F-Term-List

G03B21/00@D-21/00@Z;21/10@Z;21/134-21/30;33/12

FA00
MODEL 1 (DRAWINGS, PROBLEMS OF THE WORKING EXAMPLES)

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

. Image generation methods

. . Secondary electronic space light modulator

. . . Displays the multiple colors at the same time.

. . . Displays the color by splitting.

. . . . Optical means to generate one color at one time

. . . . . Color wheel

. . . . . Fluorescent wheel

. . . . Optical means to generate the more than two colors at the same time

. . . . Drives light-emitting device by timeshared

FA12

FA13

FA15

FA16

FA17

FA20

. . Scanning light beam on the projection plane

. . . Primary electronic space light modulator

. . Light source array to be modulated

. . CRT

. . OHP, film or slide

. . Other image generation method (*)

FA21

FA22

FA23

FA24

FA25

FA30

. Kinds of electronic space light modulator

. . LCD

. . . Transparent type LCD

. . . Reflective type LCD

. . Micro mirror device

. . Other electronic space light modulator (*)

FA31

FA32

FA33

FA34

FA35

FA36

. Number of display panels

. . One piece of display panels

. . Two pieces of display panels

. . Three pieces of display panels

. . Four pieces of display panels

. . More than five pieces of display panels

FA41

FA42

FA43

FA44

FA45

FA50

. Types of light sources

. . White heat light sources

. . Gas discharge light sources

. . LED or laser light sources

. . . Utilization of secondary light discharge (Fluorescent lamps)

. . Other light sources (*)

FA51

FA52

FA53

FA54

. Multiple light sources

. . Multiple white color light sources

. . Combination of white color light sources and color light sources

. . Multiple color light sources

FA61

FA62

FA63

FA64

FA65

FA66

FA67

. Types and locations of projected planes

. . Screen

. . . Curved face screen

. . . Multiple screen, multi-facets screen

. . . Fluorescent screen

. . . Screens which backgrounds can be visible

. . . Reflectance or controllable screen for transmissivity

FA72

FA73

FA74

FA75

FA76

FA77

FA78

FA79

FA80

. . White board, electronic black board

. . Table, desk

. . Ceilings

. . Architecture (Exterior walls, pillars, windows, etc.)

. . Floor, roads, grounds

. . Doom, theater, planetarium

. . Fluid (liquid, gas)

. . Articles (Book, documents, etc.)

. . Other plane of projection

FA81

FA82

FA83

FA84

. Angle of projection direction onto plane of projection

. . Projects onto the front (Observer side) of plane of projection

. . Projects onto the back of plane of projection (Rear projection)

. . Projection onto the front and the back of the plane of projection

FA91

FA92

FA93

FA94

FA95

FA96

FA97

. Special projection method onto plane of projection

. . Projects onto multiple locations by one unit

. . Projects onto continuous multiple locations by multiple units

. . . Improvement of boundaries and joint sections

. . . Main body stacked type

. . Projects onto multiple locations getting apart from by multiple units

. . Projects onto one location by multiple units (superimposed projection)

FB00
MODEL 2 (DRAWINGS OF WORKING EXAMPLES AND PROBLEMS)

FB01

FB02

FB03

FB04

FB05

FB06

FB07

FB08

FB09

. Installation methods of main body

. . Integral type of a screen (Rear projection, etc.)

. . Screen separated type

. . . Place positive

. . . Ceiling hanging

. . . Wall-mounting, wall surface fixation

. . . Fixation on an object (support, frame, car, etc.)

. . . Hand-held, portable type (Pico projector, etc.)

. . . Short focus projection (Mirror type)

FB11

FB12

FB13

FB14

FB15

FB16

FB17

FB18

. Special display

. . Those which perform the display of mono color or two colors

. . Those which perform the display of more than four colors

. . Those which perform the solid display

. . . Time division display of the left-eye image and the right-eye image

. . . Simultaneous display of the left-eye image and the right-eye image

. . Those which are used in common of the illumination system

. . Those which perform the display by invisible rays

GA00
LIGHT SOURCE SECTION OR ILLUMINATION SECTION (SCOPE OF CLAIMS)

GA01

GA02

GA03

GA04

GA05

GA06

GA08

GA09

GA10

. Light source's characteristic components

. . Arc tubes, light emitting elements

. . . Array arrangements

. . Reflector for light sources

. . . Reflection plane

. . . Shape

. . Other optical elements (->HA)

. . Means for safety in the light sources

. . Details of a lamp house

GA11

GA12

GA13

GA14

GA15

GA16

GA18

GA19

GA20

. Characteristics of light sources, etc.

. . Position of light sources, direction, arrangements, align

. . Arrangements or controls of the position of light sources (->HB01-10)

. . Control of light sources other than the position or intensity

. . . Control when in normality

. . . Control when in abnormality

. . Installation of light sources, positioning, replacement, etc.

. . Manufacturing of light sources (Other than installation, etc.)

. . Other characteristics of light source, optical elements and details (->HB)

GA21

GA22

GA23

GA24

GA25

GA26

GA27

. Illumination optical system's characteristic components, characteristics

. . Reflective mirror during fluxing of the light of illumination (->HA02-08)

. . Polarization elements during fluxing of the light of illumination (->HA)

. . . Polarization elements near the light sources (->HA)

. . Homogenization of illumination light, forming means thereof (->HA)

. . Adjustment means homogenization of illumination light, molding means (->HA)

. . Optical systems for illumination light reuse (->HA)

GA32

GA33

GA34

GA35

GA36

GA37

GA39

GA40

. . Illumination light color duration separation optical systems (->HA)

. . Illumination light color separation optical systems (->HA)

. . Illumination light color synthetic optical systems (->HA)

. . Illumination light color conversion optical systems (->HA)

. . Other optical elements (->HA)

. . Details of illumination optical system (Other than optical elements)

. . Installation, etc. of illumination optical system, manufacturing

. . Illumination optical system, optical elements, detail other characteristics (->HB)

GA41

GA42

GA43

GA44

GA45

GA46

GA47

GA49

GA50

. Control of illumination light, detection (->GA51-60)

. . Control of illumination intensity

. . . Control of light sources (Those regarding illumination intensity)

. . . . Light quantity control of light sources

. . . . Light emitting timing control of light sources

. . . . Turning off of light sources, electricity shut off to light sources

. . . Control of adjustment means of illumination light quantity (distribution)

. . Illumination position, adjustments or controls of illumination directions

. . Detection of illumination light

GA51

GA52

GA53

GA54

GA55

GA56

GA57

GA59

GA60

. Types of control of illumination light (->GA41-49)

. . Control when in normality

. . . Control when in special modes

. . . Control of color balances

. . . Control when in light source deterioration

. . . Control for prevention of light source deterioration

. . Control when in abnormality

. . Ganging to the detection signals of the detection means

. . Ganging to the image signals

GB00
IMAGE SECTION (SCOPE OF CLAIMS)

GB01

GB02

GB03

GB04

GB05

GB08

GB09

GB10

. Characteristic components of the display panels

. . Display panel main body

. . Dustproof transparent substrates

. . Display panel color separation optical systems (->HA)

. . Optical systems for light utilization efficiency improvement (->HA)

. . Other optical elements (->HA)

. . Case, frame for display panels

. . Details of display panels (Other than optical elements)

GB11

GB12

GB13

GB14

GB15

GB16

GB17

GB18

GB19

GB20

. Characteristics of display panels, etc.

. . Position, direction and alignment of display panels

. . . Arrangements of display panels for pixel deviations

. . Arrangements or controls of the position of display panels(->HB01-10)

. . Control of the display panels other than the position or the display image (->GB61-69)

. . Installation, positioning, etc. of the display panels

. . . Against the image synthetic optical systems

. . . Against the enclosure

. . Manufacturing of display panels (Other than installation, etc.)

. . Display panels, optical elements, and the detailed other characteristics (->HB)

GB21

GB22

GB23

GB24

GB25

GB26

GB27

GB28

GB29

GB30

. Characteristic components and characteristics of image section optical systems

. . Image synthetic optical systems (->HA)

. . . Image light synthetic optical systems (->HA)

. . . Duplex modulation (Intermediate image formation) (->HA)

. . Separation optical systems for illumination light image light (->HA)

. . Image shift image section optical systems (->HA)

. . Other optical elements (->HA)

. . Detail part of the image section optical systems (Other than optical elements)

. . Manufacturing such as installation of the image section optical systems

. . Image section optical systems, optical elements, the detail part's other characteristics (->HB)

GB31

GB32

GB33

GB34

GB35

GB36

GB37

GB38

GB39

GB40

. Control of display images, detection of image light (->GB61-69)

. . Display image

. . . Picture images

. . . Operation screen, image for setting screen

. . . Image for calibration

. . . Image for notification (on screen display)

. . . White image, single color image (for illumination, etc.)

. . . Black image (Video mute, black image insertion, etc.)

. . . Synthetic images

. . . . Pointer, synthetics of written-in image

GB42

GB43

GB44

GB45

GB46

GB47

GB48

GB49

. . Signal processing, correction of image data, image processing

. . . Color signal processing, color correction

. . . Luminance signal processing, luminance correction

. . . Gray level correction, gamma correction

. . . Shape correction

. . . . Warp correction

. . . Position correction

. . . Signal synchronization, timing correction

GB53

GB54

GB55

GB56

GB60

. . . Image processing

. . . . Image inversion, image rotation

. . . . Display area separation

. . . Records of image data, memory

. . . Image light, detection of unnecessary light

GB61

GB62

GB63

GB64

GB69

. Types of control of the display panels (->GB15,31-56)

. . Control when in normal

. . . Control when in a specific mode

. . Control when in abnormal

. . Gang to the detection signals of detection means

GC00
PROJECTION SECTION OR PROJECTION PLANE (SCOPE OF CLAIMS)

GC01

GC02

GC03

GC04

GC05

GC06

GC07

GC08

GC09

GC10

. Characteristic components of projection optical systems

. . Projection lenses

. . . Lens design in lens-barrel (->HA62-76)

. . . Other optical elements in lens-barrel (->HA)

. . Reflective mirror during fluxing of light of the projection (->HA02-08)

. . Projection light quantity (distribution) adjustment means (->HA)

. . Pixel shift projection optical systems (->HA)

. . Shutter for the projection lens protection

. . Other optical elements (->HA)

. . Lens-barrel, detail part of the projection optical systems (Other than optical elements)

GC11

GC12

GC13

GC14

GC15

GC16

GC17

GC19

GC20

. Characteristics such as projection optical systems

. . Position, direction, arrangement and alignment of the projection optical systems

. . Position adjustments or control of the projection optical systems (->HB01-10)

. . . Projection lens shift

. . Adjustments of the projection optical systems other than the position

. . Focus

. . Scaling, zoom

. . Manufacturing such as installation of the projection optical systems

. . Projection optical systems, optical elements and other characteristics of the detail part (->HB)

GC21

GC22

GC23

GC24

GC25

GC26

GC27

GC29

GC30

. Projection plane's characteristic components, characteristics

. . Screen main body

. . Optical elements other than the screen main body (->HA)

. . Detail part of projection plane (other than optical elements)

. . Position, direction, arrangement, alignment of projection plane

. . Adjustments or controls of the position of projection plane (->HB01-10)

. . Control of the projection plane other than the position (a reflection coefficient, etc.)

. . Manufacturing such as installation of projection planes

. . Projection plane, optical elements and other characteristics of the detail part (->HB)

GC31

GC32

GC33

GC39

GC40

. Control and detection of projection light

. . Control of projection strength

. . . Control of adjustment means of projection light quantity (distribution)

. . Position of projection, adjustments or controls of the projection directions

. Detection of projection light

HA00
OPTICAL SYSTEM 1 (SCOPE OF CLAIMS)

HA01

HA02

HA03

HA04

HA05

HA06

HA07

HA08

HA10

. Optical elements (<-GA-GC, LA04)

. . Mirror, reflective members

. . . Plane mirror

. . . Curved mirror

. . . Half mirror

. . . Vibration mirror, scanning mirror

. . . Polygon mirror

. . . Reflective film, reflective section

. . Reflective prevention film

HA12

HA13

HA14

HA15

HA16

HA17

HA19

. . Dichroic optical elements

. . . Dichroic prism

. . . Dichroic mirror

. . . Dichroic filter or film

. . . Utilization polarization dependency of a reflection coefficient or transmittance

. . UV cut, IR cut filter or film

HA22

HA23

HA24

HA25

HA27

HA28

HA29

HA30

. . Color filter

. . . Fixed one

. . . Movable one

. . . . Color wheel

. . Wavelength conversion means (phosphors., etc.)

. . . Fixed one

. . . Movable one

. . . . Fluorescent wheel

HA32

HA33

HA34

HA35

HA36

HA37

HA38

. . Polarization means

. . . Polarization plates

. . . . Reflective type polarization plates (Wire grid, etc.)

. . . Polarization beam splitter

. . . Polarization conversion means of random polarization

. . . Utilization of wavelength dependency of a reflection coefficient or transmittance

. . . Utilization angle dependency of a reflection coefficient or transmittance

HA42

HA43

HA44

HA45

HA48

. . Phase change means (Polarization rotation means)

. . . Wavelength plates

. . . Those which change the phase of the specific wavelength ranges

. . . Those which are controllable for the phase, polarization rotation angle

. . Multi-refractive optical elements

HA52

HA53

HA54

HA55

HA56

HA57

HA58

HA59

HA60

. . Light quantity (distribution) adjustment means, shielded means, light absorption means

. . . Shutter, aperture, aperture

. . . . One which light-tight is fixed

. . . . One which light-tight is variable

. . . Light-tight (light absorption) film, light-tight (light absorption) section

. . . Electric optical device (Liquid crystal panel, etc.)

. . . . Those which control the light quantity distribution

. . . Light quantity (distribution) adjustment filter

. . . . ND filter

HA62

HA63

HA64

HA65

HA66

HA67

HA68

HA69

HA70

. . Lens

. . . Fresnel lens

. . . Lenticula lens

. . . Lens array

. . . . Fly eye, integrators lens

. . . Convex lens

. . . Concave lens

. . . Micro lens

. . . Cylindrical lens

HA73

HA74

HA75

HA76

HA79

HA80

. . . Aspheric lens

. . . Collimated lens

. . . Relay lens

. . . Beam expander

. . Transparent plates

. . . having convexes and concaves on the surface

HA82

HA83

HA84

HA86

HA87

HA88

HA89

. . Prism

. . . Interior total reflection (TIR) prism

. . . Rotation prism

. . Light guiding means

. . . Rod integrator, light tunnel

. . . . Taper-like one

. . . Optical fiber

HA92

HA93

HA95

HA97

HA99

. . Diffusion means

. . . Movable one (Vibration diffusion plates, etc.)

. . Diffraction grating

. . Hologram

. . Other optical elements (*)

HB00
OPTICAL SYSTEM 2 (SCOPE OF CLAIMS)

HB01

HB02

HB03

HB04

HB05

HB06

HB07

HB08

HB09

HB10

. Adjustments or controls of the position or the directions (<-GA-GC, HA)

. . Timing

. . . When in no use (When in manufacturing, in maintenance, etc.)

. . . During standby periods (When in calibration, etc.)

. . . During projection periods

. . Direction

. . . Light axis of incident light flux and parallel

. . . Light axis of incident light flux and the vertical in-plane

. . . Rotation

. . Vibration

HB11

HB12

HB13

HB14

HB15

HB16

HB17

HB18

HB19

HB20

. Characteristics of optical elements, etc. (<-GA-GC, HA)

. . Light path change

. . Light path shift (Other than pixel deviation)

. . Image distortion's optical correction (trapezoid correction, etc.)

. . Aberration correction

. . Trimming, color purity change

. . (Non-) telecentric

. . Aspect ratio, aspect ratio adjustments

. . Optical characteristics, light-emitting characteristic spectrum

. . Control such as optical elements other than the position or the direction

HB22

HB23

HB24

HB25

HB26

HB27

HB28

HB29

HB30

. . Position, direction, arrangement, align of optical elements, etc.

. . . Slope light axis, shift light axis of optical systems

. . . Optical elements are tilted and shifted against the light axis of optical systems

. . Equation, parameter identification, numerical value restriction

. . Material

. . Deformation possible

. . Installation, positioning, attachment and detachment, etc. of optical elements, etc.

. . Manufacturing of optical elements, etc. (Other than installation, etc.)

. . Other characteristics (*)

KA00
COMPONENTS OTHER THAN OPTICAL SYSTEMS (SCOPE OF CLAIMS)

KA01

KA02

KA03

KA04

KA05

KA06

KA07

KA08

KA09

KA10

. Housing detail part

. . Legs, mounting tables

. . . Position of vertical direction (Height) or angle adjustments

. . . Position of horizontal directions or angle adjustments

. . Installation apparatus

. . . For ceiling-hung, wall-hung

. . Case, enclosure

. . Projection lens cover, light-shielding means

. . Air filter (for dust-proof, etc.)

. . Other housing detail part (*)

KA11

KA12

KA13

KA14

KA15

KA16

KA17

KA18

KA19

KA20

. Electrical parts

. . Power source

. . . Power source part for main body

. . . Power source part for light sources

. . . Solar battery, electromotive force generation elements

. . . Battery charger, dry battery

. . Circuit board

. . Wiring, cord, FPC

. . I/O interface (I/O terminal, etc.)

. . Electromagnetic shield

KA22

KA23

KA24

KA25

KA26

KA27

KA28

KA29

KA30

. . Annunciating means

. . . Display part

. . . Light-emitting element

. . . Sound generation section (Speaker, etc.)

. . . Vibration or scent generated section

. . Operation section (Operation button, touch panels, etc.)

. . Communication section (Light, infrared, radio, etc.)

. . Memory media, memory elements

. . Other electric parts (*)

KA31

KA32

KA33

KA34

KA35

KA36

KA37

KA38

KA39

KA40

. Detection means (Other than the temperature)

. . Main body information or acquisition of states

. . . Main body position, move or detection of postures

. . Information of light source or acquisition of states

. . Information of display panes or acquisition of states

. . Information of projection plane or acquisition of states

. . . Detection of the position relations of main body and projection plane

. . Information of optical systems or optical elements or acquisition of states

. . Information of machine elements or acquisition of states

. . . Rotation number of a fan, detection of rotation speeds

KA42

KA43

KA44

KA45

KA46

KA47

KA48

KA49

KA50

. . Detection of man (Observer, etc.)

. . Detection of an object (Obstruction, etc.)

. . Detection of height, position and distance

. . Detection of angle, direction

. . Detection of speeds, acceleration degree

. . Detection of velocity, quantity of an air

. . Detection of barometric pressure, humidity

. . Detection of voltage, current, electric power and signal

. . Detection of sounds

KA52

KA53

KA54

KA55

KA56

KA57

KA58

KA59

KA60

. . Light sensor

. . . Detection of external light and environment light

. . . Light quantity detection of light sources and projection planes

. . Image pickup means, light sensor array

. . . Projection plane, image pickup of the image on the projection plane

. . . Image pickup of manuscripts

. . . Image pickup of landscapes, background, humans, faces, etc.

. . . Light quantity distribution of optical systems, detection of light flux position

. . Other detection means (*)

KA61

KA62

KA63

KA64

KA65

KA66

KA67

KA68

KA69

KA70

. Characteristics of components other than optical systems

. . Adjustments or controls of the position or the direction

. . . Automatic (Motor, actuator, etc.)

. . . Manual

. . . Vibration

. . Control of components other than the position or the direction

. . Auxiliary projection, instruction means, auxiliary illumination

. . . Projects another auxiliary objects at the same time (Captions, etc.)

. . . Instruction means (Light pointer, etc.)

. . . Auxiliary illumination (Decorations, etc. of projection planes)

KA72

KA73

KA74

KA75

KA76

KA77

KA78

KA79

KA80

. . Position, direction, arrangement, align of the main body

. . Position, direction, arrangement, alignment of components in the main body

. . Disassembling, folded accommodation

. . Equation, parameter identification, numerical value restriction

. . Materials

. . Deformable

. . Installation of components, positioning, attachment and detachment, etc.

. . Manufacturing of components (Other than installation, etc.)

. . Other characteristics (*)

KA81

KA82

KA83

KA84

KA85

KA86

KA87

KA88

KA89

KA90

. Combination with other device, communication and signal input

. . Projector-to-projector

. . Control system (Server, PC, etc.)

. . . Setting and monitoring of the projector

. . Image input system (Digital camera, tuner, etc.)

. . Printer or printing device

. . Signal input system or methods

. . . Remote control system, short range radio communication

. . . Position-input devices (Input pens, etc.)

. . Other system (*)

KA91

KA92

KA93

KA94

KA95

KA96

KA99

. Components and characteristics other than the projector main body

. . Inspection system

. . Those which are related installation and accommodation of the main body

. . Those which involve in the visual environment

. . . Those which involve in illumination and daylighting of the visual environment

. . Those which involve in maintenance, repairs, disposal of the main body

. . Other components and characteristics (*)

LA00
TEMPERATURE (SCOPE OF CLAIMS)

LA01

LA02

LA03

LA04

LA05

LA06

LA10

. Target (->LA11-18, LA21-60)

. . Light source section

. . Image section

. . Optical elements (->HA)

. . Power supply section

. . Whole part in the enclosure

. . Other target (*)

LA11

LA12

LA13

LA14

LA15

LA18

. Cooling, prevention of excessive heating (->LA01-10, LA21-60)

. . Air cooling

. . . Those which circulate gas in the air-tight space

. . Liquid cooling

. . . Those which circulate liquids in the air-tight space

. Heating (->LA01-10, LA21-60)

LA21

LA22

LA23

LA24

LA25

LA26

LA27

LA28

LA29

LA30

. Temperature related means (->LA01-18)

. . Fan

. . . Intake fan

. . . Exhaust fan

. . Breather

. . . Intake port

. . . Exhaust port

. . Draft path

. . . Duct, draft tubes

. . Open/close means of draft port or draft path

LA32

LA33

LA34

LA35

LA36

LA37

LA38

LA39

LA40

. . Cooling air guide

. . . Cooling air plates

. . . Louver

. . . Sprayed means

. . Discharging means

. . . Heat sink, heat pipes

. . Heat pumps, heat pipes

. . Peltier elements

. . Heater

LA42

LA43

LA46

LA47

LA48

LA50

. . Heat absorption, heat reflection, heat shield or heat isolation means

. . Insulated members

. . Temperature detection means (Temperature sensor)

. . . Internal temperature

. . . External temperature (Environment temperature)

. . Other means (*)

LA51

LA52

LA53

LA54

LA55

LA56

LA57

LA58

LA59

LA60

. Characteristics of temperature related (->LA01-18)

. . Amounts or speeds of fluid (Volume of air, velocity, etc.)

. . Direction of fluids (Wind direction, etc.)

. . Positions, directions, arrangements and alignment of the temperature related means

. . Arrangements or controls of the position or the direction of the temperature related means

. . Control of operation of temperature related means

. . . Controls of a fan (Rotating number, etc.)

. . Control other than temperature related means

. . . Control of exothermic sources (Light sources, etc.)

. . Other characteristics (*)

MA00
PURPOSE (SCOPE OF CLAIMS)

MA01

MA02

MA03

MA04

MA05

MA06

MA07

MA08

MA09

MA10

. Image quality improvement

. . Contrast improvement

. . Dynamic range improvement

. . Luminance, brightness improvement

. . Luminance unevenness, color unevenness moire improvement

. . Color balance, color purity, color regeneration improvement

. . Distortion prevention, aberration improvement

. . Speckle prevention

. . Flicker prevention, flicker prevention

. . Animation unsharp improvement, image unsharp prevention

MA11

MA12

MA13

MA14

MA15

MA16

MA17

MA18

MA19

MA20

. Safety, reliability improvement

. . Heat measures, cooling

. . Fire prevention, extinguishing

. . Longevity, deterioration prevention, deterioration handling

. . Electromagnetic noise measures

. . Protection from projection light

. . Antitheft, security

. . Anti-dust, cleaning

. . Vibration isolation

. . Water-proof, prevention of condensation

MA21

MA22

MA23

MA24

MA26

MA27

MA28

MA29

MA30

. Convenience, amenity improvement

. . Start-up high speediness, waiting time shortened

. . Operability improvement, easy settings

. . Sound proofing, low noises

. High definition, high resolution

. Wide view, view angle restraints

. Prevention of secretly videotaping

. Electronic conference, presentation-capable

. By application responding (Education, entertainment, advertising, medical, etc.)

MA31

MA32

MA33

MA35

MA36

MA37

MA38

MA40

. Low power consumption

. Compactness, light weight, portability reinforcement

. Disassembly or folding of the main body

. Easy manufacturing, productivity improvement, cost reduction

. Test, inspection, test, evaluation

. Maintenance, repairs, disposal

. Light source, replacements of parts, etc.

. Other purpose (*)

2K203	PROJECTION APPARATUS
	G03B21/00 -21/10@Z;21/12-21/13;21/134-21/30;33/00-33/16