CN1120504C - Terminal installation structure - Google Patents
Terminal installation structure Download PDFInfo
- Publication number
- CN1120504C CN1120504C CN98100561A CN98100561A CN1120504C CN 1120504 C CN1120504 C CN 1120504C CN 98100561 A CN98100561 A CN 98100561A CN 98100561 A CN98100561 A CN 98100561A CN 1120504 C CN1120504 C CN 1120504C
- Authority
- CN
- China
- Prior art keywords
- terminal
- flexure strip
- rigid body
- substrate
- body sheet
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/325—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3405—Edge mounted components, e.g. terminals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Resistors (AREA)
- Multi-Conductor Connections (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
Abstract
The invention provides a terminal attachment structure capable of coping with pitch narrowing by increasing positioning accuracy between a terminal and a board. By punching a metallic plate a terminal 15 is obtained, which comprises a rigid piece 15a, an elastic piece 15b, and a leg piece 15c. The respective plate faces of the rigid piece and the elastic piece, and the leg piece are flush, and the contour of the terminal 15 is entirely cut surface. Fitting a board 14 between the rigid piece 15a and the elastic piece 15b, since the elastic piece 15b springs against the surface of the board 14 by bending, while the cut surface of the rigid piece 15a abuts with the back surface of the board 14, the terminal 15 can be attached to the board 14 in electrically connection with a connection part 16a (or 17a) of a resistance pattern 16 and a collector pattern 17 formed on the surface of the board 14.
Description
The present invention relates to a kind ofly, particularly relate to the installation constitution of a kind of above-mentioned terminal to substrate having on the substrate of terminal the terminal installation structure that electric components such as variable resistance are installed.
For example concerning variable resistance, its surface at substrate is formed with resistive element and collector body, by mobile sliding contact on this substrate, from the variation of the end detection resistance value of resistive element and collector body, a plurality of terminals are installed on this substrate and are connected with the end of resistive element and collector body.As everyone knows, in the prior art, terminal installation structure like this is riveted joint or a solder terminal on the circle eye of substrate, and like this, operation easier is big, is not suitable for automated production.And not riveted joint or solder terminal on the circle eye of substrate and use the terminal installation structure of the terminal of wiring column, also have been recorded in Japanese Utility Model and disclose on No. 118902/1990 communique.
Figure 13 is to use the exploded perspective view of the existing terminal installation structure of wiring column terminal, and Figure 14 is the profile of this terminal installation structure.As shown in FIG., on the surface of substrate 1, be formed with resistance pattern 2 and current collection figure 3, be coated with the connecting portion 2a, the 3a that constitute by silver electric conducting materials such as (Ag) on the end of this resistance pattern 2 and current collection figure 3 with concentric circles ground.Each terminal 4 is connected with this each connecting portion 2a, 3a respectively, and terminal 4 has the flexure strip 4a of clamping substrate 1 and the pin sheet 4b that extends back from this flexure strip 4a, and this flexure strip 4a and pin sheet 4b are integrally formed with metallic plate.Flexure strip 4a has three branches, and middle flexure strip 4a and two flexure strip 4a of both sides are crooked round about mutually, the whole wiring column that forms.The flexure strip 4a of the wiring column of each terminal 4 embeds substrate 1, wherein two of both sides flexure strip 4a and connecting portion 2a (or connecting portion 3a) mutually bullet connect, middle flexure strip 4a and the inner face of substrate 1 bullet mutually connect, and are installed on the substrate 1 thereby make each terminal 4 and corresponding connecting portion 2a (or connecting portion 3a) be conducting state.
The existing terminal installation structure of above-mentioned use wiring column terminal, its front end at terminal 4 is formed with three crooked round about mutually flexure strip 4a, these flexure strips 4a respectively with the surface of substrate 1, inner face two sides mutually bullet connect, therefore, pin sheet 4b for terminal 4, substrate 1 is easily to the thickness of slab direction change of substrate, and has the problem that the positional precision of the pin sheet 4b of terminal 4 and substrate 1 is difficult to improve.Because the surface of the plate face of each flexure strip 4a and substrate 1 or inner face bullet mutually connect, the minimizing of the width dimensions of each flexure strip 4a has certain boundary, and each flexure strip 4a is bent to form the wiring column for staggering mutually, so the whole width size of this terminal 4 can not reduce, make the narrow range of its corresponding connecting portion 2a, 3a not realize.
Main purpose of the present invention is, overcome the defective of existing terminal installation structure, and provide a kind of terminal installation structure of new structure, terminal of the present invention is formed by the rigid body sheet with metallic plate section with than the flexure strip of the easy strain of this rigid body sheet, on substrate during mounting terminal, the one side of substrate contacts with the section of rigid body sheet, and the another side of substrate and flexure strip bullet mutually connect.By above-mentioned such structure, the bouncing force that substrate bears flexure strip is crimped on the section of rigid body sheet, makes this rigid body sheet be not easy bending, therefore can improve the pin sheet of terminal and the positional precision of substrate.In addition, because this plate face of the rigid body sheet of terminal slightly becomes vertical connection with the one side of substrate, thus the whole width dimensions of terminal can be diminished, thus can realize the narrow range of connecting portion.
The objective of the invention is to realize by following technical scheme.A kind of terminal installation structure according to the present invention's proposition, its a plurality of terminal by the metallic plate system of the connecting portion that forms the substrate that is provided with conductive pattern, connects this conductive pattern is constituted, and it is characterized in that: above-mentioned terminal include with the contacted rigid body sheet with section of the one side of aforesaid substrate, with the another side of the aforesaid substrate flexure strip that connects of bullet and from this rigid body sheet and the extended pin sheet of flexure strip mutually.
Purpose of the present invention can also further realize by following technical measures.
The circuit substrate that above-mentioned substrate can be used as variable resistance or various switches etc. uses, and for example, is as resistance substrate in the occasion of variable resistance, is as switch substrate in the occasion of various switches.The increase and decrease that can suit as required of the bar number of above-mentioned conductive pattern, for example, in the occasion of resistance substrate, for the resistance pattern and the current collection graphical set of conductive pattern can increase and decrease in right amount according to the hole count of resistance circuit.
Above-mentioned flexure strip if than above-mentioned rigid body sheet easily bending how then no matter to form can, for example, the bending process flexure strip, by the part of kink and rigid body sheet mutually bullet connect, the plate face of flexure strip and the another side of substrate bullet mutually connect.In this occasion, the elastic connection part on the substrate of flexure strip divides and the section of rigid body sheet is a straight line, and the bouncing force of flexure strip acts on the section of rigid body sheet, and has good effect.
The whole plate face of above-mentioned rigid body sheet and flexure strip and pin sheet forms at grade, does not need complicated bending process, and it can form terminal by the metal plate punch process.In this occasion, the shape of flexure strip should be than the easy strain of rigid body sheet for good, and particularly flexure strip forms counter-rotating portion halfway, passes through conversion direction, make the front end of this flexure strip relative, can on the basis that fully prolongs the required spring length of flexure strip, realize miniaturization with the rigid body sheet.
On above-mentioned terminal, be formed with above-mentioned rigid body sheet and keep relative teat of being of a determining deviation, the section of this teat contacts with the another side of aforesaid substrate, the two sides of substrate is in the strong spots localization of rigidity, increase the weight of thereby make flexure strip be difficult to add, can more positively keep the reliability of contact like this.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, terminal installation structure of the present invention is mainly by forming the substrate that is provided with conductive pattern, and a plurality of terminal of the metallic plate system that connects on the connecting portion of this conductive pattern constitutes, above-mentioned terminal be by with the contacted rigid body sheet of aforesaid substrate one side with section, with the another side of the aforesaid substrate flexure strip that connects of bullet mutually, constitute from this rigid body sheet and the extended pin sheet of flexure strip, substrate bears the bouncing force of flexure strip and is crimped on the section of rigid body sheet, because this rigid body sheet is difficult to bending, so can improve the pin sheet of terminal and the positional precision of substrate, the plate face of the rigid body sheet of terminal contacts with the one side of substrate approximately at right angles, so the width dimensions of whole terminal can diminish, thereby can realize the narrow range of connecting portion.
All in the same plane formation of whole plate faces of above-mentioned rigid body sheet and above-mentioned flexure strip and above-mentioned pin sheet, therefore do not need complicated bending machining, can form terminal by the punch process of metal plate, particularly in the counter-rotating portion of formation midway of flexure strip and conversion direction, make the front end of this flexure strip relative, can on the basis that fully prolongs the required spring length of flexure strip, realize miniaturization with the rigid body sheet.
On above-mentioned terminal, maintain the relative teat of being formed with of certain intervals with above-mentioned rigid body sheet, the section of this teat contacts with the another side of aforesaid substrate, the two sides of substrate is limited to the strong spots localization of rigidity, increase the weight of so be difficult on flexure strip, add, can keep the reliability of contact so really.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the profile of the variable resistance of the embodiment of the invention.
Fig. 2 is the front view of variable resistance.
Fig. 3 is the mounting structure state front view that has substrate and terminal in the variable resistance.
Fig. 4 is the front view of terminal.
Fig. 5 is the spring performance explanation schematic diagram of terminal.
Fig. 6 is the front view of the variable resistance of another embodiment of invention.
Fig. 7 is the plane graph that has the maintenance body of integrated terminal in the variable resistance.
Fig. 8 is the front view of this maintenance body.
Fig. 9 is along the profile of B-B line among Fig. 7.
Figure 10 is the stereogram of the terminal of further embodiment of this invention.
Figure 11 is the explanation schematic diagram of the terminal installation structure state of another embodiment.
Figure 12 is the mounting structure view of the terminal of yet another embodiment of the invention.
Figure 13 is the exploded perspective view of existing terminal installation structure.
Figure 14 is the profile of existing terminal installation structure.
Below in conjunction with accompanying drawing and preferred embodiment, concrete structure, feature and the effect thereof of the terminal installation structure that foundation the present invention is proposed, describe in detail as after.
Fig. 1 is the profile of the variable resistance of the embodiment of the invention; Fig. 2 is the front view of variable resistance; Fig. 3 is the mounting structure state front view that has substrate and terminal in the variable resistance; Fig. 4 is the front view of terminal.
As shown in Figure 1 and Figure 2, the variable resistance of the embodiment of the invention by the plastic operating body 11 of the framework 10 of metallic plate system, rotatable support in framework 10, at the ratchet spring 12 that gives the ratchet thoughts and feelings on the operating body 11, be installed in sliding contact 13 on the operating body 11, be fixed on the substrate 14 on the framework 10 and a plurality of terminals 15 of being installed on the substrate 14 are constituted.
The side of framework 10 is formed with the outstanding limiter 10a of inside side, by this side to relative one side open, from this open end outstanding be provided with a pair of from keeping a foothold 10b.The another side of framework 10 is tab-like to become the bearing 10c of portion cylindraceous, and portion cooperates the ratchet spring 12 that is provided with ring-type within it simultaneously.Be formed with columned axial region 11a and the bear portion 11b bigger than this axial region 11a diameter on operating body 11, axial region 11a is outstanding to the foreign side of framework 10 from the 10c of bearing portion.Be formed with the projection 11c of minor diameter at the front end that bears the 11b of portion, projection 11c wears in the circular hole 14a that is entrenched in substrate 14.Bearing the 11b of portion with the fixing sliding contact plate 13 of means such as riveted joint, this sliding contact 13 is provided with 2 pieces in the present embodiment, is formed with two sliding contact sheet 13a on each sliding contact plate 13 respectively.Operating body 11 can rotate in the circular hole 14a of the 10c of bearing portion of framework 10 and substrate 14 as guidance part, touches mutually with limiter 10a but be formed with projection not shown in the figures at the side face that bears the 11b of portion, and this anglec of rotation is for being limited in 360 degree.Operating body 11 when rotary manipulation, the protuberance of ratchet spring 12 with bear the 11b of portion in the recess that forms engage disengaging, produce the ratchet thoughts and feelings.
As shown in Figure 3, surface printing resistance pattern 16 and current collection figure 17 at substrate 14 in the present embodiment as 2 logotypes, are formed with two resistance patterns 16 and two current collection figures 17.These resistance patterns 16 and current collection figure 17 are the configuration of concentric circles ground with circular hole 14a as the center, on the resistance pattern 16 in two outsides and current collection figure 17, slide respectively at two sliding contact sheet 13a that a side sliding contact plate 13 forms, on the resistance pattern 16 of two inboards and current collection figure 17, slide respectively at two sliding contact sheet 13a that form on the opposing party's the sliding contact plate 13.Each resistance pattern 16 and current collection figure 17 are formed with connecting portion 16a, the 17a that is made of electric conducting materials such as silver around the ora terminalis that is provided with up to substrate 14 in these ends.This each connecting portion 16a, 17a are connected with terminal 15 respectively, and each terminal 15 resembles and is installed on the substrate 14 aftermentioned.Through outside dress up shape, each terminal 15 is combined into one with plastic maintenance body 18, this maintenance body 18 is fixed on the substrate 14 with the grip tab 18a of both sides.Suitable means such as substrate 14 usefulness riveted joint are fixed on the open surface of framework 10, but as shown in Figure 2, because be fixed with the 10b that keeps a foothold certainly of framework 10 in the outside of the grip tab 18a that keeps body 18,, and can prevent to keep body 18 to come off from substrate 14 so grip tab 18a can not expand laterally.
As shown in Figure 4, above-mentioned terminal 15 is to form with the punching press Punching Technology with whippy metal plates such as phosphor bronzes, and this terminal 15 is by the rigid body sheet 15a of L word shape, the flexure strip 15b relative with rigid body sheet 15a, formed from the coupling part linearly extended pin sheet 15c of rigid body sheet 15a and flexure strip 15b.It comprises the whole electroplating processes that all will carry out tin plating etc. of section terminal 15 after the punching press, can guarantee to have the reliability of contact and good weldability like this.Each plate face of rigid body sheet 15a, flexure strip 15b and pin sheet 15c is positioned at same plane, and the profile of terminal 15 all is a section.Flexure strip 15b counter-rotating portion conversion direction halfway, the relative rigid body sheet of its front end 15a maintains certain interval, and this is set at littler than the gauge of substrate 14 at interval.Promptly, this flexure strip 15b integral miniaturization, and set from its cardinal extremity to the front springs total length very long, so the terminal 15 that constitutes be with separately plate face the state arranged relatively mutually through outside dress up shape, the coupling part of rigid body sheet 15a and flexure strip 15b is embedded in and keeps in the body 18 (consulting shown in Figure 3).At this moment, set the assortment of each terminal 15 apart from roughly the same with the assortment distance of each connecting portion 16a, 17a.
As shown in Figure 1, above-mentioned terminal 15 embeds substrate 14 between rigid body sheet 15a and flexure strip 15b, the section of rigid body sheet 15a contacts with the inner face of substrate 14, simultaneously flexure strip 15b with the surface of bending mode and substrate 14 mutually bullet connect, terminal 15 corresponding connection parts 16a (or 17a) are installed on the substrate 14 with being conducting state.Like this, the reaction force that substrate 14 is accompanied by the bending of flexure strip 15b is crimped on the section of rigid body sheet 15a, so make rigid body sheet 15a that should direction not have very big rigid deformation, the relative position that can make substrate 14 and terminal 15 can this rigid body sheet 15a be a benchmark and correctly locating.Terminal 15 each several parts form for being flat condition ground, the section of terminal 15 thickness of slab directions can be exposed along the assortment direction of connecting portion 16a, 17a, so substrate 14 can approximately be orthogonal state installation with the plate face of terminal 15, and can realize that connecting portion 16a, 17a are narrow range.Flexure strip 15b is bending, because of folding s tress concentrates on the counter-rotating portion of this flexure strip 15b, so when terminal 15 carries out punch process, for the rolling direction of raw-material metal plate is set at direction shown in arrow A-A among Fig. 4.
Fig. 5 is to use as the raw-material thickness of slab of the above-mentioned terminal 15 spring performance key diagram at the 0.3mm phosphor bronze sheet, and transverse axis is represented the bending amount of flexure strip 15b, and the longitudinal axis is represented the pressure of flexure strip 15b.Can find out clearly that from figure vertically bending amount of flexure strip 15b is 0.25mm, produce the pressure of about 150g, can obtain unquestioned contact pressure in practicality.
As shown in Figure 1, the variable resistance that said structure constitutes uses a pair of 10b that keeps a foothold certainly to be installed on the printed base plate 19, and the pin sheet 15c of each terminal 15 is welded on the bonding land not shown in the figures of printed base plate 19.Under this kind state, each sliding contact sheet 13a of 11, two sliding contact plates 13 of rotary manipulation operating body slides on corresponding resistance pattern 16 and current collection figure 17, can detect variation to resistance value that should sliding position by each terminal 15.
Fig. 6 is the front view of the variable resistance of another embodiment of the present invention; Fig. 7 is the plane graph that has the maintenance body of integrated terminal in this variable resistance of the present invention; Fig. 8 should keep the front view of body; Fig. 9 is along the profile of B-B line among Fig. 7.
In the present embodiment, each terminal 15 is formed with the teat 15d of short size in the portion of root unit of flexure strip 15b, and the section of the section of this teat 15d and relative rigid body sheet 15a is in the middle of the gap that is equivalent to substrate 14 thicknesss of slab.On terminal 15, form above-mentioned such teat 15d, when between the rigid body sheet 15a of terminal 15 and flexure strip 15b, embedding substrate 14, teat 15d and rigid body sheet 15a contact with surface, the inner face two sides of substrate 14 respectively, teat 15d that exceeds and rigid body sheet 15a by rigidity, from moving of two lateral confinement system substrates 14, make with substrate 14 surfaces mutually the flexure strip 15b that connects of bullet be difficult to add unnecessary mistake and increase the weight of.Its result, the springiness of flexure strip 15b can long term maintenance, and the contact reliability between flexure strip 15b and corresponding connecting portion 16a (17a) can stably be kept more really.
As shown in Figure 9, the major part of rigid body sheet 15a is embedded in and keeps in the body 18, can prevent friction for the maintenance body 18 of each terminal 15, simultaneously by keeping burying underground partly of body 18 can improve rigid body sheet 15a self rigidity, therefore put from this, the contact reliability between flexure strip 15b and corresponding connecting portion 16a (17a) can stably be kept more really.
As shown in Figure 6, the front end of the grip tab 18a that is provided with in the both sides that keep body 18 latches in respectively on substrate 14 and the framework 10, so can more positively prevent to keep body 18 to come off.
The shape of terminal 15 not only is defined in the various embodiments described above, can also adopt the embodiment of various distressed structures.For example, the contoured processing of fluctuating on the plate face of above-mentioned rigid body sheet 15a can enlarge the contact area of section and the substrate 14 of rigid body sheet 15a, and the counter-rotating portion that also can omit above-mentioned flexure strip 15b is seen as " く " font structure from the side and form.Perhaps as Figure 10, embodiment shown in Figure 11, terminal 20 is by the rigid body sheet 20a with section, with the approximately at right angles crooked flexure strip 20b of rigid body sheet 20a, constituted from the coupling part linearly extended pin sheet 20c of rigid body sheet 20a and flexure strip 20b.During mounting terminal 20, the section of rigid body sheet 20a contacts with the one side of substrate 14 on substrate 14, and the plate face of flexure strip 20b and the another side of substrate 14 bullet mutually connect.Embodiment as shown in figure 12 is the bend of the above-mentioned flexure strip 20b of biasing, make flexure strip 20b and substrate 14 mutually the section of the part that connects of bullet and rigid body sheet 20a be a straight line.In this occasion, from the bouncing force of flexure strip 20b section relativity, so can improve the installation strength of terminal 20 to rigid body sheet 20a.
In the various embodiments described above, illustrated in keeping body 18 to give incorporate state earlier terminal 15 is installed in situation on the substrate 14, can suit to keep each parts behind each terminal 15 of installation on the substrate 14.
In the various embodiments described above, be to be that example describes for the variable resistance that printed base plate 19 is the horizontal type of level with operating body 11, but the pin sheet 15c for terminal 15 is bent into the right angle, and operating body 11 is also applicable for the variable resistance that printed panel 19 is vertical vertical type.
Claims (6)
1, a kind of terminal installation structure, its a plurality of terminal by the metallic plate system of the connecting portion that forms the substrate that is provided with conductive pattern, connects this conductive pattern is constituted, and it is characterized in that:
Above-mentioned terminal include the plate face perpendicular to the one side of aforesaid substrate and section and the contacted rigid body sheet of the one side of aforesaid substrate, be positioned at the another side of aforesaid substrate and with aforesaid substrate towards the above-mentioned rigid body sheet flexure strip that connects of bullet and from this rigid body sheet and the extended pin sheet of flexure strip mutually.
2, terminal installation structure according to claim 1 is characterized in that its whole plate faces of described rigid body sheet, flexure strip and pin sheet all form at grade.
3, terminal installation structure according to claim 2, it is formed with counter-rotating portion halfway to it is characterized in that described flexure strip.
4, terminal installation structure according to claim 2 is characterized in that described rigid body sheet, flexure strip and pin sheet are rigid body sheet, flexure strip and the pin sheets that forms with the punch process of metal plate.
5, terminal installation structure according to claim 1 is characterized in that described flexure strip with the mode bending relative with the another side of aforesaid substrate of plate face, the plate face of this flexure strip with aforesaid substrate towards above-mentioned rigid body sheet mutually bullet connect.
6, terminal installation structure according to claim 1 and 2, it is characterized in that on the described terminal, formed teat on the position relative with above-mentioned rigid body sheet, the plate face of this teat contacts with the another side of aforesaid substrate perpendicular to the another side of aforesaid substrate and the section of teat.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP036464/97 | 1997-02-20 | ||
| JP036464/1997 | 1997-02-20 | ||
| JP3646497 | 1997-02-20 | ||
| JP229658/1997 | 1997-08-26 | ||
| JP22965897A JP3532389B2 (en) | 1997-02-20 | 1997-08-26 | Terminal mounting structure |
| JP229658/97 | 1997-08-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1191374A CN1191374A (en) | 1998-08-26 |
| CN1120504C true CN1120504C (en) | 2003-09-03 |
Family
ID=26375532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98100561A Expired - Lifetime CN1120504C (en) | 1997-02-20 | 1998-02-20 | Terminal installation structure |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3532389B2 (en) |
| KR (1) | KR100255486B1 (en) |
| CN (1) | CN1120504C (en) |
| TW (1) | TW388033B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0304112A2 (en) * | 1987-08-21 | 1989-02-22 | Teikoku Tsushin Kogyo Co. Ltd. | Molded resin casing of electronic part incorporating flexible board |
| US4839627A (en) * | 1985-03-22 | 1989-06-13 | Copal Electronics Co., Ltd. | Variable resistor |
| EP0307977B1 (en) * | 1987-09-07 | 1992-09-30 | Teikoku Tsushin Kogyo Co. Ltd. | Molded resin casing of electronic part with flat cable |
-
1997
- 1997-08-26 JP JP22965897A patent/JP3532389B2/en not_active Expired - Lifetime
-
1998
- 1998-02-03 TW TW087101326A patent/TW388033B/en not_active IP Right Cessation
- 1998-02-19 KR KR1019980005116A patent/KR100255486B1/en not_active IP Right Cessation
- 1998-02-20 CN CN98100561A patent/CN1120504C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4839627A (en) * | 1985-03-22 | 1989-06-13 | Copal Electronics Co., Ltd. | Variable resistor |
| EP0304112A2 (en) * | 1987-08-21 | 1989-02-22 | Teikoku Tsushin Kogyo Co. Ltd. | Molded resin casing of electronic part incorporating flexible board |
| EP0307977B1 (en) * | 1987-09-07 | 1992-09-30 | Teikoku Tsushin Kogyo Co. Ltd. | Molded resin casing of electronic part with flat cable |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100255486B1 (en) | 2000-05-01 |
| KR19980071500A (en) | 1998-10-26 |
| JP3532389B2 (en) | 2004-05-31 |
| JPH10294201A (en) | 1998-11-04 |
| CN1191374A (en) | 1998-08-26 |
| TW388033B (en) | 2000-04-21 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20030903 |
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| CX01 | Expiry of patent term |