JP2006121149A - Wireless communication module - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a downsized wireless communication module for suppressed in disturbance to an antenna and having excellent transmission/reception performance. <P>SOLUTION: Since a light emitting member 8 in the wireless communication module arranged in the vicinity of the outside of the antenna 5 is connected to one side of a circuit board 1 on which a conductor elimination part 5c provided in the middle of the antenna 5 is located or connected to a power supply conductor 6a and a ground conductor 6b arranged to the other side of the circuit board 1 opposed to the conductor elimination part 5c, lengths of the power supply conductor 6a and the ground conductor 6b can be decreased and the power supply conductor 6a and the ground conductor 6b that do not affect the radiation characteristic of the antenna 5 so much, resulting in that the wireless communication module with the excellent transmission/reception performance can be obtained. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a wireless communication module suitable for use in a short-range wireless device.

  FIG. 7 is a perspective view of a conventional wireless communication module, and FIG. 8 is a plan view showing a state in which LEDs are arranged according to the conventional wireless communication module.

  Next, the configuration of the conventional wireless communication module will be described with reference to FIG. 7. Various electronic components 52 are mounted on the circuit board 51 to form a desired electric circuit and connected to the electric circuit. An antenna 53 is provided, and a connector 54 connected to an electric circuit is coupled to one end of the circuit board 51.

  As shown in FIG. 7, the conventional wireless communication module having such a configuration can be inserted into and removed from each electric device 55 such as a personal computer or a printer, and the wireless communication module is attached to the electric device 55. When this is done, the electrical circuit formed on the circuit board 51 is connected to the electrical device 55 by the connector 54, and transmission / reception is performed between the electrical devices 55 via the antenna 53. (For example, see Patent Document 1)

  In the conventional wireless communication module with LED, as shown in FIG. 8, the antenna 53 provided on the circuit board 51 is connected to the electric circuit by the wiring pattern 56, and the LED 57 is separated from the antenna 53. The LED 57 is disposed at a position in front of the circuit board 51, and the LED 57 has one end connected to the power supply conductor 58 and the other end connected to the ground conductor 59. Thus, the outer periphery of the antenna 53 and the wiring pattern 56 is surrounded.

  As shown in FIG. 8, the conventional wireless communication module with LED having such a configuration has an electrical circuit formed on the circuit board 51 by the connector 54 when the wireless communication module is mounted on the electrical device 55. Is connected to the electric device 55, and transmission / reception is performed between the electric devices 55 via the antenna 53. At the time of transmission / reception, the LED 57 emits light so that it can be determined that the electric device 55 is in a transmission / reception state. .

  However, in the conventional wireless communication module with LED, since the power supply conductor 58 and the ground conductor 59 connected to the LED 57 surround the outer periphery of the antenna 53 and the wiring pattern 56, The ground conductor 59 becomes long, and the power supply conductor 58 and the ground conductor 59 greatly affect the radiation characteristics of the antenna 53, so that the transmission / reception performance is deteriorated.

  Further, since the LED 57 is disposed in the front portion of the circuit board 51 at a position away from the antenna 53, the circuit board 51 becomes large, which is expensive and large.

JP 2001-285119 A

  In the conventional wireless communication module with LED, since the power supply conductor 58 and the ground conductor 59 connected to the LED 57 surround the outer periphery of the antenna 53 and the wiring pattern 56, the power supply conductor 58 and the ground conductor are provided. 59 becomes longer, and the power supply conductor 58 and the ground conductor 59 have a great influence on the radiation characteristics of the antenna 53, and the transmission / reception performance deteriorates.

  Moreover, since LED57 is arrange | positioned in the front part of the circuit board 51 in the position away from the antenna 53, the circuit board 51 becomes large, and there exists a problem that cost becomes large and becomes large.

  Accordingly, an object of the present invention is to provide a wireless communication module that is small in size, has little interference with an antenna, and has good transmission / reception performance.

  As a first means for solving the above problems, a circuit board having a wiring pattern, in which an electronic component is connected to the wiring pattern to form a desired electric circuit, and connected to the electric circuit, the circuit A flat band-shaped antenna for transmission / reception disposed on a substrate; and a light emitting member attached to the circuit substrate in a state of being connected to the electric circuit, wherein the antenna has a conductor at a central portion in the extending direction. A power supply connected to the light emitting member is formed on the surface of the circuit board where the conductor removing portion is located or on the other surface of the circuit board facing the conductor removing portion. A conductor and a ground conductor are disposed, and the light emitting member is disposed on the one surface side or the other surface side of the circuit board and disposed near the outside of the antenna. It is connected to the conductor and the ground conductor, wherein the light emitting member has a fire when transmitting and receiving, or was set to blink configuration.

  Further, as a second solution, a circuit board having a wiring pattern, electronic components connected to the wiring pattern to form a desired electric circuit, and the electric circuit connected to the electric circuit and disposed on the circuit board A flat band-like antenna for transmission and reception; and a light emitting member attached to the circuit board in a state of being connected to the electric circuit, wherein the antenna is provided with a conductor removing portion at a central portion in the extending direction. The light emitting member is disposed at a position corresponding to the conductor removing portion on one surface side of the circuit board or a position facing the conductor removing portion on the other surface side of the circuit board. The light emitting member connected to the power supply conductor and the ground conductor is configured to emit light or blink when transmitting and receiving.

  As a third solving means, the power connected to the light emitting member is provided on the one surface of the circuit board on which the conductor removing portion is located or on the other surface of the circuit board facing the conductor removing portion. The supply conductor and the ground conductor are arranged.

As a fourth solution, the antenna, the power supply conductor, and the ground conductor are formed by a conductive pattern provided on the circuit board.
Further, as a fifth solving means, the antenna, the power supply conductor, and the ground conductor are provided on the one surface side that is the same surface of the circuit board.

As a sixth solving means, the ground conductor is connected to the antenna and grounded via the antenna.
Further, as a seventh solving means, the antenna has a power feeding portion connected to the electric circuit, and the ground conductor is positioned in the vicinity of the conductor removing portion that is farthest from the power feeding portion. It was set as the structure connected to the said antenna.

As an eighth solution, the light emitting member is formed of LEDs.
As a ninth solution, the circuit board has a quadrangular shape, and the antenna is arranged along the vicinity of the front side of the circuit board.

  As a tenth solution, the antenna is L-shaped, and is connected to the first belt-shaped portion disposed along the vicinity of the front side of the circuit board, and the first belt-shaped portion, It has the 2nd strip | belt-shaped part formed along the side which makes a right angle with a front side, and it was set as the structure by which the said conductor removal part was formed ranging over the said 1st, 2nd strip | belt-shaped part.

  As an eleventh solution, the connector includes a cover made of a translucent insulating material that covers the circuit board, the electronic component, and the light emitting member, and a connector coupled to the circuit board. The electrical circuit formed on the circuit board is connected to the electrical device by the connector, and at least the light emitting member is mounted when the connector is attached to the electrical device. Projecting out of the case of the electric device, and the light emission or flashing of the light emitting member was made visible through the cover.

The wireless communication module of the present invention has a wiring pattern, a circuit board in which an electronic component is connected to the wiring pattern to form a desired electric circuit, and a transmission / reception unit connected to the electric circuit and disposed on the circuit board. A flat band-like antenna and a light emitting member attached to a circuit board in a state of being connected to an electric circuit, the antenna is formed in a shape in which a conductor removing portion is provided at the center in the extending direction, A power supply conductor and a ground conductor connected to the light emitting member are disposed on one surface of the circuit board where the conductor removing portion is located or on the other surface of the circuit board facing the conductor removing portion. In the state of being arranged on the side or the other side and being arranged near the outside of the antenna, it is connected to the power supply conductor and the ground conductor so that the light emitting member emits light or blinks at the time of transmission / reception. And it has a structure.
That is, the light emitting member disposed near the outside of the antenna is connected to the power supply conductor and the ground conductor disposed on one surface of the circuit board on which the conductor removing portion is located or on the other surface of the circuit board facing the conductor removing portion. Therefore, the lengths of the power supply conductor and the ground conductor can be shortened, the influence of the power supply conductor and the ground conductor on the radiation characteristics of the antenna is small, and a good transmission / reception performance can be obtained.

  Also, a circuit board having a wiring pattern and electronic components connected to the wiring pattern to form a desired electric circuit, and a flat and band antenna for transmission / reception connected to the electric circuit and disposed on the circuit board And a light emitting member attached to the circuit board in a state of being connected to an electric circuit, the antenna is formed in a shape in which a conductor removing portion is provided at the center in the extending direction, and the light emitting member is a circuit board. The light emitting member that is disposed at a position corresponding to the conductor removal portion on one surface side or a position facing the conductor removal portion on the other surface side of the circuit board and connected to the power supply conductor and the ground conductor is Since light emission or flashing is performed, the light emitting member can be placed at the position of the antenna conductor removal portion or at the position opposite to the conductor removal portion, which has a good space factor, can be downsized, and can be rotated. Substrate can also be small, inexpensive can be obtained.

  In addition, since the power supply conductor and the ground conductor connected to the light emitting member are arranged on one surface of the circuit board where the conductor removal portion is located or on the other surface of the circuit board facing the conductor removal portion, the power supply conductor and the ground The length of the conductor can be shortened, and the power supply conductor and the ground conductor have little influence on the radiation characteristics of the antenna, so that the transmission / reception performance can be improved.

  In addition, since the antenna, the power supply conductor, and the ground conductor are formed by the conductive pattern provided on the circuit board, the antenna, the power supply conductor, and the ground conductor can be easily formed, and the productivity is high and the cost is low. Things are obtained.

  In addition, since the antenna, the power supply conductor, and the ground conductor are provided on the same side of the circuit board, the antenna, the power supply conductor, and the ground conductor can be easily formed, resulting in good productivity and low cost. Things are obtained.

  In addition, since the ground conductor is connected to the antenna and grounded via the antenna, the ground conductor can be easily and easily connected.

  Also, the antenna has a power feeding part connected to the electric circuit, and the ground conductor is connected to the antenna at a position in the vicinity of the conductor removal part located farthest from the power feeding part, so that the antenna performance is good. Can be obtained.

  In addition, since the light emitting member is formed of an LED, a product having a long life can be obtained.

  In addition, since the circuit board has a quadrangular shape and the antenna is arranged along the vicinity of the front side of the circuit board, the arrangement of the antenna can be made compact and a small-sized one can be obtained.

  The antenna has an L-shape and is arranged along a first belt-like portion arranged along the vicinity of the front side of the circuit board and a side that is connected to the first belt-like portion and forms a right angle with the front side. Since the second strip-shaped portion is formed and the conductor removing portion is formed across the first and second strip-shaped portions, the antenna can be lengthened and the light emitting member can be positioned at the front portion. In addition, it is possible to obtain a light-emitting member that can be visually checked for light emission or blinking.

  Also, the circuit board, the electronic component, and the light emitting member are covered with a cover made of a translucent insulating material and a connector coupled to the circuit board. The connector can be inserted into and removed from the electrical equipment. The electric circuit formed on the circuit board is connected to the electric device, and when the connector is attached to the electric device, at least the light emitting member protrudes from the case of the electric device, and the light emission or flashing of the light emitting member is covered. Since it can be seen through, the cover can prevent the entry of dust etc. into the electric circuit, there is no failure, a product with a long life can be obtained, and it can be easily inserted and removed from the electric device, the light emission of the light emitting member, Alternatively, a certain visual confirmation of blinking can be obtained.

  FIG. 1 is a plan view according to a first embodiment of the wireless communication module of the present invention, and FIG. 2 relates to the first embodiment of the wireless communication module of the present invention. FIG. 3 is a cross-sectional view of a main part according to the first embodiment of the wireless communication module of the present invention, and FIG. 4 relates to the first embodiment of the wireless communication module of the present invention. FIG. 5 is a cross-sectional view of a main part according to the second embodiment of the wireless communication module of the present invention, and FIG. 6 relates to the third embodiment of the wireless communication module of the present invention, with the cover removed. It is a top view which shows the state.

  Next, the configuration according to the first embodiment of the wireless communication module of the present invention will be described with reference to FIGS. 1 to 4. On both sides of the rectangular circuit board 1, wiring patterns 2 made of conductive patterns are provided. The wiring pattern 2 includes a control IC 3 on which a transmission / reception circuit and the like are formed and other electronic components 4 to form a desired electric circuit.

  The flat antenna L having an L shape is formed of a conductive pattern in the same manner as the wiring pattern 2, and the first band-shaped portion 5 a disposed along the vicinity of the front side 1 a of the circuit board 1, The first belt-like portion 5a is connected to the first belt-like portion 5a. The second belt-like portion 5b is formed along the side 1b perpendicular to the front side 1a. A conductor removing portion 5c formed of a strip-shaped groove portion, a matching conductor portion 5d arranged in parallel to the second strip-shaped portion 5b in a state connected to the first strip-shaped portion 5a, and a power supply connected to an electric circuit Part 5e.

The antenna 5 is formed in a shape in which a conductor removing portion 5c is provided in the center portion, and a power feeding portion 5e located in the second belt-like portion 5a is connected to an electric circuit by the wiring pattern 2, and a matching conductor The end of 5d is in a grounded state.
In this embodiment, the antenna 5 is described as being formed of a conductive pattern. However, a stamped metal plate may be used.

The power supply conductor 6a and the ground conductor 6b are formed in a conductive pattern similarly to the antenna 5, and are formed at the conductor deleted portion 5c on the circuit board 1, and one end side of the power supply conductor 6a is connected to the power supply portion. On the 5e side, it is connected to the electric circuit by a connection conductor 7 arranged on the other surface side of the circuit board 1, and one end side of the ground conductor 6b is connected to the first strip 5a and through the matching conductor 5d. Is grounded.
Further, the ground conductor 6b is in a state of being connected to the first belt-like portion 5a at a position in the vicinity of the conductor removing portion 5c located farthest from the power feeding portion 5e.

The light emitting member 8 made of an LED or the like is connected to the other end portions of the power supply conductor 6a and the ground conductor 6b in a state where the light emitting member 8 is located in the conductor removing portion 5c. It is designed to blink.
In addition, the light emitting member 8 may be disposed so as to correspond to (oppose to) the conductor removing portion 5c in a state where a part of both side portions straddles the first belt-like portion 5a.

  In addition, the power supply conductor 6a and the ground conductor 6b in the above-described embodiment are places facing the conductor removal portion 5c on the back surface side of the circuit board 1, that is, the surface opposite to the surface (upper surface) on which the antenna 5 is formed. In addition, the light emitting member 8 may be wired with an insulation covering wire or the like instead of the power supply conductor 6a and the ground conductor 6b made of a conductive pattern.

  A connector 9 composed of a USB connector or the like is coupled to one end side of the circuit board 1 in a state of being connected to an electric circuit of the circuit board 1, and the connector 9 can be inserted into and removed from an electric device 11 described later. Yes.

  A box-shaped cover 10 made of an insulating material is formed of a translucent material, and the cover 10 is attached in a state of covering the entire circuit board 1, the control IC 3, the electronic component 4, and the light emitting member 8. Thus, the wireless communication module of the present invention is formed.

  As shown in FIG. 1, the wireless communication module of the present invention can be inserted into and removed from each of the electronic devices 11 such as a personal computer and a printer, and when the wireless communication module is attached to the electrical device 11, The connector 9 connects the electrical circuit formed on the circuit board 1 to the electrical device 11, and at least the portion of the light emitting member 8 protrudes outside the case 12 of the electrical device 11.

  And when transmission / reception is performed between the electric devices 11, at the time of transmission / reception, light emission or blinking of the light emitting member 8 can be visually observed through the cover 10, and it can be determined that the electric device 11 is in a transmission / reception state. .

  FIG. 5 shows a second embodiment of the wireless communication module according to the present invention. The second embodiment will be described. The light emitting member 8 is mounted on the back side of the circuit board 1 in a state of facing the conductor removing portion 5c. In addition, the circuit board 1 is provided with a hole 1c at the position of the conductor removal portion 5c, and the light emission or blinking of the light emitting member 8 at the time of transmission / reception can be visually observed through the hole 1c.

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

  In the second embodiment, the hole 1c may be eliminated so that the light emission or flashing of the light emitting member 8 can be seen from the back side. The power supply conductor 6a and the ground conductor 6b are provided on the circuit board 1. , That is, the surface opposite to the surface (upper surface) on which the antenna 5 is formed, may be formed at a position facing the conductor removal portion 5c, and further, the power supply conductor 6a made of a conductive pattern and the ground Instead of the conductor 6b, the light emitting member 8 may be wired with an insulation coated wire or the like.

  FIG. 6 shows a third embodiment of the wireless communication module according to the present invention. The third embodiment will be described. The light emitting member 8 is disposed in the vicinity of the outside of the first strip 5a of the antenna 5, The light emitting member 8 is connected to the power supply conductor 6a and the ground conductor 6b located in the conductor removal initial 5c.

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

  The light emitting member 8 of the third embodiment may be disposed on the back side of the circuit board 1, that is, the surface opposite to the surface (upper surface) on which the antenna 5 is formed, and the power supply conductor 6a. The ground conductor 6b may be formed on the back side of the circuit board 1, that is, on the surface opposite to the surface (upper surface) on which the antenna 5 is formed, at a location facing the conductor removal portion 5c. Instead of the power supply conductor 6a and the ground conductor 6b made of a pattern, an insulation coated wire or the like may be used.

The top view which concerns on 1st Example of the radio | wireless communication module of this invention. The top view which concerns on 1st Example of the radio | wireless communication module of this invention, and shows the state which removed the cover. The principal part sectional view concerning the 1st example of the wireless communication module of the present invention. The top view which concerns on 1st Example of the radio | wireless communication module of this invention, and shows the state before a light emitting member is attached. Sectional drawing of the principal part which concerns on 2nd Example of the radio | wireless communication module of this invention. The top view which shows the state which concerns on 3rd Example of the wireless communication module of this invention, and removed the cover. The perspective view of the conventional radio | wireless communication module. The top view of the state which concerns on the conventional wireless communication module and has arrange | positioned LED.

Explanation of symbols

1: Circuit board 1a: Front side 1b: Side 1c: Hole 2: Wiring pattern 3: Control IC
4: Electronic component 5: Antenna 5a: First strip 5b: Second strip 5c: Conductor deletion 5d: Matching conductor 5e: Feeder 6a: Power supply conductor 6b: Ground conductor 7: Connection conductor 8: Light emission Member 9: Connector 10: Cover 11: Electrical equipment 12: Case

Claims (11)

A circuit board having a wiring pattern and an electronic component connected to the wiring pattern to form a desired electric circuit, and a flat-plate and band-shaped antenna for transmission / reception connected to the electric circuit and disposed on the circuit board And a light emitting member attached to the circuit board in a state of being connected to the electric circuit, and the antenna is formed in a shape in which a conductor removing portion is provided at a central portion in the extending direction, and the conductor removing A power supply conductor and a ground conductor connected to the light emitting member are disposed on one surface of the circuit board where the portion is located or on the other surface of the circuit board facing the conductor removing portion, and the light emitting member The light emitting unit is disposed on the one surface side or the other surface side of the circuit board and connected to the power supply conductor and the ground conductor in a state of being disposed near the outside of the antenna. Wireless communication module, characterized in that as the fire when receiving, or flashes. A circuit board having a wiring pattern and an electronic component connected to the wiring pattern to form a desired electric circuit, and a flat-plate and band-shaped antenna for transmission / reception connected to the electric circuit and disposed on the circuit board And a light emitting member attached to the circuit board in a state of being connected to the electric circuit, and the antenna is formed in a shape in which a conductor removing portion is provided at a central portion in the extending direction, and the light emitting member Is disposed at a position corresponding to the conductor removal portion on one surface side of the circuit board or at a position facing the conductor removal portion on the other surface side of the circuit board, and is connected to the power supply conductor and the ground conductor. The wireless communication module, wherein the light emitting member is configured to emit light or blink at the time of transmission / reception. The power supply conductor and the ground conductor connected to the light emitting member are arranged on the one surface of the circuit board where the conductor removing portion is located, or on the other surface of the circuit board facing the conductor removing portion. The wireless communication module according to claim 2. 4. The wireless communication according to claim 1, wherein the antenna, the power supply conductor, and the ground conductor are formed by a conductive pattern provided on the circuit board. module. The wireless communication module according to claim 4, wherein the antenna, the power supply conductor, and the ground conductor are provided on the one surface side that is the same surface of the circuit board. The wireless communication module according to claim 1, wherein the ground conductor is connected to the antenna and is grounded via the antenna. The antenna has a power feeding part connected to the electric circuit, and the ground conductor is connected to the antenna at a position in the vicinity of the conductor removing part located farthest from the power feeding part. The wireless communication module according to claim 6. The wireless communication module according to claim 1, wherein the light emitting member is formed of an LED. 9. The wireless communication module according to claim 1, wherein the circuit board has a quadrangular shape, and the antenna is disposed along a vicinity of a front side of the circuit board. The antenna is L-shaped, and is connected to the first belt-shaped portion disposed along the vicinity of the front side of the circuit board, and the side that forms a right angle with the front side. 10. The wireless communication module according to claim 9, further comprising: a second belt-shaped portion formed along the conductor strip, wherein the conductor removing portion is formed across the first and second belt-shaped portions. A cover made of a translucent insulating material covering the circuit board, the electronic component, and the light emitting member, and a connector coupled to the circuit board, the connector being detachable from an electric device. The electrical circuit formed on the circuit board is connected to the electrical device by the connector, and at least the light emitting member protrudes outside the case of the electrical device when the connector is attached to the electrical device. The wireless communication module according to claim 1, wherein light emission or blinking of the light emitting member is visible through the cover.

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