WO2017114487A1

WO2017114487A1 - Smart glove and manufacturing method therefor

Info

Publication number: WO2017114487A1
Application number: PCT/CN2016/113486
Authority: WO
Inventors: 黄慧旎; 姜小花; 宋恩亮; 叶晓睿; 张兴朝; 李修平
Original assignee: 博世汽车部件(苏州)有限公司; 博世（上海）智能科技有限公司
Priority date: 2015-12-31
Filing date: 2016-12-30
Publication date: 2017-07-06
Also published as: CN106933335A

Abstract

A smart glove (1) and a method for manufacturing the smart glove (1). The smart glove (1) comprises: a glove body (10), formed by two palm-shaped glove half portions, one of the glove half portions being provided with a two-layer structure to form a sandwich layer located at the side of a hand back; a button (20); a control box (30); a circuit assembly (40) located in the sandwich layer, comprising at least one finger circuit (41a, 41b, 41c, 41d, 41e) that is positioned in a finger part corresponding to the glove body (10) and that is separately provided with one or more sensors (410a, 410b, 410c, 410d, 410e, 411a, 411b, 411c, 411d, 411e, 412a); and a conductive circuit (42) connecting the finger circuit (41a, 41b, 41c, 41d, 41e) and the button (20) to the control box (30). A first opening (11), a second opening (12) and a button opening (14) are formed in an outer layer of the glove half portion having the two-layer structure. The smart glove (1) has the advantages that the smart glove (1) has a simple structure, is convenient to assemble and manufacture, is accurate to measure, has a rapid data processing speed, is convenient to wear and has a high recognition efficiency. By means of the method for manufacturing the smart glove (1), components of the smart glove (1) can be rapidly assembled, and damage to a measurement circuit can be easily prevented in the assembly process.

Description

Smart glove and manufacturing method thereof

Technical field

The present invention relates to the field of wearable devices and, more particularly, to a smart glove and a method of manufacturing the same.

Background technique

With the development of information technology, more and more smart wearable devices have been developed. Among them, smart gloves have become an important development direction of wearable devices. Intelligent wearable devices are the general term for the application of computer technology, sensor technology and communication technology to intelligently design conventional wearable devices and develop devices that can be worn on the human body. Currentlyadays, smart wearable devices include, but are not limited to, smart bracelets, smart glasses, smart watches, and the like. Through these smart wearable devices, it is possible to collect and monitor human motion and physiological data, prompting users' health status; conveniently acquiring, displaying and exchanging information through the Internet for more efficient information exchange and display.

Smart gloves are an emerging smart wearable device that is mainly used for gesture recognition, such as providing sign language recognition for deaf people, identifying gestures of specific professionals (such as traffic police, etc.), or implementing operations on other electronic devices, such as Operate virtual reality devices, game consoles, operate industrial robots and robots, and carry out various design activities.

Existing smart gloves mainly include a glove body, an electronic system, and a sensor. The sensor is typically disposed at a position corresponding to a finger joint or a specific finger position, and is configured to be capable of measuring the azimuth, acceleration, speed, and the like of the corresponding position. The measured data is sent to a processing unit for data processing to calculate data such as a bend angle between adjacent finger joints. The user's gesture is identified based on the bending angle information.

However, the existing smart gloves have problems such as difficulty in manufacturing and assembling the body, unreasonable setting of the measurement circuit, poor recognition rate of the gesture, and generation of a large amount of invalid data. Accordingly, it would be desirable to design a smart glove and method of making the same that overcomes at least one of the above problems.

Summary of the invention

It is an object of the present invention to provide a smart glove that is easy to manufacture, reasonably designed, and has a better gesture recognition rate. Another object of the present invention is to provide a side for manufacturing the smart glove. law.

The object of the present invention is achieved by the following technical solutions:

A smart glove 1 characterized in that it comprises:

a glove cover 10 comprising two palm-shaped glove halves, one of the glove halves having a two-layer structure to form an interlayer on the back side of the hand;

a button 20 positioned at the tiger's mouth of the glove cover 10;

Control box 30, comprising an arithmetic module 33 and a power source 34;

A circuit assembly 40, located in the mezzanine, and comprising:

At least one

finger circuit

41a, 41b, 41c, 41d, 41e positioned at a corresponding finger portion of the glove cover 10, and one or more sensors respectively disposed on each of the

finger circuits

41a, 41b, 41c, 41d,

41e

410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d, 411d; 410e, 411e;

Conduction circuit 42 configured to couple at least one

finger circuit

41a, 41b, 41c, 41d, 41e and button 20 to control box 30;

Wherein the outer layer of the glove half having the two-layer structure has a first opening 11, a second opening 12 and a button opening 14, the first opening 11 being configured to enable at least a portion of the conductive circuit 42 to be coupled thereto to be coupled to the control box 30, and the second opening 12 is configured to enable the circuit assembly 40 and the button 20 to be inserted therethrough, the button opening 14 being located at the tiger's mouth of the glove cover 10 and configured such that at least a portion of the button 20 can pass through the button opening 14 exposed.

Optionally, the

respective finger circuits

41a, 41b, 41c, 41d, 41e are arranged such that when the smart glove 1 is worn by the user, the one or

more sensors

410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d,

411d

410e, 411e are respectively located near the middle of each phalanx of the finger, and one or

more sensors

410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d, 411d; 410e, 411e are configured to sense the displacement of each phalanx of the finger The sensed data is transmitted to the control box 30 via the conduction circuit 42.

Optionally, the second opening 12 is configured to be near the root of the index finger to the little finger and laterally across the back of the hand of the glove cover 10.

Alternatively, at least a portion of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42 are composed of a flexible circuit board and are wrapped by the package 51.

Optionally, the package body 51 includes first and second films 51a1, 51f1 and second films 51a2, 51f2 that match the shape of at least a portion of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42, the first film 51a1 The 51f1 and the second film 51a2, 51f2 respectively cover at least a part of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42 from both sides and are joined together at the edges for encapsulation.

A method of manufacturing the above smart glove, comprising the steps of:

Preparing a glove cover 10, a button 20, a control box 30 and a circuit assembly 40;

Inserting the button 20 and the circuit assembly 40 into the interlayer through the second opening 12;

Positioning the button 20 to the tiger's mouth of the glove cover 10 and causing at least a portion of the button 20 to be exposed from the button opening 14;

Positioning at least one

finger circuit

41a, 41b, 41c, 41d, 41e at a corresponding finger portion of the glove cover 10;

Passing at least a portion of the conductive circuit 42 through the second opening 12 and connected to the control box 30;

Closing the first opening 11, the second opening 12, and the button opening 14;

The control box 30 is fixed to the glove cover 10.

Optionally, the step of preparing the glove cover 10 includes:

Manufacturing two glove halves of the hand shape, wherein at least one of the glove halves has a two-layer structure;

Sewing the outer portions of the two glove halves to the area of the two glove halves except the glove opening 13 to form a stitched glove cover 10;

The glove cover 10 is overturned by the glove opening 13;

The first opening 11, the second opening 12, and the button opening 14 are opened on the outer side of the glove half having a two-layer structure.

Optionally, the step of inserting the circuit assembly 40 through the first opening 11 in the body further includes securing the circuit assembly 40 and the button 20 to the glove cover 10 and then closing the first opening 11.

Optionally, the steps of preparing the circuit assembly 40 include:

Providing first films 51a1, 51f1 and second films 51a2, 51f2 that match the shape of at least a portion of the circuit assembly 40;

At least a portion of the circuit assembly 40 is covered from both sides by the first films 51a1, 51f1 and the second films 51a2, 51f2; the first films 51a1, 51f1 and the second films 51a2, 51f2 are joined at the edges by a high-frequency hot melt process together.

Optionally, the step of preparing the circuit component 40 further includes:

Guide members

510a, 510b composed of the first films 51a1, 51f1 and the second films 51a2, 51f2 are formed at the ends of the at least one

finger circuit

41a, 41b, 41c, 41d, 41e to facilitate insertion and positioning of the circuit assembly 40.

The invention has the advantages that the smart glove of the invention has the advantages of simple structure, convenient manufacture and assembly, accurate measurement, rapid data processing, convenient wearing and high recognition rate. The method of manufacturing a smart glove of the present invention enables quick assembly of components of the smart glove and avoids easily damaging the measurement circuit during assembly.

DRAWINGS

The invention will be described in further detail below with reference to the drawings and the preferred embodiments, but those skilled in the art will understand that the drawings are only for the purpose of explaining the preferred embodiments, and therefore should not be Limitation of the scope of the invention. In addition, the drawings are only intended to be illustrative of the composition or construction of the described subject matter, and may be exaggerated, and the drawings are not necessarily to scale.

1 is a schematic illustration of one embodiment of a smart glove of the present invention.

Figure 2 is an exploded perspective view of the embodiment of Figure 1.

Figure 3 is a schematic view showing the connection of the circuit assembly, the button and the control box of the embodiment shown in Figure 1.

Figure 4 is a partial schematic view of the embodiment of Figure 3.

Figure 5 is a block diagram showing the structure of the circuit assembly and button of the embodiment of Figure 1 after packaging.

Figure 6 is a cross-sectional view taken along line A-A of Figure 5.

Figure 7 is a cross-sectional view taken along line B-B of Figure 5.

Figure 8 is a perspective view of the button of the embodiment of Figure 1.

Figure 9 is a cross-sectional view of the button shown in Figure 8.

Figure 10 is an exploded perspective view of the control box of the embodiment of Figure 1.

Figure 11 is a schematic illustration of a portion of a method of making a smart glove of the present invention.

detailed description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is only illustrative, exemplary, and should not be construed as limiting the scope of the invention.

First, it should be noted that the terms top, bottom, upward, downward, etc. mentioned herein are defined with respect to the directions in the respective drawings, they are relative concepts, and thus can be based on them. It varies in different locations and in different practical states. Therefore, these or other orientation terms should not be construed as limiting terms.

In addition, it should be noted that any single technical feature described or implied in the embodiments herein, or any single technical feature shown or implied in the drawings, can still be Combinations continue between the materials to obtain other embodiments of the invention that are not directly mentioned herein.

In addition, in the different drawings, the same reference numerals are used to refer to the same or substantially the same parts.

1 is a schematic illustration of one embodiment of a smart glove of the present invention. Wherein, the smart glove 1 comprises a glove cover 10, a control box 30 on the back of the hand of the glove cover 10, and a button or switch 20, the button 20 being located at the tiger's mouth of the glove cover 10 or the side of the forefinger root near the thumb. on.

Figure 2 is an exploded perspective view of the embodiment of Figure 1. Among them, the smart glove 1 includes:

Button 20 and control box 30;

A circuit assembly 40, located in the mezzanine, and comprising:

At least one

finger circuit

41a, 41b, 41c, 41d, 41e, which will be positioned at a corresponding finger portion of the glove cover 10, and;

Conduction circuit 42 configured to couple at least one

finger circuit

41a, 41b, 41c, 41d, 41e and button 20 to control box 30;

Optionally, the second opening 12 is configured to be substantially flush with the finger seam between the thumb and the index finger.

Also shown in Fig. 2 is a glove opening 13 leading between the two glove halves that is configured to allow a person's fingers and palms to be inserted therethrough into the glove cover 10.

Figure 3 is a schematic view showing the connection of the circuit assembly, the button and the control box of the embodiment shown in Figure 1. Among them, the finger circuit 41a is provided with a plurality of sensors, and the finger circuit 41a corresponding to the thumb is provided with three

sensors

410a, 411a, and 412a. The conduction circuit 42 couples the

finger circuits

41a, 41b, 41c, 41d, 41e and the button 20 to the control box 30 through the plug 43.

Alternatively, hub 420 can be included on conduction circuit 42. In the preferred embodiment illustrated, the hub 420 is located where the finger circuit is coupled to the conductive circuit 42.

4 is a partial schematic view of the circuit assembly of the embodiment of FIG. 3. In the preferred embodiment illustrated, one or more sensors are provided on each of the

finger circuits

41b, 41c, 41d, 41e, respectively. Wherein, the finger circuit 41b corresponding to the index finger is provided with two

sensors

410b and 411b; the finger circuit 41c corresponding to the middle finger is provided with two

sensors

410c and 411c; and the finger circuit 41d corresponding to the ring finger is provided with two sensors 410d. And 411d; and two

sensors

410e, 411e are provided on the finger circuit 41e corresponding to the little finger. Further, the

respective finger circuits

41b, 41c, 41d, 41e are coupled together by the extension portion 41f.

It should be noted that the circuit assembly 40 of FIG. 4 is not packaged with a package, while the circuit assembly 40 of FIGS. 2, 3, and 5 is shown with a transparent or opaque package.

In the preferred embodiment shown in Figures 3 and 4, the

respective finger circuits

41a, 41b, 41c, 41d, 41e are arranged such that when the smart glove 1 is worn by the user, the

sensors

410a, 411a, 412a are close to each of the thumbs The middle portion of the phalanx; the

sensors

410b, 411b are near the middle of each phalanx of the index finger; the

sensors

410c, 411c are near the middle of each phalanx of the middle finger; the

sensors

410d, 411d are near the middle of each phalanx of the ring finger; and the

sensors

410e, 411e are close to the phalanx of the little finger Central. Further, each of the above-described sensors may be configured to sense information such as displacement, acceleration, direction, and the like of each phalanx of the finger, and transmit the sensed data to the control box 30 through the conduction circuit 42.

Figure 5 is a block diagram showing the structure of the circuit assembly and button of the embodiment of Figure 1 after packaging. Among them, at least a part of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conduction circuit 42 are composed of a flexible circuit board (FPCB) and are packaged by the package 51. Further, a plurality of

guides

510a, 510b, 510c, 510d, and 510e composed of the package 51 are formed at the ends of the

finger circuits

41a, 41b, 41c, 41d, and 41e.

Figure 6 is a cross-sectional view taken along line A-A of Figure 5, and Figure 7 is a section B-B of Figure 5. Cross-sectional view. In the illustrated embodiment, the package body 51 includes first films 51a1, 51f1 and second films 51a2, 51f2 that match the shape of at least a portion of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42, The first films 51a1, 51f1 and the second films 51a2, 51f2 respectively cover at least a part of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42 from both sides and are joined together at the edges to be packaged.

Optionally, the first films 51a1, 51f1 and the second films 51a2, 51f2 are transparent films of thermoplastic polyurethane (TPU).

Wherein at least a portion of the

finger circuits

41a, 41b, 41c, 41d, 41e and the conductive circuit 42 is formed between the first film 51a1 and the second film 51a2 and between the first film 51f1 and the second film 51f2. The accommodation space 52. As shown in FIG. 6, the sensor circuit 410a is provided on the finger circuit 41a, and as shown in FIG. 7, the wires of the conductive circuit 42 are packaged in the accommodating space 52. Additionally, the receiving space 52 can be filled with a filler material, including but not limited to glue or the like.

It should be understood that although only the package body 51 covering all the finger circuits is shown in FIG. 5 and FIG. 6, other shapes of the package may be selected according to actual conditions, or an integrated package may be used without Divided into two layers of film.

Figure 8 is a perspective view of the button of the embodiment of Figure 1. Among them, the button 20 has a housing 21 and is connected to the conductive circuit 42.

Figure 9 is a cross-sectional view of the button shown in Figure 8. Among them, the button 20 includes a housing 21, a button circuit board 23 and a button 22 located inside the housing 21. The button 22 is electrically connected to the conduction circuit 42 through the button circuit board 23.

It will be readily understood that the housing 21 is formed from a deformable material. The button 22 will be activated when the user presses the housing 21, and an electrical signal is transmitted to the control box 30 through the conduction circuit 42, thereby facilitating activation/shutdown of the smart glove 1 or other operations.

Further, when fixed on the glove cover 10, a portion of the housing 21 facing the button 22 will be exposed from the button opening 14, so that the user can operate the button 22 by pressing the exposed housing 21.

Figure 10 is an exploded perspective view of the control box of the embodiment of Figure 1. Among them, the control box 30 includes an upper cover 31 and a lower cover 32. The upper cover 31 and the lower cover 32 house the arithmetic module 33 and the power source 34 therein. Further, a third opening 35 for charging or communication is provided on the upper cover 31, and a fourth opening 36 for connection with the conductive circuit 42 is provided on the lower cover 32.

Alternatively, at least a portion of the conductive circuit 42 or the plug 43 can pass through the fourth opening 36 to communicate with the computing module 33 and the power source 34. In addition, the connection between the control box 30 conduction circuits 42 may also employ wireless communication technology, and the power source 34 may be configured to be charged by wire or wirelessly.

The smart glove of the invention has the advantages of simple structure, convenient manufacture and assembly, accurate measurement, rapid data processing, convenient wearing and high recognition rate.

Figure 11 is a schematic illustration of one step of a method of manufacturing a smart glove of the present invention. Wherein, the glove cover 10, the button 20, the control box 30 and the circuit assembly 40 are prepared;

Positioning at least one

finger circuit

Closing the first opening 11, the second opening 12 and the button opening 14, for example by stitching or adding a cover;

The control box 30 is fixed to the glove cover 10.

Optionally, the step of inserting the button 20 and the circuit assembly 40 into the interlayer through the second opening 12 includes, for example, as shown in FIG. 11, after the second opening 12 is opened, the finger circuit 41a is first removed from the second The opening 12 is inserted into the interlayer, then moved in the direction of the wrist in the interlayer, and then inserted into the portion of the interlayer adjacent to the thumb in the direction indicated by the arrow D1. Similarly, the

finger circuits

41b, 41c, 41d, 41e are directly inserted from the second opening 12 into the portion of the interlayer adjacent to the respective fingers in the direction indicated by the arrow D2, and the extension portion 41f and the conduction circuit 42 pass through the second opening 12 A portion of the interlayer adjacent to the back of the hand is inserted in a direction opposite to the direction as indicated by the arrow D2.

Alternatively, the control box 30 can be attached to the glove cover 10 by any suitable means, such as to the back of the hand of the glove cover 10, or the control box 30 can be separately secured at the wrist position of the person.

Optionally, the step of preparing the glove cover 10 includes:

The glove cover 10 is overturned by the glove opening 13;

Optionally, the steps of preparing the circuit assembly 40 include:

Optionally, the step of preparing the circuit component 40 further includes:

Guide members

finger circuit

The method of manufacturing a smart glove of the present invention enables quick assembly of the various components of the smart glove 1 and avoids easily damaging the measurement circuit during assembly.

Through the disclosure of the present invention, those skilled in the art can easily adopt the method for manufacturing a smart glove of the present invention to manufacture a wearable smart device kit and equipment including the smart glove of the present invention, or to use the smart glove according to the present invention and Its manufacturing method is used for other purposes. In addition, although the present invention does not disclose the specific dimensions of the various components, those skilled in the art can fabricate different sized components as needed to suit different palm sizes from children to adults.

Further, although a glove capable of accommodating five fingers is shown in a preferred embodiment of the present invention, a person skilled in the art can easily construct a glove capable of accommodating five or less fingers, or a part of at least one finger. Exposed half finger gloves.

The present invention is disclosed with reference to the drawings, and also to enable those skilled in the art to practice the invention, including making and using any device or system, selecting suitable materials, and using any combination. The scope of the present invention is defined by the claimed technical solutions and includes other examples that are apparent to those skilled in the art. As long as such other examples include knots that are not different from the technical language of the claimed solution A component, or such other example, includes equivalent structural elements that are not substantially different from the literal language of the claimed technical solution, and such other examples should be considered as being determined by the technical solution claimed in the claims of the present invention. Within the scope of protection.

Claims

A smart glove (1), characterized in that it comprises:

a glove cover (10) consisting of two palm-shaped glove halves, one of the glove halves having a two-layer structure to form an interlayer on the back side of the hand;

a button (20) positioned at the tiger's mouth of the glove cover (10);

a control box (30) including an arithmetic module (33) and a power source (34);

a circuit assembly (40) located in the interlayer and comprising:

At least one finger circuit (41a, 41b, 41c, 41d, 41e) positioned at a corresponding finger portion of the glove casing (10) and on each finger circuit (41a, 41b, 41c, 41d, 41e) One or more sensors (410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d, 411d; 410e, 411e) are respectively provided;

a conductive circuit (42) configured to couple the at least one finger circuit (41a, 41b, 41c, 41d, 41e) and the button (20) to the control box (30);

Wherein the outer layer of the glove half having the double layer structure has a first opening (11), a second opening (12) and a button opening (14), the first opening (11) being configured to make the conductive circuit ( At least a portion of 42) can be coupled therebetween to the control box (30), and the second opening (12) is configured to enable the circuit assembly (40) and the button (20) to pass therethrough Inserted into the interlayer, the button opening (14) is located at the tiger's mouth of the glove cover (10) and is configured such that at least a portion of the button (20) can be exposed through the button opening (14) .
The smart glove according to claim 1, wherein each of the finger circuits (41a, 41b, 41c, 41d, 41e) is arranged such that when the smart glove (1) is worn by a user, the one or more Sensors (410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d, 411d; 410e, 411e) are respectively located near the middle of each phalanx of the finger, and the one or more sensors (410a, 411a, 412a; 410b, 411b; 410c, 411c; 410d, 411d; 410e, 411e) configured to sense displacement, acceleration, direction of each phalanx of the finger and transmit the sensed data to the control box via the conduction circuit (42) ( 30).
The smart glove of claim 1 wherein the second opening (12) is configured to be near the root of the index finger to the little finger and laterally across the back of the glove of the entire glove casing (10).
The smart glove according to claim 1, wherein said finger circuit (41a, 41b, 41c, 41d, 41e) and at least a portion of the conductive circuit (42) are comprised of a flexible circuit board and are wrapped by a package (51).
The smart glove according to claim 4, wherein the package body (51) includes at least a portion of the finger circuit (41a, 41b, 41c, 41d, 41e) and the conductive circuit (42) Shape-matched first films (51a1, 51f1) and second films (51a2, 51f2), said first film (51a1, 51f1) and said second film (51a2, 51f2) respectively covering said sides from both sides The finger circuits (41a, 41b, 41c, 41d, 41e) and at least a portion of the conductive circuit (42) are connected together at the edges for packaging.
A method of manufacturing the smart glove according to any one of claims 1 to 5, characterized in that it comprises the following steps:

Preparing the glove cover (10), the button (20), the control box (30), and the circuit assembly (40); passing the button (20) and the circuit assembly (40) Inserting a second opening (12) into the interlayer;

Positioning the button (20) at the tiger's mouth of the glove cover (10) and exposing at least a portion of the button (20) from the button opening (14);

Positioning the at least one finger circuit (41a, 41b, 41c, 41d, 41e) at a corresponding finger portion of the glove cover (10);

Passing at least a portion of the conductive circuit (42) through the second opening (12) and to the control box (30);

Closing the first opening (11), the second opening (12), and the button opening (14);

The control box (30) is secured to the glove cover (10).
The method according to claim 6, wherein the step of preparing the glove cover (10) comprises: manufacturing two glove halves of a hand shape, wherein at least one glove half has a double layer structure;

Sewing the area of the two glove halves except the glove opening (13) along the outer contour of the two glove halves to form a stitched glove casing (10);

Ejecting the stitched glove cover (10) through the glove opening (13);

The first opening (11), the second opening (12) and the button opening (14) are opened on the outer side of the glove half having a two-layer structure.
The method of claim 6 wherein the step of inserting said circuit component (40) through said first opening (11) on said body further comprises: said circuit component (40) and The button (20) is fixed to the glove cover (10) and then closes the first opening (11).
The method of claim 6 wherein the step of preparing the circuit component (40) comprises: providing a first film (51a1, 51f1) that matches a shape of at least a portion of the circuit component (40) And a second film (51a2, 51f2);

Covering at least a portion of the circuit component (40) from both sides with the first film (51a1, 51f1) and the second film (51a2, 51f2);

The first film (51a1, 51f1) and the second film (51a2, 51f2) are joined together at the edges by a high-frequency hot melt process.
The method of claim 9 wherein the step of preparing the circuit component (40) further comprises:

A guide member (510a) composed of the first film (51a1, 51f1) and the second film (51a2, 51f2) is formed at an end of the at least one finger circuit (41a, 41b, 41c, 41d, 41e) 510b) to facilitate insertion and positioning of the circuit assembly (40).