CN1262175A - Character impression device - Google Patents
Character impression device Download PDFInfo
- Publication number
- CN1262175A CN1262175A CN99119627A CN99119627A CN1262175A CN 1262175 A CN1262175 A CN 1262175A CN 99119627 A CN99119627 A CN 99119627A CN 99119627 A CN99119627 A CN 99119627A CN 1262175 A CN1262175 A CN 1262175A
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- CN
- China
- Prior art keywords
- mentioned
- hammer
- forth
- balance weight
- counter
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000005465 channeling Effects 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 49
- 239000000806 elastomer Substances 0.000 description 48
- 230000000694 effects Effects 0.000 description 4
- 239000012814 acoustic material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/80—Ground anchors
- E02D5/805—Ground anchors with deformable anchoring members
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Impact Printers (AREA)
Abstract
To decrease sounds generated subsequent upon a collision to an elastic body by arranging a reversal-urging means of a shuttle mechanism having the elastic body at a nearly middle position between collision faces at a hammer bank side and a counter balancer side. An elastic body 40 as a reversal-urging means is arranged at nearly a center of a direct acting bearing 12b at the side of a hammer bank 10 on a guide shaft 11 and a direct acting bearing 12c at the side of a counter balancer 21, and moreover nearly a center of the elastic body 40 is fixed by a guide 41. When the hammer bank 10 moves to a left reversal position, the direct acting bearing 12b at the side of the hammer bank collides from the right side of the elastic body 40 at a relative speed (v), and the direct acting bearing 12c at the side of the counter balancer collides from the left side of the elastic body 40 at the relative velocity (v). Supposing that the elastic body 40 is a system reference and a mass of each side is (m), when an energy at the time of the collision at the side of the hammer bank, at the side of the counter balancer is Esh, Esc, a total energy at the collision becomes E1=Esh+ Esc=1/2mv2+1/2mv2=mv2 and dispersed to a heat, a sound, a force pressing the elastic body, and the like.
Description
The present invention relates to a kind ofly organize the printing device that carries out lettering in the reciprocating process near the printing device of the particularly a kind of reciprocating separately amplitude of balance weight two ends of moving both counter-rotatings being exerted pressure in the hammer group with this hammer group phase reversal at hammer.
For hammering the reciprocating motion of group into shape, known printing device has adopted portion of linear electrical formula reciprocator.Fig. 1 expresses the structure of portion of linear electrical formula reciprocator in the past.
In hammer group 10, the hammer that not shown a plurality of dot matrix letterings are used is set up in parallel on the same in the drawings unshowned recording medium width.Hammer group 10 is supported on straight dynamic bearing 12a, on the 12b, and on the axis of guide 11, move back and forth, adopt linear motor 20 as making hammer organize 10 reciprocating drive sources, this linear motor 20 is supported on the straight dynamic bearing 12c, drives hammer group with phase reversal along the axis of guide by reversing device described later portion 30.Linear motor 20 is made of coil 21 and magnet, and the S utmost point of this magnet and the N utmost point are alternately arranged, and coil 21 is removable with respect to the magnet of fixed configurations.
Above-mentioned reversing device portion 30 is by a pair of Timing Belt wheel 32 that sets at interval by preset distance and open the Timing Belt 31 of frame between this Timing Belt wheel 32 and constitute, and hammer group 10 and coil 21 are attached to the upside and the downside of Timing Belt 31 respectively.When driving linear motor winding 21 move left and right, with fixing also equidirectional the moving of Timing Belt 31 downsides of coil 21, thereupon, Timing Belt 31 upsides fixing with hammer group 10 move with the direction opposite with coil 21 moving directions.That is, the power of linear motor 20 passes to hammer group 10 by reversing device portion 30, and hammer group 10 just moves back and forth.At this moment, hammer group 10 moves with coil 21 is reverse mutually, and coil 21 is as the balance weight of hammer group 10.Thereby, be with the Quality Design of coil 21 and hammer group 10 for equal in fact.When coil 21 is realized the function of balance weight, be balance weight 21 to call coil 21 in the following text.
When hammer group 10 moved right, balance weight 21 just was moved to the left, and when hammer group 10 just in time arrived the right side backward position, the straight dynamic bearing 12a of hammer group 10 and the straight dynamic bearing 12c of balance weight 21 will collide.Similarly, when hammer group 10 was moved to the left, balance weight 21 will move right, and when hammer group 10 just in time arrived the left side backward position, the straight dynamic bearing 12b of hammer group 10 and the straight dynamic bearing 12c of balance weight 21 will collide.In fact, for fear of the straight dynamic bearing 12a of hammer group 10, the collision of the straight dynamic bearing 12c of 12b and balance weight 21 as described later, is provided with elastomer between collision face, perhaps do not collide by Electric Machine Control.
In structure in the past shown in Figure 1, hammer is organized the elastomer 40 that sets between the collision face of the collision face of 10 1 sides and balance weight 21 1 sides as the counter-rotating pressure exerting arrangement, in the time of near hammer group 10 arrives two backward positions, allow each collision face and elastomer 40 collide, by the bounce of pushing elastomer 40, become the structure of the application of force of reversing.
At this, exist elastomer 40 to be fixed on hammer to organize the situation of 10 1 sides or balance weight 21 1 sides and fixing and be configured in the situation of optional position between various prominent faces.Fig. 1 represents that elastomer 40 is fixed on the example on the straight dynamic bearing 12c of balance weight side.
Fig. 2 is the enlarged drawing in the zone of being risen by circle of Fig. 1.As shown in Figure 2 and since be fixed on straight dynamic bearing 12b that elastomer 40 on the straight dynamic bearing 12c of balance weight 21 sides and hammer organize 10 1 sides mutually with speed v near colliding, the relative velocity of collision is 2v, becomes the main cause that increases noise when colliding.
Noise in order to reduce to collide is often installed padded coaming 60 as shown in Figure 3 on collision face.This padded coaming 60 preferably is made of the material of softness, but inundue soft, also will have certain rigidity.But, organize the optional position between the collision face of the collision face of 10 sides and balance weight 21 sides at elastomer 40 at hammer and under the unfixed situation, can have following problem.
Do not organize middle position between the straight dynamic bearing 12c of the straight dynamic bearing 12b of 10 1 sides and balance weight 21 1 sides at elastomer 40 at hammer, and under the situation of the nearer position of the straight dynamic bearing 12b that organizes 10 sides from hammer, the straight dynamic bearing 12b that hammer is organized 10 1 sides collides earlier, and the straight dynamic bearing 12c of balance weight one side collides again thereafter.Below, initial collision is called 1 collision, collision thereafter is called 2 collisions.Organize 1 time of straight dynamic bearing 12b of 10 1 sides and collide when impacting when above-mentioned padded coaming 60 can not all absorb hammer, because of the trend of colliding makes elastomer 40 bounce-backs, to straight dynamic bearing 12c one side shifting of balance weight 21 1 sides.Take place 2 times and collide, elastomer 40 is in this same bounce-back, once more to straight dynamic bearing 12b one side shifting of hammer group side at once.Afterwards, the straight dynamic bearing of both sides is approaching, till contact resilient body 40, similarly repeats 3 times and collides, 4 collisions.
Like this, be in the unfixed occasion in optional position on the axis of guide 11, exist multiple collision takes place, and each collision all produce the problem of noise at elastomer 40.On the printing device that does not outwards send above-mentioned collision noise, just need add acoustic material, become the main cause that price raises.
The present invention its objective is to reduce to follow with elastomer in being equipped with as the elastomeric reciprocator of counter-rotating pressure exerting arrangement and collides and the sound of generation in order to improve the shortcoming of above-mentioned prior art.
Another object of the present invention is: elastomer is in optional position between the two collision faces that move back and forth with phase reversal and under the situation of unfixed structure, reduces the sound that produces because of multiple collision in reciprocator.
In order to achieve the above object, according to printing device of the present invention, the portion of reciprocator that it comprises the hammer group with a plurality of dot matrix hammers and this hammer group broad ways is moved back and forth, in the process that above-mentioned hammer group moves, drive above-mentioned dot matrix hammer and carry out lettering, it also comprises the balance weight that phase reversal moves back and forth that moves back and forth with above-mentioned hammer group, dispose the counter-rotating pressure exerting arrangement that is used to apply reversal pressure near the amplitude two ends that above-mentioned hammer group or balance weight move back and forth, above-mentioned counter-rotating pressure exerting arrangement is provided in above-mentioned hammer and organizes between each collision face of a side and above-mentioned balance weight one side roughly centre position.
The channeling conduct that moves back and forth for to above-mentioned hammer group, above-mentioned balance weight and counter-rotating pressure exerting arrangement all is attached to them on the axis of guide, and the maintenance material that keeps the above-mentioned axis of guide can be set in above-mentioned counter-rotating pressure exerting arrangement.
In addition, the portion of reciprocator that printing device of the present invention comprises the hammer group with a plurality of dot matrix hammers and this hammer group broad ways is moved back and forth, in the process that above-mentioned hammer group moves back and forth, drive above-mentioned dot matrix hammer and carry out lettering, it also comprise with the balance weight that phase reversal moves back and forth that moves back and forth of above-mentioned hammer group, near the amplitude two ends that above-mentioned hammer group or balance weight move back and forth, dispose the counter-rotating pressure exerting arrangement that is used to apply reversal pressure, each collision face that the above-mentioned hammer of above-mentioned counter-rotating pressure exerting arrangement is organized a side or above-mentioned balance weight one side constitutes two-layer structure by the padded coaming of softness and hard padded coaming, the padded coaming of above-mentioned softness absorbs the impact after hammer group or the balance weight collision, and above-mentioned hard padded coaming can bear counter-rotating action thereafter.By such structure, on the elastomer collision face of conduct counter-rotating pressure exerting arrangement, can have the elasticity of colliding the weak grow afterwards in back and change, can reduce the impact and the multiple collision that collide.
By reducing such sound, just can reduce the sound levels of sending from printing equipment, cut down the expense and the installation work-hour of acoustic material, cheap printing equipment can be provided.
Fig. 1 is the general principal view of expression conventional art reciprocating mechanism portion.
Fig. 2 is the concept map of the collision action of expression conventional art.
Fig. 3 is near the cutaway view of elastomer of an example of expression conventional art.
Fig. 4 is near the structure chart the elastomer of the present invention.
Fig. 5 is the concept map that expression the present invention collides action.
Fig. 6 is near the sectional drawing of elastomer of an example of expression the present invention.
Fig. 7 is near the sectional drawing of elastomer of other example of expression the present invention.
Fig. 8 is near the sectional drawing of elastomer of other example of expression the present invention.
Fig. 9 is near the sectional drawing of elastomer of other example of expression the present invention.
Figure 10 is near the sectional drawing of elastomer of other example of expression the present invention.
Below explain the structure of reciprocating mechanism of the present invention portion.Because basic structure is same as the prior art,, the structure as the elastomer portion of feature counter-rotating pressure exerting arrangement of the present invention only is described so be omitted.In addition, express and hammer group side blow is hit face and balance weight side blow hit the example of face as the one side of straight dynamic bearing.
Fig. 4 is the elastomeric structure chart of an example of expression the present invention.
To be configured in hammer on the axis of guide 11 as the elastomer 40 that mechanism is suppressed in counter-rotating and organize substantial middle position between the straight dynamic bearing 12c of straight dynamic bearing 12b of 10 1 sides and balance weight 21 1 sides, and because at the substantial middle place of elastomer 40 fixed guide element 41, the occasion that moves towards left backward position in hammer group 10, the straight dynamic bearing 12b of hammer group side collides with relative velocity v from the right side of elastomer 40, and the straight dynamic bearing 12c of balance weight side collides with relative velocity v from the left side of elastomer 40.The hammer group also is same when move the dextroversion position.
Below, the energy when investigating collision with Fig. 5.
With the benchmark of elastomer 40 as system, the total quality that hammer is organized 10 1 sides is m, and the total quality of balance weight 21 sides is similarly m, and the relative velocity of collision all is v, and the ENERGY E sh when hammer is organized 10 side blows and hit is 1/2mv
2, the ENERGY E sc when balance weight 21 1 side blows hit is 1/2mv
2, the m gross energy was represented with following formula when the present invention collided.
E
1＝Esh+Esc＝1/2mv
2+1/2mv
2＝mv
2
Because collide, this energy is dispersed into heat, sound, the elastomeric power of pushing and other aspect.At this moment, if in same system, the ratio that gross energy is dispersed to each factor is certain, and at this, the ratio that is transformed to sound is Ks (0＜Ks＜1).Be that the acoustic energy Es1 of the present invention when colliding represents with following formula.
Es1=Ks * E1=Ksmv
21. formula
Energy when on the other hand, investigating the prior art collision with Fig. 2.In the prior art, because the elastomer 40 that is fixed on the straight dynamic bearing 12c of balance weight one side is organized the straight dynamic bearing 12b of a side mutually with the approaching collision of speed v with hammer, the relative velocity of collision is 2v.If with the benchmark of elastomer 40 as system, the total quality of hammer group side is m, and the relative velocity when straight dynamic bearing 12b and elastomer 40 collide is 2v, the ENERGY E during collision
0Represent with regard to available following formula.
E
0＝1/2×m×(2v)
2＝2mv
2
Thereby, the acoustic energy E when prior art is collided
SoFor: E
So=E
o* Ks=2Ksmv
22. formula.The difference that obtains (1) formula and (2) formula is Es0-Es1=2Ksmv
2-Ksmv
2=ksmv
2＞0 is Es0＞Es1, has reduced acoustic energy when the present invention collides.Thereby the sound that produces in the time of reducing to collide by said structure does not have the such multiple collision of prior art simultaneously.
Fig. 6 represents to dispose the other example of elastomer 40.Fig. 6 is the sectional drawing of looking by the plane of the central shaft of the axis of guide 11.
Organize near the substantial middle position between the straight dynamic bearing 12c of straight dynamic bearing 12b of 10 1 sides and balance weight 21 1 sides for elastomer 40 being configured in hammer, adopt the means that elastomer keeps material 42 are set between the above-mentioned unisexuality body 40 and the axis of guide 11.The axis of guide 11 and elastomer 40 can tighten fully mutually and be fixing, above-mentioned elastomer keeps material 42 to adopt the rubber-like material, for example rubber keeps applying friction respectively between material 42 and the axis of guide 11 and the elastomer 40 to this elastomer, so that can adopt fixing mode.By this structure, can reach the purpose that reduces to collide sound equally.
As shown in Figure 7, constitute the counter-rotating pressure exerting arrangement by elastomer 40 with for the anchor clamps 50 that keep this elastomer to be provided with, dispose the elastic ring 55 that internal diameter diminishes by incision guide part on these anchor clamps 50 tops, between the axis of guide 11 and anchor clamps 50, apply friction, can make elastomer 40 be configured in the substantial middle position, can obtain effect same as described above.In this occasion, apply friction can for the anchor clamps on both sides, also can apply friction only for anchor clamps on one side.But even elastomer 40 is compressed, above-mentioned friction also is that the degree of these elastomer 40 post-equalization enough certainly is good.
In above-mentioned structure shown in Figure 7, as shown in Figure 8, by the center of deliberately staggering left and right sides anchor clamps 50, in the time of in inserting the axis of guide 11, formation anchor clamps 50 are forced into the structure in the axis of guide 11, can apply friction between this axis of guide 11 and anchor clamps, also can obtain same effect.Be not limited to above-mentioned friction, allow elastomer as the counter-rotating pressure exerting arrangement have and to maintain that hammer group side blow hits face and the balance weight side blow hits the confining force in the centre position of face, certainly obtain same effect.
Fig. 9 represent to reduce multiple collision number of times, prevent to produce the example of structure of the elastomer portion of noise.
Two ends at elastomer 40 are provided with padded coaming, and this padded coaming is by constituting from the padded coaming (being called the hard padded coaming 61 in cheap surface at this) of aspects such as durability decision hardness with than its soft padded coaming 62.Soft padded coaming 62 is more outstanding than hard padded coaming, straight dynamic bearing 12b and 12c and elastomer 40 near the time, soft padded coaming 62 is received to and is arranged on the keeping out of the way in the portion of hard padded coaming 61 inboards, and elasticity died down after it collided, then the elasticity grow.
If the employing said structure when colliding, by the compression of soft padded coaming 62, has weakened the screen resilience of elastomer 40, and is littler than prior art to the translational speed and the amount of movement of opposition side.Thereby, suppress 2 times and collided later collision, reduced the collision number of times.Collision face near the time owing to have padded coaming 61 holding capacity of durability hardness, keep the durability of padded coaming, produce noise simultaneously in the time of can reducing to collide.
Figure 10 represent a padded coaming on the way have collide after a little less than the occasion that changes of strong thereafter elasticity, this is by trying every possible means to reach in the beginning of padded coaming 60.In this structure, also obtain above-mentioned effect same.And because the part number reduces, fee of material is assembled and is also reduced man-hour.
Claims (5)
1. printing device, the portion of reciprocator that comprises hammer group and this hammer group broad ways is moved back and forth with a plurality of dot matrix hammers, in the process that above-mentioned hammer group moves back and forth, drive above-mentioned dot matrix hammer and carry out lettering, it also comprise with the balance weight that phase reversal moves back and forth that moves back and forth of above-mentioned hammer group, near the amplitude two ends that above-mentioned hammer group or balance weight move back and forth, dispose the counter-rotating pressure exerting arrangement that is used to apply reversal pressure, it is characterized in that above-mentioned counter-rotating pressure exerting arrangement is provided in above-mentioned hammer and organizes roughly centre position between each collision face of a side and above-mentioned balance weight one side.
2. printing device as claimed in claim 1, it is characterized in that for above-mentioned hammer group, above-mentioned balance weight and counter-rotating being suppressed the channeling conduct that moves back and forth of mechanism, they all are attached on the axis of guide, and the maintenance material that keeps the above-mentioned axis of guide is set in above-mentioned counter-rotating pressure exerting arrangement.
3. printing device as claimed in claim 2, the friction that it is characterized in that producing between the above-mentioned maintenance material and the above-mentioned axis of guide is as confining force.
4. as the described printing device of claim 1 to 3, it is characterized in that, the collision face of above-mentioned counter-rotating pressure exerting arrangement constitutes two-layer structure by the padded coaming of softness and hard padded coaming, the padded coaming of above-mentioned softness absorbs the impact after hammer group or the balance weight collision, and above-mentioned hard padded coaming can bear counter-rotating action thereafter.
5. printing device, the portion of reciprocator that comprises hammer group and this hammer group broad ways is moved back and forth with a plurality of dot matrix hammers, in the process that above-mentioned hammer group moves back and forth, drive above-mentioned dot matrix hammer and carry out lettering, it also comprises the balance weight that phase reversal moves back and forth that moves back and forth with above-mentioned hammer group, near the amplitude two ends that above-mentioned hammer group or balance weight move back and forth, dispose the counter-rotating pressure exerting arrangement that is used to apply reversal pressure, it is characterized in that, each collision face that the above-mentioned hammer of above-mentioned counter-rotating pressure exerting arrangement is organized a side or above-mentioned balance weight one side constitutes two-layer structure by the padded coaming of softness and hard padded coaming, the padded coaming of above-mentioned softness absorbs the impact after hammer group or the balance weight collision, and above-mentioned hard padded coaming can bear counter-rotating action thereafter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10213640A JP2000043360A (en) | 1998-07-29 | 1998-07-29 | Printer |
| JP213640/1998 | 1998-07-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1262175A true CN1262175A (en) | 2000-08-09 |
| CN1125725C CN1125725C (en) | 2003-10-29 |
Family
ID=16642508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99119627A Expired - Fee Related CN1125725C (en) | 1998-07-29 | 1999-07-29 | Character impression device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2000043360A (en) |
| KR (1) | KR100629926B1 (en) |
| CN (1) | CN1125725C (en) |
| TW (1) | TW529555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943372A (en) * | 2014-03-26 | 2015-09-30 | 精工爱普生株式会社 | Recording apparatus |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3825244B2 (en) * | 2000-11-09 | 2006-09-27 | 富士ゼロックス株式会社 | Printer and spring device |
| KR100775335B1 (en) * | 2001-12-15 | 2007-11-08 | 주식회사 포스코 | Apparatus for removng choke of mashes of screen mat |
-
1998
- 1998-07-29 JP JP10213640A patent/JP2000043360A/en active Pending
-
1999
- 1999-07-28 KR KR1019990030743A patent/KR100629926B1/en not_active IP Right Cessation
- 1999-07-28 TW TW090216724U patent/TW529555U/en not_active IP Right Cessation
- 1999-07-29 CN CN99119627A patent/CN1125725C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943372A (en) * | 2014-03-26 | 2015-09-30 | 精工爱普生株式会社 | Recording apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1125725C (en) | 2003-10-29 |
| TW529555U (en) | 2003-04-21 |
| JP2000043360A (en) | 2000-02-15 |
| KR20000012022A (en) | 2000-02-25 |
| KR100629926B1 (en) | 2006-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: HITACHI KOKO CO., LTD. Free format text: FORMER OWNER: HITACHI KOKI CO., LTD. Effective date: 20030403 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20030403 Address after: Kanagawa Applicant after: Ricoh Printing Systems, Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Koki Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: RICOH CO. LTD. Free format text: FORMER OWNER: RICOH PRINTING SYSTEMS LTD. Effective date: 20130715 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: RICOH PRINTING SYSTEMS LTD. Free format text: FORMER NAME: HITACHI PRINTING TECHOLOGY CORP. |
|
| CP03 | Change of name, title or address |
Address after: Ibaraki Patentee after: Ricoh Co.,Ltd. Address before: Kanagawa Patentee before: Ricoh Printing Systems, Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130715 Address after: Tokyo, Japan Patentee after: Ricoh Co.,Ltd. Address before: Ibaraki Patentee before: Ricoh Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031029 Termination date: 20180729 |