US4246603A — Wide angle television display system

Claim 1

Independent Claim 42 words

In a wide angle television display system the combination of a plane annular input-circularly arranged screen output optical system and means for a constant spherical-angular speed scanning at the display of several constant elevation angular distances spaced display lines forming the display.

Claim 2

Dependent Claim 42 words

In a wide angle television display system the combination of a plane annular input-circularly arranged screen output optical system and means for a constant spherical-angular speed scanning at the display of several constant elevation angular distances spaced display lines forming the display.

Claim 3

Dependent Claim 27 words

In a wide angle television display system as defined in claim 1, said plane annular input-circular output optical system being a plane annular input-spherical output optical system.

Claim 4

Dependent Claim 47 words

In a wide angle television display system as defined in claim 1, said display lines being scanning lines of a television channel falling between an elevation angle of 45° and the maximum elevation angle and/or falling between a depression angle of 45° and the maximum depression angle.

Claim 5

Dependent Claim 48 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display having a constant scanning time per steradian in each channel over at least 60% of the display area.

Claim 6

Dependent Claim 19 words

In a wide angle television display system as defined in claim 1, in which said display lines form circles.

Claim 7

Dependent Claim 19 words

In a wide angle television display system as defined in claim 1, in which said display lines form spirals.

Claim 8

Dependent Claim 43 words

In a wide angle television display system as defined in claim 1, means to generate sinusoidal line deflection signals (voltages or currents) of frequencies whose periods are proportionate to the cosine of the angle between the horizon line and the momentary display line.

Claim 9

Dependent Claim 81 words

In a wide angle television display system as defined in claim 1, means to generate sinusoidal line deflection signals (voltages or currents) of frequencies whose periods are proportionate to the cosine of the angle between the horizon line and the momentary display line and of amplitudes which change in each channel from line to line such that successive display circles or spirals of each channel are progressing by a constant elevation-angular amount within the constant spherical angular speed scanning display area.

Claim 10

Dependent Claim 81 words

In a wide angle television display system as defined in claim 1, means to generate sinusoidal line deflection signals (voltages or currents) of frequencies whose periods are proportionate to the cosine of the angle between the horizon line and the momentary display line and of amplitudes which change in each channel from line to line such that successive display circles or spirals of each channel are progressing by a constant elevation angular amount for all said display lines forming the display.

Claim 11

Dependent Claim 57 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning comprising a line deflection signal generator of a channel which provides single sine and cosine periods of frequencies which are proportionate to the secant of the angle between the line to be displayed and the horizon line.

Claim 12

Dependent Claim 45 words

In a wide angle television display system as defined in claim 1, in which said means for a constant spherical-angular speed scanning provide only a β/2π part of the cycles of single sine and cosine deflection signals, wherein β is the azimuthal range covering angle.

Claim 13

Dependent Claim 69 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a line deflection signal generator of a channel which provides parts of single sine and cosine periods of frequencies which are proportionate to the secant of the angle between the line to be displayed and the horizon line.

Claim 14

Dependent Claim 47 words

In a wide angle television display system as defined in claim 1, the elevation respectively the depression angle of display points of said plane annular input-circularly arranged screen output optical system being linearly proportionate to the radius of the corresponding source points of the plane annular input.

Claim 15

Dependent Claim 38 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a varying line scanning time signal generator.

Claim 16

Dependent Claim 41 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a flying spot scanner-diaphragm-photocell varying line scanning time signal generator.

Claim 17

Dependent Claim 42 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a rotary line scanning starting and line scanning ending signal generator.

Claim 18

Dependent Claim 49 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a varying line scanning time signal generator and a line scanning time to sine and cosine wave converter.

Claim 19

Dependent Claim 60 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a varying line scanning time signal generator and a line scanning time to sine and cosine wave converter, said converter comprising a sine and a cosine gray scale diaphragm.

Claim 20

Dependent Claim 56 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a rotary line scanning starting and line scanning ending signal generator, said rotary signal generator providing amplitude control signals for the display deflection signal generator.

Claim 21

Dependent Claim 45 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a sine and cosine or parts thereof deflection wave signal rotary recording medium generator.

Claim 22

Dependent Claim 53 words

In a wide angle television display system as defined in claim 1, said means for a constant spherical-angular speed scanning at the display of several display lines forming the display comprising a rotary recording medium signal generator, said generator having a multiple signal pickup system to provide signals for a multi-channel interlacing display.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1984-01-20	1984-07-21	1985-01-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1988-01-20	1988-07-21	1989-01-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1992-01-20	1992-07-21	1993-01-20	$7700.00	Window Closed / Lapsed

Wide angle television display system

Abstract

Inventors

Bibliographic Details

Claims Analysis

References Cited (Backward Citations)

USPTO Annuity & Maintenance Windows

Assigned Categories & Tags

Assign Category Tag