CN1415086A

CN1415086A - Operating device for electronic functional equipment

Info

Publication number: CN1415086A
Application number: CN00818176A
Authority: CN
Inventors: 齐亚德·贝达尼
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-11
Filing date: 2000-11-07
Publication date: 2003-04-30
Also published as: JP2003514297A; AU778381B2; BR0015497A; PL356169A1; HK1050401A1; EP1228417A1; AU1312401A; WO2001035203A1; CA2391345A1; KR20030019298A; MXPA02004672A

Abstract

An operating device for electronic functional equipment, optionally in interaction with a display unit, where the device has a control element that is depressible for activation of a switch function, and stepwise is either longitudinally movable or rotatable in relation to the operating device housing, the movement of the control element preferably being indicatable, and where the device has means for detecting the stepwise movement of the control element. On each side of the movement path of the control element thereis respectively provided a first and second switch, depressible in the z direction. In connection with the control element there is provided a third switch, the control element being adapted to be depressible for activation of the third switch. Said first, second and third switches are interrelated to provide three possible options in the x direction for respective stepwise position of the control element in the y direction.

Description

The operating means of electronic functional equipment

The present invention relates to a kind of as

claims

1,4,5,7,9,10,12,13,14 and 15 the operating means that is used for electronic functional equipment as described in the preamble.

Mobile phone now, communication device and other electronic functional equipment etc. obtains a large amount of functions gradually, and has big display unit (display screen) in some cases, so that mobile phone etc. are suitable for new GSM standard (being known that WAP).These devices are comprising lot of data and very big menu system, thereby need carry out simple and effectively control to input and guiding.The objective of the invention is to break away from this type of device and existing a large amount of operating keys of function device, simple to realize, logical and operation efficiently, the words that need also can be carried out interaction with display unit.

Some solutions that the objective of the invention is for example the applicant to be described in its Norwegian patent applications book 19985770 and 19995723 early propose some simplification.In addition, the application also will be further described the details of some the concrete device for carrying out said of the applicant in its Norwegian patent applications 19996001 and 20004375 early.

Feature of the present invention is appending claims in the back, and open in the explanation of doing below in conjunction with accompanying drawing.

Fig. 1 is the schematic diagram by the operating means of first kind of specific embodiment of the present invention.

Fig. 2 be with the display unit of this operating means coupling on the exemplary screen image.

Fig. 3 is the detail drawing of operating means shown in Figure 1.

Fig. 4 is the sectional view of being got along IV-IV line among Fig. 3.

Fig. 5 is the sectional view when the control element of operating means among Fig. 3 is in second terminal position.

Fig. 6 is the sectional view of being got along VI-VI line among Fig. 3.

Fig. 7 is second kind of specific embodiment of operating means of the present invention.

Fig. 8 is the detail drawing of operating means shown in Figure 7.

Fig. 9 is the sectional view of being got along the IX-IX line of Fig. 8.

Figure 10 is the sectional view when the control element of the device among Fig. 8 is in second terminal.

Figure 11 is the sectional view of being got along the XI-XI line of Fig. 8.

Figure 12 is the third specific embodiment, and it is a kind of modification of Fig. 7-11 illustrated embodiment.

Figure 13 is the sectional view of being got along the XIII-XIII line of Figure 12.

Figure 14 and 15 is respectively the virgin state of visual and relevant with the x/y operation matrix of display screen.

Figure 16 illustrates the 4th kind of specific embodiment of operating means of the present invention.

Figure 17 illustrates the 5th kind of specific embodiment of operating means of the present invention.

Figure 18 illustrates a kind of typical screen image, and it can be used for operating means as shown in figure 17.

Figure 19 is a kind of modification of operating means shown in Figure 17.

Figure 20-24 represents operating means shown in Figure 17 in more detail, and wherein Figure 20 represents the section XX-XX of Figure 17 and 23, and Figure 21 represents the section XXI-XXI in Figure 17 and 23, and Figure 22 is the XXII-XXII section among Figure 23, and Figure 23 is the XIII-XIII section among Figure 21.

Figure 24 surface is along the sectional view that XXIV-XXIV got among Figure 18.

Figure 25 represents the 6th kind of specific embodiment of operating means of the present invention.

Figure 26 represents the horizontal cross-section by the device of Figure 25.

Figure 27 represents the XXVII-XXVII section of Figure 26, and Figure 28 is the XXVIII-XXVIII section of Figure 26.

Figure 29 is the 7th a kind of specific embodiment of operating means of the present invention.

Figure 30 is the XXX-XXX section of Figure 29.

Figure 31 is the XXXI-XXXI section of Figure 29.

Figure 32 is the XXXII-XXXII section of Figure 29.

Figure 33 is the synoptic diagram according to switch contact shown in the label XXXIII-XXXIII among Figure 30 and control element sliding contact.

Figure 34 is the schematic diagram according to operating means shown in Figure 29-33.

Figure 35 is the 8th a kind of specific embodiment of operations according to the instant invention device.

Figure 1 shows that an operating means 1 that is used for electronic functional equipment, it can interact the words that need with display unit 2 shown in Figure 2, this device has a control element 3, it be can press to start a kind of switching function, and can carry out the step-by-step movement motion at longitudinal direction with respect to operating means shell 4 (see figure 3)s, the motion of control element 3 preferably has indication, and this device also has device 5-7 and the 8-10 that is used for detecting the motion of control element step-by-step movement simultaneously.One first switch 11 is housed respectively on each limit of control element 3 motion paths and 12, two switches of a second switch can both be pressed in the z direction.Switch 11 and 12 has switch knob 11 ', 12 ' respectively, is used for starting each switching function.Also have one the 3rd switch (representing with label 13) to link to each other herein with control element 3.Control element 3 can overcome the effect of spring and depress, to start the 3rd switch.Above-mentioned first, second is mutually related with the 3rd switch 11-13, so that control element 3 is regulated three possible selections that the x direction is provided in each stepping of y direction.Control element 3 is contained in the slide block 14, can be pressed, and is provided with the sliding contact that some link to each other with switch 13 below slide block, and simultaneously sliding contact (this sentences label 13 ' and 13 " expression) forms and the contact of bus 15,16.Control element 3 can be carried out the step-by-step movement motion by a pair of by spring-loaded projection 17,18, this to projection continuously with operating means shell 19 on tooth-like part of anything 17 ', 18 ' be meshed.The device that is used for detecting the step-by-step movement motion of control element 3 can comprise two light sources, and wherein each and a pair of corresponding optical receiver 6,7 and 9,10 are got in touch with mutually.In the primary importance (as shown in Figure 3) of control element, all optical receivers 6,7,9,10 all do not receive light.

At next stepping position, will carry out optical communication between light source 5 and the receiver 6; To receive light in addition at next position optical receiver 7; In another position, will carry out optical communication again between light source 8 and the optical receiver 9; In last position of control element 3, will carry out optical communication again between light source 8 and the optical receiver 10.

Thereby when control element 3 during along its path movement, cursor 20 (see figure 2)s will mark the related symbol that appears on the display screen 2, literal or numeral.In illustrated control element 3 positions, will demonstrate the mark 20 of numeral 7,8 and 9.Press control element 3 starting switches 13, will select for example numeral 8, and press release knob 11 ', thereby select numeral 7 starting switch 11.For the numeral of selecting to be correlated with switch 12 9 also is the same.

Also can see similar structures shown in Fig. 1 and 3-6 from Fig. 7 to 11.In these figure, control element is represented with label 21, and the on ﹠ off switch of

switch

11 and 12 is represented with label 11 ' and 12 '.Yet should be pointed out that control element 21 is supported in the slide block 22 rotationally around an axle 23, and in this case, the 3rd switch 13 is replaced by a rocker switch, it has two effective position of the switch, uses numeral 24,25 expressions respectively.For surveying control element 21 rotation,, some contact points 26 have been loaded onto so that detect switch 24 or switch 25 is activated around axle 23.In this case, for the sake of simplicity, survey the stepping position of control element without optical means, and replace a bus 27 and a row conductiving point 28 that is installed on the base 29 (a for example printed circuit board).

For example, when control element 21 is pressed the counterclockwise rotation with respect to the position of Figure 11, switch 24 will be activated.Rotate as pressing clockwise, then starting switch 25.Sliding contact 30 on

slide block

22 and 31 will form respectively and the contacting of continuous conductor 27 and otch 28 (see figure 10)s.Therefore always can survey the stepping position of control element 21 quite exactly.

The same with the device for carrying out said shown in Fig. 3 and 5, the stepping position of control element 21 is to be locked by the

mortise pin

35,36 that groove on the operating control shell 34 32,33 and a pair of spring carry in addition, this is identical to that effect to mortise pin 17,18 shown in mortise pin and Fig. 3 and 5.

Figure 12 and 13 is a kind of modification of Fig. 7-11 illustrated embodiment.The slide position determine basically the same shown in Fig. 9-11, therefore just no longer repeat specification here.But to point out that this sentences the control element that label 37 marks and comprises two parts 37 ' and 37 ".In this case, needn't rotate control element 37, but as long as and press just starting switch 24 of control element part 37 ', perhaps press control element part 37 " starting switch 25, also can press the part 37 ' and 37 of control element simultaneously " with while starting switch 24 and 25.Directly find out thus,, then except rotating control element forward or backward, can also start two

switches

24 and 25 simultaneously by directly pushing control element as the mounting hole 23 ' of Fig. 9 and 11 axis 23 is done ovalization.From the device for carrying out said shown in Figure 12 and 13 as can be known, start 24 and 25, can allow the stepping position of operating means slide block 22 have 4 or 5 kind of selection by 11,12,24,25 or one of starting switches respectively.

As from Figure 14 as seen, we can be from simple menu, at this moment by rotating control element or pushing its part or another part can start some part of menu.But, can understand from Figure 15, it is similar that this operating means and Fig. 2 are explained, basically relevant with the x/y motion, the step-by-step movement motion forward or backward of y movement representation control element wherein, and x is illustrated in the several switch activated selection that can have in the z direction under the y position of each control element.

Do more detailed description in conjunction with Figure 20-24 couple Figure 16 and 17 now.

Figure 16 represents a control element 38, and it can rotate with respect to the operating means shell, and can be by pushing this control element 38 to start a switching function.In addition, respectively be provided with one first switch 39 and a second switch 40 on each limit of control element sense of rotation motion path, they are started by push switch button 39 ', 40 ' respectively.

About control element 38, be provided with a detector relevant (comprising a light source 41 and an optical receiver 42) with its rotation, when control element rotates, utilize the hole of beating in control element in succession 43 to detect light and whether pass through.If control element 38 is pressed, the

3rd switch

44,45 just are activated (this switch comprises a light source 44 and an optical receiver 45 in a preferred embodiment), if overcome the effect of spring 46 control element 38 are pressed, and then the light-path between light source 44 and the optical receiver 45 is disconnected.Certainly, also can be without light source 44 and optical receiver 45, and face control element 38 below (also promptly between light source 41 and optical receiver 42) settle an electric mechanical switch.

Figure 22 understands pushing of control element in more detail.Do step-by-step movement motion in order to ensure control element 38, engage with these holes in succession by spring loaded steel ball being provided with many 47, one of shrinkage pools on the annulus of being positioned on this element.Therefore, the user of control element can feel very for certain that it is to do the step-by-step movement motion.Though also can adopt such as other schemes such as electric mechanical switchs, adopt photovoltaic (light source shown in Figure 20-23 and optical receiver) more superior in practicality.

Respectively represent the first, the second and the 3rd switch by the switching functions of

label

39,40 and 44,45 expressions respectively, they provide three kinds to control element 38 each stepping positions may select to operating means jointly.

The axial dimension of the control element among Figure 17 is quite big.Represent control element with 49 among the figure, operate shift knob 50 ', the 51 ' expression of first and second switches respectively.Can find out also that from figure the same with device for carrying out said among Figure 16, shift knob is provided in a side of each limit of control element, parallels with its plane of movement.When push switch button 50 ' as shown in Figure 24 and 51 ', they are with master cock 50,51.In addition, the mode of operation of control element 49 is described identical with Figure 20-23, thereby need not explain again.Can find out that also the light hole of control element 49 also is to represent with label 43 in this figure, and with pair of detectors to 41,42 uses that cooperatively interact.Can see that in Figure 21 control element 38 can be around axle 38 ' rotation, same control element 49 can be around axle 49 ' rotation.In addition, in the device for carrying out said shown in Figure 17 and 24,

switch

50,51 and one the 3rd switch (it to comprise that light source 44 is similar with the switch of optical receiver 45) will provide three kinds to control element 49 each stepping positions may select to operating means.

Figure 19 illustrates another kind of modification, wherein uses the control element of label 49 ' expression to move in menu or analog along the y direction.Control element not necessarily needs switching function, and can be by shift knob 49 " (it controls one the 3rd switch 49 ") play on-off action, control the first and the 3rd switch 50 respectively by

button

50 and 51 simultaneously ", 51 ".Therefore, control element 49 ' will provide the motion of y direction, and shift knob will be controlled selection x position from four kinds of each stepping y position may be selected.

Figure 25-28 represents another operating means, wherein there is one with respect to operating means shell 52 movable and depressible control elements 53, it adopts the form of driving-belt, the motion of control element preferably can indicate, and this device has a device (preferably electrooptical device) to be used for detecting the step-by-step movement motion of control element simultaneously.On each limit parallel with control element direction of motion one first switch 54 and a second switch 55 are arranged respectively, they are started by shift knob 54 ' and 55 ' respectively.

The reduction campaign of control element 53 is detected by the 3rd switch 56.The band that constitutes control element is continuously around two rollers 57 and 58 runnings.The 4th switch adopts the form of a light source 59 and an optical receiver 60, detects the step-by-step movement motion of control element 53 by it, and roller 57 and 58 rotation are caused by control element.Therefore roller 57 rotations have many holes 61 of extending vertically on the roller 57 (rotating around it), in case will be detected by the 4th switch 59,60 in succession by the light in these holes 61 and the light of blocking with 53.For guaranteeing that belt control element 53 can move by step-by-step movement, on a roller 58, preferably be provided with 62, one of some recess and engage with these depressions in succession by spring-loaded engage ball 63.Roller 57 and 58 can rotate around axle 57 ' and 58 ' separately.

As can be seen from Figure 27, slide on a band bearing 64 with 53.When being with 53 to be pressed towards following time, band bearing 64 also is pressed downward simultaneously, thereby starts the switch of being supported by base member 65 56, also can select base member is made the part of actual operating means shell 52.

Also can utilize spring-loaded ball 63 grades to form one the 4th switch,, detect the step-by-step movement motion of band to replace light source 59 and optical receiver 60, and and then the stepping rotation of measuring roll 57.

Figure 29-34 is the another kind of embodiment of operating means, this operating means has a slide block 66, the control element 67 that it has can travel longitudinally with respect to operating means shell 68, the motion of slide block and control element preferably can show, settled many contact points 69 and a bow strip 70 in the base portion 68 ' of operating means, they respectively the sliding contact 69 ' and 70 ' below slide block 66 have and electrically contact.One first switch 71 and a second switch 72 are respectively arranged on each limit in slide block movement path, and they are respectively by shift knob 71 " and 72 " start.

With slide block 66 that control element 67 links to each other on be provided with one the 3rd switch 73, as start this switch and can push control element 67.A contact of switch can be located on the above-mentioned base member 68 ', and represents with label 73 '.During beginning, provide three kinds of possible selections for operating means by the above-mentioned the first, the second and the 3rd switch.

If slide block 66 overcomes the effect of first spring 74 and is pushed to the position shown in 75 among Figure 34, sliding contact 69 ' will with contact 69 " contact (seeing Figure 33).If utilize control element 67 to make slide block 66 overcome the effect of spring 76 and be pushed in the opposite direction, then sliding contact 69 ' will with contact 69 " " contact, slide block will move to position shown in Figure 34 77 then.In the normal position (center), sliding contact 69 ' will contact with contact 69 .Therefore, slide block is in sliding contact 69 ' and contact 69 ", 69 , 69 " " one of contact point on motion just indicate the position of slide block, and current path forms by bus-bar 70 and sliding contact 70 '.The surface of contact 71 that links to each other with 72 with switch 71 " and 72 " can be on the base member 68 '.In another kind of operating means embodiment as shown in figure 35, one group of shift knob 78-82 relevant with function is housed, these buttons can be pushed in the z direction, to start corresponding switch.Switch 78,79,80 form the first, the second, the 3rd switch of x direction respectively.The 4th switch 81, second switch 79 and the 5th switch 82 form the switch arrays of y direction together.The the first, the second and the 3rd switch is associated with each other, so that to a selection that three kinds of possible x directions are provided by the some y direction select locations of determining in startup the 4th and the 5th switch 81,82.The operating means shell is in the drawings with label 83 expressions.

Claims

1. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this operating means has a control element that can be pressed, to start a kind of switching function, the step-by-step movement motion of control element can be lengthwise movement or the rotation with respect to the shell of operating means, the motion of control element preferably can be instructed to out, and this device has the device that is used to detect the motion of control element step-by-step movement, it is characterized in that:

Each side at the control element motion path respectively is provided with first and second switches, and they can both be pressed in the z direction;

Be provided with the 3rd switch that links to each other with control element, control element is arranged to press to start the 3rd switch;

Described first, second and the 3rd switch are inter-related, think that control element provides along three kinds of the x direction and may select at each stepping position of y direction.

2. operating means as claimed in claim 1 is characterized in that:

Control element can pivot, so that the 3rd switch can be used as a rocker switch with two effective position of the switch, and/or as the push switch with an effective position of the switch.

3. operating means as claimed in claim 1 is characterized in that:

Control element is divided into two parts, and is suitable for starting first switch sections and the second switch part of the 3rd switch, and these switch sections are independent of each other, and perhaps the both is arranged to start their corresponding switching functions.

4. operating means that is used for electronic functional equipment, it can be selected and interact with a display unit, it has a shift knob relevant with function that is mounted on the operating means shell, and the operation of one or several button preferably can be instructed to out, it is characterized in that:

Be provided with five shift knobs that can press in the z direction;

One first switch, second switch and one the 3rd switch arranged along the x direction, and one the 4th switch, described second switch and one the 5th switch form switch arrays along the y direction;

The described the first, the second and the 3rd switch is inter-related, a select location along the y direction being provided the selection of three possible x directions, is to determine by starting some in the 4th and the 5th switch along the select location of y direction.

5. the operating means of an electronic functional equipment, it can select to interact with a display unit, this device has a slide block that has control element, slide block can be with respect to the lengthwise movement of operating means shell, the motion of slide block preferably can be instructed to out, and this device has the device that is used to detect the motion of slide block step-by-step movement, it is characterized in that:

Each side in the slide block movement path is respectively equipped with first and second switches;

Provide several groups of light sources and optical receiver along the slide block movement path, the motion of slide block is blocked the light-path between light source and the optical receiver or open;

With slide block that control element links to each other on be provided with one the 3rd switch, control element can be pressed to start the 3rd switch;

The described the first, the second and the 3rd switch provides three kinds of possible selections for operating means at each stepping position of slide block.

6. operating means as claimed in claim 5 is characterized in that:

Be provided with several sliding contacts below slide block, they contact with corresponding bow strip in the shell.

7. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this device has a slide block that has control element, this slide block can travel longitudinally with respect to the operating means shell, the motion of slide block preferably can be instructed to out, and this device has the device that detects the motion of slide block step-by-step movement, it is characterized in that:

Be provided with a bow strip and contact point that some are parallel with it in described shell along the slide block movement path, corresponding sliding contact when slide block is done the step-by-step movement motion above the slide block and bow strip contact with in succession contact point formation;

With slide block that control element links to each other on locate to be provided with third and fourth switch, the start-up control element then can start one or two in third and fourth switch;

The first, the second, third and fourth switch provides four kinds or five kinds of possible selections for operating means at each stepping position of slide block.

8. operating means as claimed in claim 7 is characterized in that:

Described third and fourth switch can contact with contact in the shell at a corresponding stepping position of slide block;

Described third and fourth switch also forms with bow strip by a described sliding contact and contacts.

9. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this device has a colyliform, roller shape or columned control element, it can rotate and press with respect to the operating means shell, rotatablely moving of control element preferably can indicate, and this device has the electrooptical device that is used for detecting the motion of control element step-by-step movement, it is characterized in that:

Each side in the slide block movement path is respectively equipped with one first and second switch;

The motion that control element is pressed is suitable for being detected by the 3rd switch that comprises electric light source and optical receiver, and the light path between light source and the optical receiver is blocked in moving downward then of control element.

One is adopted the step-by-step movement of the 4th switch detection control element of light source and optical receiver form to rotatablely move;

The described the first, the second and the 3rd switch provides three kinds of possible selections for operating means at each stepping position of control element.

10. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this device has a control element that is the travelling belt form, this control element can and can be pressed with respect to the motion of operating means shell, the motion of control element preferably can be revealed, this device has the electrooptical device that is used for detecting the motion of slide block step-by-step movement, it is characterized in that:

The motion that is pressed of control element is suitable for being detected by the 3rd switch;

Adopt the 4th switch of light source and optical receiver form to detect the step-by-step movement motion of control element, travelling belt is provided with many axially extended holes around one of roller of its operation, thereby the light-path that detects light-path in succession and be blocked along with the energy of rotation of roller;

The the first, the second and the 3rd switch provides three kinds of possible selections for operating means at each stepping position of control element.

11. operating means as claimed in claim 10 is characterized in that:

Band in the roller of its operation one or another have several recess, are used for and ball and spring is done to throw off engages, with the step-by-step movement motion of index strip.

12. the operating means of an electronic functional equipment, it can select to interact with a display unit, this device has the control element that adopts the travelling belt form, band can and be pressed with respect to the motion of operating means shell, the motion of control element preferably can show, described device has the electrooptical device of the step-by-step movement motion that is used for detecting slide block, it is characterized in that:

The motion that is pressed of described control element is suitable for being detected by one the 3rd switch;

Detect the step-by-step movement motion of control element by the 4th switch of a band ball and spring, band in the roller of its operation is provided with a plurality of recess, depression is used for the position of master cock, simultaneously ball and each recess throw off engage the indication that the step-by-step movement that forms band is moved; The described the first, the second and the 3rd switch provides three kinds of possible selections for operating means at each stepping position of control element.

13. operating means that is used for electronic functional equipment, it can select with a display unit mutual, this device has a slide block that has control element, slide block can travel longitudinally with respect to the operating means shell, the motion of slide block preferably can show, this device has the device that is used to detect slide block movement, it is characterized in that:

Motion path along slide block in housing is provided with a bow strip and parallel with it a plurality of contact points, and when slide block moved forward and backward with respect to its center, each sliding contact on the slide block formed with follow-up each contact point with bow strip and contacts;

With slide block that control element links to each other on be provided with one the 3rd switch, be used for starting this switch by pushing control element;

14. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this device has the control element that can press to start a kind of switching function, and control element preferably can rotate with respect to the operating means shell, the motion of control element preferably can show, this device has the device of the step-by-step movement motion that detects control element, it is characterized in that:

Direction at the control element motion path is respectively equipped with the first, the second and the 3rd switch, and they all can be pressed in the z direction;

The described the first, the second and the 3rd switch is inter-related, so that may select for control element is provided at three kinds of x direction at each stepping position of y direction.

15. operating means that is used for electronic functional equipment, it can select to interact with a display unit, this device has one and is band shape, roller shape or columned control element, control element can and can be chosen as with respect to the operating means shell and can press with respect to the rotation of operating means shell, the rotation of control element preferably can show, this device has and is used to detect the electrooptical device that the control element step-by-step movement rotatablely moves, and it is characterized in that:

Be respectively equipped with the first, the second and the 3rd switch along the control section vertical with the direction of motion of control element;

The 4th switch detects the step-by-step movement motion of control element;

The described the first, the second and the 3rd switch provides three kinds of possible selections at each stepping position of control element for operating means.

16. operating means as claimed in claim 15, wherein control element adopts the travelling belt form, it is characterized in that:

The 4th switch adopts the form of light source and optical receiver, be used for detecting the step-by-step movement motion of control element, wherein, make when roller rotates, just can detect the light-path of light-path and blocking-up in succession with being provided with a plurality of axially extended holes around one in the roller of its operation.

17. operating means as claimed in claim 16 is characterized in that:

Band is provided with the joint of throwing off of some recess or band ball and spring around certain roller of its operation, is used to refer to the step-by-step movement motion of band.

18. operating means as claimed in claim 15 is characterized in that:

The 4th switch has a ball and spring, be used for detecting effectively the step-by-step movement motion of control element, band is provided with a plurality of recess around one of roller of its operation, is used for the position of master cock, can provide the indication of the step-by-step movement motion of band simultaneously when ball and each depression produce releasable connection.