CN101178908B - CD ROM flexible flat cable - Google Patents
CD ROM flexible flat cable Download PDFInfo
- Publication number
- CN101178908B CN101178908B CN2006101447037A CN200610144703A CN101178908B CN 101178908 B CN101178908 B CN 101178908B CN 2006101447037 A CN2006101447037 A CN 2006101447037A CN 200610144703 A CN200610144703 A CN 200610144703A CN 101178908 B CN101178908 B CN 101178908B
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- flat cable
- flexible flat
- casing
- rom
- movable part
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Abstract
The invention provides a multimedia optical drive. Compressed stored data in MPEG format is read out by a forepart device to generate an MPEG compressed signal; a digital turner is adjusted to selectively receive an MPEG compressed digital TV signal; the compressed stored data signal or the digital TV signal is selectively received by a decoder under control of a control interface; the selected compressed stored data signal or the digital TV signal is decoded by the MPEG decoder cooperated with computing by a memory and a CPU for decoding to generate audio and video digital signals which can be input into a display device for displaying, thus adding a new function to an optical drive.
Description
Technical field
The relevant a kind of CD-ROM drive of the present invention is especially about connecting pallet and motherboard in the CD-ROM drive, in order to the flexible flat cable of electric connection and information transmission.
Background technology
General CD-ROM drive utilizes the pallet and the fixing motherboard of flexible flat cable electric connection activity, the transmission of the power supply and the reading writing information of the electronic package on the pallet is provided, can therefore movable back and forth flexible flat cable keep stable signal transmission for a long time, directly influences the reliability of CD-ROM drive.
As shown in Figure 1, be the CD-ROM drive 10 of prior art, hold motherboard 12 and pallet 13 by a hollow housing 11.Motherboard 12 is connected in an end of flexible flat cable 14 fixed parts 141, and an end of flexible flat cable 14 movable parts 142 then is connected to the circuit board 15 of pallet 13 belows, and the power supply and the signal transmission of spindle motor 16 on the pallet 13 and read head 17 are provided.Pallet 13 can freely skid off the housing 11 outer replacings of carrying out discs 18, or slide into the play position of housing 11, utilize spindle motor 16 rotating disc sheets 18, radially the moving around of control read head 17 along discs 18, data mark on the writable disc sheet 18, data transmission to the controller plate 12 that read head 17 reads is handled in the connection of borrowing soft arranging wire 14 via circuit board 15 again.
Because flexible flat cable 14 is softer, especially under high-temperature operation, the flexible flat cable 14 of colloid is easier to be softening, when pallet 13 skids off housing 11, not only movable part 142 drops easily and touches housing 11, causes flexible flat cable 14 to produce the friction breakage, can't carry out normal signal transmission.The movable part 142 of tenesmus also can block the edge of housing 11 outlets, is crushed and hinder pallet 13 to slide into housing 11.For solving aforesaid problem, the conventional disc device is at the tenesmus position of flexible flat cable 14 movable parts 142, be coated with glue-line or stick mylar (Mylar) and form reinforcement district 143, though can increase the elasticity of flexible flat cable 14, support the anchorage force that movable part 142 suspends, avoid tenesmus to touch housing 11 and crushed.
Yet the elastic force of flexible flat cable 14 is former not strong, gains in weight at the thickness that adds reinforcement district 143, easily makes flexible flat cable 14 tenesmus.Simultaneously, when pallet 13 slides into housing 11, pallet 13 is toward pusher movable part 142, the movable part 142 that contacts with housing 11, also can be subjected to housing 11 effect of friction as shown by arrows, make the strength of movable part 142 opposing pallets 13 pushers, easier movable part 142 tenesmus that cause the place ahead, touching housing 11, to produce friction damaged and crushed.Therefore, the flexible flat cable of traditional CD-ROM drive still has problem to exist, and solution co-pending is arranged.
Summary of the invention
The object of the present invention is to provide a kind of CD ROM flexible flat cable, be located in the casing of a CD-ROM drive, this flexible flat cable comprises: a fixed part is fixedly arranged on casing; One movable part oppositely extends to form initial end by an end of fixed part, and initial end is fixedly arranged on casing; And one strengthen the district, has elastic material, be located at the movable part initial end and near the surface, wherein, this CD-ROM drive further comprises a pallet, can pass in and out casing, the movable part of the initial end that continues links pallet with the other end.
The present invention also aims to provide a kind of CD-ROM drive, comprising: a casing has an opening; One flexible flat cable is located in the casing, comprises a fixed part and a movable part, fixed part is fixedly arranged on casing, stretches to opening by casing inside, and movable part leans on an end of casing opening oppositely to extend to form initial end by fixed part, initial end is fixedly arranged on casing, and the part of the initial end that continues is then movable; One scuff-resistant coating is established the inboard of casing, and is positioned on the active path of movable part, and this scuff-resistant coating is positioned at upper casing; And one strengthen the district, has elastic material, be located at the movable part initial end and near the surface.
The object of the present invention is to provide a kind of CD ROM flexible flat cable, by flexible flat cable being strengthened the initial end that the district is located at the flexible flat cable movable part, by the resilient support of strengthening the district and traction flexible flat cable, with the load that alleviates flexible flat cable and prevent to be crushed.
Another purpose of the present invention is to provide a kind of CD ROM flexible flat cable, is used in casing and flexible flat cable movable part contact position, and scuff-resistant coating is set, to reduce the resistance and the wearing and tearing of flexible flat cable pusher.
In order to reach the purpose of aforementioned invention, CD ROM flexible flat cable of the present invention is located in the casing of a CD-ROM drive, casing is divided into upper casing and lower casing, flexible flat cable comprises a fixed part and a movable part, fixed part is fixedly arranged on lower casing, movable part oppositely extends to form initial end by an end of fixed part, initial end is fixedly arranged on casing, reinforcement district with elastic material is located at movable part initial end and near surface, the inboard of upper casing is provided with a scuff-resistant coating, is positioned at movable part and strengthens on the active path in district, contacts scuff-resistant coating to strengthen the district when allowing the movable part reflexed, movable part is provided with the secondary district that strengthens in addition, by strengthen that district institute is extended or with strengthen distinguishing from.
Description of drawings
Fig. 1 is the sectional side view of prior art CD-ROM drive.
Fig. 2 is the stereographic map of the CD-ROM drive of use first embodiment of the invention flexible flat cable.
Fig. 3 is the stereographic map of first embodiment of the invention flexible flat cable.
Fig. 4 is the sectional side view of first embodiment of the invention flexible flat cable start.
Fig. 5 is the stereographic map of second embodiment of the invention flexible flat cable.
Fig. 6 is the stereographic map of third embodiment of the invention flexible flat cable.
The primary clustering symbol description
20 CD-ROM drives
21 casings
211 upper casings
2111 scuff-resistant coatings
212 lower casings
22 pallets
221 spindle motors
222 discs
223 read heads
224 circuit boards
23 motherboards
231 connectors
24 first embodiment flexible flat cables
241 fixed parts
242 movable parts
2421 initial end
2422 strengthen the district
25 guide rails
30 second embodiment flexible flat cables
31 fixed parts
32 movable parts
321 initial end
322 strengthen the district
The 323 secondary districts that strengthen
40 the 3rd embodiment flexible flat cables
41 fixed parts
42 movable parts
421 initial end
422 strengthen the district
The 423 secondary districts that strengthen
Embodiment
Relevant the present invention is for reaching above-mentioned purpose, and technological means that is adopted and effect thereof are now lifted preferred embodiment, and conjunction with figs. is illustrated as follows.
Please refer to Fig. 2, for using the CD-ROM drive 20 of first embodiment of the invention flexible flat cable.CD-ROM drive 20 comprises casing 21, pallet 22, motherboard 23 and flexible flat cable 24.The casing 21 that is mainly hollow can allow pallet 22 freely slide into and skid off, flexible flat cable 24 1 ends are connected in the rear end of pallet 22, the other end then connects the motherboard 23 that is located at casing 21 rear ends, makes pallet 22 and motherboard 23 when relative position changes, but transmission signals still.
Wherein, casing 21 is made of upper casing 211 and lower casing 212, and upper casing 211 forms hollow form with lower casing 212, and the inboard of upper casing 211 is provided with a scuff-resistant coating 2111.A guide rail 25 is respectively established in the both sides of lower casing 212, then establishes motherboard 23 by rear side, and the front end of motherboard 23 is provided with a connector 231.Pallet 22 two side ends limits are by the support of guide rail 25, in the extended or retraction casing 21, change or play discs.Pallet 22 centers are provided with a spindle motor 221, in order to rotating disc sheet 222 (please join Fig. 4).Pallet 22 is provided with a read head 223 in addition, can be along the moving radially of discs 222, with the data on the writable disc sheet 222.Relend circuit board 224 (please join Fig. 4), the running of control spindle motor 221 and read head 223 by pallet 22 belows.
The flexible flat cable 24 of first embodiment of the invention is the winding displacement of a soft rectangular sheet, and for example (Flexible Flat Circuit FFC), is divided into both ends to soft arranging wire basically, and an end is that the fixed part 241 and the other end are movable part 242.One end of fixed part 241 is connected in the connector 231 of motherboard 23 front ends, and 241 directions along connector 231 outlets of remaining fixed part are smooth in 231 surface.The fixed form of fixed part 241 can be and pastes or mode such as rivet clasp, and smooth length is up to the front end opening part of casing 21, looks closely the distance that pallet 22 moves and decides.
In addition, movable part 242 is extended by the end that fixed part 241 is positioned at casing 21 front opening places, and active path is through the scuff-resistant coating 2111 of upper casing 211.Simultaneously with reference to shown in the flexible flat cable 24 of figure 3 first embodiment of the invention, movable part 242 reflexeds are to casing 21 inside, fixed part 241 upper surfaces are repeatedly put and be fixed on to its initial end 2421,242 of the movable parts that continues are not fixed, it only is the top that inwardly is suspended in fixed part 241 merely, near initial end 2421 reaches surface is established one and is strengthened district 2422, can be coated with or stick glue-line, mylar (Mylar) or reinforced sheet etc. with elastic material and strengthen distinguishing 2422 to form.The other end of last flexion portion 242 is connected in the rear side of pallet 22, just connects the circuit board 224 that is positioned at pallet 22 bottoms, makes motherboard 23 via flexible flat cable 24, produces with circuit board 224 to electrically connect.The length of movable part 242 is also looked closely the displacement of pallet 22 and is decided, and its length just allows pallet 22 enter play position and gets final product, and the long CD-ROM drive 20 that then can influence operates.
As shown in Figure 4, be flexible flat cable 24 effect situations of the present invention.When pallet 22 is positioned at CD-ROM drive 20 outsides, it is overhanging that traction movable part 242 is connected to an end reflexed of pallet 22, the flex area of reflexed just is positioned at the reinforcement district 2422 of movable part 242 initial end 2421 simultaneously, because the one end is fixed on fixed part 241 upper surfaces with movable part 242, and strengthen district 2422 and have stronger elasticity, can not only support reinforcing district 2422 and the suspension gravity of movable part 242, avoid movable part 242 tenesmus, and has the acting force (as shown by arrows) that stretches flex area backward because of strengthening district's 2422 elasticities of flexure, movable part 242 backward stretches, increase the effect of stretching of movable part 242, avoid tenesmus to cause wearing and tearing flexible flat cable 24, even pallet 22 blocks or crushes flexible flat cable 24, allows pallet 22 CD-ROM drive 20 that can make smooth advances.
In addition, because being positioned at, the scuff-resistant coating 2111 of upper casing 211 strengthens on district's 2422 active paths, the scuff-resistant coating 2111 of contact upper casing 211 in the time of can allowing reinforcement district 2422 reflexeds, utilize scuff-resistant coating 2111 low frictional factors, reduce 211 pairs of movable part 242 frictional resistances of upper casing, especially at high temperature, more can reduce the flexible flat cable 24 softening frictional resistances that caused.Utilize to strengthen district's 2422 curved district elasticity movable part 242 that stretches backward simultaneously, cooperate the strength of pallet 22 pusher movable parts 242, make movable part 242 enter CD-ROM drive 20 smoothly along with pallet 22.
Therefore, CD ROM flexible flat cable of the present invention, can be by having the initial end of suitably being located at the flexible flat cable movable part than the reinforcement district of strong elastic, strengthen the weight of district and flexible flat cable by the resilient support of strengthening the district, and utilize crooked reinforcement district to produce the strength of stretching backward, to the rear haulage movable part, the movable part of flexible flat cable is stretched, avoid movable part to produce tenesmus when overhanging with pallet, reach the load that supports flexible flat cable and prevent the purpose that crushed, fray.In addition, CD ROM flexible flat cable of the present invention, utilization is at casing and flexible flat cable movable part contact position, scuff-resistant coating is set, reduce the frictional resistance of casing to flexible flat cable, and utilize crooked reinforcement district generation to the rear haulage movable part, and the power of pallet pusher, allow flexible flat cable push CD-ROM drive smoothly.
As shown in Figure 5, be the CD ROM flexible flat cable 30 of second embodiment of the invention.The CD ROM flexible flat cable 24 of the identical first embodiment of the invention of flexible flat cable 30 and CD-ROM drive connection relationship and basic structure.Flexible flat cable 30 is similarly the winding displacement of a soft rectangular sheet, and is divided into both ends, and an end is fixed part 31 and other end movable part 32.Movable part 32 is extended by an end reflexed of fixed part 31, and fixed part 31 upper surfaces are repeatedly put and be fixed on to initial end 321, and the movable part 32 that continues is not fixed, and is suspended in the top of fixed part 31.Near the surface of movable part 32 initial end 321 established one and strengthened district 322, strengthen district 322 and extend to form the secondary district 323 that strengthens by movable part 32 both sides respectively, except that reaching the purpose of aforementioned first embodiment of the invention equally, the elasticity that can increase flexible flat cable 30 in addition prevents tenesmus, and reduces the weight of strengthening the district.
As shown in Figure 6, be the CD ROM flexible flat cable 40 of third embodiment of the invention.The CD ROM flexible flat cable 24 of the identical first embodiment of the invention of flexible flat cable 40 and CD-ROM drive connection relationship and basic structure.Flexible flat cable 40 is similarly the winding displacement of a soft rectangular sheet, and is divided into both ends, and an end is fixed part 41 and other end movable part 42.Movable part 42 is extended by an end reflexed of fixed part 41, and fixed part 41 upper surfaces are repeatedly put and be fixed on to initial end 421, and the movable part 42 that continues is not fixed, and is suspended in the top of fixed part 41.Near the inside surface of movable part 42 initial end 421 established one and strengthened district 422, and separates and establish a secondary district 423 that strengthens.When making movable part 42 reflexeds, district's 422 contact upper casing and scuff-resistant coatings are strengthened in utilization, reduce the friction of flexible flat cable 24 and upper casing, except that can reaching aforementioned purpose of the present invention, also can utilize the abrasion-proof ability that district 422 strengthens flexible flat cables 24 of strengthening.
The above person, only in order to convenient explanation the preferred embodiments of the present invention, scope of the present invention is not limited to these preferred embodiments, and is all according to any change that the present invention did, and not breaking away under the spirit of the present invention, all belongs to scope of the present invention.
Claims (17)
1. a CD ROM flexible flat cable is located in the casing of a CD-ROM drive, and this flexible flat cable comprises:
One fixed part is fixedly arranged on casing;
One movable part oppositely extends to form initial end by an end of fixed part, and initial end is fixedly arranged on casing; And
One strengthens the district, has elastic material, is located at movable part initial end and near surface,
Wherein, this CD-ROM drive further comprises a pallet, can pass in and out casing, and the movable part of the initial end that continues links pallet with the other end.
2. CD ROM flexible flat cable according to claim 1, wherein this reinforcement district is formed by the glue-line of the flexible material of applying implenent.
3. CD ROM flexible flat cable according to claim 2, wherein this glue-line is a mylar.
4. CD ROM flexible flat cable according to claim 1, wherein this reinforcement district is formed by sticking the reinforced sheet with elastic material.
5. CD ROM flexible flat cable according to claim 1, wherein this CD-ROM drive has an opening, and initial end is formed by the end extension of fixed part near opening.
6. CD ROM flexible flat cable according to claim 1, wherein this flexible flat cable is the FFC soft arranging wire of a rectangular sheet.
7. CD ROM flexible flat cable according to claim 6, wherein this initial end is repeatedly put and is fixed on the fixed part, and the movable part that continues then is suspended in the top of fixed part.
8. CD ROM flexible flat cable according to claim 1, wherein the inboard of this casing is provided with a scuff-resistant coating, is positioned on the active path of movable part, and this scuff-resistant coating is positioned at upper casing.
9. CD ROM flexible flat cable according to claim 8 is wherein strengthened contact scuff-resistant coating in district's during the movable part reflexed.
10. CD ROM flexible flat cable according to claim 8, wherein this scuff-resistant coating has low frictional factor.
11. CD ROM flexible flat cable according to claim 1, wherein this movable part is provided with the secondary district that strengthens.
12. CD ROM flexible flat cable according to claim 11 wherein should be extended by strengthening district institute in pair reinforcement district.
13. CD ROM flexible flat cable according to claim 12 wherein should extend along the movable part both sides by strengthening the district in pair reinforcement district.
14. CD ROM flexible flat cable according to claim 11, wherein should pair strengthen the district with strengthen distinguishing from.
15. a CD-ROM drive comprises:
One casing has an opening;
One flexible flat cable is located in the casing, comprises a fixed part and a movable part, fixed part is fixedly arranged on casing, stretches to opening by casing inside, and movable part leans on an end of casing opening oppositely to extend to form initial end by fixed part, initial end is fixedly arranged on casing, and the part of the initial end that continues is then movable;
One scuff-resistant coating is established the inboard of casing, and is positioned on the active path of movable part, and this scuff-resistant coating is positioned at upper casing; And
One strengthens the district, has elastic material, is located at movable part initial end and near surface.
16. CD-ROM drive according to claim 15, wherein this scuff-resistant coating has low frictional factor.
17. CD-ROM drive according to claim 15, wherein this casing is divided into upper casing and lower casing, and fixed part is fixedly arranged on lower casing, and scuff-resistant coating is located at upper casing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101447037A CN101178908B (en) | 2006-11-07 | 2006-11-07 | CD ROM flexible flat cable |
| US12/076,143 US20080166904A1 (en) | 2006-10-16 | 2008-03-14 | Flexible cable for optical disk drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101447037A CN101178908B (en) | 2006-11-07 | 2006-11-07 | CD ROM flexible flat cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101178908A CN101178908A (en) | 2008-05-14 |
| CN101178908B true CN101178908B (en) | 2011-03-16 |
Family
ID=39405124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101447037A Expired - Fee Related CN101178908B (en) | 2006-10-16 | 2006-11-07 | CD ROM flexible flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101178908B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194491A (en) * | 2010-03-04 | 2011-09-21 | 飞利浦建兴数位科技股份有限公司 | Thin optical drive |
| CN107770654B (en) * | 2017-11-21 | 2024-02-20 | 无锡睿勤科技有限公司 | Electronic equipment and digital microphone fixed mounting structure thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725308A (en) * | 2004-07-22 | 2006-01-25 | 明基电通股份有限公司 | Optical drive and its soft line structure |
-
2006
- 2006-11-07 CN CN2006101447037A patent/CN101178908B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725308A (en) * | 2004-07-22 | 2006-01-25 | 明基电通股份有限公司 | Optical drive and its soft line structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101178908A (en) | 2008-05-14 |
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|---|---|---|---|
| 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 | ||
| 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: 20110316 Termination date: 20161107 |