Light distribution device

Claim 2

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said light coupler means having a light receiving surface juxtaposed to said light emitting end of said first light-guide cable and a light emitting surface juxtaposed to said light receiving ring plane.

Claim 3

A light distribution apparatus according to claim 1, wherein said light coupler means has side surfaces extending between said light receiving surface and said light emitting surface, said side surface being reflective surfaces.

Claim 4

A light distribution apparatus according to claim 1, wherein said light coupler means has side surfaces extending between said light receiving surface and said light emitting surface, said side surfaces being clad surfaces.

Claim 5

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane having the configuration of an annulus; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said coupler means having an overall configuration of a sector of said annulus.

Claim 6

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane having the configuration of an annulus; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said coupler means having an overall configuration of a sector of said annulus.

Claim 7

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane, said light receiving ring plane having an outer diameter spaced from an inner diameter; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said coupler means having an outer circular wall having a diameter substantially equal to said outer diameter of said light receiving ring plane, said coupler means having an inner circular wall having a diameter substantially equal to said inner diameter of said light receiving ring plane.

Claim 8

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane, said light receiving ring plane having an outer diameter spaced from an inner diameter; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said coupler means having an outer circular wall having a diameter substantially equal to said outer diameter of said light receiving ring plane, said coupler means having an inner circular wall having a diameter substantially equal to said inner diameter of said light receiving ring plane.

Claim 9

A light distribution apparatus according to claim 5, wherein said coupler means has spaced side walls each disposed in an axial plane which includes said central axis.

Claim 10

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light receiving ends of said second light-guide cables, said revolving means comprising a main arm which supports said coupler means, and an auxiliary arm extending from said main arm for supporting said end portion of said first light-guide cable.

Claim 11

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light receiving ends of said second light-guide cables, said revolving means comprising a main arm which supports said coupler means, and an auxiliary arm extending from said main arm for supporting said end portion of said first light-guide cable.

Claim 12

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising a revolving arm supporting one part of said first light-guide cable and a stationary arm supporting another part of said first light-guide cable.

Claim 13

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising a revolving arm supporting one part of said first light-guide cable and a stationary arm supporting another part of said first light-guide cable.

Claim 14

A light distribution apparatus according to claim 8 further comprising a rotary bearing on said revolving arm for rotatably supporting said one part of said first light-guide cable.

Claim 15

A light distribution apparatus according to claim 8 further comprising a spherical bearing for supporting said other part of said first light-guide cable or said stationary arm.

Claim 16

A light distribution apparatus according to claim 10, wherein said spherical bearing has a center which is coincident with said central axis.

Claim 17

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising motor means having a drive shaft, said revolving means further comprising a linkage means between said drive shaft and said end portion of said first light-guide cable, said drive shaft having an axis coincident with said central axis.

Claim 18

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising motor means having a drive shaft, said revolving means further comprising a linkage means between said drive shaft and said end portion of said first light-guide cable, said drive shaft having an axis coincident with said central axis.

Claim 19

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising a motor means, first linkage means between said motor means and one part of said first light-guide cable for revolving said first part over said light receiving ring plane, second linkage means between said motor means and a second part of said first light-guide cable for revolving said second part about a circle, said one part of said first light-guide cable being axially spaced from said second part of said first light-guide cable.

Claim 20

A light distribution apparatus comprising: a first light-guide cable for transmitting light rays, said first light-guide cable having an end portion having a light emitting end; a plurality of second light-guide cables each having an end portion having a light receiving end; support means for supporting said end portions of said second light-guide cables in a generally circular array about a central axis with each of said light receiving ends being disposed in a light receiving ring plane; and revolving means for revolving said end portion of said first light-guide cable over said light receiving ring plane, said revolving means carrying a light coupler means disposed at said light emitting end of said first light-guide cable such that when said light emitting end of said first light-guide cable passes over said light receiving ring plane, the light rays are transmitted from said light emitting end through said coupler means to said light receiving ends of said second light-guide cables, said revolving means comprising a motor means, first linkage means between said motor means and one part of said first light-guide cable for revolving said first part over said light receiving ring plane, second linkage means between said motor means and a second part of said first light-guide cable for revolving said second part about a circle, said one part of said first light-guide cable being axially spaced from said second part of said first light-guide cable.

Claim 21

A light distribution apparatus according to claim 13, wherein said first linkage means comprises a first link arm rotatably connected to said first part of said first light-guide cable, a first driven shaft driven by said motor means, and a first eccentric connection between said first driven shaft and said first link arm.

Claim 22

A light distribution apparatus according to claim 14, wherein said second linkage means comprises a second link arm rotatably connected to said second part of said first light-guide cable, a second driven shaft driven by said motor means, and a second eccentric connection between said second driven shaft and said second link arm.

Claim 23

A light distribution apparatus according to claim 15, wherein said first and second driven shafts having aligned axes.

Claim 24

A light distribution apparatus according to claim 15, wherein said first and second eccentric connections are 180 degrees out of phase with one another.

Claim 25

A light distribution apparatus according to claim 13, wherein said revolving means further comprises a fixed mounting means having a mounting arm, and bearing means rotatably mounting said mounting arm on a third part of said first light-guide cable, said third part being axially intermediate said one and said second parts.

Claim 26

A light distribution apparatus according to claim 18, wherein said motor means is mounted on said mounting means.

Claim 27

A light distribution apparatus according to claim 13, wherein said second link arm has an intermediate section, said mounting means having a support rod for supporting said intermediate section of said second link arm.