Title of Invention	A MOTOR FOR DRIVING OPTICAL ELEMENTS
Abstract	A motor used to drive optical elements is disclosed. The motor (1) comprises: a stator (2); a rotor (3) revolved relative to the stator (2); and a feedback apparatus used to sense the position of the rotor (3), the feedback apparatus is an encoder, wherein the encoder is a linear encoder and the encoder has a linear scale (21) mounted on the outer surface of a columnar seat (22) which connects with the rotor (3) and a readheader (23) cooperated to the linear scale.

Title of Invention

A MOTOR FOR DRIVING OPTICAL ELEMENTS

Abstract

A motor used to drive optical elements is disclosed. The motor (1) comprises: a stator (2); a rotor (3) revolved relative to the stator (2); and a feedback apparatus used to sense the position of the rotor (3), the feedback apparatus is an encoder, wherein the encoder is a linear encoder and the encoder has a linear scale (21) mounted on the outer surface of a columnar seat (22) which connects with the rotor (3) and a readheader (23) cooperated to the linear scale.

Full Text	BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a motor, and in particular to a motor used to drive optical elements such as mirrors for the purpose of guiding light beams in laser marker, scanners or other systems which are similar to these. 2. The Related Art [0002] A motor used to drive optical elements usually has different structure and configuration. Traditionally, the position feedback apparatus of the motor used to drive optical elements utilizes a capacitive type transducer or an inductance type transducer. However, the accuracy, the repeatability and the stability of the motor are restricted greatly for the drift of the transducer. Moreover, the motor includes two magnetic poles and the motor is supported by ball bearings. The motor'sresponse/(the response of the motor) is restricted because of the small ratio of torque and inertia. And also, the running accuracy is influenced by the low axial stiffness. SUMMARY OF THE INVENTION [0003] An object of the present invention is to provide a motor used to drive optical elements which is controlled by a encoder so as to eliminate the instability of the system caused by the drift of the conventional transducer. At the same time, it is in order to improve the motor's capability so as to improve the system's response, positioning and repeatability. [0004] In order to achieve such aims, the design of the invention will be described in the follow paragraphs. [0005] A motor used to drive optical elements comprises a stator, a rotor revolved relative to the stator, and a feedback apparatus used to sense the position of the rotor. The feedback apparatus is an encoder. [0006] The motor used to drive optical elements, wherein the encoder is a round encoder and the encoder includes an encoding disk droved by the rotor and a readheader cooperated to the encoding disk. [0007] The motor used to drive optical elements, wherein the encoder is a linear encoder and the encoder includes a linear scale mounted on the outer surface of a columnar seat which connects with the rotor and a readheader cooperated to the linear scale. [0008] The motor used to drive optical elements, wherein the readheader includes an emitter and a receiver. [0009] The motor used to drive optical elements, wherein the stator includes a magnetic yoke, a bobbin and a plurality of multipole coils set on the bobbin. [0010] The motor used to drive optical elements, wherein the bobbin and the multipole coils are inserted into the magnetic yoke and shaped together by pouring epoxy resin. [0011] The motor used to drive optical elements, wherein the rotor is a multipolar rotor and includes a shaft, a plurality of bearings and a plurality of magnets whose polarities are arranged alternately on the shaft. [0012] The motor used to drive optical elements, wherein the shaft includes a main body which is made of a highly magnetic material and a pair of nonmagnetic extended portion which extend from the two end of the main body, the magnets are mounted on the main body. [0013] The motor used to drive optical elements, wherein the bearings are angular contact ball bearings and installed on the extended portion. [0014] The motor used to drive optical elements, wherein a pin is defined on one of the extended portions and lies on the outer side of the bearing. [0015] As described hereinabove, the invention utilizes the encoder so as to eliminate the drift caused by transducer and also utilizes the nultipole motor to drive the load so that the load will move fast and smoothly. The capability of the system is improved greatly. BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS [0016] The exact nature of this invention, as well as other objects and dvantages thereof, will be readily apparent from consideration of the ollowing specification relating to the accompanying drawings, in which like reference characters designate the same or similar parts throughout the figures thereof and wherein: [0017] FIG 1 is a perspective assembled view of a motor used to rive optical elements according to the invention; [0018] FIG 2 is a perspective view of a stator of the motor used to rive optical elements according to the invention; [0019] FIG 3 is a assembled view of a bobbin and coils of the stator of the motor used to drive optical elements according to the invention; [0020] FIG 4 is a perspective view of a rotor of the motor used to drive optical elements according to the invention; [0021] FIG 5 is another view of the rotor of the motor used to drive optical elements according to the invention; [0022] FIG 6 is a sectional view of a position feedback apparatus of the motor used to drive optical elements in one embodiment according to the invention; and [0023] FIG 7 is a sectional view of the position feedback apparatus of the motor used to drive optical elements in another embodiment according to the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT [0024] Detailed description will hereunder be given of the preferred embodiment of a motor used to drive optical elements according to the present invention with reference to the accompanying drawings. [0025] As show in FIG 1 to FIG 6, the motor 1 used drive optical elements includes a stator 2 and a rotor 3 revolved relative to the stator 2. The stator 2 includes coils 5, a bobbin 6 and a magnetic yoke 7. The poobbin 6 is made of nonmagnetic material. A plurality of slots are defined on the bobbin 6. Each coil 5 is placed into the slot respectively after it is thaped and the coils 5 form the motor winding by connected in certain equence. The coils 5 and the bobbin 6 are inserted into the magnetic oke 7 and shaped together by pouring epoxy resin. The rotor 3 includes a plurality of magnets 8, a shaft 9 and a pair of bearings 10. The magnets 8 whose polarity is alternately arranged are affixed on the shaft 9. The shaft 9 includes a main body (not show in the FIGS) which is covered by the magnets 8 and a pair of extended portion 11, 12 which extend from the two end of the main body. The main body is made of a material which has a high magnetic permeability and the extended portion 11, 12 are made of nonmagnetic material. The bearings 10 are angular contact ball bearings and installed on the extended portion 11, 12. A spring 13 is installed on the extended portion 12 and lies on the inner side of the bearing 10 so as to provide a constant preload. A load (mirror) is installed on the extended portion 12 too. A pin 14 is defined on the extended portion 12 and lies on the outer side of the bearing 10 so as to limit the rotatmg angle of the motor. The rotor 3 and the stator 2 are oriented accurately by bearing pedestals 19, 20 of the bearings 10. [0026] The magnetic field of the rotor 3 interacts with the stator 2 and produce a torque when the stator 2 is energized so that the rotor 3 drive the load 4 rotating in the stator 2. When the stator 2 is energized with alternating current, the rotor 3 will rotate reciprocally in the stator 2. [0027] An encoder, is a round encoder in this embodiment. The encoder includes an encoding disk 15 installed on the extended portion 11 and driven by the shaft 9 and a readheader 16 cooperated to the encoding disk 15. The gap between the readheader 16 and the encoding disk 15 is adjusted by an encoding seat 17 and the bearing pedestal 20 and also protected by an end shield 18. The encoding disk 15 is grated uniformly. A luminous organ (infrared light eniitting diode) installed on the readheader 16 emits light to the surface of the encoding disk 15 and then the light is reflected to the receiver of the readheader. Position signal of the motor is picked off by the receiver of the readheader. The motion of the rotor 3 or the load 4 is precisely controlled by a feedback control system which is consisted of the encoder. [0028] As the show in FIG7, the FIG7 is a sectional view of the feedback apparatus of the motor used to drive optical elements in another embodiment according to the invention. The encoder is a linear encoder in this embodiment. The encoder includes a linear scale 21 mounted on the outer surface of a columnar seat 22 which connects with the extended portion 11 and a readheader 23 cooperated to the linear scale 21. The angular position of the rotor 3 is measured by the readheader 23 on the radial direction. [0029] The motor used to used to drive optical elements according to the invention utilizes such described structure so as to eliminate the system's instability caused by the drift of the conventional capacitive type transducer or an inductance type transducer. Moreover, the response of the motor used to drive optical elements has been improved greatly by utilizing multipole motor. [0030] The motor used to drive optical elements described above utilizes a multiple pole stator consisting of multiple pole winding and multiple pole rotor consisting of a plurality of magnets. In fact, the stator and the rotor can also be two poles if the motor satisfies the system requirements. [0031] It is to be understood, however, that even though numerous, characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosed is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed. WE CLAIM : 1. A motor (1) used to drive optical elements comprising: a stator (2); a rotor (3) revolved relative to the stator (2); and a feedback apparatus used to sense the position of the rotor (3), the feedback apparatus is an encoder, wherein the encoder is a linear encoder and the encoder has a linear scale (21) mounted on the outer surface of a columnar seat (22) which connects with the rotor (3) and a readheader (23) cooperated to the linear scale. 2. The motor (1) used to drive optical elements as claimed in claim 1, wherein the readheader (23) comprises an emitter and a receiver. 3. The motor (1) used to drive optical elements as claimed in claim 2, wherein the stator (2) comprises a magnetic yoke (7), a bobbin (6) and a plurality of coils (5) set on the bobbin (6). 4. The motor used to drive optical elements as claimed in claim 3, wherein the bobbin (6) and the plurality of (5) coils are inserted into the magnetic yoke (7) and shaped together by pouring epoxy resin. 5. The motor (1) used to drive optical elements as claimed in claim 4, wherein the rotor comprises a shaft (9), a plurality of bearings (10) and a plurality of magnets (8) whose polarity is alternately arranged on the shaft (9). 6. The motor (1) used to drive optical elements as claimed in claim 5, wherein the shaft (9) comprises a main body which is made of a highly magnetic material and a pair of nonmagnetic extended portions (11, 12) which extend from two ends of the main body, wherein the plurality of magnets (8) are mounted on the main body. 7. The motor (1) used to drive optical elements as claimed in claim 6, wherein the plurality of bearings (10) are angular contact ball bearings and installed on the pair of nonmagnetic extended portions (11, 12). 8. The motor (1) used to drive optical elements as claimed in claim 7, wherein a pin (14) is defined on one of the pair of nonmagnetic extended portions (11, 12) and lies on the outer side of the bearing (10) installed on the one of the pair of nonmagnetic extended portions (11, 12) so as to limit a rotation angle of the motor (1). Abstract "A Motor For Driving Optical Elements" A motor used to drive optical elements is disclosed. The motor (1) comprises: a stator (2); a rotor (3) revolved relative to the stator (2); and a feedback apparatus used to sense the position of the rotor (3), the feedback apparatus is an encoder, wherein the encoder is a linear encoder and the encoder has a linear scale (21) mounted on the outer surface of a columnar seat (22) which connects with the rotor (3) and a readheader (23) cooperated to the linear scale.

Full Text

BACKGROUND OF THE INVENTION
1. Field of the Invention
[0001] The present invention relates to a motor, and in particular to a
motor used to drive optical elements such as mirrors for the purpose of
guiding light beams in laser marker, scanners or other systems which are
similar to these.
2. The Related Art
[0002] A motor used to drive optical elements usually has different
structure and configuration. Traditionally, the position feedback apparatus
of the motor used to drive optical elements utilizes a capacitive type
transducer or an inductance type transducer. However, the accuracy, the
repeatability and the stability of the motor are restricted greatly for the
drift of the transducer. Moreover, the motor includes two magnetic poles
and the motor is supported by ball bearings. The motor'sresponse/(the
response of the motor) is restricted because of the small ratio of torque
and inertia. And also, the running accuracy is influenced by the low axial
stiffness.
SUMMARY OF THE INVENTION
[0003] An object of the present invention is to provide a motor used
to drive optical elements which is controlled by a encoder so as to
eliminate the instability of the system caused by the drift of the
conventional transducer. At the same time, it is in order to improve the
motor's capability so as to improve the system's response, positioning

and repeatability.
[0004] In order to achieve such aims, the design of the invention will
be described in the follow paragraphs.
[0005] A motor used to drive optical elements comprises a stator, a
rotor revolved relative to the stator, and a feedback apparatus used to
sense the position of the rotor. The feedback apparatus is an encoder.
[0006] The motor used to drive optical elements, wherein the encoder
is a round encoder and the encoder includes an encoding disk droved by
the rotor and a readheader cooperated to the encoding disk.
[0007] The motor used to drive optical elements, wherein the encoder
is a linear encoder and the encoder includes a linear scale mounted on the
outer surface of a columnar seat which connects with the rotor and a
readheader cooperated to the linear scale.
[0008] The motor used to drive optical elements, wherein the
readheader includes an emitter and a receiver.
[0009] The motor used to drive optical elements, wherein the stator
includes a magnetic yoke, a bobbin and a plurality of multipole coils set
on the bobbin.
[0010] The motor used to drive optical elements, wherein the bobbin
and the multipole coils are inserted into the magnetic yoke and shaped
together by pouring epoxy resin.
[0011] The motor used to drive optical elements, wherein the rotor is
a multipolar rotor and includes a shaft, a plurality of bearings and a
plurality of magnets whose polarities are arranged alternately on the shaft.

[0012] The motor used to drive optical elements, wherein the shaft
includes a main body which is made of a highly magnetic material and a
pair of nonmagnetic extended portion which extend from the two end of
the main body, the magnets are mounted on the main body.
[0013] The motor used to drive optical elements, wherein the
bearings are angular contact ball bearings and installed on the extended
portion.
[0014] The motor used to drive optical elements, wherein a pin is
defined on one of the extended portions and lies on the outer side of the
bearing.
[0015] As described hereinabove, the invention utilizes the encoder
so as to eliminate the drift caused by transducer and also utilizes the
nultipole motor to drive the load so that the load will move fast and
smoothly. The capability of the system is improved greatly.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
[0016] The exact nature of this invention, as well as other objects and
dvantages thereof, will be readily apparent from consideration of the
ollowing specification relating to the accompanying drawings, in which
like reference characters designate the same or similar parts throughout
the figures thereof and wherein:
[0017] FIG 1 is a perspective assembled view of a motor used to
rive optical elements according to the invention;
[0018] FIG 2 is a perspective view of a stator of the motor used to
rive optical elements according to the invention;

[0019] FIG 3 is a assembled view of a bobbin and coils of the stator
of the motor used to drive optical elements according to the invention;
[0020] FIG 4 is a perspective view of a rotor of the motor used to
drive optical elements according to the invention;
[0021] FIG 5 is another view of the rotor of the motor used to drive
optical elements according to the invention;
[0022] FIG 6 is a sectional view of a position feedback apparatus of
the motor used to drive optical elements in one embodiment according to
the invention; and
[0023] FIG 7 is a sectional view of the position feedback apparatus
of the motor used to drive optical elements in another embodiment
according to the invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0024] Detailed description will hereunder be given of the preferred
embodiment of a motor used to drive optical elements according to the
present invention with reference to the accompanying drawings.
[0025] As show in FIG 1 to FIG 6, the motor 1 used drive optical
elements includes a stator 2 and a rotor 3 revolved relative to the stator 2.
The stator 2 includes coils 5, a bobbin 6 and a magnetic yoke 7. The
poobbin 6 is made of nonmagnetic material. A plurality of slots are defined
on the bobbin 6. Each coil 5 is placed into the slot respectively after it is
thaped and the coils 5 form the motor winding by connected in certain
equence. The coils 5 and the bobbin 6 are inserted into the magnetic
oke 7 and shaped together by pouring epoxy resin. The rotor 3 includes

a plurality of magnets 8, a shaft 9 and a pair of bearings 10. The magnets
8 whose polarity is alternately arranged are affixed on the shaft 9. The
shaft 9 includes a main body (not show in the FIGS) which is covered by
the magnets 8 and a pair of extended portion 11, 12 which extend from
the two end of the main body. The main body is made of a material which
has a high magnetic permeability and the extended portion 11, 12 are
made of nonmagnetic material. The bearings 10 are angular contact ball
bearings and installed on the extended portion 11, 12. A spring 13 is
installed on the extended portion 12 and lies on the inner side of the
bearing 10 so as to provide a constant preload. A load (mirror) is installed
on the extended portion 12 too. A pin 14 is defined on the extended
portion 12 and lies on the outer side of the bearing 10 so as to limit the
rotatmg angle of the motor. The rotor 3 and the stator 2 are oriented
accurately by bearing pedestals 19, 20 of the bearings 10.
[0026] The magnetic field of the rotor 3 interacts with the stator 2
and produce a torque when the stator 2 is energized so that the rotor 3
drive the load 4 rotating in the stator 2. When the stator 2 is energized
with alternating current, the rotor 3 will rotate reciprocally in the stator 2.
[0027] An encoder, is a round encoder in this embodiment. The
encoder includes an encoding disk 15 installed on the extended portion 11
and driven by the shaft 9 and a readheader 16 cooperated to the encoding
disk 15. The gap between the readheader 16 and the encoding disk 15 is
adjusted by an encoding seat 17 and the bearing pedestal 20 and also
protected by an end shield 18. The encoding disk 15 is grated uniformly.
A luminous organ (infrared light eniitting diode) installed on the
readheader 16 emits light to the surface of the encoding disk 15 and then
the light is reflected to the receiver of the readheader. Position signal of
the motor is picked off by the receiver of the readheader. The motion of

the rotor 3 or the load 4 is precisely controlled by a feedback control
system which is consisted of the encoder.
[0028] As the show in FIG7, the FIG7 is a sectional view of the
feedback apparatus of the motor used to drive optical elements in another
embodiment according to the invention. The encoder is a linear encoder in
this embodiment. The encoder includes a linear scale 21 mounted on the
outer surface of a columnar seat 22 which connects with the extended
portion 11 and a readheader 23 cooperated to the linear scale 21. The
angular position of the rotor 3 is measured by the readheader 23 on the
radial direction.
[0029] The motor used to used to drive optical elements according to
the invention utilizes such described structure so as to eliminate the
system's instability caused by the drift of the conventional capacitive type
transducer or an inductance type transducer. Moreover, the response of
the motor used to drive optical elements has been improved greatly by
utilizing multipole motor.
[0030] The motor used to drive optical elements described above
utilizes a multiple pole stator consisting of multiple pole winding and
multiple pole rotor consisting of a plurality of magnets. In fact, the stator
and the rotor can also be two poles if the motor satisfies the system
requirements.
[0031] It is to be understood, however, that even though numerous,
characteristics and advantages of the present invention have been set forth
in the foregoing description, together with details of the structure and
function of the invention, the disclosed is illustrative only, and changes
may be made in detail, especially in matters of shape, size, and
arrangement of parts within the principles of the invention to the full

extent indicated by the broad general meaning of the terms in which the
appended claims are expressed.

WE CLAIM :
1. A motor (1) used to drive optical elements comprising:
a stator (2);
a rotor (3) revolved relative to the stator (2); and
a feedback apparatus used to sense the position of the rotor (3), the feedback apparatus is an
encoder, wherein
the encoder is a linear encoder and the encoder has a linear scale (21) mounted on the outer
surface of a columnar seat (22) which connects with the rotor (3) and a readheader (23) cooperated to
the linear scale.
2. The motor (1) used to drive optical elements as claimed in claim 1, wherein the readheader (23)
comprises an emitter and a receiver.
3. The motor (1) used to drive optical elements as claimed in claim 2, wherein the stator (2)
comprises a magnetic yoke (7), a bobbin (6) and a plurality of coils (5) set on the bobbin (6).
4. The motor used to drive optical elements as claimed in claim 3, wherein the bobbin (6) and the
plurality of (5) coils are inserted into the magnetic yoke (7) and shaped together by pouring epoxy
resin.
5. The motor (1) used to drive optical elements as claimed in claim 4, wherein the rotor comprises
a shaft (9), a plurality of bearings (10) and a plurality of magnets (8) whose polarity is alternately
arranged on the shaft (9).
6. The motor (1) used to drive optical elements as claimed in claim 5, wherein the shaft (9)
comprises a main body which is made of a highly magnetic material and a pair of nonmagnetic
extended portions (11, 12) which extend from two ends of the main body, wherein the plurality of
magnets (8) are mounted on the main body.

7. The motor (1) used to drive optical elements as claimed in claim 6, wherein the plurality of
bearings (10) are angular contact ball bearings and installed on the pair of nonmagnetic extended
portions (11, 12).
8. The motor (1) used to drive optical elements as claimed in claim 7, wherein a pin (14) is defined
on one of the pair of nonmagnetic extended portions (11, 12) and lies on the outer side of the bearing
(10) installed on the one of the pair of nonmagnetic extended portions (11, 12) so as to limit a rotation
angle of the motor (1).

Abstract

"A Motor For Driving Optical Elements"
A motor used to drive optical elements is disclosed. The motor (1) comprises: a stator (2); a
rotor (3) revolved relative to the stator (2); and a feedback apparatus used to sense the position of the
rotor (3), the feedback apparatus is an encoder, wherein the encoder is a linear encoder and the encoder
has a linear scale (21) mounted on the outer surface of a columnar seat (22) which connects with the
rotor (3) and a readheader (23) cooperated to the linear scale.

Documents:

04983-kolnp-2007-abstract.pdf

04983-kolnp-2007-claims.pdf

04983-kolnp-2007-correspondence others.pdf

04983-kolnp-2007-description complete.pdf

04983-kolnp-2007-drawings.pdf

04983-kolnp-2007-form 1.pdf

04983-kolnp-2007-form 3.pdf

04983-kolnp-2007-form 5.pdf

04983-kolnp-2007-others.pdf

4983-KOLNP-2007-(16-02-2012)-CORRESPONDENCE.pdf

4983-KOLNP-2007-ABSTRACT 1.1.pdf

4983-KOLNP-2007-AMANDED PAGES OF SPECIFICATION.pdf

4983-KOLNP-2007-ASSIGNMENT 1.1.pdf

4983-KOLNP-2007-ASSIGNMENT.pdf

4983-KOLNP-2007-CLAIMS 1.1.pdf

4983-KOLNP-2007-CORRESPONDENCE 1.1.pdf

4983-KOLNP-2007-CORRESPONDENCE 1.2.pdf

4983-KOLNP-2007-CORRESPONDENCE 1.3.pdf

4983-KOLNP-2007-CORRESPONDENCE OTHERS 1.1.pdf

4983-KOLNP-2007-CORRESPONDENCE.pdf

4983-KOLNP-2007-DESCRIPTION (COMPLETE) 1.1.pdf

4983-KOLNP-2007-DRAWINGS 1.1.pdf

4983-KOLNP-2007-ENGLISH TRANSLATION.pdf

4983-KOLNP-2007-EXAMINATION REPORT REPLY RECIEVED.pdf

4983-KOLNP-2007-EXAMINATION REPORT.pdf

4983-KOLNP-2007-FORM 1-1.1.pdf

4983-KOLNP-2007-FORM 18 1.1.pdf

4983-kolnp-2007-form 18.pdf

4983-KOLNP-2007-FORM 2.pdf

4983-KOLNP-2007-FORM 3 1.2.pdf

4983-KOLNP-2007-FORM 3-1.1.pdf

4983-KOLNP-2007-FORM 5 1.2.pdf

4983-KOLNP-2007-FORM 5-1.1.pdf

4983-KOLNP-2007-GPA.pdf

4983-KOLNP-2007-GRANTED-ABSTRACT.pdf

4983-KOLNP-2007-GRANTED-CLAIMS.pdf

4983-KOLNP-2007-GRANTED-DESCRIPTION (COMPLETE).pdf

4983-KOLNP-2007-GRANTED-DRAWINGS.pdf

4983-KOLNP-2007-GRANTED-FORM 1.pdf

4983-KOLNP-2007-GRANTED-FORM 2.pdf

4983-KOLNP-2007-GRANTED-SPECIFICATION.pdf

4983-KOLNP-2007-OTHERS 1.1.pdf

4983-KOLNP-2007-OTHERS 1.2.pdf

4983-KOLNP-2007-OTHERS 1.3.pdf

4983-KOLNP-2007-PETITION UNDER RULE 137.pdf

4983-KOLNP-2007-REPLY TO EXAMINATION REPORT.pdf

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Patent Number

253929

Indian Patent Application Number

4983/KOLNP/2007

PG Journal Number

36/2012

Publication Date

07-Sep-2012

Grant Date

04-Sep-2012

Date of Filing

24-Dec-2007

Name of Patentee

SHENZHEN HAN'S PRECISION MECHATRONICS CO., LTD.

Applicant Address

NO. 8 ROAD 5; NORTHERN SECTION IN HIGH-TECH INDUSTRIAL PARK, NANSHAN SHENZHEN 518057, GUANGDONG PROVINCE

Inventors:

#	Inventor's Name	Inventor's Address
1	GAO YUN-FENG	NO. 8 ROAD 5, NORTHERN SECTION IN HIGH-TECH INDUSTRIAL PARK, NANSHAN SHENZHEN 518057, GUANGDONG PROVINCE
2	WANG GUANG-NENG	NO. 8 ROAD 5, NORTHERN SECTION IN HIGH-TECH INDUSTRIAL PARK, NANSHAN SHENZHEN 518057, GUANGDONG PROVINCE
3	FU XIAO-HUI	NO. 8 ROAD 5, NORTHERN SECTION IN HIGH-TECH INDUSTRIAL PARK, NANSHAN SHENZHEN 518057, GUANGDONG PROVINCE
4	LIAO YOU-YONG	NO. 8 ROAD 5, NORTHERN SECTION IN HIGH-TECH INDUSTRIAL PARK, NANSHAN SHENZHEN 518057, GUANGDONG PROVINCE

PCT International Classification Number

H02K 33/00

PCT International Application Number

PCT/CN2006/001588

PCT International Filing date

2006-07-06

PCT Conventions:

#	PCT Application Number	Date of Convention	Priority Country
1	200610035684.4	2006-05-29	China