Single slot cavity antenna assembly

Claim 2

A thin flexible wrap-around antenna assembly comprising: a first thin conductor; a second thin conductor spaced from said first conductor; conductive means connecting an edge portion of said first conductor with an edge portion of said second conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, one portion of which terminates connected to said first conductor and a second portion of which terminates at a signal feed junction spaced from said first conductor; and means for supporting said conductors and conductive material to thereby maintain a predetermined orientation therebetween, said means for supporting said conductors and conductive material including nonconductive means therebetween, and said first and second conductors, said conductive material and said nonconductive means each comprising part of a single sheet of dielectric material metallically cladded on opposite sides thereof.

Claim 3

A thin flexible wrap-around antenna assembly comprising: a first thin conductor; a second thin conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, one portion of which includes a plurality of leads connected to said first conductor and spaced apart at intervals substantially equal to one wavelength at a predetermined operating frequency of said antenna, and a second portion of which terminates at a signal feed junction spaced from said first conductor; and means for supporting said conductors and conductive material to thereby maintain a predetermined orientation therebetween.

Claim 4

A thin flexible wrap-around antenna assembly comprising: a first thin conductor; a second thin conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, one portion of which includes a plurality of leads connected to said first conductor and spaced apart at intervals substantially equal to one wavelength at a predetermined operating frequency of said antenna, and a second portion of which terminates at a signal feed junction spaced from said first conductor; and means for supporting said conductors and conductive material to thereby maintain a predetermined orientation therebetween.

Claim 5

A thin flExible wrap-around antenna assembly comprising: a first thin conductor; a second thin conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, one portion of which includes a plurality of leads connected to said first conductor and suitably dimensioned so as to transfer a plurality of substantially equal phase and amplitude signals to said first conductor and a second portion of which terminates at a signal feed junction spaced from said first conductor; and means for supporting said conductors and conductive material to thereby maintain a predetermined orientation therebetween.

Claim 6

A thin flExible wrap-around antenna assembly comprising: a first thin conductor; a second thin conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, one portion of which includes a plurality of leads connected to said first conductor and suitably dimensioned so as to transfer a plurality of substantially equal phase and amplitude signals to said first conductor and a second portion of which terminates at a signal feed junction spaced from said first conductor; and means for supporting said conductors and conductive material to thereby maintain a predetermined orientation therebetween.

Claim 7

A thin flexible wrap-around antenna assembly comprising: a thin conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, said electrical signal feed means including a plurality of leads one portion of each of which terminates connected to said conductor with said conductor connections being spaced apart at intervals substantially equal to one wavelength at a predetermined frequency of said antenna, and a second portion of each of which is connected with a signal feed junction, said conductive material being suitably dimensioned so as to provide impedance matching at the points of connection with said conductor; and means for supporting said conductor and conductive material to thereby maintain the predetermined orientation therebetween.

Claim 8

A thin flexible wrap-around antenna assembly comprising: a thin conductor; electrical signal feed means, at least a part of which is constructed of thin ribbon-like conductive material, said electrical signal feed means including a plurality of leads one portion of each of which terminates connected to said conductor with said conductor connections being spaced apart at intervals substantially equal to one wavelength at a predetermined frequency of said antenna, and a second portion of each of which is connected with a signal feed junction, said conductive material being suitably dimensioned so as to provide impedance matching at the points of connection with said conductor; and means for supporting said conductor and conductive material to thereby maintain the predetermined orientation therebetween.

Claim 9

A thin flexible assembly adapted for use as a wrap-around antenna, said assembly comprising: a first thin cylindrical conductor the diameter of which is equal to a predetermined value; a second thin cylindrical conductor the diameter of which is equal to a value less than said predetermined value, said second conductor being positioned concentrically within said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means including a plurality of leads which terminate connected to said first conductor and which are spaced apart at intervals substantially equal to one wavelength at a predetermined operating frequency of said antenna, said leads being constructed of thin ribbon-like conductive material; and means for supporting said conductors and said leads to thereby maintain the predetermined orientation therebetween.

Claim 10

A thin flexible assembly adapted for use as a wrap-around antenna, said assembly comprising: a first thin cylindrical conductor the diameter of which is equal to a predetermined value; a second thin cylindrical conductor the diameter of which is equal to a value less than said predetermined value, said second conductor being positioned concentrically within said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means including a plurality of leads which terminate connected to said first conductor and which are spaced apart at intervals substantially equal to one wavelength at a predetermined operating frequency of said antenna, said leads being constructed of thin ribbon-like conductive material; and means for supporting said conductors and said leads to thereby maintain the predetermined orientation therebetween.

Claim 11

A thin flexible wrap-around antenna assembly comprising: a first cylindrical conductor the axial length of which is substantially equal to one-quarter wavelength at a predetermined operating frequency of said antenna; a second cylindrical conductor concentrically positioned within and radially spaced from said first conductor; conductive means connecting one transverse edge of said first conductor with an adjacent transverse edge of said second conductor so as to form a one-quarter wavelength open-ended coaxial cavity therebetween; electrical signal feed and impedance matching means including a plurality of leads terminating at and to said first conductor and circumferentially spaced apart at intervals substantially equal to one-wavelength at said predetermined frequency, said leads being constructed of thin ribbon-like material integral with said first conductor and suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor.

Claim 12

A thin flexible wrap-around antenna assembly comprising: a first cylindrical conductor the axial length of which is substantially equal to one-quarter wavelength at a predetermined operating frequency of said antenna; a second cylindrical conductor concentrically positioned within and radially spaced from said first conductor; conductive means connecting one transverse edge of said first conductor with an adjacent transverse edge of said second conductor so as to form a one-quarter wavelength open-ended coaxial cavity therebetween; electrical signal feed and impedance matching means including a plurality of leads terminating at and to said first conductor and circumferentially spaced apart at intervals substantially equal to one-wavelength at said predetermined frequency, said leads being constructed of thin ribbon-like material integral with said first conductor and suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor.

Claim 13

An antenna according to claim 6 wherein said electrical signal feed means further includes a coaxial transmission line, the outer conductive cable of which is connected to said second conductor and the inner conductive cable of which is connected to said plurality of leads at a predetermined point spaced from said points of connection with said first conductor.

Claim 14

An antenna according to claim 7 wherein said leads are further suitably dimensioned so as to transfer a plurality of substantially equal phase and ampliTude signals to said first conductor.

Claim 15

An impedance-matched antenna assembly comprising: a first conductor; a second conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, said feed means including a first plurality of thin ribbon-like conductive leads which terminate connected to said first conductor and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor and a second plurality of thin ribbon-like leads which terminate connected to said first plurality of leads and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first plurality of leads; and means supporting said conductors and said first and second pluralities of leads to thereby maintain the predetermined orientation therebetween.

Claim 16

An impedance-matched antenna assembly comprising: a first conductor; a second conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means, said feed means including a first plurality of thin ribbon-like conductive leads which terminate connected to said first conductor and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor and a second plurality of thin ribbon-like leads which terminate connected to said first plurality of leads and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first plurality of leads; and means supporting said conductors and said first and second pluralities of leads to thereby maintain the predetermined orientation therebetween.

Claim 17

An impedance-matched antenna assembly comprising: a first conductor; a second conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means; said feed means including a first plurality of thin ribbon-like conductive leads which terminate connected to said first conductor and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor, a second plurality of thin ribbon-like conductive leads each of which is connected to a pair of said first plurality of leads and suitably dimensioned so as to provide impedance matching at the points of connection with said first leads and a third plurality of thin ribbon-like conductive leads connected to said second plurality of leads and to a signal feed junction, said third plurality of leads being suitably dimensioned so as to provide impedance matching at the points of connection with said second leads; and means supporting said conductors and said first, second and third plurality of leads to thereby maintain the predetermined orientation therebetween.

Claim 18

An impedance-matched antenna assembly comprising: a first conductor; a second conductor spaced from said first conductor; conductive means connecting a portion of said first conductor with a portion of said second conductor; electrical signal feed means; said feed means including a first plurality of thin ribbon-like conductive leads which terminate connected to said first conductor and which are suitably dimensioned so as to provide impedance matching at the points of connection with said first conductor, a second plurality of thin ribbon-like conductive leads each of which is connected to a pair of said first plurality of leads and suitably dimensioned so as to provide impedance matching at the points of connection with said first leads and a third plurality of thin ribbon-like conductive leads connected to said second plurality of leads and to a signal feed junction, said third plurality of leads being suitably dimensioned so as to provide impedance matching at the points of connection with said second leads; and means supporting said conductors and said first, second and third plurality of leads to thereby maintain the predetermined orientation therebetween.

Claim 19

An antenna according to claim 10 wherein the distances between said signal feed junction and the points of connection of said first conductive leads to said first conductor are substantially equal whereby to transfer a plurality of substantially equal phase and amplitude signals to said first conductor.

Claim 22

A method according to claim 12 wherein said last-mentioned step includes the steps of wrapping said sheet about the body of said vehicle and thereafter connecting opposite ends of said sheet together.

Claim 23

A method according to claim 12 wherein said last-mentioned step includes the steps of connecting opposite ends of said sheet together and sliding the same about the body of said vehicle.