CN1051259A - The looseness eliminator for tape of blattnerphone - Google Patents
The looseness eliminator for tape of blattnerphone Download PDFInfo
- Publication number
- CN1051259A CN1051259A CN90100177A CN90100177A CN1051259A CN 1051259 A CN1051259 A CN 1051259A CN 90100177 A CN90100177 A CN 90100177A CN 90100177 A CN90100177 A CN 90100177A CN 1051259 A CN1051259 A CN 1051259A
- Authority
- CN
- China
- Prior art keywords
- tape
- mentioned
- spool
- looseing
- hub
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/43—Control or regulation of mechanical tension of record carrier, e.g. tape tension
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/10—Manually-operated control; Solenoid-operated control
- G11B15/106—Manually-operated control; Solenoid-operated control mechanically operated
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Automatic Tape Cassette Changers (AREA)
Abstract
Mechanism is eliminated in a kind of tape looseing of blattnerphone, it is characterized in that wherein having that power switch, rotary transfer machine, arrestment mechanism, control gear, tape cassete testing agency, tape looseing survey inspection mechanism and the selection operation of the connection CD-ROM drive motor of eliminating tape looseing forbidden mechanism.Mechanism is eliminated in this kind tape looseing can not only eliminate the lax of tape automatically, can also forbid carrying out under the tape looseing state operation that manner of execution is selected.
Description
Among the present invention, if the lax of this tape can be automatically eliminated in the tape looseing in the magnetic tape cassette of packing into.The invention relates to looseness eliminator for tape.
If do not use magnetic tape cassette, owing to reasons such as external vibrations, the tape in the box is lax fully sometimes.If when packing in the blattnerphone such magnetic tape cassette into beginning playback action, lax tape can twist on capstan roller and the pinch wheel, can damage tape and blattnerphone like this.
In order to prevent this situation, as countermeasure, it seems from existing technology and numerous patented claims to know how colleagues hanker after addressing this problem in earnest, for example:
Special public clear 50-9408 number
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The spy opens clear 51-88007 number
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Real public clear 52-56804 number
Open clear 49-86821 number in fact
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Open clear 50-105407 number in fact
Open clear 50-105408 number in fact
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Deng, all be method about addressing this is that.
But these existing technology all are by improving the peripheral mechanism of pinch wheel and capstan roller, with not allowing lax tape twist in method on pinch wheel and the capstan roller, perhaps when tape twists on pinch wheel and the capstan roller, detect as soon as possible.
The former method can not prevent really that tape is involved between pinch wheel and the capstan roller, and the latter's method knows that only tape twists in the fact on pinch wheel and the capstan roller, the basic game method of can not saying so.Also have, more than two kinds of methods, be not the method for eliminating tape looseing, so when tape produces laxly, when perhaps tape twisted on pinch wheel and the capstan roller, fault was got rid of in shut-down operation immediately, this is the thing of part trouble.
Moreover, in the real fair 1-27135 patent, eliminate when operating if carry out tape looseing, just the braking of tape side is disengaged, and on the hub of a spool for the band side, still is added with braking.This Patent exploitation eliminate the technology of tape looseing.
But in order to eliminate tape looseing, this is operated especially must specially to carry out " elimination tape looseing ", also is pretty troublesome.
The elimination tape looseing device of first kind of invention, be to pack magnetic tape cassette into hub of a spool when carrying out the manner of execution selection operation, the used motor drive circuit of usual action makes the tape drive motor energized, usually the transmission of torque that the used rotary transfer machine that moves makes motor forms selected manner of execution to hub of a spool.In such blattnerphone, it is characterized in that having the necessary condition of following a～f.
A. have connect above-mentioned tape drive motor power supply for eliminating the power switch of the motor that tape looseing uses.
B. have and eliminate the rotary transfer machine that tape looseing is used, this mechanism can be with the transmission of torque of above-mentioned tape drive motor to an above-mentioned hub of a spool.
C., the arrestment mechanism of forbidding another specially appointed hub of a spool rotation is arranged.
D., control gear (11) is arranged, at ordinary times, the motor switch that above-mentioned elimination tape looseing is used with spring force is in off position, and the transmission path of the rotary transfer machine that above-mentioned elimination tape looseing is used disconnects, and, make above-mentioned control gear be in the position of leaving above-mentioned another hub of a spool.
E., tape cassete testing agency is arranged, usually, a part that makes this mechanism with spring force is in the filling scope of magnetic tape cassette, this part is pressed on the magnetic tape cassette, above-mentioned control gear moves to the direction of antagonism spring force when this mechanism moves, and makes to eliminate the motor switch connection that tape looseing is used, and makes above-mentioned arrestment mechanism move on to the position of forbidding facing to another hub of a spool rotation, in addition, the rotary transfer machine used of above-mentioned elimination tape looseing is shifted to rotation and is transmitted the position.
F., tape looseing testing agency is arranged, and this mechanism can detect stopping of another specific hub of a spool, and the magnetic tape tension that perhaps detects between a pair of hub of a spool increases, to remove being connected of above-mentioned tape cassete testing agency and above-mentioned control gear.At this moment, spring force resets control gear, and the motor switch that above-mentioned elimination tape looseing is used disconnects, and above-mentioned control gear leaves another hub of a spool, and the transmission path of the rotary transfer machine that above-mentioned elimination tape looseing is used disconnects.
Second kind of looseness eliminator for tape of invention except above-mentioned first kind of invention, also has characteristics, promptly has selection operation and forbids mechanism.This selection operation is forbidden mechanism and the interlock of above-mentioned control gear, control gear is because the effect of above-mentioned tape cassete testing agency, when the direction of antagonism spring force moves, forbid that the travel mechanism relevant with above-mentioned manner of execution selection operation of mechanism connects, and forbids moving of this mechanism.
First kind of looseness eliminator for tape of invention, be to pack into behind the magnetic tape cassette, produce lax as the tape in the compartmentalized box for holding assorted fruits and candies, the motor switch of eliminating lax usefulness can make the tape drive motor energized, the torque of this motor is by being used to eliminate the rotary transfer machine of tape looseing, be delivered to a hub of a spool, another hub of a spool is braked the mechanism disables rotation.
Therefore, if the tape looseing that testing agency detects in the magnetic tape cassette is eliminated, the rotary transfer machine of then above-mentioned elimination tape looseing disconnects transmission path, the arrestment mechanism brake off, and, switch to eliminate the motor switch that tape looseing is used, motor power is disconnected and stop the rotation.Thereby, when selecting manner of execution such as playback, recording, express delivery, rewinding, can make tape under unflagging state, beginning fixed action.
Second kind of looseness eliminator for tape of invention except that the means of first invention, also has selection operation and forbids mechanism, short of elimination tape lax, and the manner of execution selection operation just is under an embargo.So even in the course of action that tape looseing is eliminated, when carrying out the Action Selection operation, action can not be carried out, security can improve.
Be the 1st embodiment of the present invention shown in the 1st figure to the 6 figure, on blattnerphone substrate 1, be provided with pair of right and left hub of a spool 2a, 2b, and, at hub of a spool 2a, 2b below separately is provided with the tape reel gear 3a as the tape reel seat, 3b, the below of the hub of a spool 2b on the left side, periphery are keep plate 4 overlapping being contained on the hub of a spool 3b of serration shape.
At a pair of hub of a spool 2a, on the 2b, shown in the 2nd figure～the 4th figure, the magnetic tape cassette 5 of packing into, on blattnerphone substrate 1, tape cassete testing agency 6 is equipped with at the back side of magnetic tape cassette 5.Tape cassete testing agency 6 is the center with axle 6a, can freely rotate, because spring 7 presses counter-clockwise direction reinforcing among the figure, makes the warpage sheet 8 of one end be positioned at the filling scope of magnetic tape cassette 5.On this warpage sheet 8, shown in the 5th figure, be provided with dip plane 8a, when packing magnetic tape cassette 5 into, by the back side that is pressed in magnetic tape cassette 5, clockwise direction is rotated in figure with its dip plane 8a.On the other end warpage sheet 9 of testing agency 6, also be provided with dip plane 9a, when an end of this dip plane 9a and sliding panel 10 slips, deflection downwards between axle 6a and the warpage sheet 9.
At two hub of a spool 2a, 2b, being provided with axle 11a is control gear 11 center, free to rotate, this control gear 11 is extended with three support arms 12,13,14 from the outside radiation of its center of rotation.The side of the 1st support arm 12 is provided with pawl 15, the periphery of the above-mentioned keep plate 4 of pawl 15 subtends, and pawl 15 and above-mentioned keep plate 4 are formed the arrestment mechanism 16 of forbidding hub of a spool 2b rotation.
17 is the pinion wheels that link to each other with tape drive motor among the figure, this is when carrying out the common action of playback, recording, express delivery, rewinding etc., with the transmission of torque of tape drive motor 18 on hub of a spool 2a or 2b, with the part of the rotary transfer machine that forms common action usefulness.
With axle 19a is the dwang 19 that freely rotate at the center, shown in the 6th figure, by supporting with the 1st, the 2nd transmission gear 20,21 shared axles 22, in addition, corresponding to the rotation of dwang 19, the 1st, the 2nd transmission gear 20,21 meshes simultaneously or leaves with above-mentioned pinion wheel 17 and hub of a spool 3a.On above-mentioned axle 22, adorning volute spring the 23, the 2nd transmission gear 21, friction disc the 24, the 1st transmission gear 20 in turn.Like this,, constitute and eliminate the rotary transfer machine 25 that tape looseing is used to tape reel gear 3a from gear 17.26 is the spring flanges that prevent that the 1st, the 2nd transmission gear 20,21 etc. from deviating from from axle 22 among the figure.
The upper central part of above-mentioned the 1st transmission gear 20 is provided with offset cam 27, near the weakness of offset cam 27 radiuses, is provided with attachment 28.Above-mentioned the 2nd transmission gear 21 has the bossing 21a of circle cylinders shape, and this bossing 21a and friction disc 24 and the 1st transmission gear 20 are chimeric.Above the 1st transmission gear 20, an end of the chimeric rotation detection lug 29 of elasticity from the side, the pivoting end of rotation detection lug 29 has pad 30.
In addition, the part of above-mentioned dwang 19 is to connect groove 31, in this connects groove 31, connecting pin 32 is housed, and is connected with the front end of the 2nd support arm 13 of above-mentioned control member 11.In addition, near position this connecting pin 32 is by the above-mentioned sliding panel 10 of pivot 33 devices, free to rotate and slip.One end of sliding panel 10 has cam pin 34, and usually, spring 35 is to the reinforcing of one end.Constitute tape looseing testing agency 36 by above-mentioned offset cam 27, connection projection 28, rotation detection lug 29 and sliding panel 10.
The 3rd support arm 14 of above-mentioned control gear 11 is controlled the motor switch 37 that normally closed elimination tape looseing is used.Promptly, control gear 11 is because the effect of spring 38, rotate to a direction, this rotation direction, above-mentioned pawl 15 is thrown off from keep plate 4, and the 1st, the 2nd transmission gear 20,21 leaves from pinion wheel 17 and tape reel gear 3a respectively, and above-mentioned dwang 19 rotates, and, make switch 37 be in off state.Have, control gear 11 near the lateral edge facing to above-mentioned tape cassete testing agency 6, is provided with warpage sheet 39 near pivot 33 again.The 1st support arm 12 of control gear 11 is pushed an end of L shaped non-return fork 40 by the elastic force of spring 38, and non-return fork 40 is the center with axle 40a, and antagonism spring 41 press clockwise direction rotation among the figure.At the other end of non-return fork 40, be provided with brake component 43, the slip that it can quiescing control lever check plate 42.Motion action control lever check plate 42 is provided with manner of execution selection operation control levers 44,45,46,47 such as recording parallel to each other, playback, express delivery, rewinding, and they can be free to slide alternately.Check plate 42 because the effect of spring 48, have usually left among the deflection figure to trend.At contact pin 44a, the 45a of each selection operation control lever 44,45,46,47, the relative position of 46a, 47a, dip plane 49,50,51,52 is arranged, the end of each dip plane is connected with non-return concave part 49a, 50a, 51a, 52a.And, no matter push which operation control lever, for example, select control lever 45 if push playback modes, its joint fastener 45a is pressed dip plane 50, right moves in figure, after joint fastener 45a leaves the end of dip plane 50, because the effect of spring 48 is moved some distances to left, non-return concave part 50a and joint fastener 45a are harmonious, and operation is selected control lever 45 to be in and is pressed into the position.
On operation control lever check plate 42, the relative part of joint fastener 53a with shut-down operation control lever 53 also is provided with dip plane 54.If be pressed into shut-down operation control lever 53, dip plane 54 is pressed against above the joint fastener 53a, shifts to right among the figure, and playback modes selection operation control lever 45 grades are unclamped from being pressed into the position.In addition, check plate 42 has a teat 55, facing to the detent 43 of above-mentioned non-return fork 40, shown in the 2nd figure and the 3rd figure.When the 1st support arm 12 that is not controlled mechanism 11 when non-return fork 40 is pushed, because contacting of engagement tab 55 and brake component 43, can forbid that check plate 42 moves to right, thereby, can forbid carrying out the push operation that manner of execution is selected control operation bar 44,45,46,47.
Check plate 42 right-hand is furnished with the motor switch 56 of the common action usefulness of often opening.When check plate 42 was in the bulged-in position of some manner of execution selection operation control levers (44,45,46 or 47), this switch 56 will be pressed into group at the right-hand member of check plate 42 and close state.The motor switch 37 that this switch 56 and above-mentioned elimination tape looseing are used is in parallel mutually, open which switch connection of opinion, all can make tape drive motor 18 energized.
Therefore, under the 1st figure state of the magnetic tape cassette 5 of not packing into, tape cassete testing agency 6 is because the tractive of spring 38, rotation counter clockwise.Thereby, disconnect owing to eliminate the motor switch 37 that tape looseing uses, also be in off-state and move the motor switch 56 of usefulness usually, tape drive motor 18 is disconnected power supply and is stopped operating.In addition, above-mentioned pawl 15 also leaves from keep plate 4, and the 1st, the 2nd transmission gear 20,21 also leaves from pinion wheel 17 and tape reel gear 3a respectively.
Now, if when inner tape produced lax magnetic tape cassette 5 and pack two hub of a spool 2a, 2b into, shown in the 2nd figure, at the back side of magnetic tape cassette 5, tape cassete testing agency 6 moves in the direction of the clock.Therefore, the edge part of tape cassete testing agency 6 contacts with warpage sheet 39, and control gear 11 is moved in the direction of the clock.Like this, eliminate motor switch 37 connections that tape looseing is used, tape drive motor 18 starts rotation.In addition, pawl 15 is engaged in keep plate 4, forbids hub of a spool 2b rotation, and the 1st, the 2nd transmission gear 20,21 meshes with pinion wheel 17 and tape reel gear 3a respectively, and the transmission of torque of motor 18 is to hub of a spool 2a.In addition, non-return fork 40 is rotated to counter-clockwise direction by spring 41 tractives, makes teat 55 crimping of its detent 43 and operation control lever check plate 42, forbids that check plate 42 moves to right.Rotation detection lug 29 is because the torque of the 2nd transmission gear 21 obtains clockwise torque, and it is pressing the side of sliding panel 10,34 side faces that are pressed against offset cam 27 of cam pin by pad 30.
Like this, the just rotation of a hub of a spool 2a, batching the tape looseing part in the magnetic tape cassette 5, and another hub of a spool 2b is because the effect of arrestment mechanism 16, and rotation is under an embargo.
In case eliminated the tape looseing state in the magnetic tape cassette 5,1st, produce slip between the 2nd transmission gear 20,21, because hub of a spool 2a and the 2nd transmission gear 21 are in halted state, rotation detection lug 29 loses torque, pressing force to sliding panel 10 disappears, cam pin 34 through the greatest radius portion of offset cam 27, relies on the swing-around trajectory of engagement tab 28 shown in the 3rd figure.
Therefore, the torque of the 1st transmission gear 20 is delivered to sliding panel 10 by engagement tab 28 and cam pin 34, and sliding panel 10 is moved to the direction of antagonism spring 35.So an end of sliding panel 10 slips on the 9a of the dip plane of tape cassete testing agency 6, tape cassete testing agency 6 shown in imaginary line among the 5th figure, deflection downwards between the warpage sheet 9 of axle 6a.Shown in the 4th figure, the joint of the warpage sheet 39 of tape cassete testing agency 6 and control gear 11 is disengaged, and control gear 11 is pressed clockwise direction recovery rotation among the figure by the effect of spring 38.
Because control gear 11 has recovered rotation, switch 37 disconnects, and motor 18 stops operating, and pawl 15 leaves keep plate 4, no longer forbids the rotation of hub of a spool 2b.1st, the 2nd transmission gear 20,21 leaves pinion wheel 17 and tape reel gear 3a respectively, and by eliminating the rotary transfer machine 25 that tape looseing is used, the rotation transmission path from tape drive motor 18 to hub of a spool 2a disconnects.The 1st support arm 12 rotates non-return fork 40, and no longer quiescing control lever check plate 42 to right-hand moving.Thereby as when pushing the manner of execution that will carry out and selecting control lever (44,45,46 or 47), operation control lever check plate 42 moves to right.So, moving 56 one-tenth on-states of motor switch of usefulness usually, motor 18 starts, and can carry out selected action under the state that tape not have to relax.
After this, push shut-down operation control lever 53, make release.In case take out magnetic tape cassette 5, the position of the 1st figure is got back to owing to the effect of spring 7 by tape cassete testing agency 6, prepares to pack into next magnetic tape cassette.
More than, with an embodiment the present invention has been described.But the present invention is not only limited to this point.For example, in the above-described embodiments, the tape looseing detection means is to stop operating by hub of a spool 2a, detect tape looseing and eliminated such mechanism, but also can with the method for the method of mechanism, electricity, and the magnetic tape tension that detects between a pair of hub of a spool 2a, 2b of other means increase such mechanism.In addition, when tape looseing is eliminated, throw off in order to make tape cassete testing agency and control gear, in the above-described embodiments, also can be with making tape cassete testing agency become curved in the thickness of slab direction, the method that plate face direction is moved mutually realizes.
As described above, among the present invention,, when packing magnetic tape cassette into, when relaxing, can automatically eliminate the lax of this part tape, the invention provides the looseness eliminator for tape of blattnerphone as inner tape generation without any need for special operation.
In addition,,, add the mechanism of the 1st invention, can forbid under the tape looseing state, carrying out the operation that manner of execution is selected owing to be provided with the mechanism that forbids of selection operation in the 2nd invention.And, also can prevent really in the elimination process of tape looseing, carry out the operation that manner of execution is selected.More than, be the effect that the present invention obtains.
Accompanying drawing is expression one embodiment of the present of invention mechanisms, and the 1st figure to the 4 figure are planimetric maps of expression looseness eliminator for tape action.Shown in the 5th figure is the oblique view of the part of same device, and the 6th figure represents to eliminate the exploded perspective view of the rotation transfer means of lax usefulness.
2a, 2b ... hub of a spool
5 ... magnetic tape cassette
6 ... testing agency
11 ... control gear
16 ... arrestment mechanism
18 ... tape drive motor
25 ... eliminate the rotary transfer machine that tape looseing is used
36 ... tape looseing testing agency
37 ... eliminate the motor switch that tape looseing is used
40 ... non-return fork (selection operation is forbidden member)
Claims (2)
1, the loose cancellation element of a kind of tape of blattnerphone, when magnetic tape cassette (5) is contained in tape shaft (2a, when 2b) the mode selection operation is made in enterprising action, usually the motor drive circuit of usefulness makes tape drive motor (18) energized, the torque of motor (18), rotation transfer means with common action, be delivered on the hub of a spool, it is characterized in that, in the looseness eliminator for tape of this blattnerphone:
A. has the power switch (37) of eliminating the above-mentioned CD-ROM drive motor of connection (18) that tape looseing uses.
B. have the rotary transfer machine (25) of eliminating the loose usefulness of tape, this mechanism can arrive the transmission of torque of above-mentioned tape drive motor (18) on the above-mentioned hub of a spool (2a).
C. have arrestment mechanism (16), it can forbid the rotation of another hub of a spool (2b) of special provision.
D. has control gear (11), at ordinary times, this mechanism makes the power switch (37) of the motor that above-mentioned elimination tape looseing uses be in off position with spring force, the transmission path of the rotary transfer machine (25) of the lax usefulness of above-mentioned elimination is disconnected, and make above-mentioned arrestment mechanism (16) leave above-mentioned another hub of a spool (2b).
E. has tape cassete testing agency (6), usual this mechanism makes its part in the filling scope of magnetic tape cassette (5) with spring force, push down tape cassete (5), when this mechanism moves, above-mentioned control gear (11) is moved to the direction of antagonism spring force, thus, the motor switch (37) that above-mentioned elimination tape looseing is used becomes on-state, above-mentioned arrestment mechanism (16) moves to the position of forbidding another hub of a spool (2b) rotation, and makes the rotary transfer machine (25) of the loose usefulness of above-mentioned elimination tape shift to rotation transmission position.
F, has tape looseing testing agency (36), this mechanism can detect stopping of specific another hub of a spool 2b, perhaps detect a pair of hub of a spool (2a, the tension force of tape increases 2b), above-mentioned boxlike testing agency (6) and above-mentioned control gear (11) are disengaged, effect by spring force, this control gear (11) is resetted, above-mentioned elimination tape looseing is opened circuit with motor power switch, make above-mentioned control gear (16) leave another hub of a spool (2b), and the rotary transfer machine (25) that above-mentioned elimination tape looseing is used is shifted to the position that the rotation transmission path disconnects.
2, according to the looseness eliminator for tape of the described blattnerphone of claim, it is characterized in that, wherein also have selection operation and forbid mechanism (40), this is the mechanism that links with above-mentioned control gear, control gear is because the effect of above-mentioned tape cassete testing agency (6), when the direction of antagonism spring force moved, the above-mentioned travel mechanism relevant with the manner of execution selection operation linked to each other with forbidding mechanism, forbade moving of this mechanism.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1275702A JPH0626029B2 (en) | 1989-10-23 | 1989-10-23 | Tape slack eliminating device for tape recorders |
| JP275702/89 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1051259A true CN1051259A (en) | 1991-05-08 |
Family
ID=17559173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90100177A Pending CN1051259A (en) | 1989-10-23 | 1990-01-17 | The looseness eliminator for tape of blattnerphone |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH0626029B2 (en) |
| KR (1) | KR920007321B1 (en) |
| CN (1) | CN1051259A (en) |
| GB (1) | GB2237438A (en) |
-
1989
- 1989-10-23 JP JP1275702A patent/JPH0626029B2/en not_active Expired - Lifetime
- 1989-11-09 KR KR1019890016215A patent/KR920007321B1/en not_active IP Right Cessation
-
1990
- 1990-01-17 CN CN90100177A patent/CN1051259A/en active Pending
- 1990-02-14 GB GB9003385A patent/GB2237438A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626029B2 (en) | 1994-04-06 |
| GB2237438A (en) | 1991-05-01 |
| KR910008682A (en) | 1991-05-31 |
| KR920007321B1 (en) | 1992-08-29 |
| GB9003385D0 (en) | 1990-04-11 |
| JPH03137842A (en) | 1991-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |