A LOCKING DOORKNOB WHICH COGNIZES FINGER PRINT

Abstract: A locking doorknob which cognizes finger print, the detecting sensor of finger print of the present invention is installed on the spot of the doorknob that a thumb or other fingers are placed naturally. the location of the detecting sensor of finger print is changed at the discretion of a user. As soon as a user holds the doorknob, his finger print is cognized and searched. If the finger print corresponds to the finger print input before, the locking is to be dissolved and the doorknob is turned to open the door. Recognition and opening the door are performed at a time.

Description: A locking doorknob which cognizes finger print Background of the invention Field of the Invention The present invention relates to a locking doorknob which cognizes finger print and mure particularly to a locking doorknob which cognizes finger print which is installed on the dooi in a house, an apartment, an office or of a car and a safe When a pei son holds the present invention, doorknob, a door is to be open when his fingei pnnt 10 corresponds to the finger print input befoie, by a detecting sensor of a finger print The prior locking doorknob which cognizes the finger print which is input a certain usei 's finger print is to be unlocked, when a person touches the spot to recognize his finger print, if the finger print read through the detecting finger print corresponds to the finger print input before l -i That prior locking doorknob which cognizes the finger print has been applied to various kinds of doors using the above-mentioned function, however, the prior locking doorknob has been used for auto-door and the price is also high Furthermore, the prior invention has been installed separately from a door and a controller so it is not facihtative to be installed in a general place such as a house or an office 20 In case of manual doors, there is cumbersomeness Because the detecting finger print is formed separately from the doorknob, a person has to turn the doorknob in order to open the door after the identification is approved through the detecting sensor of finger print Discussion of Related Art Thus, in order to solve the above-mentioned problem, the detecting sensor finger print of the present invention is installed on the spot of the doorknob that a thumb is placed naturally. So with a user's holding the doorknob, his finger print is cognized and searched and if the finger print corresponds to the finger print input before, the locking is to be dissolved and the doorknob is turned to open the door, which is that recognition and opening the door are performed at the same time. Summary of the Invention The present invention relates to a locking doorknob which cognizes finger print, that is installed on the door in a house, an apartment, an office or of a car and a safe. When a person holds the present invention, doorknob, a door is to be open if his finger print corresponds to the finger print input before, by a detecting sensor a finger print. The prior locking doorknob which cognizes finger print has been applied to various kinds of doors using the above-mentioned function, however, the prior locking doorknob has been used for auto-door and the price is also high. Furthermore, the prior invention has been installed separately from a door and a controller so it is not facilitative to be installed in a general place such as a house or an office. Because the detecting sensor of finger print is installed separately from the doorknob, a person has to turn the doorknob in order to open the door after the identification is approved through the detecting sensor of finger print. Thus, in order to solve the above-mentioned problem, the detecting sensor of finger print of the present invention is installed on the spot of the doorknob that a thumb is placed naturally So when someone holds the doorknob, his finger print is cognized and searched and if the finger print corresponds to the finger print input befoi e, the locking is to be dissolved and the doorknob is turned to open the door, which is that Recognition and opening the door are performed at the same time Brief Description of the Attached Drawings FIG 1 is a deal perspective view according to an embodiment of the piesent invention FIG 2 is a cross sectional view of the part A-A of the present invention FIG 3 is a cross sectional view of status which the detecting sensor of finger pnnt fits into the detecting sensor of finger print case FIG 4 is a cross sectional view of the process which the detecting sensor of finger print is fitting into the detecting sensor of finger print case FIG 5 is a perspective view of the situation using the present invention FIG 6 is a flowchart for the hnked-operation of the present invention FIG 7 is a flowchart for the operation of a locking doorknob which cognizes finger print Detailed Description of Preferred Embodiment The following is the detailed description of the most desirable embodiment of the present invention As shown in FIG 1 , the door-lock operation shaft(3) which fits into the perforatιon(9) on the lower part of the door-lock case(l) operates locking apparatuses not shown in FIGs) which is formed in the door-lock case(l ) A passing flute(2) which is fomied inside of the above door-lock operation shaft(3) for a length of wne(8) of the detecting sensoi of finger pπnt(5) to pass thiough is to penetiate at a light angle to the inside part of the detecting sensor of finger print case(4a) which is formed in the centei of the detecting sensor of finger print case(4) inserted a detecting sensor of finger pπnt(5) The inside part of the detecting sensor of finger print case(4a) is conjoined w ith 10 a co\ eι( 10) which is attached a knob(6) by screws(7) The for ard area of the inside part of the detecting sensor of finger pnnt case(4a) is formed as an ιnchne(4c) in order that a window recognizing finger pπnt(5a) of the detecting sensor of finger pπnt(5) may have an angle of inclination An ιnclιne(4c) is to have the opening part(4d) in order that a window recognizing fingei l - pnnt(5a) may be exposed and a sill for support(4e) is fomied on the lower pait of the opening paιt(4d) to facilitate holding inside without a length of w ιre(8) being pressed so that invention looks good and convenient to use Furthermore, an extroverted sιll(5b) is formed on the top of the detecting sensor of finger prmt(5) and an introverted sιll(4b) is fomied in the inside part of the 20 detecting sensoi of finger print case(4a) in order to prevent the detecting sensor of finger pπnt(5) from slipping to the forward area when the detecting sensor of finger pπnt(5) is put the inside part of the detecting sensor of finger print case(4a) A sub-passing flute(2a) is formed at a side of the passing flute(2), which is foimed in the dooi-lock operation shaft(3) to pass through is to penetrate at a right angle to the inside part of the detecting sensor of finger print case(4a), in ordei that a jack(8a) of the length of wιre(8) of the detecting sensor of finger pπnt(5) may be put in and out Confidential information about the present invention is preserved by packing According to the above description, as shown in FIG 6. the data input in the ^ memoiy before compares with the data input through the finger print data input de\ ιce(the detecting sensor of finger print 5) and the Key data input devιce(ke\ button 11 ) According to the result, a controllei (20) which controls the locking apparatus(30) and the locking apparatus(30) which controls the door-lock operation shaft! ^) aie to be opeiated or not 0 At this point, the follower describes data flowing, as shown FIG 7 When a data is input by the detecting sensor of finger prmt(5) on the step 110, the data is interpieted whether it is compatible with the data input before in the memoiy or not Λftei that, if it is compatible with the data input before in the memory, the dooi is to be unlocked, or else, the proceeding returns to the first step, step 100 - On the othei hand, in case of no data is input on the step 110, aftei the confirmation whether a password is input through the key button(l l ) or not on the step 130. if the password is input by the key button(l l ), the password input is interpreted whether it is compatible with the number input in the memory before or not on the step 140 Also, when the number is compatible with the numbei input in the memory before, 0 the door is to be unlocked on the step 150, or else, the proceeding returns to the step 100 In a normal situation without any operation, the dooi -lock is to be locked all the time flowing step 110= stepl30= step 160= step 170=^> step 100 Thus, as shown in the FIG 4, when a person who has already input the fingei pnnt holds the doorknob(6) to open the door and put his the fingei which is input in the memory on the window recognizing finger print(5a) of the detecting sensor of finger print(5), a lamp which is formed in the door-lock case(l) turns on and the door is to be open. In case of a certain time lapses, the whole process is to be reinstated in order to restrain other's entrance. As described in the above, the detecting sensor of finger print(5) is fomied in the door-lock operation shaft(3) which is combined with the doorknob(ό). Detecting finger print on the spot of the doorknob that a thumb is placed naturally makes result, such as a person holds and turns a normal doorknob to open the door. Furthermore, Detecting finger print is operated not only by a thumb, but also by other fingers differing the direction of the detecting sensor of finger print(5), so that a left-handed person can input his finger print of left hand. The present invention has a great merit for the doors of places or goods that are required the preservation of security, opening the door conveniently and preserving the security at a time.

Claims: What is claimed is: 1 A locking doorknob which cognizes finger print wheie its impiovement comprising, > A door-lock operation shaft(3) fomied the detecting sensoi of fingei pnnt case(4), A detecting sensor of fingei print case(4) including the detecting sensor of fingei pnnt(5), And a detecting sensor of finger prmt(5) which is fomied a length ol 0 u e( 8) inserted into the detecting sensor of finger print case(4) of the dooi -lock operation shaft(3) are included in the detecting sensor of finger print case(4) which is combined with its cover using screws 2 A locking doorknob which cognizes finger print as claimed claim 1 , the ^ lorwaid aiea of the inside part of the detecting sensor of finger print case(4a) is fomied as an ιnchne(4c) for a window recognizing finger prmt(5a) of the detecting sensoi of finger pπnt(5) to have an angle of inclination An ιnchne(4c) is open in oider that a w indow lecogmzmg finger pπnt(5a) may be exposed and a sill for suppoιt(4e) is formed on the lower part of the opening part(4d) to facilitate holding inside without a 0 length of wιre(8) being pressed 3 A locking doorknob which cognizes finger print as claimed in claim 1 , a sub-passing flute(2a) is formed at one side of the passing flute(2), which is formed in the door-lock operation shaft(3) to pass through is to penetrate at a right angle to the inside part of the detecting sensor of finger print case(4a), in order that a jack(8a) of the length of wire(8) of the detecting sensor of finger print(5) may be put in and out.

Inventors: HWANG MOON SUNG, HWANG, MOON, SUNG
Applicants: KEICO LTD, KEICO LTD.
Application year: 2000
Main classification: E05B49
IPC codes: E05B1, G07C9