CN109147173B

CN109147173B - Self-service selling service terminal of wrist strap type IC card and use method thereof

Info

Publication number: CN109147173B
Application number: CN201810950098.5A
Authority: CN
Inventors: 林忠兴; 陈平; 黄文挥; 林志庆; 杜晓航
Original assignee: Fujian Jiutianda Information Science & Technology Co ltd
Current assignee: Fujian Jiutianda Information Science & Technology Co ltd
Priority date: 2018-08-20
Filing date: 2018-08-20
Publication date: 2020-10-09
Anticipated expiration: 2038-08-20
Also published as: CN109147173A

Abstract

The invention discloses a self-service selling service terminal of a wrist strap type IC card, which comprises a terminal shell, wherein an industrial control host, a communication control board assembly and a touch liquid crystal display screen are arranged in the terminal shell; a wrist strap type IC card pushing device is arranged in the terminal shell, a bank card reader, a metal password keyboard, an IC card reader, an invalid card recoverer, a card fetching groove and a power supply assembly are arranged on the terminal shell, and power supply support is provided for the components; the using method comprises the following steps: the tourist clicks a 'buy wrist strap' button above the touch liquid crystal display screen, and the touch liquid crystal display screen prompts the tourist to input the number of wrist straps for men and women; and after the guest confirms that the payment is correct, the wristlet type IC card pushing device starts to push the wristlet type IC card which is successfully read and written into the card taking slot after the payment is successful, the guest can take the wristlet type IC card which is successfully purchased, and the whole purchasing process is finished. The invention has simple structure, stable work, high reliability and long service life.

Description

Self-service selling service terminal of wrist strap type IC card and use method thereof

Technical Field

The invention relates to the technical field of self-service terminals, in particular to a self-service selling service terminal of a wrist strap type IC card and a using method thereof.

Background

With the development and change of society, the appearance of the high-tech product of the wrist strap type IC card enables workers to manage playgrounds, water orchards, swimming pools and the like more conveniently. But when most tourists purchase the wrist strap type IC card, the phenomenon that the card is difficult to purchase and the card purchase is slow can all appear, the reason all lies in selling the wrist strap type IC card at present and all selling the mode through the manual work, has so not only increased staff's working strength, also let these places appear the phenomenon that the visitor is detained, this kind has now led to the fact inconvenient phenomenon to the management in each place, also can appear considerable potential safety hazard. In the current market, a self-service terminal selling a wrist strap type IC card is not available for various places.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the self-service selling service terminal of the wrist strap type IC card and the using method thereof, wherein the self-service selling service terminal is simple in structure, convenient to operate and practical.

The invention is realized by the following modes:

the utility model provides a service terminal is sold by oneself of wrist strap formula IC-card which characterized in that: the industrial control terminal comprises a terminal shell, wherein an industrial control host is arranged in the terminal shell; a communication control board assembly is arranged in the terminal shell; the communication control board assembly is connected with the industrial control host; a wrist strap type IC card pushing device is arranged in the terminal shell and connected with the communication control panel assembly; a touch liquid crystal display screen is arranged on the terminal shell; the touch liquid crystal display screen is connected with the industrial control host; a camera is arranged on the terminal shell; the camera is connected with the industrial control host; the terminal shell is provided with a receipt printer; the receipt printer is connected with the industrial control host; a bank card reader is arranged on the terminal shell and connected with the industrial control host; the terminal shell is provided with a metal password keyboard, and the metal password keyboard is connected with the industrial control host; the terminal shell is provided with an IC card reader, and the IC card reader is connected with the industrial control host; an invalid card recoverer is arranged in the terminal shell; the invalid card recoverer is connected with the communication control panel component; the terminal shell is provided with a card taking groove, the card taking groove is positioned below the wrist strap type IC card pushing device, and a wrist strap type IC card pushed out by the wrist strap type IC card pushing device falls into the card taking groove; the terminal shell is provided with a loudspeaker, and the loudspeaker is connected with the industrial personal computer and used for voice broadcasting; a power supply assembly is arranged in the terminal shell and is connected with the industrial control host to provide power support for each assembly; and a bar code scanner is arranged on the terminal shell and is connected with the industrial control host.

Furthermore, the wrist strap type IC card pushing device comprises a supporting main body arranged in the terminal shell, and a plurality of miniature direct current motors are arranged on the supporting main body at intervals; the miniature direct current motor is connected with the communication control panel component; a microswitch is arranged on the supporting main body; the micro switch is positioned on the side edge of the micro direct current motor; the microswitch is connected with the communication control panel component; a ring counting wheel is arranged on an output shaft of the miniature direct current motor; the ring counting wheel is matched with the microswitch and is used for counting and matching the ring counting wheel; an elastic coupling is arranged on an output shaft of the miniature direct current motor; a metal proximity switch is arranged on the support main body; the metal proximity switch is connected with the communication control panel component; a plurality of polished rods are arranged on the supporting main body at intervals, and every two polished rods form a group of forming tracks; a plurality of screw rods are arranged on the supporting main body at intervals, and the number of the screw rods is the same as that of the micro direct current motors; each screw rod is positioned between every two polished rods; one end of the screw rod is connected with an elastic coupling on an output shaft of the miniature direct current motor; the screw rod is provided with a pushing seat matched with the screw rod; the pushing seat is matched with the metal proximity switch and used for limiting the stroke of the pushing seat; linear bearings are arranged in the pushing seat, and the linear bearings are matched with every two polished rods to form a pushing track; the support main body is provided with a wrist strap groove matched with the pushing track, and a wrist strap type IC card is arranged in the wrist strap groove; the support main body is connected with an IC card reader through an IC card reader fixing seat, and the IC card reader is positioned right above the wrist belt groove;

the miniature direct current motor is in a static state when not receiving the instruction of the communication control panel assembly, when the industrial control host controls the communication control panel assembly to send a card issuing instruction, the IC card reader reads the card of a wrist strap type IC card in a wrist strap groove, after the card reading succeeds, the miniature direct current motor works to drive the lead screw to rotate anticlockwise and form the assistance of a pushing track through the cooperation of the linear bearing and every two polished rods, so that the pushing seat is stably driven to start to do forward linear sliding motion, a button of the micro switch is continuously pressed when the ring counting wheel rotates, the pushing seat is accurately controlled to move to a corresponding distance, the pushing seat pushes the wrist strap type IC card in the wrist strap groove to the card taking groove, and the card issuing is realized.

When the wrist strap type IC card in the wrist strap groove is sent, the industrial control main control communication control panel component sends a return instruction, the micro direct current motor works to drive the lead screw to rotate clockwise, and the lead screw is matched with every two polished rods through the linear bearing to form the assistance of a pushing track, so that the pushing seat is stably driven to start to do backward linear sliding motion, when the metal proximity switch senses the pushing seat, a signal is fed back to the communication control panel component immediately, at the moment, the communication control panel component sends an instruction immediately, the micro direct current motor stops rotating, and the automatic return control of the pushing device is realized;

a use method of a self-service selling service terminal of a wrist strap type IC card is characterized in that: the tourist clicks a 'buy wrist strap' button above the touch liquid crystal display screen, the touch liquid crystal display screen prompts the tourist to input the number of wrist straps of both men and women, and meanwhile, the industrial personal computer calculates the amount of money and displays specific information on the touch liquid crystal display screen; after the guest confirms that no mistake is found, the following payment method is selected: if the payment fails, the industrial personal computer sends an instruction to the touch liquid crystal display screen, the touch liquid crystal display screen automatically jumps back to the interface for selecting the payment mode and pays again, after the payment succeeds, the data is sent to the industrial personal computer to record the payment data information, and the evidence printer starts to print the evidence, meanwhile, the industrial control host sends an instruction to the IC card reader, the IC card reader starts to read and write the information of the wrist strap type IC card in the wrist strap groove, if the information fails, the invalid wrist strap type IC card is pushed into the invalid card recoverer, if the IC card reader reads and writes successfully and sends the data to the industrial host computer to record the data information, meanwhile, the wristlet type IC card pushing device starts to push the wristlet type IC card which is successfully read and written into the card taking slot, at the moment, the tourist can take the wristlet type IC card which is successfully purchased away, and at the moment, the whole purchasing process is finished.

The invention has the beneficial effects that: simple structure, reasonable in design practices thrift the space, convenient to use, simple and practical.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a front view of the structure of the wristband type IC card pushing device of the present invention;

FIG. 4 is a rear view of the structure of the wrist strap type IC card pushing device of the present invention;

FIG. 5 is a structural bottom view of the wrist strap type IC card pushing device of the present invention;

FIG. 6 is a perspective view of the structure of the wrist strap type IC card pushing device of the present invention;

FIG. 7 is a flow chart of the use of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

a self-service selling service terminal of a wrist strap type IC card is shown in figures 1 and 2 and comprises a terminal shell 15, wherein an industrial control host 27 is arranged in the terminal shell 15; a communication control panel assembly 28 is arranged in the terminal shell 15; the communication control board assembly 28 is connected with an industrial control host 27; a wrist strap type IC card pushing device is arranged in the terminal shell 15 and connected with the communication control panel component 28; a touch liquid crystal display screen 16 is arranged on the terminal shell 15; the touch liquid crystal display screen 16 is connected with an industrial personal computer 27; the terminal shell 15 is provided with a camera 24; the camera 24 is connected with an industrial control host 27; a receipt printer 23 is arranged on the terminal shell 15; the receipt printer 23 is connected with an industrial control host 27; a bank card reader 20 is arranged on the terminal shell 15, and the bank card reader 20 is connected with an industrial control host 27; the terminal shell 15 is provided with a metal password keyboard 19, and the metal password keyboard 19 is connected with an industrial control host 27; an IC card reader 21 is arranged on the terminal shell 15, the type of the IC card reader 21 is JT-M02JT-M02, and the IC card reader 21 is connected with the industrial control host 27; an invalid card recoverer 26 is arranged in the terminal shell 15; the invalid card recoverer 26 is connected with a communication control panel assembly 28; a card taking slot 17 is arranged on the terminal shell 15, the card taking slot 17 is positioned below the wrist strap type IC card pushing device, and a wrist strap type IC card pushed out by the wrist strap type IC card pushing device falls into the card taking slot 17; a loudspeaker 18 is arranged on the terminal shell 15, and the loudspeaker 18 is connected with an industrial personal computer 27 and used for voice broadcasting; a power supply assembly 25 is arranged in the terminal shell 15, and the power supply assembly 25 is connected with an industrial control host 27 and provides power supply support for all the assemblies; a bar code scanner 22 is arranged on the terminal shell 15, and the bar code scanner 22 is connected with an industrial control host 27; the model of the industrial personal computer 27 is JT-SV 1-H1126C; the communications panel assembly 28 is model JT-SC 021.

In this embodiment, as shown in fig. 3, 4, 5, and 6, the wrist strap type IC card pushing apparatus includes a supporting main body 12 disposed in a terminal housing 15, and a plurality of micro dc motors 1 are disposed on the supporting main body 12 at intervals; the micro direct current motor 1 is connected with a communication control panel component 28; the support main body 12 is provided with a microswitch 2; the microswitch 2 is positioned at the side edge of the micro direct current motor 1; the microswitch 2 is connected with a communication control panel component 28; a ring counting wheel 3 is arranged on an output shaft of the miniature direct current motor 1; the ring counting wheel 3 is matched with the microswitch 2 and is used for counting and matching the ring counting wheel 3; an elastic coupling 4 is arranged on an output shaft of the miniature direct current motor 1; the supporting body 12 is provided with a metal proximity switch 5; the metal proximity switch 5 is connected with a communication control panel component 28; a plurality of polished rods 6 are arranged on the supporting main body 12 at intervals, and every two polished rods 6 form a group of forming tracks; a plurality of screw rods 9 are arranged on the support main body 12 at intervals, and the number of the screw rods 9 is the same as that of the micro direct current motors 1; each screw rod 9 is positioned between every two polished rods 6; one end of the screw rod 9 is connected with an elastic coupling 4 on an output shaft of the micro direct current motor 1; the screw rod 9 is provided with a pushing seat 8 matched with the screw rod 9; the pushing seat 8 is matched with the metal proximity switch 5 and used for limiting the stroke of the pushing seat 8; a linear bearing 7 is arranged in the pushing seat 8, and the linear bearing 7 is matched with each two polished rods 6 to form a pushing track; a wrist strap groove 13 matched with the pushing track is arranged on the supporting main body 12, and a wrist strap type IC card 14 is arranged in the wrist strap groove 13; an IC card reader 11 is connected to the support body 12 through an IC card reader fixing seat 10, and the IC card reader 11 is located right above the wrist strap slot 13.

In this embodiment, the micro dc motor 1 is in a static state when not receiving the instruction of the communication control board assembly 28, when the industrial control host 27 controls the communication control board assembly 28 to send a card issuing instruction, the IC card reader 11 reads the wrist strap IC card 14 in the wrist strap slot 13, after the card reading is successful, the micro dc motor 1 works to drive the lead screw 9 to rotate counterclockwise and to cooperate with each two polish rods 6 through the linear bearing 7 to form the assistance of the pushing track, so as to stably drive the pushing seat 8 to start the forward linear sliding motion, and the micro switch 2 is continuously pressed when the ring counting wheel 3 rotates to accurately control the pushing seat 8 to move to a corresponding distance, and the pushing seat 8 pushes the wrist strap IC card 14 in the wrist strap slot 13 to the card acquiring slot 17, thereby realizing the card issuing; the structure is convenient to install, simple to process and convenient to maintain.

After wrist strap formula IC-card 14 in wrist strap groove 13 sends and finishes, industrial control host 27 control communication control panel subassembly 28 sends the return instruction, miniature DC motor 1 works, it turns clockwise to drive lead screw 9, and form orbital supplementary of propelling movement through linear bearing 7 and per two polished rods 6 cooperations, thereby realize that steady drive propelling movement seat 8 begins to do the straight line sliding motion of moving back, when metal proximity switch 5 senses propelling movement seat 8, give back to signal of communication control panel subassembly 28 at once, communication control panel subassembly 28 sends the instruction at once this moment, miniature DC motor 1 stall, thereby realize the control of the automatic return stroke of pusher, the convenient processing of this structrual installation is simple, and is convenient for maintain.

After the transmission of the wrist strap type IC card 14 is finished, the industrial control host 27 controls the communication control panel assembly 28 to send an instruction, the IC card reader fixing seat 10 drives the IC card reader 11 through the driving mechanism on the wrist strap type IC card pushing device, so as to accurately control the movement of the IC card reader fixing seat 10 to the next card reading area, thereby realizing the transmission of the high-capacity wrist strap type IC card 14.

In practice, as shown in fig. 7, the visitor clicks a "buy wrist band" button on the touch liquid crystal display 16, the touch liquid crystal display 16 prompts the visitor to input the number of wrist bands for men and women, and meanwhile, the industrial personal computer 27 calculates the amount of money and displays specific information on the touch liquid crystal display 16; after the guest confirms that no mistake is found, the following payment method is selected: one of WeChat, Payment treasure and bank card payment, if the payment fails, the industrial personal computer 27 sends an instruction to the touch liquid crystal display screen 16, the touch liquid crystal display screen 16 automatically jumps back to the interface of the selected payment mode and re-pays, after the payment succeeds, data is sent to the industrial personal computer 27 to record payment data information, and a receipt is printed by the receipt printer 23, meanwhile, the industrial personal computer 27 sends an instruction to the IC card reader 11, the IC card reader 11 starts to read and write the information of the wristband type IC card 14 in the wristband groove 13, if the payment fails, the invalid wristband type IC card 14 is pushed into the invalid card recoverer 26, if the IC card reader 11 reads and writes successfully and sends the data to the industrial personal computer 27 to record the data information, and meanwhile, the wristband type IC card pushing device starts to push the wristband type IC card 14 which is successfully read and written into the card fetching slot 17, at this time, a tourist can take the successfully purchased wristband type IC card away, at which point the entire purchase process ends.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a service terminal is sold by oneself of wrist strap formula IC-card which characterized in that: the terminal comprises a terminal shell (15), wherein an industrial control host (27) is arranged in the terminal shell (15); a communication control board assembly (28) is arranged in the terminal shell (15); the communication control board assembly (28) is connected with an industrial control host (27); a wrist strap type IC card pushing device is arranged in the terminal shell (15) and connected with a communication control panel component (28); a touch liquid crystal display screen (16) is arranged on the terminal shell (15); the touch liquid crystal display screen (16) is connected with an industrial control host (27); a camera (24) is arranged on the terminal shell (15); the camera (24) is connected with an industrial control host (27); a receipt printer (23) is arranged on the terminal shell (15); the receipt printer (23) is connected with an industrial control host (27); a bank card reader (20) is arranged on the terminal shell (15), and the bank card reader (20) is connected with the industrial control host (27); a metal password keyboard (19) is arranged on the terminal shell (15), and the metal password keyboard (19) is connected with the industrial control host (27); an IC card reader (21) is arranged on the terminal shell (15), and the IC card reader (21) is connected with an industrial control host (27); an invalid card recoverer (26) is arranged in the terminal shell (15); the invalid card recoverer (26) is connected with a communication control board assembly (28); a card taking slot (17) is formed in the terminal shell (15), the card taking slot (17) is located below the wrist strap type IC card pushing device, and a wrist strap type IC card pushed out by the wrist strap type IC card pushing device falls into the card taking slot (17); a loudspeaker (18) is arranged on the terminal shell (15), and the loudspeaker (18) is connected with the industrial personal computer (27) and used for voice broadcasting; a power supply assembly (25) is arranged in the terminal shell (15), and the power supply assembly (25) is connected with an industrial control host (27) and provides power supply support for all the assemblies; a bar code scanner (22) is arranged on the terminal shell (15), and the bar code scanner (22) is connected with an industrial control host (27);

the wrist strap type IC card pushing device comprises a supporting main body (12) arranged in a terminal shell (15), wherein a plurality of micro direct current motors (1) are arranged on the supporting main body (12) at intervals; the miniature direct current motor (1) is connected with the communication control board assembly (28); a microswitch (2) is arranged on the supporting main body (12); the microswitch (2) is positioned on the side edge of the micro direct current motor (1); the microswitch (2) is connected with the communication control panel component (28); a ring counting wheel (3) is arranged on an output shaft of the miniature direct current motor (1); the ring counting wheel (3) is matched with the microswitch (2) and is used for counting and matching the ring counting wheel (3); an elastic coupling (4) is arranged on an output shaft of the miniature direct current motor (1); a metal proximity switch (5) is arranged on the support main body (12); the metal proximity switch (5) is connected with the communication control board assembly (28); a plurality of polished rods (6) are arranged on the supporting main body (12) at intervals, and every two polished rods (6) form a group of forming tracks; a plurality of screw rods (9) are arranged on the supporting main body (12) at intervals, and the number of the screw rods (9) is the same as that of the micro direct current motors (1); each screw rod (9) is positioned between every two polished rods (6); one end of the screw rod (9) is connected with an elastic coupling (4) on an output shaft of the micro direct current motor (1); the screw rod (9) is provided with a pushing seat (8) matched with the screw rod (9); the pushing seat (8) is matched with the metal proximity switch (5) and used for limiting the stroke of the pushing seat (8); a linear bearing (7) is arranged in the pushing seat (8), and the linear bearing (7) is matched with each two polished rods (6) to form a pushing track; a wrist strap groove (13) matched with the pushing track is arranged on the supporting main body (12), and a wrist strap type IC card (14) is arranged in the wrist strap groove (13); the support main body (12) is connected with an IC card reader (11) through an IC card reader fixing seat (10), and the IC card reader (11) is positioned right above the wrist strap groove (13);

the micro direct current motor (1) is in a static state when not receiving an instruction of the communication control board assembly (28), when the industrial control host (27) controls the communication control board assembly (28) to send a card issuing instruction, the IC card reader (11) reads the wrist strap type IC card (14) in the wrist strap groove (13), after the card reading is successful, the micro direct current motor (1) works to drive the screw rod (9) to rotate anticlockwise and is matched with each two polished rods (6) through the linear bearing (7) to form the assistance of a pushing track, so that the pushing seat (8) is stably driven to start to move forwards in a linear sliding motion, the push button of the micro switch (2) is continuously pressed when the ring counting wheel (3) rotates to accurately control the pushing seat (8) to move to a corresponding distance, the pushing seat (8) pushes the wrist strap type IC card (14) in the wrist strap groove (13) to the card taking groove (17), thereby realizing card issuing;

after wrist strap formula IC-card (14) in wrist strap groove (13) sent and finishes, industrial control host computer (27) control communication control panel subassembly (28) send the return stroke instruction, miniature direct current motor (1) work, drive lead screw (9) and rotate clockwise, and form orbital supplementary of propelling movement through linear bearing (7) and per two polished rods (6) cooperation, thereby realize steady drive propelling movement seat (8) and begin to do the straight line sliding motion that moves back, when propelling movement seat (8) is sensed in metal proximity switch (5), feed back a signal to communication control panel subassembly (28) immediately, communication control panel subassembly (28) send the instruction immediately this moment, miniature direct current motor (1) stall, thereby realize the automatic return stroke control of pusher.

2. A method of using a wrist-worn IC card kiosk as claimed in claim 1, characterized in that: the tourist clicks a 'buy wrist strap' button above the touch liquid crystal display screen (16), the touch liquid crystal display screen (16) prompts the tourist to input the number of wrist straps of both men and women, and meanwhile, the industrial personal computer (27) calculates the amount of money and displays specific information on the touch liquid crystal display screen (16); after the guest confirms that no mistake is found, the following payment method is selected: one of WeChat, Payment treasure and bank card payment, if the payment fails, the industrial personal computer (27) sends an instruction to the touch liquid crystal display screen (16), the touch liquid crystal display screen (16) automatically jumps back to an interface for selecting a payment mode and pays again, after the payment succeeds, data are sent to the industrial personal computer (27) to record payment data information, a receipt is printed by the receipt printer (23), meanwhile, the industrial personal computer (27) sends an instruction to the IC card reader (11), the IC card reader (11) starts to read and write the information of the band type wrist IC card (14) in the wrist band groove (13), if the payment fails, an invalid wrist band type IC card (14) is pushed into an invalid card recoverer (26), if the IC card reader (11) reads and writes successfully, the data are sent to the industrial personal computer (27) to record the data information, and meanwhile, the wrist band type IC card pushing device starts to push the read and write successfully wrist band type IC card (14) into the IC card groove (17), at this time, the tourist can take the purchased wrist strap type IC card, and the whole purchasing process is finished.