CN100464551C - Portable terminal input device - Google Patents
Portable terminal input device Download PDFInfo
- Publication number
- CN100464551C CN100464551C CNB2004100350389A CN200410035038A CN100464551C CN 100464551 C CN100464551 C CN 100464551C CN B2004100350389 A CNB2004100350389 A CN B2004100350389A CN 200410035038 A CN200410035038 A CN 200410035038A CN 100464551 C CN100464551 C CN 100464551C
- Authority
- CN
- China
- Prior art keywords
- switch
- portable terminal
- mentioned
- terminal device
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
Abstract
The present invention relates to an input switch of the portable terminal, and provides an input device of the portable terminal different from the keypad component, the input device is composed of a taper and four sensing switch, the taper is at the inner side of the portable terminal and has a certain mass and can move frontwards, backwards, leftwards and rightwards in company with the inclining or vibration of the portable terminal, the four sensing switches sense the movement of the taper at four positions of front, back, left and right of the taper thereby using the signal input data sensed by the sensing switch. The invention can cater for the interface diversification and multimedia trend of the portable terminal without the operations of directly key pressing of the user and the like, and a certain command can be inputted by vibrating or inclining the portable terminal in a certain direction.
Description
Technical field
The present invention relates to a kind of input unit of portable terminal device, in more detail, it is a kind of input unit of portable terminal device, is that the user can import input unit multiple information, key area device different from the past expediently.
Background technology
Fig. 1 and Fig. 2 are the pie graphs of the input unit of portable terminal device in the past, and wherein, Fig. 1 is the exploded perspective view of portable terminal device in the past, and Fig. 2 is that longitdinal cross-section diagram is amplified in the part of the input unit installment state of Fig. 1.
As shown in the figure, portable terminal device in the past is made of following several sections: turning cover part (2) shows various data with image; Main body section (1), it can carry out transceiver, calculation and data input, combines by hinge portion and above-mentioned turning cover part, and can open and close.
Above-mentioned main body section (1) is made of following several sections: loam cake (11), and it is formed with a plurality of buttons and exposes hole (11a); Lower cover (12), it is at the downside of this loam cake (11), keeps certain intervals with it and combines; Printed circuit board (PCB) (PCB) (13), it is formed between above-mentioned loam cake (11) and the lower cover (12), in order to install various accessories additional and to carry out transceiver control etc.; Battery (4), it is formed at the back side of lower cover (12), can plug, and is used for powering to printed circuit board (PCB) (13); Key area device (14), it is incorporated into loam cake (11) lower end of above-mentioned main body section (1), for user input data.
Wherein, above-mentioned key area device (14) is made of button portion (15) and the rubber substrate (16) that is incorporated into this button portion (15) lower end, and above-mentioned button portion (15) inserts the button that forms in the loam cake (11) and exposes hole (11a) and be exposed to the outside.
In addition, have the metal clips (metal dome) that forms by the convex elastomer above the above-mentioned printed circuit board (PCB) (13) (13a), so that can be by contact from above-mentioned substrate (16) perceptual signal.
Above-mentioned turning cover part (2) has LCDs (LiquidCrystal Display:LCD) (103) and the turning cover part shell (4) that shows several data with image; turning cover part shell (4) can be protected LCDs (103), and can turn back, launch with main body section (1).
For the key area device of the portable terminal device in the past that as above constitutes, its input method is when user's transceiver, opens turning cover part (2), the button portion (15) of the key area device that press...withes one's finger (14).
Promptly, if user's pressing keys portion (15), substrate (16) descends so, then push metal clips (13a) with the substrate (16) that button portion (15) together descends, touch the inboard circuit that forms of metal clips (13a), realize the signal transmission, in this state, if the user cancels the power that puts on button portion (15), metal clips (13a) and button portion (15) restore to the original state under the effect of metal clips (13a) elastic recovering force.
But because above-mentioned portable terminal device in the past mainly relies on the input unit that is made of keypad (15), along with the variation and the multimedia trend of nearest interface, the limitation of input function is increasingly sharpened.Promptly, though the input unit of original portable terminal device has above-mentioned button and roller (JOG) type key, rotary-type key etc., but these keys all are to need the user directly to carry out the key of button operation with finger, actual can't the situation of button under or in recreation, have limitation, therefore, the more and more necessary of new mode input unit is urgent.
Summary of the invention
The present invention proposes in order to address the above problem just, and purpose is to cater to the interface variation and the multimedia trend of portable terminal device, provides a kind of user of need not to carry out input units operation, that be positioned at the portable terminal device outside the keypad such as direct button.
For achieving the above object, the input unit of portable terminal device provided by the invention has following feature: it is a kind of input unit that is built in the portable terminal device, constitute by awl and 4 aware switch, awl is positioned at the inside of portable terminal device, has certain mass, can or shake and preceding along with the inclination of portable terminal device, after, a left side, move right, 4 aware switch are before above-mentioned awl, after, a left side, moving of the above-mentioned awl of right 4 places perception, thereby can utilize the signal input data of said sensed switch institute perception, described aware switch comprises: switch lever, form by conductor, the one end is formed with a head, the other end protrudes and forms bar protrusion contact, and described head and described tapered joint touch and moving with described awl; Spring, the described head of the described switch lever of one end in contact, the fixture around the other end contact is so that described switch lever is got back to the mobile position before along with moving of described awl; Switch housing, the one end is connected with the external circuit that electric current flows into, terminal inner cylinder protrusion at the other end is formed with shell protrusion contact, this shell protrudes contact and adopts conductor, described shell protrudes contact and contacts with above-mentioned switch lever also and can conduct electricity, described switch housing wraps described switch lever, guide it to move, switch housing also comprises the variable resistor of an insertion, variable resistor one end contacts with above-mentioned switch lever and conducts electricity, the other end is connected with external circuit, described shell protrudes contact, described switch lever, described bar protrudes contact, described variable resistor constitutes the circuit that electric current can pass through, measure the voltage between described shell protrusion contact and the described variable resistor, change identification signal according to it.
As the input unit of portable terminal device, the invention provides a kind of new input unit keypad member, that can come input signal by the inclination portable terminal device that is different from.
In addition, can also comprise top aware switch and bottom aware switch, these 2 aware switch move the above-mentioned spherical above-mentioned awl of 2 places perception up and down of boring.
In addition, above-mentioned awl is preferably formed as spherical awl.
And for improving the sensitivity of said sensed switch, above-mentioned variable resistor preferably is made of a Wheatstone bridge resistance.
In addition, above-mentioned variable resistor two ends preferably also comprise the stopper element that is formed by rubber that an above-mentioned switch lever of restriction moves, so that above-mentioned bar protrusion contact is unlikely to separate with above-mentioned variable-resistance contact.
And the above-mentioned shell that above-mentioned switch housing is flowed through except that electric current protrudes the contact portion, preferably forms with insulator, and this is in order to prevent unnecessary power loss.
Description of drawings
Fig. 1 and Fig. 2 are the pie graphs of the input unit of portable terminal device in the past, wherein:
Fig. 1 is the exploded perspective view of portable terminal device in the past;
Fig. 2 is that longitdinal cross-section diagram is amplified in the part of the input unit installment state of Fig. 1;
Fig. 3 to Fig. 6 is the three dimensional input device pie graph of the portable terminal device of one embodiment of the invention, wherein:
Fig. 3 is the input unit exploded perspective view of the portable terminal device of one embodiment of the invention;
Fig. 4 is the front elevation of Fig. 3;
Fig. 5 is the amplification sectional view of Fig. 3 " first " part;
Fig. 6 is the circuit diagram of Fig. 3.
Embodiment
With reference to the accompanying drawings, describe formation of the present invention in detail.
But, in explanation process of the present invention,,, omitted detailed description thereof for well-known function or formation in order to make main idea of the present invention more clear.
Fig. 3 to Fig. 6 is the three dimensional input device pie graph of the portable terminal device of one embodiment of the invention, wherein, Fig. 3 is the input unit exploded perspective view of the portable terminal device of one embodiment of the invention, Fig. 4 is the front elevation of Fig. 3, Fig. 5 is the amplification sectional view of Fig. 3 " first " part, and Fig. 6 is the circuit diagram of Fig. 3.
In the input unit (100) of the portable terminal device of one embodiment of the invention, when the user with certain power when a certain direction is shaken or tilt portable terminal device, sphere awl (110) with certain mass is to lopsidedness, moving of the spherical awl of aware switch perception around it (110) can be used as user's input signal.
Promptly, the input unit of the portable terminal device of one embodiment of the invention (100) comprises following several sections: spherical awl (110), it is positioned at the inside of portable terminal device, has certain mass, can along with the inclination of portable terminal device or shake and up and down, 6 directions in front, rear, left and right move; Aware switch (120,130,140,150,160,170 :) to call " 120...170 " in the following text, the above-mentioned spherical awl of their perception (110) moves to all directions; Switch-box (180) is used for fixing said sensed switch (120...170); Case lid (190) is used to open, the top of off switch case (180).
The formation of said sensed switch (120...170) is all identical with effect, and except the place ahead aware switch (170) that the spherical awl of perception (110) forwards moves, all the other all are fixed in the switch-box (180).
As shown in Figure 5, the spherical awl of perception (110) being constructed as follows in detail of the aware switch that moves of direction to the left.Consider that for convenience the formation to the aware switch of reference numeral 120 signs describes below.That is, aware switch (120) has following several sections: switch lever (127), and it is along with sphere awl (110) moves and move left and right; Switch housing (121), it wraps the outside of above-mentioned switch lever (127); Spring (126), one end are fixed in the head (127a) of above-mentioned switch lever (127), and the other end is fixed in the front end face of above-mentioned switch housing (121), use so that get back to mobile position before with the switch lever that moves (127) of sphere awl (110).
Above-mentioned switch lever (127) is formed by conductor, so that protrude the electric current of contact (122a) input passes through smoothly from shell, it comprises following two parts: head (127a), it has than the bigger curvature of sphere awl (110) shape, so that pass through the head of the switch lever of said sensed switch, in the moving range of sphere awl (110), support spherical awl (110); Bar protrudes contact (127b), and it is formed at the opposite side of switch lever (127), so that contact with the variable resistor (124) that inserts switch housing (121) and fix.
On the other hand, as shown in the figure, in sphere awl (110), as reference numeral 111 identifies, with the contact point of head (127a) also can be the plane so that aim at each head (127a) and unlikely disengaging swimmingly.
For suppressing the loss of voltage as far as possible, above-mentioned switch housing (121) is except from the conducting parts (122) of outside inflow current, form by insulator, it has following several sections: shell protrudes contact (122a), it adopts conductor, protrusion is formed at the terminal inner cylinder of switch housing (121), so that electric current flows into switch lever (127) from external circuit; Variable resistor (124), it inserts and is installed in the switch housing, and the contact position that itself and bar protrude contact (127b) can change along with moving of switch lever (127); Stopper element (125), it is formed by insulator at the terminal part of variable resistor (124), in order to limit the moving range that above-mentioned bar protrudes contact (127b).
Wherein, shell protrudes contact (122a) convex hole around being formed on the terminal whole inner cylinder of switch housing (121), and bar protrude contact (127b) also convex hole around the whole outer cylinder that is formed at switch lever (127), these protrude contacts, and (122a 127b) plays effect at the inside of switch housing (121) guide switch bar (127).
The assembling process of aware switch with said structure is as follows, considers for convenience, and the example that is assembled into of the aware switch that is identified with reference numeral 120 describes.End at the switch housing that is formed by insulator (121) is installed variable resistor (124) and stopper element (125), the switch lever (127) of securement head (127a) is not inserted switch housing (121) inside, make switch lever (127) activity in bar protrudes the scope that contact (127b) touches variable resistor (124).Then, install the shell that forms by conductor at switch housing (121) other end and protrude contact (122a) portion, in its front mounting spring (126), the head (127a) of floatless switch bar (127) then.At this moment, the end of switch lever (127) and head (127a) utilize the pin thread (not marking among the figure) of each self-forming and negative thread (not marking among the figure) to combine.On the other hand, for the ease of the said sensed switch is installed on the portable terminal device, above-mentioned switch is installed on each face of switch-box (180).
In the input unit (100) of the portable terminal device of the one embodiment of the invention that as above constitutes, reference numeral A is to the shell protrusion contact (122a) of the electric current (io) between the reference numeral B by the conducting parts (122) that formed by conductor, inner at switch lever (127) through the path shown in the reference numeral 129, protrude contact (127b) by bar, the inner variable resistor (124) of switch housing (121), the outside reference numeral B of inflow at last flow through.
At this moment, the contact point that bar protrudes between contact (127b) and the variable resistor (124) changes with moving of switch lever (127), variable-resistance power consumption also changes thereupon, and the voltage between reference numeral A and the reference numeral B changes with moving of switch lever (127).
In like manner, moving and left side aware switch (120) switch lever (127) mobile opposite of the switch lever (147) of right side aware switch (140), so, if left-side switch bar (127) moves to the right, increase opposite with left side variable resistor (124) power consumption so, right-side switch bar (147) also moves simultaneously to the right, and right side variable resistor (144) power consumption reduces.That is, spherical awl (110) moves to a certain direction, is not that the voltage difference of a side aware switch is changed, but also can changes the voltage difference of opposite side aware switch, thereby more help the perception of signal.
As above the aware switch of Gou Chenging (120...170) is installed in the one side of switch-box (180) and case lid (190) respectively, be fixed in and close case lid (190) under the state of the switch lever of each aware switch (120...170) (127...177) head (127a...177a) sphere being bored (110), so, assembling is promptly accused and is finished.After assembling is finished, connect as shown in Figure 6 the required distribution of forming circuit, be installed to then on the main printed circuit board (not marking among the figure) of portable terminal device inside and can use to being the foursquare switch-box outside.
That is to say, in the input unit (100) of the portable terminal device of one embodiment of the invention, if the user the has shaken built-in portable terminal device of above-mentioned input unit (100), so spherical awl (110) moves in the direction, so, the switch lever (127...177) of aware switch (120...170) then is moved, therefore variable resistor (124...174) voltage on every side of aware switch (120...170) also change, so variable quantity that can sense voltage, the inclination that identifying user carries out or shake is with its effect input signal.
For example, to rock from side to side 2 times be the initial setting up of convertible vibration if finish, and then the user just can be converted to vibration by rocking from side to side 2 times.When carrying out recreation such as shooting game, the certain order of use bomb etc. is set to rock back and forth 1 time, or when telephone relation, by fluctuating 3 standbies of conversing, its scope of application is very extensive.
On the other hand, the voltage difference of utilizing variable resistor (124) power consumption to cause, above-mentioned spherical the moving of (110) of boring of perception.Wherein, the flow path of electric current has comprised because of shell protrudes contact (122a) and has contacted the place of flowing through electric current with bar protrusion contact (127b), because circuit flows into the inside of switch lever (127), so may produce unnecessary current loss, sensitivity (sensitivity) problem occurs.In order to solve sensitivity problem, the input unit of portable terminal device of the present invention is not only to measure above-mentioned variable resistor (124) voltage difference on every side, but widely used Wheatstone bridge resistance as variable resistor (124), thereby can pass through enlarge-effect, improve the sensitivity of foregoing circuit.
Above useful embodiment of the present invention is illustrated, but scope of the present invention also not only is confined to these specific embodiments, can suitably change in the scope of claims record.
As the above-mentioned detailed description of doing, the invention provides a kind of input unit that is different from the portable terminal device of keypad member, it is made of awl and 4 aware switch, awl is positioned at the inside of portable terminal device, has certain mass, can or shake and move front, rear, left and right along with the inclination of portable terminal device, 4 aware switch move the above-mentioned awl of the front, rear, left and right of above-mentioned awl 4 places perception, thereby can utilize the signal input data of said sensed switch institute perception.It can cater to the interface variation and the multimedia trend of portable terminal device, need not the user and carries out operations such as direct button, by shaking to certain orientation or the portable terminal device that tilts, can import certain order.
Claims (7)
1. the input unit of a portable terminal device is characterized in that:
It is the input unit that is built in the portable terminal device, comprise awl and 4 aware switch, awl is positioned at the inside of portable terminal device, has certain mass, can or shake and preceding along with the inclination of portable terminal device, after, a left side, move right, 4 aware switch are before above-mentioned awl, after, a left side, moving of the above-mentioned awl of right 4 places perception, thereby can utilize the signal input data of said sensed switch institute perception, described aware switch comprises: switch lever, form by conductor, the one end is formed with a head, and the other end protrudes and forms bar protrusion contact, and described head and described tapered joint touch and moving with described awl; Spring, the described head of the described switch lever of one end in contact, the fixture around the other end contact is so that described switch lever is got back to the mobile position before along with moving of described awl; Switch housing, the one end is connected with the external circuit that electric current flows into, terminal inner cylinder protrusion at the other end is formed with shell protrusion contact, this shell protrudes contact and adopts conductor, described shell protrudes contact and contacts with above-mentioned switch lever also and can conduct electricity, described switch housing wraps described switch lever, guide it to move, switch housing also comprises the variable resistor of an insertion, variable resistor one end contacts with above-mentioned switch lever and conducts electricity, the other end is connected with external circuit, described shell protrudes contact, described switch lever, described bar protrudes contact, described variable resistor constitutes the circuit that electric current can pass through, measure the voltage between described shell protrusion contact and the described variable resistor, change identification signal according to it.
2. the input unit of portable terminal device according to claim 1 is characterized in that:
Also comprise top aware switch and bottom aware switch, described top aware switch and bottom aware switch move the above-mentioned awl of upper and lower 2 places perception of above-mentioned awl, thereby can utilize the signal input data of said sensed switch institute perception.
3. the input unit of portable terminal device according to claim 1 and 2 is characterized in that:
Above-mentioned taper globulate awl.
4. the input unit of portable terminal device according to claim 1 and 2 is characterized in that:
For improving the sensitivity of said sensed switch, above-mentioned variable resistor is made of a Wheatstone bridge resistance.
5. the input unit of portable terminal device according to claim 1 and 2 is characterized in that:
Above-mentioned variable resistor two ends also comprise the stopper element that an above-mentioned switch lever of restriction moves, and are unlikely to separate with above-mentioned variable-resistance contact so that above-mentioned bar protrudes contact.
6. the input unit of portable terminal device according to claim 5 is characterized in that:
Above-mentioned stopper element is formed by rubber.
7. the input unit of portable terminal device according to claim 1 and 2 is characterized in that:
The above-mentioned shell that above-mentioned switch housing is flowed through except that electric current protrudes the contact portion, and remainder is an insulator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR0059193/2003 | 2003-08-26 | ||
| KR1020030059193A KR100608713B1 (en) | 2003-08-26 | 2003-08-26 | Mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1592326A CN1592326A (en) | 2005-03-09 |
| CN100464551C true CN100464551C (en) | 2009-02-25 |
Family
ID=34617201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100350389A Expired - Fee Related CN100464551C (en) | 2003-08-26 | 2004-04-20 | Portable terminal input device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100608713B1 (en) |
| CN (1) | CN100464551C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229683A (en) * | 1996-02-23 | 1997-09-05 | Shimadzu Corp | Inclination detecting apparatus |
| CN2471038Y (en) * | 2000-11-09 | 2002-01-09 | 殷湘军 | Portable multifunctional wireless telephone set |
| CN1339931A (en) * | 2000-08-18 | 2002-03-13 | 三星电子株式会社 | Portable radio terminal with direction pointer |
| JP2002197953A (en) * | 2000-12-25 | 2002-07-12 | Japan Aviation Electronics Industry Ltd | Inclination switch |
-
2003
- 2003-08-26 KR KR1020030059193A patent/KR100608713B1/en not_active IP Right Cessation
-
2004
- 2004-04-20 CN CNB2004100350389A patent/CN100464551C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09229683A (en) * | 1996-02-23 | 1997-09-05 | Shimadzu Corp | Inclination detecting apparatus |
| CN1339931A (en) * | 2000-08-18 | 2002-03-13 | 三星电子株式会社 | Portable radio terminal with direction pointer |
| CN2471038Y (en) * | 2000-11-09 | 2002-01-09 | 殷湘军 | Portable multifunctional wireless telephone set |
| JP2002197953A (en) * | 2000-12-25 | 2002-07-12 | Japan Aviation Electronics Industry Ltd | Inclination switch |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050021099A (en) | 2005-03-07 |
| CN1592326A (en) | 2005-03-09 |
| KR100608713B1 (en) | 2006-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6788285B2 (en) | Portable computer with removable input mechanism | |
| CN1950132B (en) | An electronic device and a game controller | |
| US20070287512A1 (en) | Layered mobile device | |
| CN1682241B (en) | Touch screen input mechanism and portable electronic device | |
| US20090167722A1 (en) | Touch-sensitive faceplate with tactile feedback | |
| WO2007133285A2 (en) | Tow-way sliding mobile terminal | |
| CN101095095A (en) | Joystick with tactile feedback | |
| KR20070004246A (en) | Portable terminal apparatus and connector mounting structure and method of fpcb packed in the apparatus | |
| US20040240162A1 (en) | Housing of electronic device with a side key assembly | |
| CN101194492A (en) | Slideable keyboard for an electronic equipment | |
| US5694124A (en) | Portable computer with integrated circuit board and keyboard | |
| US8570759B2 (en) | Controller and portable electronic apparatus | |
| CN100464551C (en) | Portable terminal input device | |
| US20070161418A1 (en) | Sliding cover of smartphone | |
| CA2383730A1 (en) | Keyboard unit | |
| KR20130021390A (en) | Passive user input attachments engaging compressible conductive elements and method for the same | |
| US20040109285A1 (en) | Personal digital assistant | |
| EP1347357A2 (en) | Electronic device | |
| KR100569584B1 (en) | A communication terminal having a touch panel and a double input type sliding cover | |
| US20070068785A1 (en) | Rocker level assembly | |
| KR100718988B1 (en) | Input device for electronic apparatus | |
| KR100595851B1 (en) | Input device and electronic apparatus | |
| US7579560B2 (en) | Input device and mobile terminal having the same | |
| KR100557123B1 (en) | Stylus pen | |
| KR20060081874A (en) | Mobile communication terminal having both pressing and sliding switching action |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONICS (CHINA) R + D CENTER CO., LTD. Effective date: 20120322 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120322 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park No. 203 Petrova building block B Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20140420 |