projectors and connectors 17022004

8/8/2019 Projectors and Connectors 17022004

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Projectors andProjectors andConnectorsConnectors An Overview by An Overview by Frits Handgraaf Frits Handgraaf

June 2001 June 2001 Version 1.0 Version 1.0

Update February 17, 2004Update February 17, 2004


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Scope:Scope:

T o present the philosophy about projector T o present the philosophy about projectorexistenceexistence

T o provide an overview of connection T o provide an overview of connectionpossibilitiespossibilities

And what they are fore And what they are fore

T o discuss standards and there meaning in T o discuss standards and there meaning inthe market placethe market place


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Digital Pr ocess ing Sys temsDigital Pr ocess ing Sys tems

I nput Processing Output

A processing system is transforming input data into aformatted output. Example:

TTY HostComputer

Printer


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Digital Pr ocess ing Sys temDigital Pr ocess ing Sys tem

T odays best known digital processing system: the PC

Processor

Monitor

Keyboard

And the laptop PC


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PC and P eri phe ralsPC and P eri phe rals

CD drive Scanner

PrinterMonitor

Modem


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PC and Pr ojec torPC and Pr ojec tor

A projector can show a bigger image than any monitor A projector is seen by the PC as a monitor A projector is connected to a PC as a monitorT he projector can communicate to the PC

Like an intelligent monitor (DDC, ED I D, Plug and Play)Like a mouseLike a USB deviceLike a LAN deviceLike a WiFi device

Actually, a projector is also a digital processing device


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T he standard wa y to co nn ec t a T he standard wa y to co nn ec t a projec tor to PC projec tor to PC

VESA or VGA connector VESA or VGA connector VESA: Video Electronics Standard VESA: Video Electronics Standard Association Association VGA: Video Graphics Array VGA: Video Graphics Array

By I BM 1987By I BM 1987640*480, 16/256 colors640*480, 16/256 colorsFemale HD 15 pin (3* 5)Female HD 15 pin (3* 5)

RGBHV embeddedRGBHV embedded

VESA ? VGA ?

Y es !


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Projec tor to Work stati on or N etw ork Projec tor to Work stati on or N etw ork term inalterm inal

Workstation adapter cables from 13W3 Workstation adapter cables from 13W3(SUN, SGI , I BM) to VESA(SUN, SGI , I BM) to VESARGBHV cabling from HP workstations andRGBHV cabling from HP workstations andgeneral network terminalsgeneral network terminalsRGBHV (= 5* BNC) used in (older) ceiling RGBHV (= 5* BNC) used in (older) ceiling mount applicationsmount applications

RGBHV BNC(coax)


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the n Wind o w s and mouse co ntr ol the n Wind o w s and mouse co ntr olcame up came up

Serial mouse with DOS and early Windows versionsSerial mouse with DOS and early Windows versionsNew I BM platform (PS/2) brought the PS/2 mouseNew I BM platform (PS/2) brought the PS/2 mouse

Windows98 and later also support the USB mouse Windows98 and later also support the USB mouseMouse control allows the presenter to control the PC mouse,Mouse control allows the presenter to control the PC mouse,

start up and control applications (e.g. next and previous slidestart up and control applications (e.g. next and previous slidein PowerPoint).in PowerPoint).

With projectors, the I R receiver in the projector passes on With projectors, the I R receiver in the projector passes onremote control codes which are translated to mouseremote control codes which are translated to mousecommands back to the PCcommands back to the PC


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M ouse co nn ec tionsM ouse co nn ec tions

T he projector is passing on the signals, translated into PC T he projector is passing on the signals, translated into PCmouse commands, so that Windows and Applications canmouse commands, so that Windows and Applications canrespond.respond.

I R receiver

Mouse cable LeftRight

Positioning


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M ouse co nn ec tionsM ouse co nn ec tions

USBUSBPS/2PS/2SerialSerial

Microsoft Standard serialMicrosoft Standard serial

C60 connections

USB-B

PS/2 and

Serial (via adapter)


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U SB U SB U niv ersal Serial BusU niv ersal Serial Bus

New interface to connect peripherals to PCNew interface to connect peripherals to PCUp to 127 devices can be connectedUp to 127 devices can be connectedSeries A connectorSeries A connector

Defined for permanently attached devices, such asDefined for permanently attached devices, such askeyboards, mice and hubskeyboards, mice and hubs

Series B connectorSeries B connectorDefined for detachable devices such as printers,Defined for detachable devices such as printers,

scanners and modemsscanners and modemsMaximum cable length 5 meterMaximum cable length 5 meter


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Cabl e WizzardCabl e Wizzard

I nFocus inventionI nFocus inventionConnects VGA, mouse (PS/2 and USB),Connects VGA, mouse (PS/2 and USB),audio and serial control via single cableaudio and serial control via single cable


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Cabl e WizzardCabl e Wizzard

CW2 and CW3CW2 and CW3I ncludes PC signal amplifier for ceiling I ncludes PC signal amplifier for ceiling mount applications, via optional extensionmount applications, via optional extensioncablecableCW3 smaller for travelling CW3 smaller for travelling


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T he ne w digital co nn ec tion T he ne w digital co nn ec tion

DV I DV I Digital Visual I nterfaceDigital Visual I nterfaceBetter images, more stable, more contrastBetter images, more stable, more contrastGraphics signal supplied in digital formatGraphics signal supplied in digital formatNo digital to analog to digital conversionsNo digital to analog to digital conversionsrequired (A/D converter, sampling))required (A/D converter, sampling))


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DVIDVI

ASK is (WAS) using a DV I ASK is (WAS) using a DV I --I connectorI connectorI nFocus is using a M1DA connectorI nFocus is using a M1DA connectorT he DV I T he DV I --I connector is smaller and has lessI connector is smaller and has lesspinspins


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DVI v s M1 DA?DVI v s M1 DA?

DV I DV I DD igitaligital V V isualisual IInterfacenterfaceDV IDV I --I (I ntegrated)I (I ntegrated)

Digital ComputerDigital Computer Analog Computer Analog Computer

(USB Mouse is separate)(USB Mouse is separate)M1DAM1DA

Digital ComputerDigital Computer Analog Computer Analog Computer

USB MouseUSB MouseT here is no right or wrong T here is no right or wrong

But we should get to a common standardBut we should get to a common standard

M1 DA

DVI-I

DVI-D DVI-A

ExtendedFunctinality

Fullfunctionality

Digitalonly

Analog only


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Vid eo Vid eo

Moving images (film, 24 frames/sec)Moving images (film, 24 frames/sec)Most projectors feature Composite and SMost projectors feature Composite and S--

video connectors video connectorsNew products feature component videoNew products feature component video

S-VideoComposite video

Audio (Red is Right)


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L P130 videoL P130 video

New CSV connectorNew CSV connector Allows Composite as well as S Allows Composite as well as S--video input video inputT oo little space for standard RCA or S T oo little space for standard RCA or S--Video Video


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Vid eo categories Vid eo categories

Component video (RGB, RGsB,RGBc,RGBHV)Component video (RGB, RGsB,RGBc,RGBHV)Colors separatedColors separated

Component video ( Y , R Component video ( Y , R-- Y , B Y , B-- Y ) Y )Luminance, RedLuminance, Red Luminance, BlueLuminance, Blue -- LuminanceLuminance

SS--Video VideoY /C: video signal separated into Luminance ( Y , black and Y /C: video signal separated into Luminance ( Y , black and

white) and Chrominance (C, color information). white) and Chrominance (C, color information).Composite videoComposite video

All in one video signal comprised of the luminance (black and All in one video signal comprised of the luminance (black and white), chrominance (color), blanking pulses, sync pulses and white), chrominance (color), blanking pulses, sync pulses andcolor burst.color burst.

Video quality

higher


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Vid eo Vid eo

Component video also sometimes called Y ,Component video also sometimes called Y ,Pb/Cb, Pr/CrPb/Cb, Pr/Cr


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H ome cinem a: DVDH ome cinem a: DVD

Digital Versatile Disk Digital Versatile Disk Often wrongly called digital video disk Often wrongly called digital video disk Movies digitally recorded in 16:9 or 4:3 aspect ratioMovies digitally recorded in 16:9 or 4:3 aspect ratio

Doubles the number of video lines compared toDoubles the number of video lines compared to

VCR (video cassette recorder) VCR (video cassette recorder) Video output from DVD player composite Video output from DVD player composite(SCAR T ) or S(SCAR T ) or S--video videoComponent video (RGBHV or Y ,R Component video (RGBHV or Y ,R-- Y ,B Y ,B-- Y ) output Y ) outputstill expensivestill expensiveRegionsRegions

Holywood protectionHolywood protection1=USA, 2=Europe1=USA, 2=Europe


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Vid eo f orm ats Vid eo f orm ats

N T SCN T SC American system American systemColor subcarrier at 3.58 MHzColor subcarrier at 3.58 MHz525 lines, 60 fields (30 frames) per second525 lines, 60 fields (30 frames) per second480 real image lines480 real image lines(remember VGA ?)(remember VGA ?)

PALPALEuropean systemEuropean systemColor coding at 4.43 MHzColor coding at 4.43 MHz625 lines, 50 fields (25 frames) per second625 lines, 50 fields (25 frames) per second576 real image lines576 real image lines

SECAMSECAMFranceFranceSame as PAL but with different color coding (3.58 MHz)Same as PAL but with different color coding (3.58 MHz)

Also used in Russia, Moroc, T unesia and other countries Also used in Russia, Moroc, T unesia and other countries


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Int erlace d v. s nonInt erlace d v. s non--int erlace dint erlace d

I nterlacedI nterlacedI mage (frame) is written in 2 parts (fields)I mage (frame) is written in 2 parts (fields)Field refresh 25 times per second (PAL), 30 forField refresh 25 times per second (PAL), 30 forN T SCN T SCRefresh in odd/even line sequenceRefresh in odd/even line sequence

Non interlaced (progressive scan)Non interlaced (progressive scan)Complete image written complete from left top toComplete image written complete from left top toright bottomright bottom

http://www.dcdihttp://www.dcdi- -video.com/technology/articles/sagevideo.com/technology/articles/sage- -dcdidcdi--overview.htmloverview.html


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N e w vid eo: H D T V N e w vid eo: H D T V

High Definition T V High Definition T V Up and running in the USA (must Jan 2007, FCC)Up and running in the USA (must Jan 2007, FCC)Europe is lacking behindEurope is lacking behind

1080i1080i16:9, 1920 * 1080 pixels, 60 Hz interlaced16:9, 1920 * 1080 pixels, 60 Hz interlaced

720p720p16:9, 1280 * 720 pixels, 60Hz non16:9, 1280 * 720 pixels, 60Hz non--interlacedinterlacedP = progressive. Progressive scan is the same as nonP = progressive. Progressive scan is the same as non--interlaced.interlaced.

I nFocus projectors are compatible via RGBHV I nFocus projectors are compatible via RGBHV (into the VESA/VGA/M1D/M1DA connector)(into the VESA/VGA/M1D/M1DA connector)


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So w hat i sSo w hat i s

SD T V SD T V T he standard interlaced video T he standard interlaced video50 Hz in PAL50 Hz in PAL

ED T

V ED T

V Enhanced Definition T V Enhanced Definition T V ProgressiveProgressive

576p PAL576p PAL480p N T SC480p N T SCDouble horizontal scanrateDouble horizontal scanrate

31.25 kHz PAL31.5 kHz N T SC


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L P9xx C onn ec tivit yL P9xx C onn ec tivit y

RGBHV

AudioInputs(*4)

AudioOutput Component

VideoRS-232C

VESA

DB-15

M1-DADigital/Analog &

USB-A

Cable

Wizard CompositeVideo

S-Video

USB-B

WiredRemote


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Contr olling t he projec torContr olling t he projec tor

Mostly done via Crestron or Panja/AMX Mostly done via Crestron or Panja/AMX controllerscontrollersProjector commands (CL I for I nFocus:Projector commands (CL I for I nFocus:

Command Line I nstructions)Command Line I nstructions)(and FH CSP I )(and FH CSP I )Usually via serial connectionUsually via serial connectionCW CW DB9RS-232C

connector


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Commu nicating wit h Projec torsCommu nicating wit h Projec tors

KeypadKeypadI R RemoteI R RemoteRF Remote (USA and UK only)RF Remote (USA and UK only)

Serial (RS232)Serial (RS232)

USBUSBLANLAN Wireless LAN Wireless LAN


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R elease 1.0 : InF ocus Wireless R elease 1.0 : InF ocus Wireless Conn ec tivit y M odu leConn ec tivit y M odu le

PC to Projector communicationPC to Projector communicationPeerPeer--toto--peerpeer

Wireless high Wireless high--speed data transferspeed data transfer

I ndustry standard I EEE802.11b (WiFi)I ndustry standard I EEE802.11b (WiFi) Attaches to M1 Attaches to M1--DA connectorDA connector+ 5V power pin and analog data+ 5V power pin and analog data

LiteShow manager s/w LiteShow manager s/w Shipping v1.1Shipping v1.1


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Pr ojec tor T erm inolog yPr ojec tor T erm inolog y An overview of terms and their An overview of terms and their

meaning meaning


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A SK produc ts: the ne w C se ries A SK produc ts: the ne w C se riesC80 / C9 0 / C 100C80 / C9 0 / C 100(proxima dp5150 / dp6100 / dp6150)(proxima dp5150 / dp6100 / dp6150)

Produc t Ph ilosophy:Produc t Ph ilosophy:Offer an all Offer an all- -performing small room conference projector. Emphasize on industrial design to performing small room conference projector. Emphasize on industrial design toreflect functionality and high performance reflect functionality and high performance ..

XGA

XGA (C90 / C100)(C90 / C100) andand S VGA S VGA (C80)(C80) resolution (LCD technology)resolution (LCD technology)

Weigh t: Weigh t:3.4 kg 3.4 kg

Brigh tn ess Brigh tn ess (ANSI lumens):(ANSI lumens):C80:C80: 15001500C90:C90: 11001100

C100: 1400C100: 1400Contra st: Contra st: 450:1 (full450:1 (full--on/fullon/full--off)off)Int erface:Int erface:

SS--video and composite video; digital (DV I ) and analog (VGA) data; audio inputs video and composite video; digital (DV I ) and analog (VGA) data; audio inputs(mini(mini--jack and RCA); audio output (RCA for stereo); PS/2, Serial and USBjack and RCA); audio output (RCA for stereo); PS/2, Serial and USBmouse control; wired remotemouse control; wired remote

X dBX dB


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R eso lu tionR eso lu tion

T he number of pixels available in the T he number of pixels available in theprojector to display the imageprojector to display the image

T echnology part 1 T echnology part 1Standards:Standards:

VGA (640*480) VGA (640*480)SVGA (800*600)SVGA (800*600)XGA (1024*768)XGA (1024*768)

WXGA (1280*768) (Sony WEGA) WXGA (1280*768) (Sony WEGA)

SXGA (1280*1024)SXGA (1280*1024)SXGA+ (1400*1050) (DELL)SXGA+ (1400*1050) (DELL)UXGA (1600*1200)UXGA (1600*1200)


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Brigh tn ess in L ume nBrigh tn ess in L ume n

Lumen is light per areaLumen is light per area White image is divided into 9 equal parts White image is divided into 9 equal parts

ANS II 9 ANS II 9--pointspoints

Light is measured in the centers of these partsLight is measured in the centers of these parts via a Luxmeter via a LuxmeterT he average is multiplied with the area size T he average is multiplied with the area size(square meters) > Lumen(square meters) > LumenEverybody is lying about their LumenEverybody is lying about their Lumen

Marketing Lumen(s)Marketing Lumen(s)


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Contra stContra st

Contrast is the difference between black andContrast is the difference between black and white whiteT he higher the contrast, the clearer the T he higher the contrast, the clearer the

difference between black and white in thedifference between black and white in theimageimageT wo standards: T wo standards:

Full on/full off Full on/full off CheckerplateCheckerplate

DLP offers higher contrastDLP offers higher contrastUsed in SP productsUsed in SP products


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Brigh tn ess unif orm it yBrigh tn ess unif orm it y

Attempt to verify light distribution Attempt to verify light distribution4 points next to 9 ANS I Lumen points, mostly the 44 points next to 9 ANS I Lumen points, mostly the 4cornerscorners13 points totalled and averaged13 points totalled and averagedDarkest point compared to average gives negativeDarkest point compared to average gives negativepercentual change (e.g.percentual change (e.g. 40%)40%)Brightest point compared to average gives positiveBrightest point compared to average gives positivedeviation (e.g. +35%)deviation (e.g. +35%)

Some suppliers express brightness uniformity in oneSome suppliers express brightness uniformity in onepercentage e.g. 90% but they take the 9 ANSI pointspercentage e.g. 90% but they take the 9 ANSI pointsonly only


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N oise le v elN oise le v el

Measured in dB (decibel)Measured in dB (decibel)Used to express the noise produced by the projectorUsed to express the noise produced by the projectore.g. from the fans, color wheel and power supply e.g. from the fans, color wheel and power supply Standard measurement devices at 1 meter distanceStandard measurement devices at 1 meter distancefrom the projectorfrom the projector

I nFocus 5 positionsI nFocus 5 positionsCompetitors from aboveCompetitors from above

Most projectors have cooling algorithms which willMost projectors have cooling algorithms which willincrease fan speed (and noise) following heating upincrease fan speed (and noise) following heating up

T he more volume, the less air flow noise T he more volume, the less air flow noise


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Keys tone co rrec tionKeys tone co rrec tion

Expresses correction in number of degreesExpresses correction in number of degreestilting (front raising)tilting (front raising)Raising the projector will give nonRaising the projector will give non--

rectangular imagerectangular imageDigital keystone correction is reducing pixelsDigital keystone correction is reducing pixelsin the top to make the image equally wide atin the top to make the image equally wide atthe top and the bottomthe top and the bottomMay give some strange artefacts when appliedMay give some strange artefacts when appliedto black/white imagesto black/white images


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Proxim a Pr ojec tionL ink Proxim a Pr ojec tionL ink

RS-232 control

cleaninstallation

Flexible installation

remoteswitching

integrated signalbooster

single-wireconnectivity

Sys tems

Conn ec tionsData Standard s

Vid eo Standard sData Sheet Specifications T enders

Customer I nquiries

E N O U G H !


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NOW, L IN K I T YOU R SE L V ES !NOW, L IN K I T YOU R SE L V ES !

Laptop PC for PowerPoint presentationLaptop PC for PowerPoint presentationSimple set up without remote mouse controlSimple set up without remote mouse control

Analog or Digital Analog or Digital

Video device Video deviceEuropean VCR with SCAR T output connectorEuropean VCR with SCAR T output connectorDVD player with SDVD player with S--Video or Component video Video or Component videooutput connectorsoutput connectors

I ts Coffee and Sigar T ime For Me

projectors and connectors 17022004

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