Source: https://insight.rpxcorp.com/pat/US6344803B1
Timestamp: 2019-11-18 04:46:43
Document Index: 720118744

Matched Legal Cases: ['art 2', 'art 2', 'art 2', 'art 2', 'art 5', 'arts 5', 'art 7', 'art 8', 'art 12', 'arts 13', 'arts 13', 'art 63']

Patent US 6,344,803 B1
a base comprising a radio device body accommodating recess portion; and
an antenna accommodating recess portion;
wherein the radio device body accommodating recess portion and the antenna accommodating recess portion are disposed back to back with each other; and
further wherein a surface part of the antenna accommodating recess portion is a radio wave reflecting portion;
PRINTED CIRCUIT BOARD HAVING SUPPORTING PATTERNS
US 20080049402A1
Object detection assembly
US 9,280,898 B1
7. The radio apparatus according to claim 6, wherein the distance maintaining member is accommodated in the antenna accommodating portion in a state in which the antenna substrate is sandwiched between a first spacer, provided between the base and the antenna substrate, and a second spacer, provided between the antenna substrate the antenna cover, wherein a radio wave cutoff rib is provided in said housing, and an electrically conductive cushion member is provided on the radio wave cutoff rib, and the electrically conductive cushion member is abutted against the antenna substrate.
10. The roadside radio apparatus according to claim 1, wherein the base includes:
a packing receiving portion disposed at a place that is more inward than the screw hole portion, and wherein the antenna cover includes;
a packing holding portion disposed at a place which is more inward than the screw seat portions, and wherein a waterproof packing is provided in the packing receiving portion of the base, and, in a state in which the antenna cover is attached to the base by aligning the antenna-cover-side mating portion with the base-side mating portion and by screwing screw members inserted into the screw seat portions, and the antenna accommodating portion is shut off from the outside by holding the waterproof packing with the packing holding portion.
11. The radio apparatus according to claim 1, wherein an air escape hole is provided in a surface portion of the base cover, wherein a porous waterproof sheet is provided by being stretched in the air escape hole, wherein a mounting seat element is fixed to a front side of the surface portion of the base cover, and a notch portion is provided in the mounting seat element, and the air escape hole is placed in the notch portion, wherein a mounting plate is fixed to the mounting seat element, and wherein a space provided just above the air escape hole is closed by the mounting plate.
12. The radio apparatus according to claim 1, wherein a recess portion is provided in a surface portion of the base cover, and a bottom part of the recess portion includes an LED display window portion for checking whether or not an LED of a radio device body accommodated in the radio device body accommodating portion, is turned on, and wherein the LED display window is covered with a transparent panel.
<FGREF>FIG. 1</FGREF> is a plan view of a roadside radio apparatus of the present invention.
<FGREF>FIG. 2</FGREF> is a front view of the roadside radio apparatus.
<FGREF>FIG. 3</FGREF> is a bottom view of the roadside radio apparatus.
<FGREF>FIG. 4</FGREF> is a sectional view taken on line X—X of FIG. 1.
<FGREF>FIG. 5</FGREF> is an exploded perspective view of the roadside radio apparatus of the present invention.
<FGREF>FIG. 6</FGREF> is a perspective view of an antenna substrate of the roadside radio apparatus.
<FGREF>FIG. 7</FGREF> is a sectional view taken on line Y—Y of FIG. 6.
<FGREF>FIG. 8</FGREF> is a diagram illustrating an operation of a radio wave leakage preventing means of the roadside radio apparatus.
<FGREF>FIG. 9</FGREF> is a diagram illustrating radio wave leakage.
<FGREF>FIG. 10A</FGREF> is a sectional view of a spacer of the roadside radio apparatus of the present invention.
<FGREF>FIG. 10B</FGREF> is a sectional view of another spacer of the roadside radio apparatus of the present invention
<FGREF>FIG. 11</FGREF> is a schematic perspective diagram illustrating a state in which the roadside radio apparatus of the present invention is attached to a support.
<FGREF>FIG. 12</FGREF> is a partially cutaway perspective exploded view of a mounting mechanism.
<FGREF>FIG. 13</FGREF> is a plan view of the mounting mechanism.
<FGREF>FIG. 14</FGREF> is a front view of the mounting mechanism.
<FGREF>FIG. 15</FGREF> is a side view of the mounting mechanism.
<FGREF>FIG. 16</FGREF> is a front view of a lateral-member mounting member in the mounting mechanism.
<FGREF>FIG. 17</FGREF> is a side view of a lateral-member mounting member in the mounting mechanism.
<FGREF>FIG. 18</FGREF> is a bottom view of a lateral-member mounting member in the mounting mechanism.
<FGREF>FIG. 1</FGREF> is a plan view of a roadside radio apparatus of the present invention. <FGREF>FIG. 2</FGREF> is a front view of the roadside radio apparatus. <FGREF>FIG. 3</FGREF> is a bottom view of the roadside radio apparatus. <FGREF>FIG. 4</FGREF> is a sectional view taken on line X—X of FIG. 1. <FGREF>FIG. 5</FGREF> is an exploded perspective view of the roadside radio apparatus of the present invention.
As illustrated in <FGREF>FIGS. 1</FGREF> to 5, the roadside radio apparatus A of the present invention has a housing 70, a radio device body U accommodated in the housing 70, and an antenna substrate (or antenna) 30 accommodated in the housing 70 and connected to the radio device body U. The housing 70 has an aluminum die-cast integral-type base 1, a base cover 11, which covers an upper part of this base 1, and an antenna cover 25 that is attached to a lower portion of the base 1 and made of an ASA resin.
As shown in <FGREF>FIGS. 4 and 5</FGREF>, the base 1 has a base body 1A of a square horizontal section. A square-frame-like peripheral wall portion 2 is formed on one of surface portions (namely, the top surface portion) 1a of this base body 1A. A space surrounded by this peripheral wall portion 2 serves as a radio device body accommodating recess portion 3A. A mating part 2A is formed on an end surface part 2a of the peripheral wall portion 2. Further, a rib-like packing holding portion 4A is formed over the entire periphery of the mating part 2A. Further, a plurality of screw holes 4B are provided in the mating part 2A of the peripheral wall portion 2 and serve as lid mounting parts. Moreover, a part of one of the surface portions la is established in such a way as to be outer than the peripheral wall portion 2 and serve as a cover attaching part 5. A plurality of screw hole parts 5A are provided in this cover attaching portion 5.
Furthermore, as illustrated in <FGREF>FIG. 4</FGREF>, a peripheral wall portion 6 is formed on the other surface portion (namely, the bottom surface portion) 1b of the base body 1A. A space surrounded by this peripheral wall portion 6 serves as an antenna accommodating recess portion 71. A peripheral edge part of this peripheral wall portion 6 serves as a base-side mating part 7. Further, a packing receiving portion 8 is formed on the other surface portion 1b of the base body 1A in such a manner as to be placed more inward than and nearly parallel with the peripheral wall portion 6. Moreover, a radio wave cutoff rib 9 is formed on the surface portion 1b of the base body 1A in such a manner as to be placed more inward than the packing receiving portion 8 and nearly parallel with the peripheral wall portion 6. Further, a packing fitting groove portion 8b is formed in an end surface part 8a of the packing receiving portion 8. A waterproof packing 10 is fitted into the packing fitting groove portion 8b.
As illustrated in <FGREF>FIGS. 4 and 5</FGREF>, the base cover 11 has a cover body 11A of a square horizontal section. A square-frame-like peripheral wall portion 12 is formed on this cover body 11A. A mating portion 22 is formed on an end surface part 12a of the peripheral wall portion 12. A packing fitting groove portion 22A is formed in the mating portion 22. Waterproof packing 22B is fitted into this packing fitting groove portion 22A. Further, a mounting portion 13 having screw inserting hole parts 13a is formed on the peripheral edge part of the peripheral wall portion 12. Moreover, a rectangular recess portion 14 is formed in a surface portion 11a of the cover body 11A by being placed on a side thereof. An LED display window portion 15 is provided in the bottom portion of this recess portion 14. This LED display window portion 15 is covered with a transparent panel 16.
Further, an air escape hole 17 is provided at a side opposite to the LED display window portion 15 formed in the surface portion 11a of the cover body 11A. A porous waterproof sheet 18 is mounted in this air escape hole 17 with a mounting member 18A. A mounting seat element 19 is fixed to the front side of the surface portion 11a of the cover body 11A. A U-shaped notch portion 20 and screw portions 21 provided on both sides of this notch portion 20 are formed in this mounting seat element 19. The air escape hole 17 is positioned in the notch portion 20.
That is, in a state in which the radio device body U is accommodated in the radio device body accommodating recess portion 3A, the base cover 11 is provided along an upper portion of the base 1 by aligning the mating portion 2A of this base 1 with the mating portion 22. The base cover 11 is attached to the base 1 by screwing attaching screw members 39, which are inserted into the screw inserting hole parts 13a of the mounting portion 13, into screw holes 4B of the cover attaching portion 5A. In this case, the packing holding portion 4A performs a sealing function by being pressed against the waterproof packing 22B provided in the packing fitting groove portion 22A.
As shown in <FGREF>FIGS. 4 and 5</FGREF>, the antenna cover 25 is made of an ASA resin that is a radio wave transmissive material having high weather-resistance and permittivity. A peripheral wall portion 26 is formed on a peripheral portion of the cover body 25A. The peripheral edge portion of this peripheral wall portion 26 serves as an antenna-cover-side mating portion 27. Further, a rib-like packing holding portion 28 is formed on the inner surface of the cover body 25 in such a way as to be more inward than the peripheral wall portion 26 and nearly parallel thereto. This packing holding portion 28 is connected to the peripheral wall portion 26 through a plurality of connecting ribs 28F.
Furthermore, a plurality of antenna substrate receiving portions 27F are formed on an inner surface portion 25a of the cover body 25 in such a way as to be more inward than the packing holding portion 28. Further, a plurality of screw seat portions 29 are formed on the inner surface portion 25a of the cover body 25A in such a manner as to be outer than the packing holding portion 28 and more inward than the peripheral wall portion 26. A screw hole 29A is formed in each of the screw seat portions 29. Moreover, as shown in <FGREF>FIG. 10A</FGREF>, the inner surface portion 25a of the cover body 25A is shaped like a sphere of a radius R.
Further, as shown in <FGREF>FIG. 6</FGREF>, the antenna substrate 30 has a substrate body 30A. Patterns (namely, peripheral through hole patterns) 31 and 32 are provided around the front surface (or bottom surface) 30a and the rear surface (or top surface) 30b of this substrate body 30A, respectively. Many through holes 33 are provided in these patterns 31 and 32. The patterns 31 and 32 are connected to each other through these through holes 33.
Furthermore, as shown in <FGREF>FIGS. 4 and 5</FGREF>, one of spacers 35 (namely, an upper spacer) is made of a foaming material and shaped in such away as to cover the back-surface side 30b (namely, the top-surface side) of the antenna substrate 30.
Further, as shown in <FGREF>FIGS. 4 and 5</FGREF>, the other spacer 36 (namely, a lower spacer) is made of a foaming material and shaped in such a way as to cover the front-surface side 30a (namely, the bottom-surface side) of the antenna substrate 30. That is, as shown in <FGREF>FIG. 10A</FGREF>, in the other (or lower) spacer 36, the former surface portion (namely, the top surface portion) 36a is formed as a flat surface that abuts against the surface 30a of the antenna substrate 30. The other surface portion (or bottom surface portion) 36b serving as an antenna cover facing portion is shaped like a sphere of a radius R in such a way as to abut against the spherical inner surface portion 25a of a radius R.
Furthermore, in the antenna cover 25, the former and latter spacers 35 and 36 and the antenna substrate 30 are accommodated in a state in which the antenna substrate 30 are sandwiched between the former spacer 35 and the latter spacer 36. The surface portion 36b of the latter spacer 36 abuts against the spherical inner surface portion 25a of a radius R of the antenna cover 25.
Further, in a state in which an electrically conductive cushion rubber 37 of a U-shaped section is attached to the radio wave cutoff rib 9 of the base 1, the antenna cover 25 is provided along the base 1 by aligning an antenna-cover-side mating portion 27 with the base-side mating portion 7 of this base 1. The antenna cover 25 is attached to the base 1 by screwing attaching screw members 38, which are inserted into the screw inserting holes 5a of the cover attaching portion 5A of the base body 1A, into screw holes 29A of the screw seat portion 29 of the antenna cover 25.
Furthermore, as illustrated in <FGREF>FIG. 10B</FGREF>, many projections 36A are formed on the latter surface portion 36b of the latter spacer 36. Thus, when the latter surface portion 36b is brought into contact with and pressed against the inner surface portion 25a of the antenna cover 25, the projections 36A are crushed, so that variation in dimensions thereof can be accommodated.
Further, the latter surface portion (or bottom surface portion) 1b of the base body 1A serves as a radio wave reflecting surface (or radio wave reflecting portion) S. Moreover, the rear-surface side 30b of the antenna substrate 30 is surrounded by the radio wave cutoff ribs 9.
That is, as illustrated in <FGREF>FIGS. 12</FGREF> to 18, the mounting mechanism B comprises a mounting plate 23 fixed onto the mounting seat element 19, an insert-mounting member 40, an angular adjusting member 41, and a lateral-member mounting member 42.
The insert-mounting member 40 has a holding portion 43 of a U-shaped section. Mounting plate portions 44A and 44B are formed on both side edge portions of this holding portion 43. Further, a hole portion 45 for a fulcrum, and a fixing hole portion 46 are formed in a side surface portion 43a of the holding portion 43. Moreover, inserting portions 47 and 48, which project backwardly, are formed on the left and right rear edge portions of the mounting plate portions 44A and 44B, respectively. Furthermore, the mounting hole portion 40A is provided in each of the mounting plates 44A and 44B.
Furthermore, the angular adjusting member 41 has a surface portion 49 and side surface portions 50 and 51 each bent perpendicular to this surface portion 49, and also has a U-shaped section. As shown in <FGREF>FIG. 13</FGREF>, a pair of elongated arcuate hole portions 52 each extending along a part of a circle, whose center is located at a point P, are provided in the surface portion 49 in such a manner as to be opposed to each other. Moreover, a hole portion for a fulcrum 53, and an arcuate elongated hole portion 54, which extends along apart of a circle, whose center is located at this hole portion 53, are provided in each of side surface portions 50 and 51.
Furthermore, the lateral-member mounting member 42 comprises a U-shaped bolt 59, a clamping member 60, and a holding member 61. The clamping member 60 has inserting holes 62 provided in both side portions thereof. Further, the holding member 61 has a holding portion 63 of a U-shaped section. Mounting portions 64A and 64B each having an inserting hole 66 are formed in both side edge parts of this holding portion 63. A surface part 63a of the holding portion 63 has a pair of bolt inserting hole portions 65.
Subsequently, the roadside radio apparatus A is lifted. Then, the inserting portions 47 and 48 of the insert-mounting member 40 are inserted under and engaged with the engaging portions 23A and 23B provided at both end portions of the mounting plate 23, which is put on and fixed to the mounting seat element 19 of the base cover 11. Thus, the mounting plate portions 44A and 44B are fixed to the base cover 11 by means of mounting bolts 70 by using the mounting hole portions 40a.
Matsuoka, Satori, Tsubouchi, Toshimichi
340/928, 340/932.2, 340/691.1, 340/539, 340/935, 340/933, 455/447, 455/446, 235/384, 235/382, 235/379, 342/44, 342/42, 342/51, 342/456, 701/117