A storage unit that is detachably incorporated into the footwear of the person to be identified and stores a different ID code for each person to be identified, and a width corresponding to the binary number of the ID code. Encoding means for encoding the first pulse signal, an oscillation modulation circuit for performing amplitude modulation on the first pulse signal, and generating an amplitude modulation signal for transmission using a predetermined high frequency signal as a carrier; A transmitter for transmitting a signal, and an on-operation based on a start signal from the outside to supply an output of a built-in power source to the storage means, the encoding means, the oscillation modulation circuit, and the transmitter. And a start signal transmission unit that is provided on the lower surface of the floor and that transmits a start signal to the power supply start unit when the person to be identified approaches the floor surface. Triggered transmission A receiver for receiving the amplitude modulated signal from the transmitter, a reception demodulation means for demodulating the amplitude modulated signal into a second pulse signal having a width corresponding to the binary number of the ID code, and a width of the second pulse signal Decoding means for decoding the binary number of the ID code according to the above, determination means for determining the validity of the ID code by receiving the ID code in the binary number, and output means for outputting the result of this determination. A non-contact ID device comprising: a configured receiving unit.
JP1059966A 1989-03-13 1989-03-13 Non-contact ID device Expired - Fee Related JP2556898B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1059966A JP2556898B2 (en) 1989-03-13 1989-03-13 Non-contact ID device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1059966A JP2556898B2 (en) 1989-03-13 1989-03-13 Non-contact ID device

Publications (2)

Publication Number Publication Date
JPH02238590A JPH02238590A (en) 1990-09-20
JP2556898B2 true JP2556898B2 (en) 1996-11-27

Family

ID=13128421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1059966A Expired - Fee Related JP2556898B2 (en) 1989-03-13 1989-03-13 Non-contact ID device

Country Status (1)

Country Link
JP (1) JP2556898B2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63298085A (en) * 1987-05-28 1988-12-05 Matsushita Electric Works Ltd Identification system for moving body
JPH02161561A (en) * 1988-12-14 1990-06-21 Hitachi Maxell Ltd Information processing system

Also Published As

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JPH02238590A (en) 1990-09-20

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