JP2005158811A - Wireless lan unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a small wireless LAN unit in which a circuit board can be shared and which has sufficient productivity. <P>SOLUTION: In the wireless LAN unit, outer terminals 2a of a first terminal group 2 and inner terminals 3a of a second terminal group 3 are arranged in one side of one surface side 1a or the other side 1c of the circuit board 1. Belt-like terminals 2b of the terminal group 2 are disposed on the other side of one surface side 1a or the other face side 1c of the circuit board 1. Thus, the whole terminals in the first and second terminal groups 2 and 3 are dispersed into two in a widthwise direction, and they can be miniaturized in the widthwise direction. The outer terminals 2a of the first terminal group 2 and the inner terminals 3a of the second terminal group 3 installed on the circuit board 1 can be connected to a flexible substrate 10 or they can be surface-mounted on a mother substrate 9. Thus, a small electronic device is obtained in a height direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a wireless LAN unit suitable for use in an electronic device such as a personal computer.

  FIG. 16 relates to a conventional wireless LAN unit and is a plan view showing a state of being incorporated in an electronic device. FIG. 17 is related to a conventional wireless LAN unit and is incorporated in an electronic device. FIG. 18 is a cross-sectional view of an essential part showing a state of being incorporated in an electronic apparatus according to a conventional wireless LAN unit.

  The configuration of the conventional wireless LAN unit will be described with reference to FIGS. 16 and 17. On one side (front side) 51a of the square circuit board 51, a wiring pattern (not shown) made of a conductive pattern and one side 51b are provided. And a plurality of terminal portions 52 made of conductive patterns arranged in parallel with each other, and a lead conductor 53 made of a conductive pattern for connecting each of the terminal portions 52 and the wiring pattern.

  On one surface 51a of the circuit board 51, various electronic components 54 for forming a desired electric circuit section are mounted, and a conventional wireless LAN unit 55 having a card shape is formed.

  Further, as shown in FIGS. 16 and 17, an electronic device for incorporating a conventional wireless LAN unit 55 having such a configuration has an insulating base 57 on a mother substrate 56 and a line in the insulating base 57. A connector 59 including a plurality of contact pieces 58 attached in a state is attached, and the contact pieces 58 of the connector 59 are connected to a wiring pattern (not shown) provided on the mother board 56. Yes.

  Then, the wireless LAN unit 55 is inserted into the connector 59 of the electronic device having such a configuration, and the terminal portion 52 provided on the one surface side 51 a of the circuit board 51 is connected to the contact piece 58. ing. (For example, see Patent Document 1)

  However, in such a conventional wireless LAN unit 55, since the terminal portions 52 are arranged in a line only on the one surface 51a of the circuit board 51, the number of the terminal portions 52 is as large as 128 (128 pins). In addition, it was large in the width direction.

  In order to solve this problem, in the conventional wireless LAN unit 55, as shown in FIG. 18, the terminal portion 52 is divided into two on one side 51a and the other side 51c of the circuit board 51, and the mother board 56 The connector 59 attached to 2 has two contact pieces 58a and 58b which are divided into upper and lower parts, and the other configurations are the same as the above (former) conventional ones. Then, the explanation is omitted.

  Then, the wireless LAN unit 55 is inserted into the connector 59 of the electronic apparatus having such a configuration, and the terminal portion 52 provided on the one surface side 51a of the circuit board 51 is connected to the contact piece 58a. A terminal portion 52 provided on the other surface side 51c of the substrate 51 is connected to the contact piece 58b.

  With this configuration, the conventional wireless LAN unit 55 can be reduced in the width direction, but both the former and the latter wireless LAN units 55 are configured to be connected to the connector 59. As a result, the electronic equipment becomes large in the height direction.

JP 2002-149279 A

  In the conventional wireless LAN unit, the former is large in the width direction because the terminal portions 52 are arranged in a row only on the one surface side 51a, and the latter has the terminal portions 52a and 52b. Since it is distributed in two on the one surface side 51a and the other surface side 51c, the size is reduced in the width direction, but both the former and the latter are configured to be connected to the connector 59. Therefore, there is a problem that the electronic device becomes large in the height direction.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a wireless LAN unit that is small in size, can share a circuit board, and has good productivity.

  As a first means for solving the above problems, a circuit board on which an electronic component is mounted and a desired electric circuit part is formed, and connected to the electric circuit part, along one side of the circuit board. First and second terminal groups, and the first terminal group is arranged near one side of the circuit board and arranged on one side of the circuit board or one side of the other side. A plurality of outer terminal portions, and a plurality of strip-like terminal portions that are arranged in parallel on one side of the circuit board or the other side of the circuit board and connected to each of the outer terminal portions via connection conductors. The second terminal group includes a plurality of inner terminals arranged in parallel on the surface side of the circuit board on which the outer terminal part is formed at a position farther from one side of the circuit board than the outer terminal part. Each of the strip-like terminal portions is connected to the inner terminal portion up to the position of the inner terminal portion. It has a configuration which is formed to extend from the body.

As a second solving means, the electronic component is mounted on the one surface side of the circuit board, and a cover for covering the electronic component is provided.
Further, as a third solving means, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on the one surface side of the circuit board, and the first terminal The band-shaped terminal portion of the group is provided on the other surface side of the circuit board, and is connected to the electric circuit portion by a first lead conductor provided on the other surface side of the circuit board. The inner terminal portion is configured to be connected to the electric circuit portion by a second lead conductor provided on the one surface side of the circuit board.

  Further, as a fourth solving means, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on the other surface side of the circuit board, and the first terminal group The band-shaped terminal portion of the terminal group is provided on the one surface side of the circuit board, and is connected to the electric circuit portion by a first lead conductor provided on the one surface side of the circuit board. The terminal portion is configured to be connected to the electric circuit portion by a second lead conductor provided on the other surface side of the circuit board.

  Further, as a fifth solving means, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged in parallel in a two-row state, and the first terminal The band-shaped terminal portions of the group are arranged to face each other across the inner terminal portion and the circuit board.

  Further, as a sixth solving means, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are alternately arranged in two rows, and the first terminal group The band-shaped terminal portion of the terminal group is configured to be arranged in a non-opposing state with the inner terminal portion and the circuit board interposed therebetween.

  Further, as a seventh solving means, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged to be spaced from each other, and the circuit board includes the inner terminal portion. In order to connect to a connector that can be connected to each of the part and the belt-like terminal part, the outer terminal part and the inner terminal part can be cut off.

The wireless LAN unit of the present invention includes a circuit board on which electronic components are mounted and a desired electric circuit unit is formed, and first and first circuits that are connected to the electric circuit unit and arranged along one side of the circuit board. And a plurality of outer terminal portions arranged in parallel on one side of the circuit board or one side of the other side at a position close to one side of the circuit board, One side of the substrate or the other side of the other side is provided side by side and has a plurality of strip-like terminal portions connected to each of the outer terminal portions via connection conductors, and the second terminal group is an outer terminal portion. And a plurality of inner terminal portions arranged in parallel on the surface side of the circuit board on which the outer terminal portion is formed at a position farther from one side of the circuit board, and each of the strip-shaped terminal portions is located up to the position of the inner terminal portion The structure is formed extending from the connection conductor.
Thus, on one side of the circuit board, or one side of the other side, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are disposed, and the one surface side of the circuit board, Alternatively, by arranging the band-like terminal portion of the first terminal group on the other side of the other surface side, the first and second terminal groups are in a state where the entire number of terminal portions are dispersed in the width direction. Thus, it is possible to reduce the size in the width direction, and the flexible terminal can be connected to the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group disposed on the circuit board, or to the mother board. Thus, a small electronic device can be obtained in the height direction.
In addition, the first and second contact pieces of the connector can be connected to the inner terminal portion of the second terminal group and the band-shaped terminal portion of the first terminal group, respectively, so that the connection by the connector is possible. In addition, the circuit board can be connected by a flexible board and a connector, or can be surface-mounted to a mother board and connected by a connector, so that the circuit board can be shared and shared, and the circuit board has good productivity. Is obtained.

  In addition, since the electronic component is mounted on one surface side of the circuit board and a cover that covers the electronic component is provided, a reliable electrical shield for the electronic component can be obtained.

  Further, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on one surface side of the circuit board, and the band-shaped terminal portion of the first terminal group is formed on the other surface side of the circuit board. The first terminal conductor provided on the other surface side of the circuit board is connected to the electric circuit portion, and the inner terminal portion is electrically connected by the second lead conductor provided on the one surface side of the circuit board. Since it is connected to the circuit section, the arrangement of the wiring pattern on the circuit board is facilitated, the design and productivity are good, and a wiring board that can be wired with a flexible board is obtained.

  Further, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on the other surface side of the circuit board, and the band-shaped terminal portion of the first terminal group is formed on the one surface side of the circuit board. Provided and connected to the electric circuit portion by a first lead conductor provided on one surface side of the circuit board, and the inner terminal portion is electrically connected by a second lead conductor provided on the other surface side of the circuit board. Since it is connected to the circuit portion, the arrangement of the wiring pattern on the circuit board is facilitated, the design and productivity are good, and the one that can be surface-mounted on the mother board is obtained.

  In addition, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged in parallel in two rows, and the band-shaped terminal portion of the first terminal group includes the inner terminal portion and the circuit. Since the circuit board is placed facing each other across the board, the width direction of the circuit board is reduced, and when the connector is used, the connector can be placed with the first and second contact pieces facing each other vertically. Is easy to manufacture.

  In addition, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are alternately arranged in a two-row state, and the belt-like terminal portion of the first terminal group is the inner terminal portion. Because it is arranged in a non-opposing state across the circuit board, when using a flexible board, the lead line of the flexible board from the inner terminal part can be pulled out between the outer terminal parts in a straight state, and the drawer is reliable In the case where a connector is used, the first and second contact pieces of the connector are alternately arranged so that the mother with respect to the first and second contact pieces is obtained. The wiring pattern of the substrate can be easily made, and a product with good productivity can be obtained.

  In addition, the outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged with a space therebetween, and the circuit board can be connected to each of the inner terminal portion and the strip-like terminal portion. Therefore, it is possible to cut between the outer terminal portion and the inner terminal portion. Therefore, each of the inner terminal portion of the second terminal group and the strip-shaped terminal portion of the first terminal group has a first connector. , The second contact piece can be connected, so that connection by a connector is possible, and the circuit board is commonly used for connection by a flexible board and a connector, or by surface mounting to a mother board and connection by a connector. And a product with good productivity can be obtained.

  FIG. 1 is a plan view showing a first embodiment of the wireless LAN unit of the present invention, FIG. 2 is a front view showing the first embodiment of the wireless LAN unit of the present invention, and FIG. FIG. 3 is a bottom view showing the first embodiment of the wireless LAN unit of the present invention, and FIG. 4 relates to the first embodiment of the wireless LAN unit of the present invention. It is sectional drawing.

  5 is a plan view showing a second embodiment of the wireless LAN unit according to the present invention, FIG. 6 is a bottom view showing the second embodiment of the wireless LAN unit according to the present invention, and FIG. 7 shows the wireless LAN unit according to the present invention. It is a principal part sectional view which shows the state integrated by the connector in the electronic device.

  8 is a plan view showing a third embodiment of the wireless LAN unit of the present invention, FIG. 9 is a front view showing the third embodiment of the wireless LAN unit of the present invention, and FIG. 10 is a diagram of the wireless LAN unit of the present invention. FIG. 11 is a bottom view showing a third embodiment, and FIG. 11 is a cross-sectional view showing the main part of the wireless LAN unit according to the third embodiment of the present invention.

  12 is a plan view showing a fourth embodiment of the wireless LAN unit of the present invention, FIG. 13 is a front view showing the fourth embodiment of the wireless LAN unit of the present invention, and FIG. 14 is a diagram of the wireless LAN unit of the present invention. FIG. 15 is a bottom view showing a fourth embodiment, and FIG. 15 is a cross-sectional view showing the main part of the wireless LAN unit according to the fourth embodiment of the present invention.

  Next, the configuration of the first embodiment of the wireless LAN unit of the present invention will be described with reference to FIGS. 1 to 4. On one side (front side) 1 a of the square circuit board 1, a wiring pattern made of a conductive pattern is provided. (Not shown) and first and second terminal groups 2 and 3 each having a conductive pattern disposed along one side 1b.

  The first terminal group 2 includes a plurality of outer terminal portions 2a arranged in parallel on the one surface side 1a of the circuit board 1 at a position close to one side 1b of the circuit board 1, and the other surface side (back surface) of the circuit board 1. A plurality of strip-like terminal portions 2b connected to the outer terminal portions 2a via connection conductors (through holes) 4, respectively.

  Furthermore, the second terminal group 3 has a plurality of inner terminal portions 3a arranged in parallel on the one surface side 1a of the circuit board 1 at a position farther from one side 1b of the circuit board 1 than the outer terminal portion 2a. The inner terminal portion 3a is arranged with a predetermined interval between the inner terminal portion 3a and the inner terminal portion 3a and the outer terminal portion 2a are arranged in parallel with each other in two rows. .

  And each of the strip | belt-shaped terminal parts 2b of the 1st terminal group 2 is extended from the connection conductor 4 to the position (opposite position) of the inner side terminal part 3a in the other surface side 1c, and this strip | belt-shaped terminal Each of the portions 2b is connected to the wiring pattern by a first lead conductor 5 made of a conductive pattern provided on the other surface side 1c, and each of the inner terminal portions 3a is connected to a conductive pattern provided on the one surface side 1a. The second lead conductor 6 is connected to the wiring pattern.

  That is, the outer terminal portion 2a and the strip-shaped terminal portion 2b of the first terminal group 2 are disposed in a state of facing each other with the circuit board 1 interposed therebetween, and the second and second strip-shaped terminal portions 2b and 2b of the first terminal group 2 are disposed. The inner terminal portions 3a of the terminal group 3 are arranged so as to face each other with the circuit board 1 interposed therebetween.

  Various electronic components 7 for forming a desired electric circuit portion are mounted on one surface side 1a of the circuit board 1 and the box-shaped shielding cover 8 is covered with the electronic components 7 covered. Are attached to form a card type wireless LAN unit of the present invention.

  The total number of terminal portions is as large as 128 (128 pins), and the outer terminal portion 2a of the first terminal group 2 and the inner terminal portion 3a of the second terminal group 3 are distributed in the width direction by two. Therefore, it can be downsized in the width direction.

  Further, as shown in FIG. 4, an electronic device for incorporating the wireless LAN unit of the present invention having such a configuration includes a mother board 9 provided with a wiring pattern (not shown), and a lead line made of a conductive pattern. A flexible substrate 10 provided with (not shown) is provided.

  The wireless LAN unit of the present invention is assembled by first placing the other surface 1c of the circuit board 1 on the mother board 9, holding the circuit board 1 on the mother board 9 by appropriate means, and then the flexible board 10 The outer terminal portion 2a of the first terminal group 2, the inner terminal portion 3a of the second terminal group 3, and the upper portion of the mother substrate 9, and the lead lines of the flexible substrate 10 are respectively connected to the outer terminal portion 2a and the inner terminal. It is connected to the wiring pattern of the portion 3a and the mother substrate 9 by soldering, thermocompression bonding, or the like, and the incorporation is completed.

  At this time, the lead lines of the flexible board 10 connected to the outer terminal part 2a and the inner terminal part 3a are connected to the wiring patterns of the mother board 9, and the flexible board drawn from the inner terminal part 3a. Ten lead lines extend between the outer terminal portions 2a.

  Thus, when the wireless LAN unit of the present invention is incorporated using the flexible substrate 10, the height direction can be reduced, and the electronic device can be reduced in size in the height direction.

  FIGS. 5 and 6 show a second embodiment of the wireless LAN unit of the present invention. The second embodiment will be described below. The outer terminal portion 2a of the first terminal group 2 and the second terminal group 3 are shown in FIGS. The inner terminal portions 3a are alternately arranged in a two-row state, and the band-like terminal portions 2b of the first terminal group 2 are arranged in a non-opposing state with the inner terminal portion 3a and the circuit board 1 interposed therebetween. It has become.

Since other configurations are the same as those of the first embodiment, the same parts are denoted by the same reference numerals, and the description thereof is omitted here.
In the second embodiment, the flexible substrate 10 can be connected to the mother substrate 9 as in the first embodiment. When the flexible substrate 10 is used, the flexible substrate from the inner terminal portion 3a is used. Ten lead lines can be drawn out from between the outer terminal portions 2a in a straight state, and a lead can be reliably and easily obtained.

  FIG. 7 shows a state in which the wireless LAN unit of the present invention is incorporated into an electronic device by a connector. The electronic device for incorporating the wireless LAN unit of the present invention is installed on a mother board 9 as shown in FIG. Is attached with a connector 13 composed of an insulating base 11 and a plurality of first and second contact pieces 12a, 12b attached in two rows in a state of being vertically divided into the insulating base 11, Each of the first and second contact pieces 12 a and 12 b of the connector 13 is connected to a wiring pattern (not shown) provided on the mother board 9.

  And the wireless LAN unit of this invention is inserted in the connector 13 of the electronic device which has such a structure, and the 1st terminal provided in the other surface side 1c of the circuit board 1 as shown in FIG. A first contact piece 12a is connected to the strip-shaped terminal portion 2b of the group 2, and a second terminal group 3a provided on the one surface side 1a of the circuit board 1 has a second contact piece 12a. The contact piece 12b is connected.

  That is, the circuit board 1 of the wireless LAN unit of the present invention can be connected by the flexible board 10 and the connector 13 in the state as it is, so that the circuit board 1 can be shared and shared, and the productivity is improved. Can be obtained.

  When the wireless LAN unit of the first embodiment shown in FIGS. 1 to 3 is assembled by the connector 13, the first and second contact pieces 12 a and 12 b of the connector 13 are the first of the connector 13. Since the second contact pieces 12a and 12b can be arranged in a state of being opposed to each other in the vertical direction, a connector that is easy to manufacture can be obtained.

  Further, when the wireless LAN unit of the second embodiment shown in FIGS. 5 and 6 is assembled by the connector 13, the first and second contact pieces 12a and 12b of the connector 13 are arranged alternately. In this state, the wiring pattern of the mother board 9 with respect to the first and second contact pieces 12a, 12b can be easily made, and a product with good productivity can be obtained.

  FIGS. 8 to 11 show a third embodiment of the wireless LAN unit of the present invention. The third embodiment will be described. The outer terminal portion 2a of the first terminal group 2 and the second terminal group 3 are shown in FIGS. The inner terminal portion 3a is disposed on the other surface 1c side of the circuit board 1, and the band-shaped terminal portion 2b of the first terminal group 2 is disposed on the one surface 1a side of the circuit board 1. The terminal portion 2b is connected to the electric circuit portion by a first lead conductor 5 provided on the one surface 1a side of the circuit board 1, and the inner terminal portion 3a is provided on the other surface 1c side of the circuit substrate 1. The second lead conductor 6 is connected to the electric circuit unit.

  Since other configurations are the same as those of the first embodiment, the same parts are denoted by the same reference numerals, and the description thereof is omitted here.

  As shown in FIG. 11, the wireless LAN unit according to the third embodiment is assembled by placing the other surface 1c side of the circuit board 1 on the mother board 9 and the other surface 1c of the circuit board 1. The outer terminal portion 2 a and the inner terminal portion 3 a provided on the side are connected to the wiring pattern of the mother substrate 9, and the circuit substrate 1 is surface-mounted on the mother substrate 9 to be incorporated.

With such a configuration, the flexible substrate 10 is not required, and the size can be further reduced in the height direction, and an inexpensive product can be obtained.
Also in the third embodiment, it is possible to incorporate the connector 13 as shown in FIG.

  The connection conductor 4 in the first, second, and third embodiments has been described as being formed in a through hole provided in the circuit board 1, but this connection conductor 4 is one side of the circuit board 1. You may comprise by the side electrode provided in the end surface by the side of 1b.

  FIGS. 12 to 15 show a fourth embodiment of the wireless LAN unit of the present invention. The fourth embodiment will be described. The circuit board 1 is the same as the first embodiment shown in FIGS. The first terminal group 2 is cut between the outer terminal portion 2 a and the inner terminal portion 3 a of the second terminal group 3.

  As a result, the entire outer terminal portion 2a of the first terminal group 2 in the first embodiment, a part of the strip-shaped terminal portion 2b, and the connection conductor 4 are removed. Since it is the same as that of an Example, the same number is attached | subjected to the same component and the description is abbreviate | omitted here.

  FIG. 15 shows a state where the fourth embodiment of the wireless LAN unit of the present invention is incorporated in an electronic device by a connector, and the electronic device for incorporating the fourth embodiment of the wireless LAN unit of the present invention is shown in FIG. As shown in FIG. 15, on the mother substrate 9, an insulating base 11 and a plurality of first and second contact pieces 12 a and 12 b attached to the insulating base 11 in two rows in a vertically separated state. The first and second contact pieces 12 a and 12 b of the connector 13 are connected to a wiring pattern (not shown) provided on the mother board 9. Yes.

  And the wireless LAN unit of this invention is inserted in the connector 13 of the electronic device which has such a structure, and the 1st terminal provided in the other surface side 1c of the circuit board 1 as shown in FIG. A first contact piece 12a is connected to the strip-shaped terminal portion 2b of the group 2, and a second terminal group 3a provided on the one surface side 1a of the circuit board 1 has a second contact piece 12a. The contact piece 12b is connected.

  In other words, the circuit board 1 of the fourth embodiment of the wireless LAN unit of the present invention can be connected by the connector 13 when the circuit board 1 is cut. Therefore, the circuit board 1 can be shared and the productivity is good. Things are obtained.

  Further, in the fourth embodiment, in the second embodiment shown in FIGS. 5 and 6, the circuit board 1 includes an outer terminal portion 2 a of the first terminal group 2 and an inner terminal portion 3 a of the second terminal group 3. In this case, the first and second contact pieces 12a and 12b of the connector 13 are alternately arranged, and the first and second contact pieces 12a and 12b are in a state of being alternately arranged. The wiring pattern of the mother substrate 9 can be easily made and a product with good productivity can be obtained.

  Further, in the fourth embodiment, in the third embodiment shown in FIGS. 8 to 10, the circuit board 1 includes an outer terminal portion 2 a of the first terminal group 2 and an inner terminal portion 3 a of the second terminal group 3. Of course, it may be cut between.

The top view which shows 1st Example of the wireless LAN unit of this invention. The front view which shows 1st Example of the wireless LAN unit of this invention. The bottom view which shows 1st Example of the wireless LAN unit of this invention. The principal part sectional drawing which concerns on 1st Example of the wireless LAN unit of this invention, and shows the state integrated in the electronic device with the flexible substrate. The top view which shows 2nd Example of the wireless LAN unit of this invention. The bottom view which shows 2nd Example of the wireless LAN unit of this invention. The principal part sectional drawing which shows the state related to the wireless LAN unit of this invention, and was integrated in the electronic device with the connector. The top view which shows 3rd Example of the wireless LAN unit of this invention. The front view which shows 3rd Example of the wireless LAN unit of this invention. The bottom view which shows 3rd Example of the wireless LAN unit of this invention. The principal part sectional drawing which shows the state assembled in the mother board | substrate of an electronic device by surface mounting concerning 3rd Example of the wireless LAN unit of this invention. The top view which shows 4th Example of the wireless LAN unit of this invention. The front view which shows 4th Example of the wireless LAN unit of this invention. The bottom view which shows 4th Example of the wireless LAN unit of this invention. The principal part sectional drawing which concerns on 4th Example of the wireless LAN unit of this invention, and shows the state integrated in the electronic device with the connector. The top view which shows the state related to the conventional wireless LAN unit, and was integrated in the electronic device. The front view which shows the state related to the conventional wireless LAN unit, and was integrated in the electronic device. The principal part sectional view which shows the state related to the conventional wireless LAN unit, and was integrated in the electronic device.

Explanation of symbols

1: Circuit board 1a: One side 1b: One side 1c: Other side 2: First terminal group 2a: Outer terminal portion 2b: Band-shaped terminal portion 3: Second terminal group 3a: Inner terminal portion 4: Connection conductor 5 : 1st lead conductor 6: 2nd lead conductor 7: Electronic component 8: Cover 9: Mother board 10: Flexible board 11: Insulating substrate 12a: 1st contact piece 12b: 2nd contact piece 13: Connector

Claims (7)

A circuit board on which an electronic component is mounted and a desired electric circuit part is formed, and first and second terminal groups connected to the electric circuit part and disposed along one side of the circuit board. The first terminal group includes a plurality of outer terminal portions arranged in parallel on one side of the circuit board or one side of the circuit board at a position close to one side of the circuit board; and The second terminal group includes a plurality of strip-like terminal portions arranged in parallel on one side or the other side of the other side and connected to each of the outer terminal portions via connection conductors, and the second terminal group includes the outer terminal A plurality of inner terminal portions arranged side by side on the surface side of the circuit board on which the outer terminal portion is formed, at a position farther from one side of the circuit board than the portion, The wireless L is formed to extend from the connection conductor to the position of the inner terminal portion. N unit. The wireless LAN unit according to claim 1, wherein the electronic component is mounted on the one surface side of the circuit board and a cover that covers the electronic component is provided. The outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on the one surface side of the circuit board, and the band-shaped terminal portion of the first terminal group is The circuit board is provided on the other side of the circuit board, and is connected to the electric circuit unit by a first lead conductor provided on the other side of the circuit board. The wireless LAN unit according to claim 1, wherein the wireless LAN unit is connected to the electric circuit unit by a second lead conductor provided on the one surface side. The outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are formed on the other surface side of the circuit board, and the band-shaped terminal portion of the first terminal group is: The circuit board is provided on the one surface side and connected to the electric circuit portion by a first lead conductor provided on the one surface side of the circuit substrate, and the inner terminal portion is formed on the circuit board. The wireless LAN unit according to claim 1, wherein the wireless LAN unit is connected to the electric circuit unit by a second lead conductor provided on the other surface side. The outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged side by side in a two-row state, and the band-shaped terminal portion of the first terminal group is 5. The wireless LAN unit according to claim 1, wherein the wireless LAN unit is disposed so as to face an inner terminal portion across the circuit board. The outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are alternately arranged in a two-row state, and the band-shaped terminal portion of the first terminal group is: The wireless LAN unit according to claim 1, wherein the wireless LAN unit is disposed in a non-opposing state with the inner terminal portion and the circuit board interposed therebetween. The outer terminal portion of the first terminal group and the inner terminal portion of the second terminal group are arranged with a space between each other, and the circuit board is disposed on each of the inner terminal portion and the strip-shaped terminal portion. 7. The wireless LAN unit according to claim 1, wherein the wireless LAN unit can be disconnected between the outer terminal portion and the inner terminal portion for connection to a connectable connector.

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