Optical and mechanical improvements for television projection system

Claim 2

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) forwardly directed electron source means; (b) rearwardly directed phosphor target means; (c) forwardly directed converging mirror means having an aperture; (d) forwardly positioned corrector means; (e) evacuated envelope means; (f) said electron source means, said mirror means and said target means being disposed in said envelope means; (g) said electron source means, said mirror means, said target means and said corrector means being disposed along an optic axis; (h) first mounting means including only a single post portion extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (i) second mounting means having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (j) third mounting means having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mounting means carrying said target means; (k) first screw means for locking said second mounting means with respect to said first mounting means; and (l) second screw means for locking said third mounting means with respect to said second mounting means.

Claim 3

The television projector of claim 1 wherein said mirror means is spheric.

Claim 4

The television projector of claim 1 wherein said mirror means is aspheric.

Claim 5

The television projector of claim 1 wherein said phosphor target means includes an aluminum substrate, a copper-nickel alloy intermediate stratum and a phosphor coating stratum.

Claim 6

The television projector of claim 1 wherein mirror means and said correction means constitutes a catadioptric Schmidt system.

Claim 7

The television projector of claim 1 wherein said corrector means has points of inflection at approximately the 3/4 marginal zone.

Claim 8

The television projector of claim 1 wherein the said electron source means is characterized by a focal voltage and an acceleration voltage that are constant.

Claim 9

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) forwardly directed electron source means; (b) rearwardly directed phosphor target means; (c) forwardly directed converging mirror means having an aperture; (d) forwardly positioned corrector means; (e) evacuated envelope means; (f) said electron source means, said mirror means and said target means being disposed in said envelope means; (g) said electron source means, said mirror means, said target means and said corrector means being disposed along an optic axis; (h) first mounting means including only a single post portion extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (i) second mounting means having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (j) third mounting means having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mounting means carrying said target means; (k) first screw means for locking said second mounting means with respect to said first mounting means; (l) second screw means for locking said third mounting means with respect to said second mounting means; (m) tubular can means in said envelope means for carrying said first mounting means; (n) at least three spring elements extending from said can means and biased towards said envelope means.

Claim 10

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) forwardly directed electron source means; (b) rearwardly directed phosphor target means; (c) forwardly directed converging mirror means having an aperture; (d) forwardly positioned corrector means; (e) evacuated envelope means; (f) said electron source means, said mirror means and said target means being disposed in said envelope means; (g) said electron source means, said mirror means, said target means and said corrector means being disposed along an optic axis; (h) first mounting means including only a single post portion extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (i) second mounting means having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (j) third mounting means having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mounting means carrying said target means; (k) first screw means for locking said second mounting means with respect to said first mounting means; (l) second screw means for locking said third mounting means with respect to said second mounting means; (m) tubular can means in said envelope means for carrying said first mounting means; (n) at least three spring elements extending from said can means and biased towards said envelope means.

Claim 11

The television projector of claim 8 wherein said mirror means is spheric.

Claim 12

The television projector of claim 9 wherein said mirror means is aspheric.

Claim 13

The television projector of claim 10 wherein said phosphor target means includes an aluminum substrate, a copper-nickel alloy intermediate stratum and a phosphor coating stratum.

Claim 14

The television projector of claim 11 wherein mirror means and said corrector means constitutes a catadioptric Schmidt system.

Claim 15

The television projector of claim 12 wherein said corrector means has points of inflection at approximately the 3/4 marginal zone.

Claim 16

The television projector of claim 13 wherein the said electron source means is characterized by a focal voltage and an acceleration voltage that are constant.

Claim 17

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) a forwardly directed electron gun; (b) a rearwardly concave phosphor target; (c) a forwardly directed converging mirror having a central aperture; (d) a forwardly positioned corrector plate; (e) an evacuated glass envelope; (f) said electron gun, said mirror and said target being disposed in said envelope; (g) said electron gun, said mirror, said target and said corrector plate being disposed along an optic axis; (h) a first mount including only a single post portion extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (i) a second mount having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (j) a third mount having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mount carrying said target; (k) a first screw for locking said second mount with respect to said first mount; (l) a plurality of second screws for locking said third mount with respect to said second mount; (m) a tubular can in said envelope for carrying said first mount; (n) at least three leaf springs extending from said can and biased toward said envelope; (o) said first mount, said second mount, said third mount, said can and said leaf springs being composed of metal; (p) said target including an aluminum substrate, a copper-nickel alloy intermediate stratum and a phosphor coating stratum.

Claim 18

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) a forwardly directed electron gun; (b) a rearwardly concave phosphor target; (c) a forwardly directed converging mirror having a central aperture; (d) a forwardly positioned corrector plate; (e) an evacuated glass envelope; (f) said electron gun, said mirror and said target being disposed in said envelope; (g) said electron gun, said mirror, said target and said corrector plate being disposed along an optic axis; (h) a first mount including only a single post portion extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (i) a second mount having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (j) a third mount having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mount carrying said target; (k) a first screw for locking said second mount with respect to said first mount; (l) a plurality of second screws for locking said third mount with respect to said second mount; (m) a tubular can in said envelope for carrying said first mount; (n) at least three leaf springs extending from said can and biased toward said envelope; (o) said first mount, said second mount, said third mount, said can and said leaf springs being composed of metal; (p) said target including an aluminum substrate, a copper-nickel alloy intermediate stratum and a phosphor coating stratum.

Claim 19

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) forwardly directed electron source means; (b) rearwardly directed phosphor target means; (c) forwardly directed converging mirror means having an aperture; (d) forwardly positioned corrector means; (e) evacuated envelope means; (f) said electron source means, said mirror means, said target means and said corrector means being disposed along an optic axis; (g) first mounting means including post means extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (h) second mounting means having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (i) third mounting means having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mounting means carrying said target means; (j) first screw means for locking said second mounting means with respect to said first mounting means; and (k) second screw means for locking said third mounting means with respect to said second mounting means.

Claim 20

A television projector comprising a plurality of color separation assemblages, each including, along an optic axis: (a) forwardly directed electron source means; (b) rearwardly directed phosphor target means; (c) forwardly directed converging mirror means having an aperture; (d) forwardly positioned corrector means; (e) evacuated envelope means; (f) said electron source means, said mirror means, said target means and said corrector means being disposed along an optic axis; (g) first mounting means including post means extending radially toward said optic axis and a bearing portion having an inner cylindrical bearing surface with an axis coinciding with the optic axis; (h) second mounting means having an outer cylindrical bearing surface and an inner spherical bearing surface, said outer cylindrical bearing surface being slidable within said inner cylindrical bearing surface; (i) third mounting means having an outer spherical bearing surface being pivotally seated in said inner spherical bearing surface, said third mounting means carrying said target means; (j) first screw means for locking said second mounting means with respect to said first mounting means; and (k) second screw means for locking said third mounting means with respect to said second mounting means.