JPH0470468B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a traffic control device that allows individual identification (hereinafter referred to as ID) of passersby in a plurality of areas to open doors. .

[Conventional technology]

Entrances and exits of computing centers, financial institutions, nuclear power plants, and specific areas that require special monitoring are often equipped with traffic control devices that check passersby's suitability for passage, that is, take IDs and open and close the doors.

In order to obtain this ID, in addition to the well-known number input methods such as ID cards and tech keys, there is a recent tendency to use data obtained by reading physical characteristics such as fingerprints, voiceprints, handprints, and footprints. .

Automatically ID using physical characteristics in this way
For example, as a device for removing
There is a company's fingerprint recognition machine. This fingerprint discriminator discriminates whether the fingerprint of one finger matches a pre-registered fingerprint and has relatively high identification accuracy.

Therefore, if a specific area is divided into an important area and a most important area, if the above-mentioned fingerprint recognition machine is installed at the entrance and exit of each of these areas,
It is possible to control traffic using data that is less unmistakable among physical characteristics.

[Problem that the invention seeks to solve]

In a traffic control device that uses a fingerprint discriminator as described above to control the opening and closing of doors in multiple areas, the fingerprint discriminator itself is configured to discriminate one specific finger, so it is difficult to distinguish between important areas. This resulted in a problem in that the area could be passed through without distinguishing between the area and the most important area, and the accuracy of discrimination when viewed from the most important area was substantially reduced.

This invention was made to solve this problem, and aims to provide a traffic control device that can ensure high discrimination accuracy for all areas even when IDs are taken based on physical characteristics.

[Means for solving problems]

The traffic control device according to the present invention is provided with feature reading means for reading body features and obtaining feature data at the entrances and exits of a plurality of areas, and for example,
A monitoring center, etc. is provided with a storage means that stores characteristic data of a plurality of body parts for each passerby, and is also provided with a selection means for retrieving different characteristic data from the storage means depending on the area where the passerby enters and exits. The doors of each area are opened and closed by a coincidence detection means for detecting coincidence between the characteristic data extracted by the selection means and the characteristic data obtained by the characteristic reading means.

[Effect]

In this invention, the selection means extracts characteristic data that differ depending on the area from the storage means, so that the characteristic data of different parts of the body are detected to match each other in a plurality of areas where traffic control is performed. The feature reading means reads the corresponding body part, for example, placing an "index finger" in an important area and a "middle finger" in the most important area on a fingerprint reader, and identifying the fingerprint reader. The door is opened based on the discrimination result to ensure discrimination accuracy.

〔Example〕

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of the area to which this device is applied. In each of these figures, it is assumed that within an important area A that requires traffic control, there is a most important area B that requires stricter traffic control, and that a monitoring center C is located within this most important area B. The traffic control device includes an entrance/exit device 11 provided near the first door 1a of the important area A, another entrance/exit device 12 provided near the second door 1b of the most important area B, and a monitoring system. A monitoring center side device 20 provided at the center C is provided.

Among these, the entrance/exit device 11 includes a number generator 1 that outputs the door number of the first door 1a, a gate 2 provided in the output circuit of this number generator, a card reader 3 that reads an ID card, and an important The ID code memory 4, which stores the ID codes of everyone passing through area A, is compared with the ID code from the card reader 3 and the ID code in the ID code memory 4, and when the two match, a significant signal "H" is generated. a fingerprint reader 6 that reads the fingerprint and sends out a video signal, and extracts characteristic patterns from the fingerprint flow based on the video signal of the fingerprint reader and extracts data. The feature pattern extracting device 7 that outputs the converted data compares the feature pattern of this feature pattern extracting device with the feature pattern data sent from the monitoring center side device, and when the two match, a signal of "H" level, which is a significant signal, is output. An AND circuit 9 outputs an electric lock unlocking command OPEN for the door 1a by logically ANDing the significant signals of the coincidence detector 8 and the coincidence detectors 5 and 8, and an AND circuit 9 outputs an electric lock unlocking command OPEN for the door 1a. The vehicle is constructed with a passable indicator 10 that indicates that the vehicle is allowed to pass when the vehicle is cleared. Note that the entrance/exit device 12 provided near the door 1b of the most important area B has substantially the same configuration as this, so the internal configuration is omitted in FIG.

Next, when the monitoring center side device 20 inputs the door number of the number generator 1 of the entrance side device 11,
A decoder 21 outputs "H" level signals from different output terminals depending on when a door number is input to a number generator (not shown) of the entrance/exit device 12.
and enter this into the ID code of card reader 3.
A decoder 22 that converts and outputs a corresponding address such as an ID code, gates 23 and 24 that pass the address of this decoder in response to the output of the decoder 21, and a person who is permitted to pass through the important area A. Features read from the feature pattern memory 25 which stores everyone's "index finger" feature pattern, the feature pattern memory 26 which also stores "middle finger" feature patterns, and the two feature pattern memories 25 and 26. It is composed of an adder 27 that outputs the pattern by calculating the logical sum.

The operation of this embodiment will be explained below.

First, assuming that the first door 1a and the second door 1b are not used frequently and people do not pass through them at the same time, when an ID card is inserted into the card reader 3 of the first door 1a, the match detector 5 detects the ID card. When the contents of the ID code memory 4 are compared with the contents of the ID code memory 4, and the two match, a "H" level signal is output, and the AND circuit 9
In addition to being added as one input to gate 2, it is also added to gate 2. When gate 2 is opened here, the door number of the first door is added to decoder 21, and this decoder 21 outputs a signal to open gate 24. Also,
The ID code output from the card reader 3 is converted by the decoder 22 into the address of the data stored in the characteristic pattern memories 25 and 26 and output. In this case, the gate 23 is closed and the gate 24 is opened. Therefore, the characteristic pattern of the “index finger” in the characteristic pattern memory 25 is read out and sent to the coincidence detector 8.

On the other hand, when a passerby who has inserted his or her ID card into the card reader 3 places his or her index finger on the fingerprint reader 6, the video signal is applied to the extraction pattern extraction device 7, where feature pattern data is extracted and sent to the match detector 8. sent to.

The coincidence detector 8 compares the two fed characteristic patterns, and if they match, it outputs an "H" level signal and adds this signal as the other input to the AND circuit 9.

Here, the AND circuit 9 calculates the logical product of the outputs of the coincidence detectors 5 and 8 and commands to unlock the electric lock of the first door 1a.
Outputs OPEN. At this time, the passable indicator 10 displays a message indicating that the person may pass because the personal identification result is good.

Thus, a passerby who sees the passable indicator 10 can open the first door 1a and pass through to the important area A.

Next, when the person who has entered the important area A subsequently inserts his/her ID card into the card reader (not shown) of the entrance/exit device 12 in order to pass to the most important area B,
This time, the feature pattern of "middle finger" is read out from the feature pattern memory 25, and the same determination as described above is made.

This means that the characteristic data of different parts of the body are detected to be consistent in multiple areas where traffic control is performed, and the above-mentioned important area A and the most important area B are distinguished from each other. .

Note that the selection means referred to in the present invention include the decoders 21 and 22, the gate 23, and the gate 23 of the embodiment shown in FIG.
It is a general term for 24, and these can also be combined into one element.

Although the present invention has been described above with reference to preferred embodiments, the present invention is not limited thereto, and the present invention can be modified as described in the following sections (a) to (g). Traffic control is possible.

(a) Fingerprint match detection is not limited to the above-mentioned "index finger" and "middle finger"; other fingers may also be used, and it is not limited to one finger per area, but all two or more fingers may be used in advance. It may be possible to allow the road to pass when the road matches the stored road.

(b) When a large number of doors are opened and closed at the same time, characteristic pattern data may be sent from the monitoring center side device to the entrance side device in a time-sharing manner.

(c) The characteristic pattern memories 25 and 26 may be provided in the entrance/exit devices 11 and 12, and the monitoring center device may be provided with a switch for arbitrarily specifying a finger to be detected as a match.

(d) The finger to be identified may be changed arbitrarily by passersby or depending on the area.

(e) If there are three or more areas, the condition is that even if the fingers to be detected are sequentially changed, or other physical characteristics other than fingers such as voiceprints, handprints, and footprints match. In short, a feature reading means is provided at the entrance/exit of each area to read the features of each body to obtain feature data, and a feature reading means is provided at the entrance/exit of each area to store feature data of multiple body parts for each passerby. a selection means for selecting and retrieving characteristic data that differs depending on the area where passersby enters and exits from the storage means; and characteristic data retrieved by the selection means and characteristic data obtained by the characteristic reading means. It is only necessary to include a match detection means that outputs a door opening command when the characteristic data match.

(f) Also, regarding the quadruple zones, the first zone identifies only the card reader, the second zone identifies the index finger, the third zone identifies the middle finger, and the fourth zone recognizes the voice recognition. It may be done separately, or if the number of areas is larger, it may be repeated.

(g) Characteristic pattern of “index finger” and “middle finger”
The characteristic pattern of is stored in one memory,
They may be accessed using different addresses.

〔Effect of the invention〕

As explained above, this invention is configured to detect a match between characteristic data of different parts of the body in a plurality of areas where traffic control is performed.
Even when IDs are taken based on physical characteristics, high discrimination accuracy can be achieved in all areas.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory diagram for explaining the application area of the embodiment. 3: Card reader, 4: ID code memory, 5,
8: Match detector, 6: Fingerprint reader, 7: Feature pattern extraction device, 11, 12: Doorway side device, 2
0: Monitoring center side device, 21, 22: Decoder,
25, 26: Characteristic pattern memory. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Scope of Claims] 1. A traffic control device that determines whether or not a passerby is allowed to pass and controls the opening and closing of doors in each of a plurality of areas, which is provided at the entrance and exit of each area and reads body characteristics. A feature reading means for obtaining feature data, a storage means storing feature data of a plurality of body parts for each passerby, and selecting and retrieving feature data that differ depending on the area where the passerby enters and exits from the storage means. A passageway characterized by comprising: a selection means; and a coincidence detection means that enables a door to be opened when the characteristic data extracted by the selection means and the characteristic data obtained by the characteristic reading means match. Control device. 2. The feature reading means is a fingerprint reader and a feature pattern extraction device that obtains feature pattern data based on the information of the fingerprint reader, and the storage means is a memory that stores feature patterns of two or more fingers; 2. The traffic control device according to claim 1, wherein different fingerprint verification is performed for each area.