CN100514522C - Inductive device - Google Patents
Inductive device Download PDFInfo
- Publication number
- CN100514522C CN100514522C CNB2006100725637A CN200610072563A CN100514522C CN 100514522 C CN100514522 C CN 100514522C CN B2006100725637 A CNB2006100725637 A CN B2006100725637A CN 200610072563 A CN200610072563 A CN 200610072563A CN 100514522 C CN100514522 C CN 100514522C
- Authority
- CN
- China
- Prior art keywords
- terminal
- main part
- induction installation
- extension
- face
- 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.)
- Active
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The sensing device includes following parts: a hollow seat; two terminal units with opposite first side face and second side face installed and positioned inside the hollow seat; current conducting ball located in a accommodation hole in the seat and position-limited by the terminal units. Each terminal unit includes separated a first terminal and a second terminal. Each first terminal and second terminal possesses a main body portion, a terminal portion extended from the main body portion along upright direction, and an extension portion extended from inner side face of the main body portion along horizontal direction. When the sensing device is installed on a circuit base plate vertically, the ball contacts second terminals only so that the sensing device is in off state. When the sensing device is tilted, the ball contacts first terminals and second terminals as well so that the sensing device is in on state. The invention possesses good sensing effect.
Description
Technical field
The present invention relates to a kind of switch, particularly relate to a kind of induction installation that is used for electronic product.
Background technology
Consult Fig. 1, Fig. 2, a kind of existing ball switch 100 has a shell 101, a ball 102, four terminals 103 and chocks 104.
During assembling, this ball 102 is inserted in this shell 101, and with the opening of this this shell 101 of chock 104 blockings to stop this ball 102, utilize a tool (figure do not show) that four perforation 1041 that described terminal 103 inserts these chocks 104 are all stretched in this shell 101 to each tapering 1031 again, just can finish assembling.
Though this ball switch 100 can obtain the application target of conducting by this described tapering 1031 of ball 102 contacts, but, because described terminal 103 is vacant state when inserting this shell 101, so the precision of tool operation must be very high, just can make described tapering 1031 concordant to produce switch motion, as long as there is the potential difference will be ineffective slightly, in addition, 103 of described terminals pass through to insert described perforation 1041 and obtain the location, steadiness is not good, very easily produces the induction sensitivity of rocking and then influence this ball switch 100 because of external force factor.
This ball switch 100 uprightly is installed on the use pattern that a circuit substrate 105 is used for normally open as shown in Figure 2 except adopting, also can bend described terminal 103 as shown in Figure 3 earlier and be installed on this circuit substrate 105 again, make tool one angle theta between this shell 101 and this circuit substrate 105 be used for the use pattern of normally off, because these shell 101 unsettled being easy to cause this ball switch 100 ineffective relative using characters that influence because external force factor changes this angle theta.
In addition, the ball 102 of this ball switch 100 is in rolling process, can contact with this shell 101, when this shell 101 time is not cleaned and during residual dust in encapsulation, to cause dust to be stained with the surface that sticks in this ball 102, cause the conductivity variation of this ball 102 and described terminal 103, and then influence the conducting effect of this ball switch.
Summary of the invention
First purpose of the present invention provides a kind of induction installation that can improve location steadiness, the induction sensitivity of terminal and can guarantee using character.
Second purpose of the present invention provides a kind of induction installation with good conducting effect.Induction installation of the present invention comprises a hollow base frame, two terminal units, an and ball, this hollow base frame is made by insulating material, comprise one first side and one second side that are reverse, one is communicated with the containing hole of this first side and this second side, and is arranged at a plurality of assembled portion of this first side and this second side respectively.
Described terminal unit is mounted on this first side and this second side respectively, and each terminal unit respectively comprises a first terminal and one second terminal of space.Each the first terminal respectively has a main part, be arranged at a plurality of junction surfaces of this main part in order to combine with described assembled portion, one from this main part along always cube to the portion of terminal of extending, and one extend and away from the extension of this portion of terminal, this extension has a face that touches in the face of this portion of terminal along a horizontal direction from a medial surface of this main part.Each second terminal respectively has a main part, be arranged at a plurality of junction surfaces of this main part in order to combine with described assembled portion, one from this main part along always cube to the portion of terminal of extending, and one extend and near the extension of this portion of terminal along a horizontal direction from a medial surface of this main part, and this extension has a supporting face that is in reverse to this portion of terminal.
This ball is made by electric conducting material and is positioned at this containing hole and is subjected to that described terminal unit is spacing not to be dropped out.
When this induction installation uprightly is installed on a circuit substrate, then this ball falls to putting at the supporting face of described second terminal and does not contact described the first terminal, make this induction installation be in a conducting state not, when being subjected to external force, this induction installation produces, then this ball rolls towards described the first terminal and contacts described the first terminal simultaneously, second terminal, make this induction installation metamorphosis be in a conducting state, can pass through described the first terminal, the second terminal installing and locating is in first side of this hollow base frame, second side is to obtain preferable strong fix effect, it is good to make the present invention have the conducting effect, can guarantee the operating characteristic of using character, in addition, do not contact this hollow base frame by this ball, then make the present invention have the characteristic that can keep good conducting effect.
Description of drawings
Fig. 1 is an a kind of exploded perspective view of existing ball switch;
Fig. 2 is an assembled sectional view of existing ball switch, illustrates uprightly to be installed on a circuit substrate;
Fig. 3 one is similar to the view of Fig. 2, bending number Zhi Duanzi is described and is installed on this circuit substrate, makes between a shell and this circuit substrate to have an angle;
Fig. 4 is an exploded perspective view of induction installation one first preferred embodiment of the present invention;
Fig. 5 is a combination stereogram of this first preferred embodiment;
Fig. 6 is one along the obtained cutaway view of the straight line 6-6 among Fig. 5, illustrates that this induction installation uprightly is installed on a upper surface of a circuit substrate;
Fig. 7 is a perspective elevation of this first preferred embodiment, illustrates that this induction installation is in a conducting state not;
Fig. 8 one is similar to the view of Fig. 7, illustrates that this induction installation is in a conducting state;
Fig. 9 one is similar to the view of Fig. 7, illustrates that this induction installation is in not conducting state;
Figure 10 one is similar to the view of Fig. 6, illustrates that this induction installation uprightly is installed on a lower surface of this circuit substrate;
Figure 11 is an exploded perspective view of inductive switch one second preferable enforcement of the present invention;
Figure 12 is a combination stereogram of this second preferred embodiment;
Figure 13 is one along the obtained cutaway view of the straight line 13-13 among Figure 12, illustrates that this induction installation uprightly is installed on the upper surface of this circuit substrate;
Figure 14 one is similar to the view of Figure 13, illustrates that this induction installation uprightly is installed on the lower surface of this circuit substrate;
Figure 15 is an exploded perspective view of inductive switch 1 the 3rd preferable enforcement of the present invention;
Figure 16 is that schematic diagram is used in one of the 3rd preferred embodiment, and the upper surface that is mounted on this circuit substrate is described;
Figure 17 is an exploded perspective view of inductive switch 1 the 4th preferable enforcement of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the induction installation that foundation the present invention proposes is elaborated.
Before the present invention is described in detail, be noted that employed relative position term in the following description content, be benchmark as " horizontal direction X ", " vertical direction Y " with the direction shown in each figure, and similar elements is represented with identical numbering.
Consult Fig. 4, Fig. 5, Fig. 6, induction installation one first preferred embodiment of the present invention comprises a hollow base frame 1, two-terminal unit 200, and a ball 4.
This hollow base frame 1 is made by the insulation material, comprise that one first side 11 that is reverse is communicated with the containing hole 13 of this first side 11 and this second side 12 with one second side 12,, and a plurality of respectively from this first side 11, these second side, 12 outward extending assembled portion 14.In the present embodiment, described assembled portion 14 is a projection.
Described terminal unit 200 is mounted on first side 11 and this second side 12 of this hollow base frame 1 respectively, and each terminal unit 200 respectively comprises a first terminal 2 and one second terminal 3 of space.
Described the first terminal 2 is made of metal, and the present invention is made by copper material.Each the first terminal 2 respectively has a main part 21 along this vertical direction Y extension, be arranged at the junction surface 22 of this main part 21 respectively in order to combine with described assembled portion 14, one brings the portion of terminal 23 of extension together from this main part 21 along this vertical direction Y, and one extend and away from the extension 24 of this portion of terminal 23, this main part 21 also forms two shoulders 25 with the intersection of this portion of terminal 23 along this horizontal direction X from a medial surface 211 of this main part 21.
This junction surface 22 is perforation in the present embodiment, make this second terminal 2 be positioned this first side 11, this second side 12 in order to be sheathed on this group connecting part 14, though this group connecting part 14 is lifted projection respectively in the present embodiment with this junction surface 22, perforation describes, actual this group connecting part 14 can be perforation, this junction surface 22 can be projection relatively.
This extension 24 has a face that touches 241 in the face of this portion of terminal 23, this touches face 241 and has a blind end 242 that is connected with this medial surface 211 and a free end 243 that is reverse, and this touches face 241 and descends gradually towards this free end 243 from this blind end 242, this touches between a face 241 and the horizontal plane (figure does not show) and forms an angle theta relatively, the present invention is made as 15 degree with this angle theta, but in fact this angle theta can be according to the user demand setting.
Described second terminal 3 is made of metal, and the present invention is made by copper material.Each second terminal 3 respectively has a main part 31 along this vertical direction Y extension, be arranged at the junction surface 32 of this main part 31 respectively in order to combine with described assembled portion 14, one brings the portion of terminal 33 of extension together from this main part 31 along this vertical direction Y, and one extend and near the extension 34 of this portion of terminal 33, this main part 31 also forms two shoulders 35 with the intersection of this portion of terminal 33 along this horizontal direction X from a medial surface 311 of this main part 31.
This junction surface 32 is perforation in the present embodiment, make this second terminal 3 be positioned this first side 11, this second side 12 in order to be sheathed on this group connecting part 14, though this group connecting part 14 is lifted projection respectively in the present embodiment with this junction surface 32, perforation describes, actual this group connecting part 14 can be perforation, this junction surface 22 can be projection relatively.
This extension 34 has a supporting face 341 that is in reverse to this portion of terminal 33, this supporting face 341 has a blind end 342 that is connected with this medial surface 311 and a free end 343 that is reverse, and this supporting face 341 rises towards this free end 343 gradually from this blind end 342, this supporting face 341 and a horizontal plane do not form an angle theta between (figure shows) relatively, the present invention is made as 15 degree with this angle theta, but in fact this angle theta can be according to the user demand setting.
This ball 4 is made by electric conducting material, and the present invention makes with copper material, is the containing hole 13 that rollably is arranged in this hollow base frame 1.
During assembling, earlier this ball 4 is inserted in the containing hole 13 of this hollow base frame 1, then with the junction surface 22 of described the first terminal 2 and the corresponding respectively assembled portion 14 that is sheathed on this hollow base frame 1 in junction surface 32 of described second terminal 3, this ball 4 is positioned at be positioned at this containing hole 13 relatively vacantly on the extension 34 of described second terminal 3 and does not contact this hollow base frame 1, again described assembled portion 14 being imposed hot melt hole enlargement rivet clasp handles, just can make described the first terminal 2, second terminal 3 is mounted on first side 11 of this hollow base frame 1 respectively, second side 12, at this moment, the extension 24 that this ball 4 can be subjected to described the first terminal 2 stops with the extension 34 of described second terminal 3, just is subjected to spacingly can not dropping out outside this containing hole 13 relatively.
Consult Fig. 5, Fig. 6, Fig. 7, when a upper surface 51 that this induction installation is mounted on a circuit substrate 5, and when being in a horizontal level, this ball 4 falls to putting on second terminal 3 of described terminal unit 200, contact the medial surface 311 of described main part 31 and the supporting face 341 of described extension 34 simultaneously, this moment, this induction installation was in not conducting (OFF) state relatively because this ball 4 does not contact described the first terminal 2.
Consult Fig. 8, when being subjected to external force, this induction installation produces, and the angle of inclination is just spent greater than 15 greater than described angle theta, then these ball 4 meetings are rolled towards the direction of described the first terminal 2 along the supporting face 341 of the extension 34 of described second terminal 3, the medial surface 311 that breaks away from the main part 31 of described second terminal 3 when this ball 4, and touch the medial surface 211 of supporting face 341 and the main part 21 of described the first terminal 2 of the extension 34 of described second terminal 3, this moment is because this ball 4 contacts described the first terminal 2 simultaneously, second terminal 3, this induction installation transition is in a conducting (ON) state relatively.
Consult Fig. 9, when this induction installation tilts to 90 degree gradually by the state of Fig. 8, then this ball 4 can roll until touching the described face 241 that touches towards the extension 24 of described the first terminal 2, at this moment, this ball 4 falls to putting on described second terminal 2, and break away from described second terminal 3 and contact the face that touches 241 of medial surface 211 and described extension 24 of the main part 21 of described the first terminal 2, this moment because this ball 4 do not contact described second terminal 3, make this induction installation again transition be in not conducting (OFF) state.
What deserves to be explained is, this induction installation is except the use pattern that can be the upper surface 51 that uprightly is mounted on this circuit substrate 5 shown in Figure 6, also can be the use pattern that uprightly is mounted on a lower surface 52 of this circuit substrate 5 shown in Figure 10, its function of use is identical with the described upper surface 51 that is mounted on this circuit substrate 5, repeats no more.
As mentioned above, compared to existing ball switch 100, because the first terminal 2 of the present invention, second terminal 3 is mounted on first side 11 of this hollow base frame 1, second side 12, because of causing, unsettled installing stretches in this shell the problem that 11 length differs so can overcome several Zhi Duanzi 13 of existing ball switch 100, in addition, described main part 21,31 with described extension 24,34 are tabular design, can increase the contact area of this ball 4, can improve the conducting effect relatively, moreover, the face that touches 241 of described extension 24 can be arranged to predetermined angle θ according to user demand with the supporting face 341 of described extension 34, not only can increase ease of use, and have easily manufactured, can guarantee the characteristic of using character.
Consult Figure 11, Figure 12, Figure 13, the identical difference that comprises a hollow base frame 1, two-terminal unit 200 and a ball 4, two embodiment with this first preferred embodiment of induction installation one second preferred embodiment of the present invention is in this second preferred embodiment and also comprises a shell 6 and an enclosing cover 7.
The square type hollow housing that this shell 6 one is made by insulating material, comprise a basal wall 61, one extends and defines the peripheral wall 64 of a room 62 and an opening port 63 from this basal wall 61 along this vertical direction Y, one location notch 65 that is arranged with from an inner surface 611 of this basal wall 61, and be arranged at this peripheral wall 64 and mutually in the face of and near two holding pieces 66 of this opening port 63.
This ball 4, this hollow base frame 1 and described terminal unit 200 are installed in the room 62 of this shell 6, set in this location notch 65 part of a sidewall 16 of this hollow base frame 1 and described the first terminal 2, second terminal 3 simultaneously, at this moment, this ball 4 does not contact this shell 6.
This enclosing cover 7 is made by insulating material, comprise a body 71 in order to the opening port 63 that seals this shell 6, inner face 711 from this body 71 extends also and can set piece 72 with two that described holding piece 66 mutual holdings combine along this vertical direction Y, and runs through four perforation 73 that these body 71 usefulness pass for described portion of terminal 23,33 along this vertical direction Y.
When this enclosing cover 7 being inserted the room 62 of this shell 6 and sealing this opening port 63, the inner face 711 of this body 71 installs the shoulder 25 in described the first terminal 2, the shoulder 35 of described second terminal 3 just simultaneously, can make described the first terminal 2, second terminal 3 inserted and put to strengthen firm effect with this shell 6 by this enclosing cover 7, at last viscose 8 is injected the gap of 23,33 of described perforation 73 and described portion of terminal, reach the gap of 64 of this body 71 and this peripheral walls, by the time after this viscose 8 solidifies, just can finish the assembling operation of this induction installation.
Figure 13 explanation uprightly is mounted on the induction installation of this second preferred embodiment the use pattern of the upper surface 51 of this circuit substrate 5, Figure 14 then illustrates the use pattern that the induction installation of this second preferred embodiment uprightly is mounted on the lower surface 51 of this circuit substrate 5, the function of use of this second preferred embodiment is identical with described first preferred embodiment, repeats no more.
In view of the above, described second preferred embodiment is except the characteristic with described first preferred embodiment, also can not contact the design of this hollow base frame 1 and this shell 6 by this ball 4, and then can avoid this ball 4 to be stained with the glutinous dust that residues in this hollow base frame 1 and this shell 6, can make this induction installation have good conducting effect, induction sensitivity relatively.
Consult Figure 15, Figure 16, not not existing together of induction installation 1 the 3rd preferred embodiment of the present invention and this second preferred embodiment, be that described portion of terminal 23,33 is after the perforation 73 that passes this enclosing cover 7, the curved respectively right angle kink 231,331 that sets out, (Surface MountTechnology: mode surface mount technology) is mounted on described kink 231,331 on this circuit substrate 5 can to adopt SMT, the 3rd preferred embodiment has identical function of use with this second preferred embodiment, no longer adds explanation at this.
Consult Figure 17, not not existing together of induction installation 1 the 4th preferred embodiment of the present invention and described first preferred embodiment, be the curved respectively right angle kink 231,331 that is provided with of described portion of terminal 23,33, (Surface Mount Technology: mode surface mount technology) is mounted on (figure does not show) on this circuit substrate 5 with described kink 231,331 can to adopt SMT, the 4th preferred embodiment has identical result of use, can produce identical effect with this first preferred embodiment, no longer adds explanation at this.
Conclude above-mentionedly, induction installation of the present invention has effect as described below and advantage, so can reach the object of the invention really:
One, is mounted on first side 11, second side 12 of this hollow base frame 1 by the assembly design at described assembled portion 14, junction surface 22,32 because of the first terminal 2 of the present invention, second terminal 3, it is good not only to locate steadiness, and can provide the more contact area of this ball 4 to promote the conducting effect, have the effect and the advantage that can improve induction sensitivity and can guarantee using character relatively.
Two, because the ball 4 of this first, fourth preferred embodiment of the present invention can not contact this hollow base frame 1, the ball 4 of this second and third preferred embodiment can not contact this hollow base frame 1 and this shell 6, so can avoid this ball 4 to be stained with the glutinous dust that residues in this hollow base frame 1, this shell 6, have relatively and can keep good conducting effect, the effect of guaranteeing induction sensitivity and advantage.
Three, because induction installation of the present invention can produce the result of use of two-way admittance by the design of described the first terminal 2, second terminal 3, so induction installation of the present invention is applicable to the upper surface 51 that is installed in this circuit substrate 5 or lower surface 5 and possess different use patterns, and then can satisfy the user demand of different electronic products.
Claims (7)
1. induction installation is characterized in that:
This induction installation comprises:
One hollow base frame is made by insulating material, comprises one first side and one second side that are oppositely arranged, and one is communicated with the containing hole of this first side and this second side, and is arranged at a plurality of assembled portion of this first side and this second side respectively;
Two terminal units are mounted on first side, second side of this hollow base frame respectively, and each terminal unit respectively comprises a first terminal and one second terminal of space;
Each the first terminal respectively has a main part, be arranged at a plurality of junction surfaces of this main part in order to combine with described assembled portion, one from this main part along always cube to the portion of terminal of extending, and one extend and away from the extension of this portion of terminal, this extension has a face that touches in the face of this portion of terminal along a horizontal direction from a medial surface of this main part;
Each second terminal respectively has a main part, be arranged at a plurality of junction surfaces of this main part in order to combine with described assembled portion, one from this main part along always cube to the portion of terminal of extending, and one extend and near the extension of this portion of terminal along a horizontal direction from a medial surface of this main part, and this extension has a supporting face that is in reverse to this portion of terminal; And
One ball, by electric conducting material make and be subjected to described the first terminal, second terminal is spacing and unsettled this containing hole that is positioned at.
2. induction installation according to claim 1 is characterized in that:
The mask that touches of this first terminal has a blind end of this main part medial surface of connection and an adjacent with it free end, this touches face and descends towards this free end from this blind end, the supporting face of this second terminal has a blind end of this main part medial surface of connection and an adjacent with it free end, and this supporting face rises towards this free end from this blind end.
3. induction installation according to claim 1 is characterized in that:
The assembled portion of this hollow base frame for respectively from this first side, the outward extending projection in second side, described the first terminal and the described second terminal junction surface are in order to be sheathed on the perforation of described projection.
4. induction installation according to claim 1 is characterized in that:
This induction installation also comprises a shell and an enclosing cover, this shell comprises a basal wall, and one extend and define the peripheral wall of a room and an opening port from this basal wall along this vertical direction, this hollow base frame, described the first terminal and described second terminal are inserted in this room, this enclosing cover comprises one in order to sealing the body of this opening port, and uses a plurality of perforation that pass for described the first terminal, second terminal.
5. induction installation according to claim 4 is characterized in that:
The portion of terminal of described the first terminal is brought extension from this main part together along this vertical direction, the intersection of this main part and this portion of terminal also forms two shoulders, use a inner face to install for this body, the portion of terminal of described second terminal is brought extension from this main part together along this vertical direction, the intersection of this main part and this portion of terminal also forms two shoulders, uses the inner face for this body to install.
6. induction installation according to claim 5 is characterized in that:
This shell also comprise be arranged at this peripheral wall and mutually in the face of and near two holding pieces of this opening port, this enclosing cover also comprises extending in order to what combine with the mutual holding of described holding piece along this vertical direction from the inner face of this body two sets piece.
7. induction installation according to claim 1 is characterized in that:
The portion of terminal of described the first terminal, second terminal respectively has a right angle kink.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100725637A CN100514522C (en) | 2006-04-07 | 2006-04-07 | Inductive device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100725637A CN100514522C (en) | 2006-04-07 | 2006-04-07 | Inductive device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101051578A CN101051578A (en) | 2007-10-10 |
CN100514522C true CN100514522C (en) | 2009-07-15 |
Family
ID=38782900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100725637A Active CN100514522C (en) | 2006-04-07 | 2006-04-07 | Inductive device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100514522C (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5252795A (en) * | 1992-04-30 | 1993-10-12 | Shin Jiuh Corp. | Tilt switch |
CN1250219A (en) * | 1998-10-01 | 2000-04-12 | 阿尔卑斯电气株式会社 | Tilt sensor |
-
2006
- 2006-04-07 CN CNB2006100725637A patent/CN100514522C/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5252795A (en) * | 1992-04-30 | 1993-10-12 | Shin Jiuh Corp. | Tilt switch |
CN1250219A (en) * | 1998-10-01 | 2000-04-12 | 阿尔卑斯电气株式会社 | Tilt sensor |
Also Published As
Publication number | Publication date |
---|---|
CN101051578A (en) | 2007-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104638403B (en) | Electric connector | |
CN201323362Y (en) | Electrical connector | |
JP6741865B2 (en) | Rectangular impact resistant leaf spring type connector | |
CN100505438C (en) | An IC socket and an IC socket assembly. | |
US20070020995A1 (en) | Adaptable electrical connector | |
CN105679563A (en) | Key structure | |
CN100514522C (en) | Inductive device | |
CN204464170U (en) | Multi-direction sensor | |
CN206976672U (en) | A kind of Kato and the mobile terminal with the Kato | |
CN206850757U (en) | A kind of Kato and the mobile terminal with the Kato | |
CN101136289B (en) | Input device | |
CN200941507Y (en) | Electronic card connector | |
CN101055817B (en) | Induction device | |
CN205303756U (en) | Electron card connector with prevent pin structure of bursting | |
CN107093820A (en) | A kind of Kato and the mobile terminal with the Kato | |
CN206834367U (en) | Electronic card coupler | |
CN206650046U (en) | A kind of breaker of plastic casing static contact | |
CN206479782U (en) | A kind of core part of quartz watch | |
CN100511543C (en) | Induction device | |
CN205356294U (en) | Automatic change plug -in components button spring | |
CN206022247U (en) | Flip-over type contact system and its relay | |
CN101843179B (en) | Device having at least two circuit boards | |
CN219040780U (en) | Spring structure of card connector and card connector | |
CN212463191U (en) | Touch key and array thereof | |
CN100378518C (en) | Liquid crystal display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |