JPH11328405A - Facial shape discriminating device - Google Patents

Facial shape discriminating device

Info

Publication number
JPH11328405A
JPH11328405A JP12723698A JP12723698A JPH11328405A JP H11328405 A JPH11328405 A JP H11328405A JP 12723698 A JP12723698 A JP 12723698A JP 12723698 A JP12723698 A JP 12723698A JP H11328405 A JPH11328405 A JP H11328405A
Authority
JP
Japan
Prior art keywords
feature point
point data
face shape
face
apparatus according
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
Application number
JP12723698A
Other languages
Japanese (ja)
Inventor
Osamu Suzuki
修 鈴木
Original Assignee
Mitsubishi Electric Corp
三菱電機株式会社
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, 三菱電機株式会社 filed Critical Mitsubishi Electric Corp
Priority to JP12723698A priority Critical patent/JPH11328405A/en
Publication of JPH11328405A publication Critical patent/JPH11328405A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To prevent a person who wont's be discriminated from being discriminated at the time of discriminating an individual according to the feature point data of a facial shape. SOLUTION: The discrimination of the person is not started only when the person stands in front of an ITV camera 1. When the person stands in front of the ITV camera 1, and inputs a personal code number by operating ten keys 4, this is turned into a collation start signal, and discrimination is started. Also, the feature point data of a facial shape are not sufficient, and collation of a person with the already registered data can not be operated, discriminating capability is improved by adding another means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for discriminating an individual by comparing feature point data of a read face shape with registered feature point data of a face shape.

[0002]

2. Description of the Related Art As a device for discriminating a specific individual, a discriminating device using a facial feature point is disclosed in, for example, JP-A-61-17.
It has been proposed in US Pat. This is because a person's face is imaged with an ITV camera, its feature point data is extracted, and this is compared with registered face shape feature point data. It is to determine.

[0003]

In the conventional face shape discriminating apparatus as described above, since a face shape is simply imaged by an ITV camera, a person who is not willing to receive the discrimination is discriminated. A security problem occurs. For example, there is a problem in that a person who has registered a facial feature point simply opens in front of the camera and opens a door to an area where general people are prohibited from entering.

[0004] In addition to the above-mentioned prior art, the facial shape feature point extraction means grasps eyebrows, eyes, nose, mouth, ears, face contours, and the like as lines in the same manner as fingerprints. However, unlike fingerprints, the accuracy of discrimination is low, so that matching accuracy cannot be ensured only by the face shape. Further, there is a problem that it takes a long time to search for the feature point data that matches the face shape feature point data read from a large number of feature point data stored in the memory, and the technique is not practical. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has a face shape capable of discriminating a person who intends to undergo discrimination, improving the collation accuracy, and shortening the collation time. It is an object to provide a discriminating device.

[0006]

A face shape discriminating apparatus according to a first aspect of the present invention is configured such that a collation start signal for instructing the start of collation is input by an artificial operation.

A face shape discriminating apparatus according to a second aspect of the present invention is the face type discriminating apparatus according to the first aspect, wherein a collation start signal is input by a predetermined switch.

A face shape discriminating apparatus according to a third aspect of the present invention is the face shape discriminating apparatus according to the first aspect of the invention, in which the collation start signal is input by setting an input to the imaging camera to a state different from a normal state. is there.

Further, a face shape discriminating apparatus according to a fourth invention is the face shape discriminating apparatus according to the first invention, wherein the collation start signal is a specific number set for each individual.

The face shape discriminating apparatus according to a fifth aspect of the present invention, in addition to discriminating face shape feature point data, also adds additional feature point data other than face shape feature point data and registered additional feature point data. The collation is performed to determine whether the two match.

A face shape discriminating apparatus according to a sixth aspect of the present invention is the face shape discriminating apparatus according to the fifth aspect, wherein the additional feature point data is the profile face feature point data.

A face shape discriminating apparatus according to a seventh aspect of the present invention is the image processing apparatus according to the fifth aspect, wherein the additional feature point data simultaneously hides or moves at least one of the face portions, or moves two or more of the face portions. The above is data obtained by hiding in a predetermined order or moving in a predetermined order.

According to an eighth aspect of the present invention, in the face shape determining apparatus according to the fifth aspect, a number is given to each part of the face, and a personal number is set by hiding or moving the part. .

In the face shape discriminating apparatus according to the ninth aspect of the present invention, in the seventh aspect, moving the face portion means changing the face portion from one state to another state and holding the state. Or the operation of changing the face part from one state to the next state is repeated.

Further, a face shape discriminating apparatus according to a tenth aspect of the present invention comprises:
When the facial feature point data is equal to or smaller than a predetermined value, the matching is performed on behalf of the input personal number.

[0016] The face shape discriminating apparatus according to the eleventh invention is characterized in that:
In the fifth to ninth aspects of the present invention, the operation procedure based on the additional discrimination is displayed by a symbol.

Further, a face shape discriminating apparatus according to a twelfth aspect of the present invention comprises:
In the seventh or ninth aspect of the present invention, the act of hiding or moving a face portion without collating data is used as additional feature point data.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 4 show an embodiment of the first invention and the fifth invention of the present invention. FIG. 1 is a perspective view of a control device, FIG. 2 is a block diagram of the control device, and FIG. FIG. 4 is an operation flowchart, and FIG. 4 is a collation operation flowchart, in which the same reference numerals denote the same parts.

1 and 2, reference numeral 1 denotes an ITV camera, reference numeral 2 denotes a control device, reference numeral 3 denotes a display using a liquid crystal or the like, and reference numerals 4 denote from "0", "1" to "9", "*" and "#" keys. Numeric keypad, 5 for CPU, 6 for ROM 7, 7 for RAM, 8 for IT
An A / D converter connected to the V camera 1 for converting a video signal into a digital signal, and an interface 9 for outputting an OK pulse signal 9a.

Next, the operation of this embodiment will be described. A. Face shape registration operation (FIG. 3) A person who registers a face shape stands in front of the ITV camera 1, operates a numeric keypad 4, inputs a password, and presses a registration key of the numeric keypad 4 (for example, a "#" key). Shall be pressed. These operations mean the input of the collation start signal. Step S1
Waits for the above operation to be executed, and if it is executed, the process proceeds to step S2 to calculate a facial feature point.

The feature points of the face shape include the face outline, eyebrows,
Relative relationship of eyes, nose, ears, mouth, etc., that is, their positions,
Refers to size, thickness, angle, etc.
No. 5509 discloses this. And step S
In step 3, it is determined whether or not feature point data equal to or greater than a predetermined value has been obtained.
If it is obtained, the process jumps to step S9 to store the password and the feature point data as a pair in the RAM 7, and the process ends.
If the feature point data equal to or more than the predetermined value is not obtained, the process proceeds to step S
Then, the process proceeds to step S4, and the display unit 3 displays that the face is hidden by one hand such as eyebrows, eyes, nose, ears, and mouth. It should be noted that the way of hiding (hand placement), the place to hide, the number thereof, and the like are stored by the individual.

In step S5, it is determined whether or not feature point data having a predetermined value or more has been obtained. If obtained, the process jumps to step S9 in the same manner as described above, and the process ends. If not, the display unit 3 displays on the display 3 that the face part is hidden by two hands in step S6. In step S7, it is determined whether or not feature point data equal to or larger than a predetermined value has been obtained. If obtained, the process jumps to step S9 and stores the data, and the process ends. If not, the process proceeds to step S8, where the personal identification number and "no feature point" are stored as a pair in the RAM 7, and the process ends.

B. Face Shape Verification Operation (FIG. 4) A person who verifies the face shape stands in front of the ITV camera 1 and operates the numeric keypad 4 to input a password. In step S11, the process waits for the above operation to be performed. If the operation is performed, the process proceeds to step S12 to determine whether the password is correct. If not correct, the display 3 displays "N" in step S13.
G "is displayed and the process returns to step S11. If it is correct, the process proceeds to step S14, and the feature point data stored in the RAM 7 is searched for one pair with the personal identification number, and this is determined as "no feature point".
Is stored. At this time, the person who has registered the feature point data of the face shape while concealing a part of the face shape shall perform the same operation and collate.

If "no feature point" is stored, "OK" is displayed on the display 3 in step S15, and
At 16, an OK pulse signal 9 a is output from the interface 9, and the process ends. The OK pulse signal 9a is used as an output signal for unlocking an electric door. Step S
If "No feature point" is not stored in step 14, the process proceeds to step S17, and the face feature point is calculated as described above. The feature points of the face shape calculated in step S18,
It is determined whether the feature point data stored as a pair with the password in the RAM 7 matches within a predetermined range.

If they match, "OK" is displayed in step S15, and an OK pulse signal 9a is output in step S16. If they do not match, the process proceeds to step S19, and displays "Please start over" on the display 3. The user performs face shape comparison again according to this display. Then, in step S20, it is determined whether or not the matching of the same person has not been performed a predetermined number of times within a predetermined time. If they do match, the process returns to step S11. If not, the process proceeds to step S21 to proceed to step S21. Is displayed as "NG", and the process ends. Here, steps S4 to S7 constitute addition determining means, and S11 constitutes a collation start input means.

In this way, the password is input before the face shape is collated, and this is used as the collation start signal for instructing the collation to be started. It is possible to prevent the collation operation from starting. For example, merely by passing a person in front of the ITV camera 1, the electric lock is not unlocked and the door is not opened. In addition, even if a person has a small amount of facial feature point data, the time required for verification is reduced because the feature point data is registered under some conditions.

In the first embodiment, the collation start signal is inputted by inputting the personal identification number.
The present embodiment can be implemented as in the fourth embodiment, and can be implemented by changing steps S11 and S12, and has the same effect as the first embodiment.

Embodiment 2 9 shows an embodiment of the second invention of the present invention, in which a specific key of the numeric keypad 4 is pressed or a dedicated switch is separately operated to input a collation start signal instead of inputting a password. It is something to do. After that, similarly to the first embodiment, the ten key 4
The user may input a personal identification number from the user, or without inputting the personal identification number, the inputted facial feature point data and the RAM.
7 may be collated with all feature point data.

Embodiment 3 FIG. 14 shows an embodiment of the third invention of the present invention, in which an input to the ITV camera 1 is input in a state different from normal, instead of inputting a password. For example, the ITV camera 1 is covered with a hand to make the image black, the light beam is applied to the ITV camera 1 to make the image white, or the ITV camera 1 is intermittently covered like a Morse code by hand. And a collation start signal.

Embodiment 4 FIG. 14 shows an embodiment of the fourth invention of the present invention, in which an ID card (magnetic, IC, light, non-contact) is used instead of inputting a password from the numeric keypad 4;
This is to input a D number.

Embodiment 5 An embodiment of the sixth invention of the present invention will be described. In the first embodiment, one or two of the face parts are hidden by hand as a discriminating means other than the feature points of the face shape, that is, additional discriminating means. Data. The sixth to tenth embodiments also show the embodiment of the addition determining means.

Embodiment 6 FIG. FIG. 17 shows an embodiment of the seventh invention of the present invention, in which, instead of hiding one or two of the face parts by hand, a greater number are hidden or a predetermined order (for example, left eye → mouth → nose) Order).

Embodiment 7 FIG. 17 shows another embodiment of the seventh invention of the present invention, in which, instead of hiding a face part, one or more of the face parts are moved or moved in a predetermined order (for example, right eye → mouth order). It was made.

Embodiment 8 FIG. The eighth embodiment of the present invention is shown in which each part of the face is numbered (for example, left eyebrows =
1, right eyebrows = 2, right eye = 3, left eye = 4), and by hiding or moving those parts, the numeric keypad 4
Is used as a number input in place of. Further, the way of giving the numbers may be changed, for example, such that the left eye is hidden = 4 and the left eye is moved = 5.

Embodiment 9 A ninth embodiment of the present invention will be described. In the seventh embodiment, each part is moved. However, this is changed from one state to another state and held as described below. (1) Move the eyebrows up or down to stand still. (2) Wrinkle the miken. (3) Close or open your eyes. In addition, the eyes are opened and the eyeball is moved up, down, left, and right to stand still. (4) Open the nostrils or move in the direction of closing to stop.

(5) Open or close the mouth and let it stand still. In addition, the case of opening the mouth includes whether the mouth is opened wide or small, and also includes whether the teeth are shown or not. Also,
The closing of the mouth includes making the mouth a little bit and making the shape of the mouth open. (6) Move your ears up or down (but only as possible)
Let it stand still.

Embodiment 10 FIG. Another embodiment of the ninth invention of the present invention will be described. In the seventh embodiment, the face part is moved. However, the operation of changing the face part from one state to another state is repeated as follows. (1) Move the eyebrows repeatedly → up → down → up → down. Hereinafter, (1) to (6) of the ninth embodiment are repeatedly performed.

Embodiment 11 FIG. An embodiment of the tenth invention of the present invention will be described. In this embodiment, when the feature point data of the face shape is small and the collation is impossible, the identification is performed only by the personal number such as the personal identification number. It is provided. As a result, even a person with few facial feature points can be discriminated, and it can be made practically useful.

Embodiment 12 FIG. An embodiment of the eleventh invention of the present invention is shown, in which a user is caused to display an operation procedure by the addition determining means of the fifth embodiment.
That is, if the operation procedure is known to another person, the security is reduced. Therefore, in the first embodiment, the operation procedure is not displayed. However, this makes the operation procedure unfriendly to a person who has forgotten the operation procedure.
May be indicated by a symbol. For example, "close the right eye" is displayed as RC, and "close the left eye" is displayed as LC. with this,
It is possible to teach operation procedures while maintaining security.

Embodiment 13 FIG. A twelfth embodiment of the present invention will be described. In the sixth to tenth embodiments, a part of the face is hidden or moved to be used as feature point data other than the face feature point data. But ignores this. That is, Embodiment 13
Then, the act of hiding or moving itself is regarded as a feature point. As a result, even a person with few feature points can be discriminated, and it can be made practically useful.

It is also possible to carry out as follows. (1) In the eleventh embodiment, when the facial feature point data is small and collation is not possible, it is determined only by the personal number. However, the fact that there is no facial feature point is collated as the feature point. Add. (2) The imaging camera is not limited to an ITV camera, and any camera that can obtain an image may be used. For example, a laser scanner or the like can be used.

[0042]

As described above, in the first invention of the present invention, a collation start signal for instructing the start of collation is input by an artificial operation, and in the second invention, the collation start signal is input by a specific switch. In the third invention, the input to the image pickup camera is similarly performed by making the state different from the normal state, and in the fourth invention, the specific number similarly set for each individual is input. It is possible to prevent the user from inputting a will and starting a useless collation operation, thereby improving security.

According to the fifth aspect of the present invention, in addition to the discrimination of the facial feature point data, the additional feature point data other than the facial feature point data is compared with the registered additional feature point data so that the two coincide. In the sixth invention, the additional feature point data is set as profile feature point data, and in the seventh invention, the additional feature point data hides or moves one or more of the face portions at the same time, Alternatively, the data is obtained by hiding or moving two or more of the face parts in a predetermined order, or moving the data in a predetermined order, so that the method can be applied to a person with a small amount of feature point data of the face shape, thereby improving the matching accuracy. Can be.

In the eighth invention, a number is given to each part of the face, and the personal number is set by hiding or moving the face. In the ninth invention, the face part is changed from one state to another state. In the tenth invention, when the facial feature point data is equal to or less than a predetermined value, the collation is performed by discriminating the input personal number. Thus, the present invention can be applied to a person who has a small amount of facial feature point data, and the matching accuracy can be improved.

Further, in the eleventh invention, the operation procedure based on the additional discrimination is displayed by a symbol, so that the operation procedure can be taught to a person who has forgotten the operation procedure while maintaining security.

In the twelfth aspect, the act of hiding or moving a face portion itself is used as the additional feature point data without collating the data, so that the feature point data of the face shape is small. The present invention can be applied to a person, and the matching accuracy can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a control device according to a first embodiment of the present invention.

FIG. 2 is a block diagram of the control device of FIG. 1;

FIG. 3 is a registration operation flowchart showing the first embodiment of the present invention.

FIG. 4 is a flowchart illustrating a collation operation according to the first embodiment of the present invention;

[Explanation of symbols]

1 imaging camera (ITV camera), 2 control device, 3
Display, 4 collation start input means (numeric keypad), S4-S
7 additional determination means, S11 collation start input means.

Claims (12)

[Claims]
1. An apparatus for comparing feature point data of a face shape read by an imaging camera with feature point data of a registered face shape to determine whether the two match, and instructs the start of the matching. 1. A face shape discriminating device comprising: a collation start input means for inputting a collation start signal to be performed by manual operation.
2. The face shape discriminating apparatus according to claim 1, wherein the collation start signal is inputted by a predetermined switch.
3. The face shape discriminating apparatus according to claim 1, wherein the collation start signal is inputted by setting an input to the image pickup camera different from a normal state.
4. The face shape discriminating apparatus according to claim 1, wherein the collation start signal is a specific number set for each individual.
5. An apparatus for comparing feature point data of a face shape read by an imaging camera with feature point data of a registered face shape to determine whether the two match each other. In addition to the data discrimination, an additional discriminating means is provided for comparing the additional feature point data other than the face shape feature point data with the registered additional feature point data to determine whether the two coincide with each other. Face shape discriminating device.
6. The face shape discriminating apparatus according to claim 5, wherein the additional feature point data is feature point data of a side face.
7. The additional feature point data is obtained by simultaneously hiding or moving one or more of the face parts, or hiding or moving two or more of the face parts in a predetermined order, or moving the additional feature point data in a predetermined order. The face shape discriminating apparatus according to claim 5, wherein:
8. The face shape discriminating apparatus according to claim 5, wherein the additional discriminating means is configured to assign a number to each part of the face, and to set a personal number by hiding or moving the face.
9. The method of moving a face part includes changing the face part from one state to another state and holding the state, or moving the face part from one state to another state. 8. The face shape discriminating apparatus according to claim 7, wherein the changing operation is repeated.
10. A device for comparing a face shape feature point data read by an imaging camera with a registered face shape feature point data to determine whether the two match each other. A face shape discriminating device, comprising: an input device; and a collation substitute means for performing the collation by discriminating the input personal number when the facial shape feature point data is equal to or less than a predetermined value.
11. The face shape discriminating apparatus according to claim 5, further comprising symbol display means for displaying an operation procedure by the additional discriminating means by a symbol.
12. The face shape discriminating apparatus according to claim 7, wherein the act of hiding or moving a face portion without collating data is used as additional feature point data. .
JP12723698A 1998-05-11 1998-05-11 Facial shape discriminating device Pending JPH11328405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12723698A JPH11328405A (en) 1998-05-11 1998-05-11 Facial shape discriminating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12723698A JPH11328405A (en) 1998-05-11 1998-05-11 Facial shape discriminating device

Publications (1)

Publication Number Publication Date
JPH11328405A true JPH11328405A (en) 1999-11-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411209B1 (en) 2000-12-06 2002-06-25 Koninklijke Philips Electronics N.V. Method and apparatus to select the best video frame to transmit to a remote station for CCTV based residential security monitoring
US6441734B1 (en) 2000-12-12 2002-08-27 Koninklijke Philips Electronics N.V. Intruder detection through trajectory analysis in monitoring and surveillance systems
US6690414B2 (en) 2000-12-12 2004-02-10 Koninklijke Philips Electronics N.V. Method and apparatus to reduce false alarms in exit/entrance situations for residential security monitoring
US6744462B2 (en) 2000-12-12 2004-06-01 Koninklijke Philips Electronics N.V. Apparatus and methods for resolution of entry/exit conflicts for security monitoring systems
JP2006259922A (en) * 2005-03-15 2006-09-28 Omron Corp Object authentication device, cellular phone, object authentication method, and object authentication program
JP2006259921A (en) * 2005-03-15 2006-09-28 Omron Corp Object authentication device, cellular phone, and object authentication program
US7206029B2 (en) 2000-12-15 2007-04-17 Koninklijke Philips Electronics N.V. Picture-in-picture repositioning and/or resizing based on video content analysis

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411209B1 (en) 2000-12-06 2002-06-25 Koninklijke Philips Electronics N.V. Method and apparatus to select the best video frame to transmit to a remote station for CCTV based residential security monitoring
US6441734B1 (en) 2000-12-12 2002-08-27 Koninklijke Philips Electronics N.V. Intruder detection through trajectory analysis in monitoring and surveillance systems
US6593852B2 (en) 2000-12-12 2003-07-15 Koninklijke Philips Electronics N.V. Intruder detection through trajectory analysis in monitoring and surveillance systems
US6690414B2 (en) 2000-12-12 2004-02-10 Koninklijke Philips Electronics N.V. Method and apparatus to reduce false alarms in exit/entrance situations for residential security monitoring
US6744462B2 (en) 2000-12-12 2004-06-01 Koninklijke Philips Electronics N.V. Apparatus and methods for resolution of entry/exit conflicts for security monitoring systems
US7206029B2 (en) 2000-12-15 2007-04-17 Koninklijke Philips Electronics N.V. Picture-in-picture repositioning and/or resizing based on video content analysis
JP2006259922A (en) * 2005-03-15 2006-09-28 Omron Corp Object authentication device, cellular phone, object authentication method, and object authentication program
JP2006259921A (en) * 2005-03-15 2006-09-28 Omron Corp Object authentication device, cellular phone, and object authentication program
JP4696608B2 (en) * 2005-03-15 2011-06-08 オムロン株式会社 Subject authentication device, mobile phone, and subject authentication program
JP4696609B2 (en) * 2005-03-15 2011-06-08 オムロン株式会社 Subject authentication apparatus, cellular phone, subject authentication method, and subject authentication program

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