CN101329967B - High frequency relay - Google Patents
High frequency relay Download PDFInfo
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- CN101329967B CN101329967B CN2008101266505A CN200810126650A CN101329967B CN 101329967 B CN101329967 B CN 101329967B CN 2008101266505 A CN2008101266505 A CN 2008101266505A CN 200810126650 A CN200810126650 A CN 200810126650A CN 101329967 B CN101329967 B CN 101329967B
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Abstract
The present invention provides a high-frequency relay comprising: an electromagnet assembly, a plugboard assembly, a fixing terminal assembly, a body base and a short circuit mechanism. The electromagnet assembly has an iron core, coils and a magnetic yoke. A base of the magnetic yoke is combined with a first end portion of the iron core, and a front end portion of the magnetic yoke extends to a second portion of the iron core. The plugboard assembly comprises at least one armature and at least one moveable contact plate. The fixing terminal assembly comprises at least two fixing terminals. The body base is loaded the electromagnet assembly and the fixing terminal assembly. The part of the short circuit mechanism on a base portion which leave the magnetic yoke on the iron core short the iron core and the magnetic yoke.
Description
Technical field
The present invention relates to high frequency relay.
Background technology
On June 30th, 2000, the patent publication No. 2000-182499 of Japan of distribution disclosed a kind of high frequency relay.As shown in figure 11, this high frequency relay possesses this susceptor body 1 and the body outer cover 2 that constitutes shell is arranged.This susceptor body 1 is a synthetic resin system, and is equipped with electromagnet assembly 3, stationary terminal 4 and plate assembly 5.Body outer cover 2 with rectangular aperture combines with this susceptor body 1 of rectangular shape.
Plate assembly (card block) 5 possesses: movable seat 50, permanent magnet 51, armature (armature) 52 and 53, movable contact plate 54 and 55, balancing spring 56 and stator 57.50 pairs of permanent magnets 51 of movable seat, armature 52 and 53 and movable contact plate 54 and 55 keep, on the other hand, be fixed on this susceptor body 1 through balancing spring 56 and stator 57.Permanent magnet 51 and the armature 52 and 53 that combines with two magnetic poles of permanent magnet 51 respectively are fixed on the front end of movable seat 50.Armature 52 is inserted between the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31.Armature 53 is inserted between the second end 312 of the leading section 3421 of the second yoke sheet 342 and iron core 31.Therefore, according to the excitation polarity of coil 33, armature 52 and 53 or attracted by the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31 respectively, or attracted by the leading section 3421 of the second end 312 of iron core 31 and the second yoke sheet 342 respectively.
Balancing spring 56 is a quadrangle form, is made by leaf spring.Above-mentioned movable seat 50 is installed on this susceptor body 1 through this balancing spring 56.That is, it is on the stator 57 that balancing spring 56 is fixed on movable seat 50, and stator 57 is fixed on this susceptor body 1 by being pressed in the fixing hole 110 that is formed at this susceptor body 1.Therefore, movable seat 50 is kept by balancing spring 56 in the mode that can move on the direction that armature 52 and 53 is attracted.If balancing spring 56 not by magnetic force bending, the centre position (to call " first centre position ") of armature 52 between the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31 then, the centre position (to call " second centre position ") of armature 53 between the second end 312 of the end 3421 of the second yoke sheet 342 and iron core 31.
Particularly, if coil 33 is carried out excitation, then armature 52 and the 53 excitation polarity according to coil 33 attract by the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31 or by the leading section 3421 of the second end 312 of iron core 31 and the second yoke sheet 342 respectively.Its result, movable seat 50 directions that are attracted to armature 52 and 53 move.Like this, if in case armature 52 and 53 is attracted by the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31 respectively, or by leading section 3421 attractions of the second end 312 of iron core 31 and the second yoke sheet 342, then armature 52 and 53 can not move before coil 33 is diamagnetism by excitation.This action is commonly referred to as the bistable action.
In the example of Figure 11, in order to realize monostable fixed action but not nonmagnetic material that is residual plate (residual plate) 37 used in such bistable action.Residual plate 37 is fixed on the face of the second end 312 of iron core 31, and this face is faced mutually with the leading section 3421 of the second yoke sheet 342.Residual plate 37 forms, and the magnetic force by permanent magnet 51 is weaker than the restoring force that is produced by balancing spring 56 with armature 53 to the power that the second end 312 of iron core 31 attracts.Therefore, attracted to the second end 312 of the end 3411a of the first yoke sheet 341 and iron core 31 respectively at armature 52 and 53 after, if stop to coil 33 power supplies, then armature 52 and 53 temporarily returns to first and second centre position.Recover constantly at this, utilize the magnetic force of permanent magnet 51 that armature 52 is strong with the restoring force that above-mentioned bistable action the samely is produced than balancing spring 56 to the power of the second end 312 attractions of iron core 31.Therefore, armature 52 and 53 is attracted by the leading section 3421 of the second end 312 of iron core 31 and the second yoke sheet 342 respectively.Therefore, need not to switch the flow direction of the electric current that flows through coil 33, and, just can make 50 reciprocating motions of movable seat by coil 33 being powered or cutting off the power supply.Just, realized monostable fixed action.
In addition, movable contact plate 54 and 55 is inserted in the guard shield 45 of stationary terminal 4 fixing on this susceptor body 1.Particularly, movable contact plate 54 or contact, or contact with the inner surface of guard shield 45 with terminal pins 41 and 42, in addition, the retention tab 500 of plate assembly 5 is disposed among the guard shield 45 in the modes of giving prominence to from the otch 451 of the lateral wall that is formed at guard shield 45.Movable contact plate 55 or contact with terminal pins 42 and 43, or contact with the inner surface of guard shield 45, in addition, the retention tab 501 of plate assembly 5 is disposed among the guard shield 45 in the modes of giving prominence to from the otch 452 of the madial wall that is formed at guard shield 45.Thus, just constituted contact arrangement.If stop to coil 33 power supplies, then owing to armature 52 and 53 is attracted to the second end 312 of iron core 31 and the leading section 3421 of the second yoke sheet 342 respectively, so terminal pins 42 and 43 short circuits by movable contact plate 55.On the contrary, because movably contact plate 54 contacts with the inner surface of guard shield 45, so terminal pins 41 and 42 is opened.Therefore, terminal pins 42 and 43 is a normally closed contact, and terminal pins 41 and 42 is a normal opened contact.
Yet in above-mentioned high frequency relay, the insulation of electromagnet assembly 3 and stationary terminal 4 is abundant inadequately.Therefore, if high-frequency signal is imported stationary terminal 4, then can produce resonance because of the magnetic circuit of electromagnet assembly 3.If produce resonance in this wise, then will be near the fluctuation of insertion loss place generation shown in Fig. 6 B of the frequency band (for example 3GHz) of high-frequency signal.Its result will cause the deterioration of the characteristic of high frequency relay.
Summary of the invention
The objective of the invention is to suppress the deterioration of the characteristic that resonance caused that causes because of magnetic circuit.
High frequency relay of the present invention possesses: electromagnet assembly, plate assembly, stationary terminal, this susceptor body and short circuit mechanism.Electromagnet assembly has: iron core, coil and yoke.Iron core has first and second end.Coil be wrapped in iron core around.Yoke has base portion and leading section.The base portion of yoke combines with the first end of iron core.The leading section of yoke apart from its base portion to the second end of iron core prolong and with the second end isolation configuration.The plate assembly has armature of at least one and the movable contact plate of at least one.Armature is disposed between the leading section of the second end of iron core and yoke.Movable contact plate moves by any side draught of armature in the second end and leading section drawn.Stationary terminal has at least two fixed terminal.These two fixed terminals are electrically connected or are cut off through movable contact plate.This susceptor body is made by insulating material.Be equipped with electromagnet assembly and stationary terminal on this susceptor body.In a feature of the present invention, short circuit mechanism makes the magnetic circuit short circuit that comprises above-mentioned iron core and above-mentioned yoke in the part of the base portion that leaves yoke of iron core.Thus, owing to make the magnetic circuit short circuit that comprises iron core and yoke, therefore can make the resonance frequency that causes by magnetic circuit shift to high frequency side.Its result can be suppressed at the deterioration of the characteristic of relatively low frequency band.
In one embodiment, short circuit mechanism is the nonmagnetic material with conductivity.Therefore, can not increase the magnetic resistance of magnetic circuit, thereby operating characteristics is worsened.
In another embodiment, short circuit mechanism is made by the material with elasticity and conductivity, and flexibly contacts with iron core and yoke and to make iron core and yoke short circuit.Therefore, the situation of iron core and yoke short circuit is compared, can be simplified manufacturing process with utilizing for example soldering.
In another execution mode again, short circuit mechanism is made by metallic plate, and this metallic plate has incorporate stator and first and second contact site.Stator is fixed on this susceptor body.First contact site contacts with iron core.Second contact site contacts with yoke.In this embodiment, by the processing metal plate, can make short circuit mechanism simply.And,, therefore do not need other fixed mechanism, thereby can simplify manufacturing process because short circuit mechanism is fixed on this susceptor body by stator being fixed on this susceptor body.
In another execution mode again, iron core is the I font, has first and second end at two ends.Short circuit mechanism is 2/3rds distance of the total length of iron core at the distance first end, makes iron core and yoke short circuit.In this embodiment, can make the resonance frequency that causes by magnetic circuit shift to highest frequency within the bounds of possibility.
Description of drawings
To be described in detail the preferred embodiment of the present invention.Other features and advantages of the present invention can be better understood in conjunction with following detailed narration and accompanying drawing.
Fig. 1 is the figure of the part of the related high frequency relay of expression first execution mode of the present invention.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 is the stereogram of Fig. 1.
Fig. 4 is another stereogram of Fig. 1.
Fig. 5 has represented the short board in first execution mode, and Fig. 5 A is a front view, and Fig. 5 B is a right side view, and Fig. 5 C is a rearview, and Fig. 5 D is a vertical view.
Fig. 6 A is the oscillogram of insertion loss of expression first execution mode, and Fig. 6 B is an oscillogram of representing the insertion loss in the example in the past.
Fig. 7 is the stereogram of the electromagnet assembly in the related high frequency relay of second execution mode of the present invention.
Fig. 8 is the stereogram after the part of the electromagnet assembly in the related high frequency relay of the 3rd execution mode of the present invention is dissectd.
Fig. 9 is the stereogram after the part of an electromagnet assembly in the execution mode is dissectd.
Figure 10 is the stereogram after the part of an electromagnet assembly in the execution mode is dissectd.
Figure 11 is the exploded perspective view of example in the past.
Embodiment
Fig. 1 has represented the part of the high frequency relay that first execution mode of the present invention is related.For the ease of understanding, for same key element, mark and part same-sign shown in Figure 11.
Shown in Fig. 1-4, high frequency relay in first execution mode and the high frequency relay of Figure 11 possess equally: this susceptor body 1, body outer cover (not shown), stationary terminal 4 and plate assembly 5 these parts.In addition, though the high frequency relay in first execution mode possesses electromagnet assembly 3, it is identical with the electromagnetic type assembly of the high frequency relay of Figure 11 that this electromagnet assembly 3 constitutes except yoke 34.
Promptly, as shown in Figure 2, yoke 34 in first execution mode is identical with the yoke of Figure 11, have: the first yoke sheet of base portion 340 that combines with the first end 311 of iron core 31 and the second end 312 that extends to iron core 31 from base portion 340 (with the title that places an order " yoke sheet ") 341, but do not have the second yoke sheet 342 of Figure 11.In addition, yoke sheet 341 has the leading section 3411 that cross section is square brackets (square bracket) shape, and the both ends 3411a of leading section 3411 and 3411b are curved and face mutually from the base portion of leading section 3411.That is, two inner surfaces of end 3411a and 3411b are faced mutually.In addition, the leading section 3411 of yoke sheet 341 and the second end 312 isolation configuration of iron core 31.Therefore, in first execution mode, the second end 312 of iron core 31 is between the end of yoke sheet 341 3411 a and 3411b.In addition, the electromagnet assembly 3 in first execution mode does not have the residual plate 37 among Figure 11, and therefore, the action of the high frequency relay in first execution mode is the bistable action.In addition, be not limited to this, high frequency relay of the present invention also can equally with the high frequency relay of Figure 11 possess residual plate.In addition, also can fix on face identical or the opposite face at residual plate with the high frequency relay of Figure 11.
In addition, the plate assembly 5 in first execution mode does not have the balancing spring 56 in stator 57, the first execution modes of Figure 11 to be fixed on the base portion 340 of yoke 34.Therefore, in the first embodiment, electromagnet assembly 3 and stationary terminal 4 are installed on this susceptor body 1, and plate assembly 5 is installed on the yoke 34 of electromagnet assembly 3.In addition, the stationary terminal 4 in first execution mode has two earth terminals 44 (with reference to Fig. 2).
In addition, on the high frequency relay in the first embodiment, according to a feature of the present invention, possessing has: as the short board 6 of short circuit mechanism.This short board 6 is used to make the magnetic circuit short circuit that comprises iron core 31 and yoke 34.Particularly, shown in Fig. 2 and Fig. 5 A-5D, short board 6 is to be made by bending ram by a nonmagnetic metal plate with elasticity and conductivity, and possess opposed 60, arm sheet 61 and stator 62 and 63.Opposed 60 to form rectangular shape with the end face 3120 of the second end 312 of iron core 31 and the end 3411a and the 3411b of yoke sheet 341 to the mode of facing.In addition, has contact chip 600 (first contact site) for opposed 60.Contact chip 600 is cut into U-shaped with opposed 60 central portion and forms, and obliquely perk so that contact with the end face 3120 of the second end 312 of iron core 31.Arm sheet 61 is to bend to vertical with opposed 60 edge part with the outer surface of the end 3411a of yoke sheet 341 to the mode of facing.In addition, arm sheet 61 has pin head (nib) 610 and guide card 611.Pin 610 (second contact site) are formed at the top of arm sheet 61, and contact with the outer surface of the end 3411a of yoke sheet 341.Guide card 611 is to form to oblique outside curve by the bottom with arm sheet 61. Stator 62 and 63 is disposed at opposed 60 two ends, and they form the shape of square brackets together.In addition, stator 62 and 63 has the lock banking stop 620 and 630 of U-shaped respectively. Lock banking stop 620 and 630 is respectively from the front perk obliquely upward of stator 62 and 63. Stator 62 and 63 is pressed into respectively in the L shaped groove 121 and 122 of this susceptor body 1.Groove 121 and 122 is formed at the end face of a short sidepiece 12 of this susceptor body 1, and the inner surface of this weak point sidepiece 12 is faced mutually with the end face 3120 of the second end 312 of iron core 31 and the end 3411a and the 3411b of yoke sheet 341.In addition, has continuous opening on the end face of groove 121 and 122 each comfortable sidepiece 12 and the inner surface.
Therefore, after electromagnet assembly 3 is installed on this susceptor body 1, can be pressed into respectively in the groove 121 and 122 of this susceptor body 1, short board 6 is fixed in this susceptor body 1 by stator 62 and 63 with short board 6.At this moment, even if connect,, also can prevent the distortion of arm sheet 61 because arm sheet 61 guides through guide card 611 from groove 121 end 3411a of outstanding arm sheet 61 and yoke sheet 341 in this susceptor body 1.In addition, if short board 6 is fixed on this susceptor body 1, then the contact chip 600 of short board 6 contacts with the end face 3120 of the second end 312 of iron core 31, and the pin of short board 6 610 contacts with the outer surface of the end 3411a of yoke sheet 341.Its result, the second end 312 of iron core 31 passes through short board 6 and short circuit (with reference to Fig. 1 and Fig. 4) with the leading section of yoke sheet 341 3411.
In the high frequency relay of Figure 11, because the high-frequency insulation deficiency between electromagnet assembly 3 and the stationary terminal 4, therefore if high-frequency signal is imported stationary terminal 4, then can be near the fluctuation of insertion loss place generation shown in Fig. 6 B of the frequency band (for example 3GHz) of high-frequency signal.Fluctuation is that the resonance that the reason magnetic circuit causes produces.In the first embodiment, by utilizing leading section 3411 short circuits of short board 6, make the magnetic circuit short circuit that comprises iron core 31 and yoke 34 with the second end 312 and the yoke sheet 341 of iron core 31.Therefore, as shown in Figure 6A, the resonance frequency that is caused by magnetic circuit can be shifted near high frequency side (about 4.8GHz).Its result can be suppressed at the deterioration of the characteristic of relatively low frequency band (for example 3GHz periphery).
In addition,, therefore can not increase the magnetic resistance of magnetic circuit, thereby the operating characteristics of high frequency relay is worsened because short board 6 is made by the nonmagnetic metal plate.In addition, because short board 6 and iron core 31 and yoke 34 Elastic Contact, and make iron core 31 and yoke 34 short circuits, therefore with utilize soldering that the situation of iron core 31 and yoke 34 short circuits is compared can to simplify manufacturing process.Because short board 6 is made by metallic plate, therefore can produce short board 6 simply.And, because short board 6 possesses stator 62 and 63 are arranged, therefore do not need other fixed mechanism, and the manufacturing process of simplifying high frequency relay.
Fig. 7 is the figure of the part of the related high frequency relay of expression second execution mode of the present invention.For convenience of explanation, for same key element, mark and the identical symbol shown in first execution mode.The high frequency relay in second execution mode and first execution mode possess equally: this susceptor body, body outer cover, stationary terminal and these parts of plate assembly.In addition, though the high frequency relay in second execution mode possesses electromagnet assembly 3, electromagnet assembly 3 also possesses the residual plate 37 as short circuit mechanism according to a feature of the present invention.This residual plate 37 is a nonmagnetic material, uses it to replace short board 6 in first execution mode.
In second execution mode, by using the monostable residual plate 37 that moves usefulness surely as short circuit mechanism, needn't be as the optional feature first execution mode (being short board 6), and the resonance frequency that is caused by magnetic circuit can be shifted to high frequency side, thereby can prevent because the caused cost of the increase of components number and manufacturing process increases.
Fig. 8 is the part of the related high frequency relay of expression the 3rd execution mode of the present invention.For convenience of explanation, for same key element, mark and the identical symbol shown in first execution mode.The high frequency relay in the 3rd execution mode and first execution mode possess equally: this susceptor body, body outer cover, stationary terminal and these parts of plate assembly.In addition, though the high frequency relay in the 3rd execution mode possesses electromagnet assembly 3, electromagnet assembly 3 also possesses the short-circuit spring 7 as short circuit mechanism according to a feature of the present invention.Use this short-circuit spring 7 to replace the short board 6 of first execution mode.
Short-circuit spring 7 is single springs of being made by the nonmagnetic substance with elasticity and conductivity, and has rectangular sheet 70, contact chip 71 (first contact site) and contact chip 72 (second contact site). Contact chip 71 and 72 the reverse bendings in two ends from the long side direction of rectangular sheet 70, and tilt laterally.Contact chip 71 is 2/3rds distance " x " of the total length " L " of iron core 31 apart from the first end 311 of iron core 31, contacts with iron core 31.Contact chip 72 is contacting with the yoke sheet 341 of yoke 34 near on the position of first end side than contact chip 71.
Like this,, make iron core 31 and yoke 34 short circuits, then can will change highest frequency within the bounds of possibility into by the caused resonance frequency of magnetic circuit that comprises iron core 31 and yoke 34 if short-circuit spring 7 is located for distance " x " at the first end 311 of distance iron core 31.That is, the location of short circuit of the position of the first end 311 of the iron core 31 that combines with the base portion 340 of yoke 34 and short-circuit spring 7 becomes the node of resonance.If L ≠ x, then the second end 312 of iron core 31 becomes the antinode of resonance.Therefore,, will be made as f2 between distance x, then draw than the resonance frequency that produces on the distance x position also far away if the resonance frequency that will produce is made as f1
f1＝2x，
f2＝4(L-x)。
And, if resonance frequency f1, f2 are equal, then draw
2x＝4(L-x)
x＝2L/3。
Just, as if being 2/3rds of total length L apart from x, then resonance frequency f1 and f2 are the highest.Therefore, the conversion amount that can make resonance frequency is maximum in possible scope (based on the scope of the total length L of iron core 31).Its result, the insertion fluctuation that loss produced is also maximum to the conversion amount of high frequency side, thereby can be suppressed at the characteristic degradation of relatively low frequency band to greatest extent.
In one embodiment, short-circuit spring 7 is disposed at than the position of Fig. 8 in the inner part or position in the outer part.For example, as shown in Figure 9, also short-circuit spring 7 can be disposed at the first end side of iron core 31, or as shown in figure 10, short-circuit spring 7 be disposed at the second end side of iron core 31.For these any configuration modes, the resonance frequency that is caused by magnetic circuit can both be shifted to high frequency side.
Though the present invention preferred embodiment is illustrated with regard to several, only otherwise break away from the spirit and scope of script of the present invention, the practitioner can carry out various modifications and distortion.
Claims (6)
1. a high frequency relay is characterized in that,
Possess: electromagnet assembly, plate assembly, stationary terminal, this susceptor body and short circuit mechanism,
Wherein, above-mentioned electromagnet assembly has iron core, coil and yoke, above-mentioned iron core has first and second end, above-mentioned coil be wrapped in this iron core around, above-mentioned yoke has base portion and leading section, the above-mentioned base portion of above-mentioned yoke combines with the above-mentioned first end of above-mentioned iron core, the above-mentioned leading section of above-mentioned yoke from above-mentioned base portion extend to above-mentioned iron core above-mentioned the second end and with above-mentioned the second end isolation configuration;
Above-mentioned plate assembly has at least one armature and at least one movable contact plate, above-mentioned armature is disposed between the above-mentioned leading section of the above-mentioned the second end of above-mentioned iron core and above-mentioned yoke, and above-mentioned movable contact plate moves by any side draught of above-mentioned armature in above-mentioned the second end and above-mentioned leading section drawn;
The said fixing terminal assemblies has at least two fixed terminals, and above-mentioned two fixed terminals are electrically connected or are cut off through above-mentioned movable contact plate;
Above-mentioned susceptor body made by insulating material, is equipped with above-mentioned electromagnet assembly and said fixing terminal assemblies on above-mentioned susceptor body;
Above-mentioned short circuit mechanism makes the magnetic circuit short circuit that comprises above-mentioned iron core and above-mentioned yoke in the part of the above-mentioned base portion that leaves above-mentioned yoke of above-mentioned iron core.
2. high frequency relay according to claim 1 is characterized in that,
Above-mentioned short circuit mechanism is the nonmagnetic material with conductivity.
3. high frequency relay according to claim 1 is characterized in that,
Above-mentioned short circuit mechanism is made by the material with elasticity and conductivity, and flexibly contacts and make the magnetic circuit short circuit that comprises above-mentioned iron core and above-mentioned yoke with above-mentioned iron core and above-mentioned yoke.
4. high frequency relay according to claim 2 is characterized in that,
Above-mentioned short circuit mechanism is made by the material with elasticity and conductivity, and flexibly contacts and make the magnetic circuit short circuit that comprises above-mentioned iron core and above-mentioned yoke with above-mentioned iron core and above-mentioned yoke.
5. according to any described high frequency relay in the claim 1 to 4, it is characterized in that,
Above-mentioned short circuit mechanism is made by metallic plate, above-mentioned metallic plate has incorporate stator and first and second contact site, the said fixing sheet is fixed on above-mentioned the susceptor body, and above-mentioned first contact site contacts with above-mentioned iron core, and above-mentioned second contact site contacts with above-mentioned yoke.
6. according to any described high frequency relay in the claim 1 to 4, it is characterized in that,
Above-mentioned iron core is the I font, and above-mentioned iron core has above-mentioned first and second end at two ends,
Above-mentioned short circuit mechanism makes the magnetic circuit short circuit that comprises above-mentioned iron core and above-mentioned yoke in 2/3rds the distance that apart from above-mentioned first end is the total length of above-mentioned iron core.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007161624 | 2007-06-19 | ||
| JP2007161624A JP4363462B2 (en) | 2007-06-19 | 2007-06-19 | High frequency relay |
| JP2007-161624 | 2007-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101329967A CN101329967A (en) | 2008-12-24 |
| CN101329967B true CN101329967B (en) | 2011-05-18 |
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ID=40205708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101266505A Expired - Fee Related CN101329967B (en) | 2007-06-19 | 2008-06-17 | High frequency relay |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4363462B2 (en) |
| CN (1) | CN101329967B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706052B (en) * | 2017-10-23 | 2021-03-30 | 三友联众集团股份有限公司 | Iron core oscillating relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202927U (en) * | 1985-07-15 | 1986-05-28 | 纪斯正 | Resonant-reed (fixed on a diaphragm) relay |
| CN2066210U (en) * | 1989-08-16 | 1990-11-21 | 王焉生 | Relay frequency splitting four-cycle controller |
| CN1135121A (en) * | 1995-02-14 | 1996-11-06 | 株式会社村田制作所 | Piezoelectric component having curved relay terminal |
-
2007
- 2007-06-19 JP JP2007161624A patent/JP4363462B2/en not_active Expired - Fee Related
-
2008
- 2008-06-17 CN CN2008101266505A patent/CN101329967B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85202927U (en) * | 1985-07-15 | 1986-05-28 | 纪斯正 | Resonant-reed (fixed on a diaphragm) relay |
| CN2066210U (en) * | 1989-08-16 | 1990-11-21 | 王焉生 | Relay frequency splitting four-cycle controller |
| CN1135121A (en) * | 1995-02-14 | 1996-11-06 | 株式会社村田制作所 | Piezoelectric component having curved relay terminal |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-182499A 2000.06.30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009004122A (en) | 2009-01-08 |
| CN101329967A (en) | 2008-12-24 |
| JP4363462B2 (en) | 2009-11-11 |
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Granted publication date: 20110518 Termination date: 20210617 |