CN1094238C - Electrical parts - Google Patents
Electrical parts Download PDFInfo
- Publication number
- CN1094238C CN1094238C CN971042454A CN97104245A CN1094238C CN 1094238 C CN1094238 C CN 1094238C CN 971042454 A CN971042454 A CN 971042454A CN 97104245 A CN97104245 A CN 97104245A CN 1094238 C CN1094238 C CN 1094238C
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- CN
- China
- Prior art keywords
- insulator
- mentioned
- mounting panel
- rotary body
- opening
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/26—Adjustable resistors resistive element moving
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
- H01C10/34—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path the contact or the associated conducting structure riding on collector formed as a ring or portion thereof
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Details Of Resistors (AREA)
Abstract
To prevent a flux, dusts or the like from intruding from one side of openings formed in an insulator into the interior of an electrical component by a method wherein the metallic insulator is mounted to a mounting plate by a pivot formed on the mounting plate, the openings are formed on the insulator and one side of the openings is blocked with the mounting plate. One side of an insulator 12 is formed into a semicircular shape, the side of the insulator 12 is provided with a linear surface 12m to form into a roughly a D-shaped form, and a plurality of elastic sliding member pieces 12a are integrally formed with this insulator 12. Square-shaped openings 12c, 12d and 12e for performing a bending work on the pieces 12a are respectively formed in the parts of those pieces 12a. Moreover, the insulator 12 is provided in such a way that the insulator 12 is mounted to a mounting plate 11 by a pivot 11b formed on the plate 11 and each one side of the openings 12c, 12d and 12e formed in the insulator 12 is clocked with the flat part 11j of the plate 11. Thereby, dusts or the like can be prevented from intruding from each one side of the openings 12c, 12d and 12e formed in the insulator 12 into the interior of an electrical component.
Description
The present invention relates to used electronic component in various audio frequency machines, the communication tool etc.
Relevant existing electronic component for example has the Japanese patent gazette spy to open the rotary variable resistor that discloses in clear 63-40301 number.
This existing rotary variable resistor such as Fig. 7 have the shaping resin round shown in Fig. 7 and handle knob 1 to shown in Figure 9, and there is circular port 1a in heart portion therein, and the narrow 1b of annulus portion is arranged near the periphery below.Outer circumferential side at the 1b of this annulus portion forms the arc-shaped slot 1d that has stopper section 1e.In the inboard of the 1b of this annulus portion, disposing the circular resistance substrate of making by insulating material 2 shown in Figure 9, the center hole 2a of this resistance substrate 2 is corresponding with above-mentioned circular port 1a.Like this, resistance substrate 2 does not rock the ground location and installation and is handling knob on 1.On a side of this resistance substrate 2, disposing resistance printed layers 2c and circular electric conductor printed layers 2d, 2e with one heart with circular port 2a.
Center at insulative resin system matrix part 3, the handle knob band step pillar 3a of 1 circular port 1a of supporting is arranged, this pillar 3a is supporting chimericly and is rotatablely handling knob 1 and stretch out upward, packing ring 4 inserts and is entrenched in the front end of this pillar 3a, expand the front end of spending post 3a, disengageably do not keeping handling knob 1 with methods such as hot rivetings.
The projection 3b of above-mentioned matrix part 3 is entrenched in 1 the arc-shaped slot 1d of handling knob, and with stopper section 1e butt, with handle knob 1 the anglec of rotation of restriction.In addition, on the flat part of above-mentioned matrix part 3, form expose from peristome 3c inside 3 independently elastic contact bodies 5.These 3 elastic contact bodies 5 have make by elastic metallic, with the resistance printed layers 2c of resistance substrate 2 another sides and circular electric conductor printed layers 2d, the 5a of contact portion of 2e Elastic Contact, 5b, 5c.The root portion of the 5a of this contact portion, 5b, 5c is inlayed the inside that is formed in matrix part 3, form the long outside terminal for connecting 5d of portion, 5e, the 5f that stretches out in the outside of matrix 3.
The existing electronic component of this structure, if only the above-mentioned contact 5a of portion, 5b, 5c are inlayed the inside that is formed in matrix part 3, then can not make the printed resistor layer 2c of the 5a of this contact portion, 5b, 5c and resistance substrate 2 and circular electric conductor printed layers 2d, 2e Elastic Contact.For this reason, offer square opening 3c with inlaying shaping, utilize this opening 3c that the above-mentioned contact 5a of portion, 5b, 5c are bent predetermined angular upward at the 5a of contact portion, the 5b, the 5c periphery that are installed in matrix part 3 inside.But when opening 3c was arranged on matrix part 3, solder flux, foreign material etc. were invaded electronic component inside from this opening 3c easily, thereby damaged the performance of electronic component.
In addition,, form and this matrix part 3 all-in-one-piece band step pillar 3a, handle knob 1 with the assembling of methods such as hot riveting in the central authorities of insulating resin system matrix part 3.Therefore, in the time of electronic component is installed to the printed base plate that figure do not show with soldering etc. on, band step pillar 3a produces thermal deformation because of the heat of soldering.In addition, handle knob on 1 owing to the front group of band step pillar 3a is installed to methods such as hot rivetings, so, when carrying out soldering toward printed base plate on, because the welding gun temperature inside is a high temperature, so partly thermal deformation more of above-mentioned hot riveting with welding gun.Therefore, 1 the torque of handling knob of this existing electronic component changes.
As mentioned above, in the existing electronic component, for the printed resistor layer 2c that make the 5a of contact portion, 5b, 5c and resistance substrate 2 and circular electric conductor printed layers 2d, 2e Elastic Contact,, form opening 3c for the above-mentioned contact 5a of portion, 5b, 5c are bent predetermined angular upward.But after having formed this opening 3c on the matrix part 3, solder flux, foreign material etc. are invaded electronic component inside from this opening 3c easily, thereby damage the performance of electronic component.
In addition,, form and this matrix part 3 all-in-one-piece band step pillar 3a, handle knob 1 with the assembling of methods such as hot riveting in the central authorities of insulating resin system matrix part 3.Therefore, in the time of electronic component is installed to the printed base plate that figure do not show with soldering etc. on, band step pillar 3a produces thermal deformation because of the heat of soldering.In addition, handle knob on 1 owing to the front group of band step pillar 3a is installed to methods such as hot rivetings, so, when carrying out soldering toward printed base plate on, because the welding gun temperature inside is a high temperature, so partly thermal deformation more of above-mentioned hot riveting with welding gun.Therefore, 1 the torque of handling knob of this existing electronic component changes.
The purpose of this invention is to provide a kind of rotatable electronic component, this electronic component can prevent its inside of intrusion such as solder flux, foreign material.
In order to realize goal of the invention, above-mentioned electronic component should comprise the metallic mounting panel, and outstanding upward fulcrum is arranged on central part, in the outstanding upward projection of peripheral end setting.
Above-mentioned electronic component also comprises insulator, have and be installed in above the above-mentioned mounting panel, simultaneously can insert the chimeric installing hole of above-mentioned fulcrum, and the recess or the through hole of chimeric above-mentioned projection, opening is arranged on the insulator, the Elastic Sliding sheet is installed and is exposed in the above-mentioned opening of above-mentioned insulator, and above-mentioned mounting panel covers the opening of the one side of mounting panel side.
Above-mentioned electronic component also comprises rotary body, rotatably is supported on the above-mentioned fulcrum, is installed with the another side of above-mentioned opening with connecting airtight.
Above-mentioned electronic component also comprises resistive element or printed circuit, is arranged on the rotary body, and above-mentioned slide can slide thereon.
Electronic component of the present invention is provided with anglec of rotation limiting groove on above-mentioned rotary body, the above-mentioned projected front ends of above-mentioned mounting panel is inserted in the limiting groove.
Fig. 1 is the exploded perspective view of rotary variable resistor of the present invention.
Fig. 2 is the plane graph of the insulator of rotary variable resistor of the present invention.
Fig. 3 be rotary variable resistor of the present invention insulator want portion's sectional drawing.
Fig. 4 is the bottom view of the rotary body of rotary variable resistor of the present invention.
Fig. 5 is the skeleton diagram that the user mode of rotary variable resistor of the present invention is described.
Fig. 6 be rotary variable resistor of the present invention want portion's sectional drawing.
Fig. 7 be existing rotary variable resistor want portion's sectional drawing.
Fig. 8 is the bottom view of handling knob of existing rotary variable resistor.
Fig. 9 is the plane graph of the resistance substrate of existing rotary variable resistor.
Below, the rotary variable resistor of one of electronic component of the present invention embodiment is described referring to figs. 1 through Fig. 6.
Electronic component of the present invention, i.e. rotary variable resistor, be with metallic mounting panel 11 shown in Figure 1, be installed in this above mounting panel 11 insulator 12 and be installed in these overlapping successively installations of rotary body 14 above the insulator 12, that adorning substrate 13 and form.
Mounting panel 11 is slightly rectangle, forms chamfering on an angle of its length direction one side.On an angle of opposite side, form the projection 11a that is bent into upward.At the summary central portion of mounting panel 11, with formation such as deep-draw processing and mounting panel 11 all-in-one-pieces, the fulcrum 11b that stretches out upward.The extension elongation of this fulcrum 11b is a bit larger tham the stacked thickness of insulator 12, substrate 13 and rotary body 14.
Between the end face 11c and fulcrum 11b of mounting panel 11, form a pair of installation foot 11d, 11d by opening 11e, it is die-cut laterally and bend downwards and form from the inboard that this keeps mounting panel 11 length direction central portion ground to installation foot 11d, 11d.This installation foot 11d is formed on an end 11m and the other end 11n place near mounting panel 11.Punch out and form strip 11f between opening 11e, the 11e of above-mentioned a pair of installation foot 11d, 11d, can strengthen the intensity of mounting panel 11.
At the summary central portion of above-mentioned end face 11c, form the protrusion tab 11g that forwards stretches out.The predetermined position of the narrow par between this protrusion tab 11g and above-mentioned strip 11f forms through hole 11h.
As shown in Figure 3, the contact portion of the fore-end of above-mentioned slide 12a is to utilize opening 12c, 12d, 12e to carry out bending process, bends upward at a predetermined angle to form, and is located at installing hole 12b raised face 12f on every side so that stretch out in.At the semicircle side outer peripheral face of insulator 12, form the recess 12g of nick shaped, chimeric with the projection 11a of mounting panel.On the surface of insulator 12, form the concave surface 12k bigger slightly than aftermentioned substrate 13 external diameters, this concave surface 12k forms with etat lacunaire from the surface of insulator 12.
At a side predetermined position of insulator 12, form through hole 12h.Linearity face 12m at opposite side has terminal 12j, and this terminal 12j also bends downwards and forms from slide 12a prolongation.
On the fulcrum 11b and projection 11a of mounting panel 11, chimeric the installing hole 12b and the recess 12g of insulator 12, with insulator 12 location of spline be installed on the mounting panel 11.At this moment, for above-mentioned projection 11a chimeric location recess 12g, being not limited to nick shaped, also can be not rock the chimeric through hole in ground for projection 11a.
Substrate 13 is discoidal, and opposite side is cut into linearity and forms rotation prevention portion 13a, is made by materials such as phenol resin laminates.On substrate 13, on the face relative, wait formation resistive element 13d with printing with slide 12a.Central portion at substrate 13 forms installing hole 13b, and at the predetermined position formation through hole 13c of a side, the face around the installing hole 13b and the raised face 12f of above-mentioned insulator 12 join.
The inside of rotary body 14, identical with the outer shape of substrate 13 as shown in Figure 4, chimeric in order to make substrate 13 not rock ground, substrate installation portion 14d is darker slightly than the thickness of substrate 13, and forms rotation prevention portion 14j.Around installing hole 14b, form the chimeric protuberance 14e of installing hole 13b with substrate 13.Between the substrate installation portion 14d and periphery 14a of rotary body 14, with the anglec of rotation limiting groove 14f of predetermined width, the degree of depth, angle formation circular arc, this limiting groove 14f is used to limit the anglec of rotation of rotary body 14.The projection 11a front end of mounting panel 11 inserts in this anglec of rotation limiting groove 14f, plays the backstop action of the anglec of rotation of restriction rotary body 14.
The rotary body 14 of above-mentioned structure is to use under the state that substrate 13 is made up by substrate installation portion 14d spline.
The rotary body 14 that substrate 13 is installed is assembled on the insulator 12, and this rotary body 14 is riveted on the fulcrum 11b of mounting panel 11, is installed with fulcrum revolvably.At this moment, slide 12a be formed on resistive element 13d crimping on the substrate 13, be depressed into the inside of opening 12c, 12d, 12e, another side and the rotary body 14 of this opening 12c, 12d, 12e are being assembled with connecting airtight.Therefore, from opening 12c, the 12d that covers insulator 12 up and down, one side and the another side of 12e, so, can prevent that intrusion electronic components such as solder flux, foreign material from being rotary variable resistor inside.
The through hole 13c of the through hole 11h of above-mentioned mounting panel, the through hole 12h of insulator 12, substrate 13, the through hole 14c of rotary body 14 are the states that become centering apart from the axle core equidistantly.
As shown in Figure 5, the protrusion tab 11g of mounting panel 11 extends near the periphery 14a of rotary body 14 always, and its development length makes the front end of protrusion tab 11g be positioned at the opening 17a inside of cabinet 17.
The electronic component that the following describes above-mentioned structure is the assembling and the action of rotary variable resistor.As shown in Figure 1, the through hole 11h of mounting panel 11 inserted be installed in figure and do not show and alignment pin 15a on the assembling fixture alignment pin 15b is inserted in the hole of the fulcrum 11b of mounting panel 11, mounting panel 11 mountings to assembling fixture.
Then, the through hole 12h of insulator 12 is inserted through hole 11h that connects mounting panel 11 and the above-mentioned alignment pin 15a that stretches out, the fulcrum 11b of installing hole 12b insertion mounting panel 11, then the recess 12g of insulator 12 is positioned and is entrenched on the projection 11a.
Then the through hole 14c of the through hole 13c of the substrate 13 on the chimeric substrate installation portion 14d that is installed in rotary body 14 and rotary body 14 is inserted through hole 12h that connects insulator 12 and the alignment pin 15a that stretches out simultaneously, and, installing hole 14b is inserted the fulcrum 11b of the mounting panel 11 that stretches out from the installing hole 12c of insulator 12, and then above-mentioned slide 12a and the resistive element 13d that is formed on the substrate 13 join opposite to each other.
At this moment, the front end of the projection 11a of mounting panel 11 inserts and is formed in the anglec of rotation limiting groove 14f of rotary body 14 the insides.The distolateral 14g of the front end of projection 11a under this insertion state and anglec of rotation limiting groove 14f joins.
When being stacked in insulator 12, substrate 13, rotary body 14 on the mounting panel 11 in this wise, the front end of the fulcrum 11b of mounting panel 11 stretches out from the installing hole 14b of rotary body 14.At this moment, the chimeric rotary body 14 that substrate 13 is installed is by the elastic force of the slide 12a top of upspringing, become and insulator 12 between form the state in gap.When this state does not show the front end of instrument riveted joint fulcrum 11b with figure, the raised face 12f crimping of the periphery of the protuberance 14e of rotary body 14 and insulator 12.Gap between rotary body 14 and the insulator 12 becomes not to be had, even the thickness of slab of substrate 13 is inhomogeneous, can obtains certain rotation yet and be used as power.When the front end of the projection 11a of mounting panel 11 was positioned at the state of anglec of rotation limiting groove 14f of rotary body 14, the assembling of rotary variable resistor of the present invention finished.
From the assembling fixture that above-mentioned figure does not show, take out the rotary variable resistor that assembling finishes, the alignment pin 15a that is entrenched among each parts through hole 11h, 12h, 13c, the 14c is extracted, extract another alignment pin 15b from the hole of fulcrum 11b, rotary body 14 just can rotate in the scope of other end 14h at the end 14g from anglec of rotation limiting groove 14f with predetermined torque.
The following describes a user mode of rotary variable resistor of the present invention.As shown in Figure 5, rotary variable resistor of the present invention, terminal 12j and installation foot 11d are installed on the circuit substrate 16 with soldering etc.When facing periphery 14a a part of of rotary body 14 in audio equipment device cabinet 17 outsides with rotary manipulations such as fingers, substrate 13 rotations are slided on the slide 12a of insulator 12, and resistance value just changes.
Like this electronic component of the present invention of Gou Chenging, be in the rotary variable resistor, because the par 11j with mounting panel 11 blocks opening 12c, the 12d that is formed on the insulator 12, the one side of 12e, invade electronic component inside from opening 12c, the 12d of insulator 12, the one side of 12e so can prevent solder flux, foreign material etc.
In addition, because rotary body 14 is installed in opening 12c, the 12d of insulator 12, the another side of 12e with connecting airtight, can be from opening 12c, the 12d, the 12e that cover insulator 12 up and down of one side and another side, so, can prevent intrusion electronic components such as solder flux, foreign material more effectively, be the inside of rotary variable resistor.
Because be provided with the projection 11a chimeric at the peripheral end of mounting panel 11 with insulator 12, so, can make mounting panel 11 and insulator 12 not be positioned at the precalculated position simply by this projection 11a and fulcrum 11b with not misplacing.Because mounting panel 11 does not misplace with insulator 12,, just can block the opening of insulator 12 effectively so the overall dimension of mounting panel 11 needn't be done greatlyyer than what need.
In addition, by above-mentioned projection 11a being inserted the anglec of rotation limiting groove 14f of rotary body 14, when making insulator 12 location, but the recess 12g or the through hole double as that are located on the insulator 12 are the backstop of restriction rotary body 14 anglecs of rotation, like this, do not increase part count, can have two kinds of effects concurrently, thereby make the product miniaturization and reduce cost with parts.
In an embodiment of the present invention, be to carry out the direction of rotation location of substrate 13 with rotation prevention portion 14j and 13a, but also can protuberance be set, the hole of chimeric this protuberance is set on insulated substrate 13 in the inside of rotary body 14.
In addition, in the present invention, be to carry out the location of insulator 12 and limit rotary body 14 anglecs of rotation, but also can on insulator 12, projection be set with the projection 11a that is located on the mounting panel 11.In addition, also can make the protrusion tab 11g distortion of mounting panel 11, it be bent and is elongated to rotary body 14 upward, and, recess for the chimeric usefulness of this protrusion tab 11g is set on insulator 12, carries out insulator 12 and the location of mounting panel 11 and the anglec of rotation of restriction rotary body 14.
In addition, in the present invention, be that resistive element 13d is printed on the substrate 13, be installed on the rotary body 14, but also can be installed in resistive element 13d on the substrate 13 with inlaying to be shaped.In addition, also can not use substrate 13, resistive element 13d is directly printed or duplicate on rotary body 14.
In addition, in an embodiment of the present invention, be that example describes, but also can be applicable to the electronic component of rotary coder etc., form the circuit that constitutes by resistive element 13d or conductor circuit etc. in this electronic component with the rotary variable resistor.
As mentioned above, electronic component of the present invention, be rotary variable resistor, owing to block the one side that is formed on the opening on the insulator with mounting panel, so, can prevent that solder flux, foreign material etc. from invading electronic component inside from the one side of insulator opening.
Owing to block the another side that is formed on the opening on the insulator with rotary body, from covering insulator up and down, can prevent effectively that foreign material etc. from invading rotary variable resistor inside, so, can reduce foreign material etc. and cause electronic component performance to worsen.
In addition, be entrenched in the anglec of rotation limiting groove on the rotary body, be located at the effect that recess on the insulator or through hole can have the location insulator and the restriction rotary body anglec of rotation concurrently, can make the product miniaturization and reduce cost by the projection that makes mounting panel.
Claims (2)
1. a rotary electrical sub-element is characterized in that, comprising:
The metallic mounting panel is arranged on central part with outstanding upward fulcrum, the outstanding upward projection of peripheral end setting and
Insulator, have and be installed in above the above-mentioned mounting panel, simultaneously can insert the chimeric installing hole of above-mentioned fulcrum, and the recess or the through hole of chimeric above-mentioned projection, opening is arranged on the insulator, the Elastic Sliding sheet is installed also and is exposed in the above-mentioned opening of above-mentioned insulator, above-mentioned mounting panel cover the mounting panel side one side opening and
Rotary body rotatably is supported on the above-mentioned fulcrum, be installed with the another side of above-mentioned opening with connecting airtight and
Resistive element or printed circuit are arranged on the rotary body, and above-mentioned slide can slide thereon.
2. rotary electrical sub-element according to claim 1 is characterized in that, anglec of rotation limiting groove is set on above-mentioned rotary body, and the above-mentioned projected front ends of above-mentioned mounting panel is inserted in the limiting groove.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13958696A JP3380680B2 (en) | 1996-05-08 | 1996-05-08 | Electrical component |
JP139586/96 | 1996-05-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1166037A CN1166037A (en) | 1997-11-26 |
CN1094238C true CN1094238C (en) | 2002-11-13 |
Family
ID=15248723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN971042454A Expired - Fee Related CN1094238C (en) | 1996-05-08 | 1997-05-07 | Electrical parts |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP3380680B2 (en) |
KR (1) | KR100230705B1 (en) |
CN (1) | CN1094238C (en) |
MY (1) | MY121609A (en) |
TW (1) | TW408843U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100338695C (en) * | 2003-03-24 | 2007-09-19 | 阿尔卑斯电气株式会社 | Variable resistor |
CN103700458A (en) * | 2013-09-29 | 2014-04-02 | 昆山福烨电子有限公司 | Side surface adjusting rod multi-level potentiometer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4429297A (en) * | 1980-07-03 | 1984-01-31 | Murata Manufacturing Co., Ltd. | Variable resistor |
JPS6340301A (en) * | 1986-08-05 | 1988-02-20 | 松下電器産業株式会社 | Rotary operation type variable resistor |
US5500634A (en) * | 1993-01-29 | 1996-03-19 | Murata Manufacturing Co., Ltd. | Variable resistor |
-
1996
- 1996-05-08 JP JP13958696A patent/JP3380680B2/en not_active Expired - Fee Related
-
1997
- 1997-04-15 TW TW088201331U patent/TW408843U/en not_active IP Right Cessation
- 1997-05-07 MY MYPI97002007A patent/MY121609A/en unknown
- 1997-05-07 CN CN971042454A patent/CN1094238C/en not_active Expired - Fee Related
- 1997-05-08 KR KR1019970017644A patent/KR100230705B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4429297A (en) * | 1980-07-03 | 1984-01-31 | Murata Manufacturing Co., Ltd. | Variable resistor |
JPS6340301A (en) * | 1986-08-05 | 1988-02-20 | 松下電器産業株式会社 | Rotary operation type variable resistor |
US5500634A (en) * | 1993-01-29 | 1996-03-19 | Murata Manufacturing Co., Ltd. | Variable resistor |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100338695C (en) * | 2003-03-24 | 2007-09-19 | 阿尔卑斯电气株式会社 | Variable resistor |
CN103700458A (en) * | 2013-09-29 | 2014-04-02 | 昆山福烨电子有限公司 | Side surface adjusting rod multi-level potentiometer |
CN103700458B (en) * | 2013-09-29 | 2017-01-11 | 昆山福烨电子有限公司 | Side surface adjusting rod multi-level potentiometer |
Also Published As
Publication number | Publication date |
---|---|
TW408843U (en) | 2000-10-11 |
JPH09298105A (en) | 1997-11-18 |
JP3380680B2 (en) | 2003-02-24 |
KR100230705B1 (en) | 1999-11-15 |
KR970076911A (en) | 1997-12-12 |
MY121609A (en) | 2006-02-28 |
CN1166037A (en) | 1997-11-26 |
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20021113 Termination date: 20140507 |