JP2010056658A - Antenna device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide antenna device which is easily attached on a ceiling, wall surface and the like, allows construction members to be considerably reduced to achieve improved constructability and reduced construction costs. <P>SOLUTION: An input plug 33 of the antenna device 31A has an external conductor 35 formed so as to have a length much longer than the thickness of a ceiling 40. When the antenna device 31A is attached on the ceiling 40, a plug attachment hole 41 is provided for a plug installation position of the ceiling 40, the input plug 33 is inserted from below in the plug attachment hole 41, and a nut 37 is fitted and fixed to a screw part 36 of the input plug 33 projected upward from the plug attachment hole 41 through a washer 42. Also, in a case 32 of the antenna device 31A, a power source separator 51, an amplifier 52, a filter 53 and a transmission antenna 54 are provided and power superimposed on a transmission signal is separated by the power separator 51 to supply the amplifier 52 with it. The transmission signal input to the plug 33 is amplified by the amplifier 52, output to the transmission antenna 54 via the filter 53, and transmitted outside. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an antenna device that is used by being attached to a ceiling or a wall surface of a building or an underground mall, for example, in the field of wireless communication or television broadcasting.

  In wireless communication or terrestrial digital broadcast relay devices, an antenna having an input / output plug is attached to a ceiling or a wall surface of a building or an underground mall (see, for example, Patent Document 1).

  When the antenna having the input / output plug is attached to a ceiling or a wall surface, it is conventionally attached as shown in FIGS.

  In the example shown in FIG. 13, a plurality of mounting bolts 14 are mounted in advance on the upper surface of the case of the antenna 11, that is, the same mounting surface as the input / output plug 12, and the plug through holes 15 and the bolt mounting holes provided in the ceiling 13. The input / output plug 12 and the mounting bolt 14 are respectively inserted into 16, and a nut 18 is screwed and fixed to the tip of the mounting bolt 14 protruding to the back side of the ceiling 13 via a washer 17.

  In the example shown in FIG. 14, a mounting plate 20 larger than the case is attached in advance to the upper surface of the case of the antenna 11, that is, the same mounting surface as the input / output plug 12, and screws provided on the ceiling 13 outside the case. A mounting bolt 23 is fastened and fixed to the hole 21 through the mounting plate 20 and the washer 22.

  In the conventional method with an antenna shown in FIGS. 13 and 14, a bolt mounting hole 16 for mounting the mounting bolt 14 or a mounting bolt in addition to the plug through hole 15 for passing the input / output plug 12 through the ceiling 13. It is necessary to provide a screw hole 21 for attaching 23. Further, when mounting the mounting bolts 14 and 23, the mounting positions must be measured and the bolt mounting holes 16 and the screw holes 21 must be formed in the corresponding positions of the ceiling 13, which takes time for installation work and increases the cost. There was a problem of becoming. Furthermore, since it is necessary to open many holes in the ceiling 13, there is a problem that it is difficult to obtain installation permission from the manager or owner of the installation location.

Although FIG. 13 and FIG. 14 show the case where the antenna 11 is attached to the ceiling 13, the same applies to the case where the antenna 11 is attached to the wall surface.
Japanese Patent Laid-Open No. 9-93011

  As described above, in the conventional antenna mounting method, the bolt mounting hole 16 and screw hole for mounting the mounting bolts 14 and 23 as well as the plug through hole 15 for passing the input / output plug 12 through the ceiling 13 and the wall surface. Since it is necessary to install multiple 21, installation work takes time and costs are high, and it is difficult to obtain installation permission from the manager or owner of the installation location because it is necessary to drill many holes in the ceiling or wall surface. There was a problem.

  Conventionally, when installing an antenna having an input / output connector, it is necessary to install an amplifier, a power supply for operating the amplifier, a filter, a connection cable, etc. in the vicinity in consideration of cable loss. There are problems that many members including the attachment member are necessary and that the construction cost is high.

  The present invention was made in order to solve the above problems, and it is not necessary to provide bolt mounting holes or screw holes for mounting, and can be easily mounted on a ceiling, a wall surface or the like using a plug mounting hole, Further, it is an object of the present invention to provide an antenna device capable of significantly reducing the construction members by incorporating an amplifier, a filter and the like, thereby improving the construction workability and reducing the construction cost.

The present invention provides a screw portion formed on the outer conductor of the input plug provided so as to protrude from the outer surface of the case, the input plug is sandwiched between a washer and a nut in a mounting structure, and the nut is screwed on the outer conductor. In an antenna device that is screwed onto and fixed to,
An amplifier that is provided in the case and amplifies a high-frequency signal supplied to the input plug and a power supply that is supplied to the input plug while being superimposed on the high-frequency signal are separated and supplied to the amplifier as an operating power supply. A power supply separator, a filter that selects a high-frequency signal amplified by the amplifier, and an antenna that transmits the high-frequency signal selected by the filter to the outside are provided.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to attach an antenna apparatus to attachment structures, such as a ceiling easily, an amplifier, the power supply for operating an amplifier, a filter, and the cable which connects between these apparatuses near the antenna apparatus The number of members necessary for the construction can be reduced, the construction can be simplified and the construction period can be shortened, and the construction cost can be reduced.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(First embodiment)
The first embodiment shows a case where the present invention is applied to an antenna device that transmits radio waves by being connected to a transmitter such as a wireless communication device or a terrestrial digital broadcast relay device.

  FIG. 1 is a side sectional view showing a state where the antenna device 31A according to the first embodiment of the present invention is attached to the ceiling 40, and FIG. 2 is a detailed circuit configuration of the antenna device 31A according to the same embodiment and connection with a transmitter. It is a block diagram which shows a structure.

  As shown in FIG. 1, the antenna device 31 </ b> A includes a case 32 formed of a dielectric material such as synthetic resin, and an input plug 33 protrudes from the center of the upper surface of the case 32 and is fixed by, for example, a screw 34. Is done. The input plug 33 has a threaded portion (male thread) 36 formed on the outer periphery of the outer conductor 35, and a nut 37 is detachably provided on the threaded portion 36. The input plug 33 is formed such that the length L of the outer conductor 35 is sufficiently longer than the thickness d of the mounting structure, for example, the ceiling 40.

  When the antenna device 31A is mounted on the ceiling 40, a plug mounting hole 41 is provided at the plug mounting position of the ceiling 40, and the input plug 33 of the antenna device 31A is inserted into the plug mounting hole 41 from below. Then, the upper part projects upward from the plug attachment hole 41. When the input plug 33 is inserted into the plug mounting hole 41, the nut 37 is removed from the input plug 33 in advance.

  Then, a nut 37 is attached to the threaded portion 36 of the input plug 33 protruding above the plug mounting hole 41 via a washer 42, and is fixed by tightening. In this case, the washer 42 is formed sufficiently larger than the plug attachment hole 41.

  The antenna device 31A incorporates a power separator 51, an amplifier 52, a filter 53, and a transmission antenna 54 in a case 32, and the input plug 33 has a high frequency output from the transmitter 61 as shown in FIG. A signal (transmission signal) is input via the coaxial line 62. A power superimposing unit 63 is provided in the middle of the coaxial line 62, and a DC power source having a predetermined voltage for operating the amplifier 52 is supplied to the power input terminal 64. The transmission signal output from the transmitter 61 to the coaxial line 62 is superimposed on the power by the power superimposing unit 63 and input to the input plug 33 of the antenna device 31A.

  The transmission signal input to the input plug 33 is input to the amplifier 52 via the power supply separator 51. At this time, the power separator 51 separates the power superimposed on the transmission signal and supplies it to the power input terminal of the amplifier 52. As a result, the amplifier 52 operates to amplify the transmission signal. The transmission signal amplified by the amplifier 52 is sent to the transmission antenna 54 through the filter 53 and transmitted to the outside.

  According to the first embodiment, the input plug 33 can also serve as a device mounting structure, and the antenna device 31A can be easily mounted on the ceiling 40 by using the minimum required plug mounting hole 41. . As a result, the positional relationship of the mounting screws can be measured to eliminate the need to drill a large number of holes in the ceiling 40, and the construction can be simplified. Further, the ceiling 40 only needs to be provided with a plug mounting hole 41 for inserting the input plug 33, and it is not necessary to provide other mounting holes. There is an advantage that it becomes easy.

  In addition, the amplifier 52, the filter 53, and the transmission antenna 54 are built in the case 32 of the antenna device 31A, and the power is superimposed on the transmission signal output from the transmitter 61 and supplied to the amplifier 52 in the antenna device 31A. Therefore, it is not necessary to install an amplifier, a power source for operating the amplifier, a filter, a cable for connecting these devices, and the like in the vicinity of the antenna device 31A, and the number of members necessary for the construction can be reduced and the construction can be performed. Simplification can shorten the construction period, and the construction cost can be reduced.

(Second Embodiment)
Next, a second embodiment of the present invention will be described.

  The second embodiment shows a case where the present invention is implemented in an antenna device capable of two-frequency transmission.

  FIG. 3 is a side sectional view showing a state in which the antenna device 31B according to the second embodiment of the present invention is attached to the ceiling 40, and FIG. 4 is a detailed circuit configuration of the antenna device 31B according to the same embodiment and a two-frequency transmitter. It is a block diagram which shows these connection structures.

  The antenna device 31B according to the second embodiment includes a power separator 51, a broadband amplifier 52A, a duplexer 55, a first transmission antenna 54a, and a second transmission antenna 54b in a case 32 as shown in FIG. ing. Since the other configuration, that is, the mounting structure to the ceiling 40 is the same as that of the first embodiment, the same portions are denoted by the same reference numerals and detailed description thereof is omitted.

  As shown in FIG. 4, two transmission signals having different frequencies output from the two-frequency transmitter 61 </ b> A are input to the input plug 33 of the antenna device 31 </ b> B via the coaxial line 62. A power superimposing unit 63 is provided in the middle of the coaxial line 62, and a power source for operating the broadband amplifier 52A is supplied to the power input terminal 64 thereof. The transmission signal output from the two-frequency transmitter 61A to the coaxial line 62 is superimposed on the power by the power superimposing unit 63 and input to the input plug 33 of the antenna device 31B.

  The two-frequency transmission signal input to the input plug 33 is input to the broadband amplifier 52A via the power supply separator 51. At this time, the power separator 51 separates the power superimposed on the transmission signal and supplies it to the power input terminal of the broadband amplifier 52A. The broadband amplifier 52 </ b> A operates with the power supplied from the power supply separator 51, amplifies the two-frequency transmission signal, and outputs the amplified signal to the duplexer 55. The duplexer 55 is composed of, for example, two filters, and each of the two transmission signals having different frequencies amplified by the broadband amplifier 52A is selected and output to the first transmission antenna 54a and the second transmission antenna 54b. . Accordingly, two transmission signals having different frequencies are transmitted to the outside from the first transmission antenna 54a and the second transmission antenna 54b.

  As described above, in the second embodiment, the two-frequency transmission signal input from the two-frequency transmitter 61A to the input plug 33 of the antenna device 31B via the coaxial line 62 is amplified by the broadband amplifier 52A. The signals are separated by the duplexer 55, input to the first transmission antenna 54a and the second transmission antenna 54b, and transmitted to the outside. That is, the two-frequency transmission signal output from the two-frequency transmitter 61A can be amplified by one wideband amplifier 52A and transmitted to the outside from the two transmission antennas 54a and 54b.

  According to the second embodiment, similarly to the first embodiment, the antenna device 31B can be easily attached to the ceiling 40 using the plug attachment hole 41, and an amplifier or amplifier is provided near the antenna device 31B. It is not necessary to install a power supply, a filter, and a cable for connecting these devices, etc., and it is possible to reduce the number of members necessary for the construction, simplify the construction, shorten the construction period, and reduce the construction cost. Can be reduced.

(Third embodiment)
Next, a third embodiment of the present invention will be described.

  In the antenna device according to the second embodiment shown in FIGS. 3 and 4, the third embodiment amplifies the two-frequency transmission signal output from the two-frequency transmitter 61A by an amplifier provided separately. This shows the case of transmitting from the transmitting antenna to the outside.

  FIG. 5 is a side sectional view showing a state where the antenna device 31C according to the third embodiment of the present invention is attached to the ceiling, and FIG. 6 is a detailed circuit configuration of the antenna device 31C according to the same embodiment and a dual-frequency transmitter. It is a block diagram which shows a connection structure.

  As shown in FIG. 5, the antenna device 31C according to the third embodiment includes a power separator 51, a duplexer 55, first and second amplifiers 52a and 52b for amplifying transmission signals, and the amplifier 52a, First and second filters 53a and 53b and first and second transmission antennas 54a and 54b for selecting the output of 52b are provided. Since the mounting structure of the antenna device 31C to the ceiling 40 is the same as that of the first embodiment, the same portions are denoted by the same reference numerals and detailed description thereof is omitted.

  As shown in FIG. 6, two transmission signals having different frequencies output from the two-frequency transmitter 61 </ b> A are input to the input plug 33 of the antenna device 31 </ b> C via the coaxial line 62 and the power superimposing unit 63.

  The two-frequency transmission signal input to the input plug 33 is input to the duplexer 55 via the power supply separator 51. The power separator 51 separates power from the transmission signal input to the input plug 33 and supplies the power to the power input terminals of the first amplifier 52a and the second amplifier 52b.

  The duplexer 55 separates a two-frequency transmission signal input from the input plug 33 via the power supply separator 51 and inputs the separated transmission signal to the first amplifier 52a and the second amplifier 52b. The amplifiers 52a and 52b amplify the two-frequency transmission signals separated by the duplexer 55, respectively. The two-frequency transmission signals amplified by the amplifiers 52a and 52b are sent to the first transmission antenna 54a and the second transmission antenna 54b through the first filter 53a and the second filter 53b, respectively, Sent to.

  As described above, in the third embodiment, two transmission signals having different frequencies inputted to the input plug 33 of the antenna device 31C through the coaxial line 62 from the two-frequency transmitter 61A are separated by the duplexer 55, After being amplified for each system by the first amplifier 52a and the second amplifier 52b, they are sent to the first transmission antenna 54a and the second transmission antenna 54b through the filters 53a and 53b, respectively, and transmitted to the outside. .

  According to the third embodiment, the antenna device 31C can be easily attached to the ceiling 40 using the plug attachment hole 41 as in the above embodiments, and an amplifier or amplifier is installed near the antenna device 31C. It is not necessary to install a power supply, a filter, and a cable for connecting these devices, etc., and it is possible to reduce the number of members necessary for the construction, simplify the construction, shorten the construction period, and reduce the construction cost. Can be reduced.

(Fourth embodiment)
Next, a fourth embodiment of the present invention will be described.

  In the fourth embodiment, in the antenna device according to the third embodiment shown in FIGS. 5 and 6, a two-frequency transmission signal output from the two-frequency transmitter 61 </ b> A is transmitted to the outside from one broadband antenna. Is shown.

  FIG. 7 is a side sectional view showing a state in which the antenna device according to the fourth embodiment of the present invention is attached to the ceiling, and FIG. 8 is a detailed circuit configuration inside the antenna device according to the same embodiment and connection with a two-frequency transmitter. It is a block diagram which shows a structure.

  As shown in FIG. 7, the antenna device 31D according to the fourth embodiment includes a power separator 51, a first duplexer 55a, first and second amplifiers 52a and 52b, and a second duplexer 55b in a case 32. A broadband antenna 54A is provided. Since the mounting structure of the antenna device 31D to the ceiling 40 is the same as that in each of the above embodiments, the same portions are denoted by the same reference numerals and detailed description thereof is omitted.

  As shown in FIG. 8, two transmission signals having different frequencies output from the two-frequency transmitter 61 </ b> A are input to the input plug 33 of the antenna device 31 </ b> D via the coaxial line 62 and the power superimposing unit 63.

  The two-frequency transmission signal input to the input plug 33 is input to the first duplexer 55 a via the power supply separator 51. The power separator 51 separates the power from the transmission signal input to the input plug 33 and inputs the power to the power input terminals of the first amplifier 52a and the second amplifier 52b.

  The first duplexer 55a selects a two-frequency transmission signal input from the input plug 33 via the power supply separator 51 and inputs it to the first amplifier 52a and the second amplifier 52b. The amplifiers 52a and 52b amplify the two-frequency transmission signals separated by the first duplexer 55a. The two-frequency transmission signal amplified by the amplifiers 52a and 52b is sent to the broadband antenna 54A via the second duplexer 55b and transmitted to the outside.

  As described above, in the fourth embodiment, two transmission signals having different frequencies input from the two-frequency transmitter 61A to the input plug 33 of the antenna device 31D via the coaxial line 62 are transmitted by the first duplexer 55a. After being separated and amplified for each system by the first amplifier 52a and the second amplifier 52b, they are combined by the second duplexer 55b, sent to the broadband antenna 54A, and transmitted to the outside. That is, the two-frequency transmission signal output from the two-frequency transmitter 61A can be transmitted by one wideband antenna 54A.

  According to the fourth embodiment, the antenna device 31C can be easily mounted on the ceiling 40 using the plug mounting hole 41 as in the above embodiments, and an amplifier or amplifier is installed near the antenna device 31D. It is not necessary to install a power supply, a filter, and a cable for connecting these devices, etc., and it is possible to reduce the number of members necessary for the construction, simplify the construction, shorten the construction period, and reduce the construction cost. Can be reduced.

(Fifth embodiment)
Next, a fifth embodiment of the present invention will be described.

  The fifth embodiment shows a case where the present invention is applied to an antenna device that is connected to a transceiver such as a wireless communication device or a terrestrial digital broadcast relay device to transmit and receive radio waves.

  FIG. 9 is a side sectional view showing a state in which the antenna device 31E according to the fifth embodiment of the present invention is attached to the ceiling 40, and FIG. 10 is a detailed circuit configuration of the antenna device 31E according to the same embodiment and connection with a transceiver. It is a block diagram which shows a structure.

  As shown in FIG. 9, an antenna device 31E according to the fifth embodiment includes a power separator 51, a duplexer 55, a first amplifier 52a that amplifies a transmission signal, and a second amplifier that amplifies a reception signal in a case 32. 52b, first and second filters 53a and 53b, a transmission antenna 54, and a reception antenna 56 are provided. Since the mounting structure of the antenna device 31E to the ceiling 40 has the same configuration as that of each of the above embodiments, the same portions are denoted by the same reference numerals and detailed description thereof is omitted. In this embodiment, since the transmission and reception functions are provided, an input / output plug 33a is used instead of the input plug 33.

  As shown in FIG. 10, the transmission signal output from the transceiver 61B is input to the input / output plug 33a of the antenna device 31E via the coaxial line 62 and the power superimposing unit 63.

  The transmission signal input to the input / output plug 33 a is input to the duplexer 55 via the power supply separator 51. The power separator 51 separates the power from the transmission signal supplied to the input / output plug 33a from the transceiver 61B via the coaxial line 62 and supplies it to the power input terminals of the first amplifier 52a and the second amplifier 52b. To do.

  The duplexer 55 selects a transmission signal input from the input / output plug 33a via the power supply separator 51 and inputs the selected transmission signal to the first amplifier 52a. The first amplifier 52a amplifies the transmission signal. The transmission signal amplified by the first amplifier 52a is sent to the transmission antenna 54 via the first filter 53a and transmitted to the outside.

  The signal received by the receiving antenna 56 is input to the second amplifier 52b via the second filter 53b and amplified. The reception signal amplified by the second amplifier 52b is output to the outside through the duplexer 55, the power supply separator 51 and the input / output connector 33a, and is sent to the transceiver 61B through the coaxial line 62.

  As described above, in the fifth embodiment, the transmission signal input to the antenna device 31E from the transceiver 61B via the coaxial line 62 is amplified by the first amplifier 52a, and then transmitted via the first filter 53a. It is sent to the antenna 54 and transmitted to the outside. Further, the signal received by the receiving antenna 56 is input to the second amplifier 52b from the second filter 53b and amplified, and then externally passed through the duplexer 55, the power supply separator 51, and the input / output connector 33a. To the transmitter / receiver 61B via the coaxial line 62.

  According to the fifth embodiment, the antenna device 31E can be easily attached to the ceiling 40 using the plug attachment hole 41 as in the above embodiments, and an amplifier or amplifier is installed near the antenna device 31E. There is no need to install power supplies, filters, cables to connect these devices, etc., and it is possible to reduce the number of members required for the work, simplify the work, shorten the work period, and reduce the work cost can do.

(Sixth embodiment)
Next, a sixth embodiment of the present invention will be described.

  The sixth embodiment shows a case where one transmitting / receiving antenna is shared for transmission and reception in the antenna device according to the fifth embodiment shown in FIGS. 9 and 10.

  FIG. 11 is a side sectional view showing a state where an antenna device 31F according to a sixth embodiment of the present invention is attached to the ceiling 40, and FIG. 12 is a detailed circuit configuration of the antenna device 31F according to the same embodiment and connection with a transceiver. It is a block diagram which shows a structure.

  As shown in FIG. 11, the antenna device 31F according to the sixth embodiment includes a power separator 51, a first duplexer 55a, a first amplifier 52a that amplifies a transmission signal, and a first amplifier that amplifies a reception signal. Two amplifiers 52b and a transmitting / receiving antenna 54B are provided. That is, in the fifth embodiment, the transmission antenna 54 and the reception antenna 56 are provided separately, whereas in the sixth embodiment, one transmission / reception antenna 54B is shared for transmission and reception. Since the mounting structure of the antenna device 31F to the ceiling 40 has the same configuration as that of each of the above embodiments, the same portions are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIG. 12, the transmission signal output from the transceiver 61 </ b> B is input to the input / output plug 33 a of the antenna device 31 </ b> F via the coaxial line 62 and the power superimposer 63.

  The transmission signal input to the input / output plug 33a is input to the first duplexer 55a via the power supply separator 51. The power separator 51 separates the power from the transmission signal input to the input / output plug 33a and supplies it to the power input terminals of the first amplifier 52a and the second amplifier 52b.

  The first duplexer 55a selects a transmission signal input from the input / output plug 33a via the power supply separator 51 and inputs the selected transmission signal to the first amplifier 52a. The transmission signal amplified by the first amplifier 52a is sent to the transmission / reception antenna 54B via the second duplexer 55b and transmitted to the outside.

  The signal received by the transmission / reception antenna 54B is input to the second amplifier 52b via the second duplexer 55b and amplified. The reception signal amplified by the second amplifier 52b is output through the first duplexer 55a, the power supply separator 51, and the input / output plug 33a, and sent to the transceiver 61B through the coaxial line 62.

  As described above, in the sixth embodiment, the transmission signal input to the antenna device 31F from the transceiver 61B via the coaxial line 62 is amplified by the first amplifier 52a and then transmitted to the outside from the transmission / reception antenna 54B. . In addition, the signal received by the transmission / reception antenna 54B is input to the second amplifier 52b from the second duplexer 55b and amplified, and the amplified signal passes through the first duplexer 55a, the power supply separator 51, and the input / output connector 33a. To the outside and sent to the transceiver 61B via the coaxial line 62.

  According to the sixth embodiment, similarly to the first and second embodiments, the antenna device 31F can be easily attached to the ceiling 40 using the plug attachment hole 41, and an amplifier or the like is installed near the antenna device 31F. It is not necessary to install a power supply, a filter, and a cable for connecting these devices to operate the amplifier, and the number of members required for the construction can be reduced and the construction can be simplified to shorten the construction period. Cost can be reduced.

  In each of the above-described embodiments, the case where the antenna devices 31A to 31F are mounted on the ceiling 40 is shown as an example. It is possible to mount the devices 31A to 31F.

  Further, the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying constituent elements without departing from the scope of the invention in the implementation stage.

It is a sectional side view which shows the attachment structure of the antenna device which concerns on 1st Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna apparatus which concerns on the same embodiment, and a connection structure with a transmitter. It is a sectional side view which shows the attachment structure of the antenna apparatus which concerns on 2nd Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna device which concerns on the same embodiment, and a connection structure with a 2 frequency transmitter. It is a sectional side view which shows the attachment structure of the antenna apparatus which concerns on 3rd Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna device which concerns on the same embodiment, and a connection structure with a 2 frequency transmitter. It is a sectional side view which shows the attachment structure of the antenna apparatus which concerns on 4th Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna device which concerns on the same embodiment, and a connection structure with a 2 frequency transmitter. It is a sectional side view which shows the attachment structure of the antenna apparatus which concerns on 5th Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna apparatus which concerns on the same embodiment, and a connection structure with a transmitter / receiver. It is a sectional side view which shows the attachment structure of the antenna device which concerns on 6th Embodiment of this invention. It is a block diagram which shows the detailed circuit structure of the antenna apparatus which concerns on the same embodiment, and a connection structure with a transmitter / receiver. It is a sectional side view which shows the attachment structure of the conventional electronic device. It is a sectional side view which shows the attachment structure of the other conventional electronic device.

Explanation of symbols

  31A to 31F: antenna device according to first to sixth embodiments, 32 ... case, 33 ... input plug, 33a ... input / output plug, 34 ... screw, 35 ... outer conductor, 36 ... screw portion, 37 ... nut 40 ... Ceiling, 41 ... Plug mounting hole, 42 ... Washer, 51 ... Power supply separator, 52 ... Amplifier, 52A ... Broadband amplifier, 52a ... First amplifier, 52b ... Second amplifier, 53 ... Filter, 53a ... 1st filter, 53b ... 2nd filter, 54 ... Transmission antenna, 54a ... 1st transmission antenna, 54b ... 2nd transmission antenna, 54A ... Broadband antenna, 54B ... Transmission / reception antenna, 55 ... Duplexer, 55a ... 1st duplexer, 55b ... 2nd duplexer, 56 ... Receiving antenna, 61 ... Transmitter, 61A ... Dual frequency transmitter, 61B ... Transceiver, 62 ... Coaxial line, 63 ... Power superimposer, 64 ... Source input terminal.

Claims (1)

A threaded portion is formed on the outer conductor of the input plug that protrudes from the outer surface of the case, the input plug is sandwiched between the mounting structure by a washer and a nut, and the nut is screwed onto the threaded portion of the outer conductor. In the antenna device to be fixed
An amplifier that is provided in the case and amplifies a high-frequency signal supplied to the input plug;
A power separator that separates power supplied to the input plug by superimposing it on a high-frequency signal and supplies the amplifier as an operating power;
A filter for selecting a high-frequency signal amplified by the amplifier;
An antenna for transmitting the high-frequency signal selected by the filter to the outside;
An antenna device comprising:

Images