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Article Check - A Short Guide to Video Projectors: Business vs Home Theater Projectors
An AC Power Adapter is an electronic device which produces a specific direct current from the mains with an Alternating Current (AC). Although actually a power supply it is popularly known as an AC Power Adapter or AC Adapter. Laptops along with most other portable devices use Direct Current (DC), this also applies to rechargeable batteries which power laptops. Direct Current has a constant flow of electric charge in one direction and flows from low to high potential. Connecting a laptop to AC is unsuitable and dangerous due to the varying magnitude and direction of the current, which can cause an internal component to fail and even result in fire.The AC Adapter carries out the following steps to produce the correct current and voltage to power your laptop or charge your laptop battery:• Converts the mains voltage to a lower voltage level• Converts the AC voltage to a DC voltage by a process called rectification• Smooths out any voltage ripple• Converts the voltage to the required voltage to power the laptopThe other well-known name for an AC Power Adapter is battery charger or laptop battery charger. This is an important device providing you with laptop mobility and frees you of restriction from using the power cord. Check the link at the end of this article to find the correct AC Power Adapter for your laptop.Car and Airplane Power Adapters This is a particular design of a power adapter which accepts DC input and output DC voltage required to power a laptop. Instead of a standard plug
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these ap
When one wants to promote and advertise a product that is basically low cost or most of the times no cost at all, writing an article for marketing purposes is surely the one on the list. It may seem that at times, this marketing tool is overlooked as a powerful tool, the reality is that, article marketing is not only cost effective but really efficient if used in proper way. I have included below some of the tips that one can use to achieve the perfection in making a catchy and appealing article material.• Write the article in a very easy setting. When I say write it in a very setting it may include but not limited to simple grammatical usage, avoidance of highly technical terms, and inclusion of simpler illustrations to support your ideas.• Always have your article materials checked. Checking does not only include grammatical flaws and errors but checking on the sensitivity of the entire content. Make sure that your contents are anchored on a general perspective and do not hit anyone’s race, religion, or cultural upbringing.• Emphasize on the content the benefits of the good that you are selling. People tend to focus on what the product can do to resolve the issues or problems they have rather than knowing all the intricate features of the product. Therefore, as a mechanism to entice consuming public, make all the benefits highlighted on the article material.• Support the content of the article with a powerful title. It is always effective to place a catchy subject line on any written material as this is the first thing that readers look into
The fall in price and the developments in video projection technology we have experienced during these last few years, have made the digital projector even more accessible to a larger group of home users.
Demand has increased to such an extent that manufactures are not only producing what are referred to as 'cross-over' models - i.e. projectors that can handle both PowerPoint presentations in the office as well as DVD movies at home, but they have also started to target the home entertainment domain by producing models specifically designed for home theater use. ...why?
It is true that 'cross-over' projectors can handle both worlds, but this does not mean that a video projector that can deliver a great presentation in the boardroom is also capable of delivering a great cinematic experience in the home theater.
Home theater projectors and business projectors have to fulfill distinct requirements in their use which can only be met if the video projector is specifically designed for the purpose.
What characteristics differentiate Business Video Projectors from Home Theater Projectors?
It is no surprise that video projectors are becoming a popular choice with many home theater enthusiasts. The digital projector can deliver the largest image for your dollar. Simply hook up your DVD and there you have the most cinema-like image in the home theater. Or connect a HDTV source such as a cable set-top box or satellite receiver, and there you have a huge 100" HDTV for the cost of a 50" plasma TV.
And in the boardroom, today's powerful digital multimedia projectors are proving to be more than ideal for business presentations; they are capable of delivering bright huge images under normal ambient room lighting - something only dreamt of in the days of the overhead projector. Simply plug in your laptop, and there you have the most fantastic business presentation in the world!
However, it is important to keep in mind that the boardroom and the home theater are two different arenas that require different beasts. The distinct requirements between the two are important; the discussion that follows explains what video projector attributes should apply in these two cases.
Important Projector Attributes
Brightness:
The brightness level (measured in lumens or ANSI-Lumens) is an indication of the level of light thrown out by the projector. Brightness is a lot more important for business use - this in view that many presentations are given in conference rooms with standard office lighting rather than in reduced ambient light. This means that the image needs to be bright enough to be seen, otherwise the projection would look washed out.
For small boardrooms and presentations with a lot of ambient light, a brightness of around 1000 to 1500 lumens should normally be fine. However, keep in mind that the projector brightness required depends on the projected screen size, the level of ambient light, and the projection screen gain (more on this in our projector screen guide).
For home theater applications, a high brightness level is not important. Some video projectors intended for home theater use come with bulb setting to enable the user to dim the light source for improved viewing and deeper blacks when viewing takes place in a darkened room.
Contrast:
As discussed in our Contrast Ratio article, even a minimal level of ambient light may render a high contrast image of say 5000:1 similar to one with a contrast ratio of 500:1. This means that though a minimum level of contrast is important for the eye to perceive a sufficient bright image, yet contrast is not an important attribute in business applications, nor it is in home use if one will be using the projector in the living room with the lights turned on.
In reality, anything above 400:1 for the contrast ratio would not be perceived by the eye if viewing does not take place in a completely darkened environment. In addition, due to the eye's contrast sensitivity function, a contrast ratio of say 2000:1 would not be perceived as five times better than one with a contrast ratio of 400:1. Therefore, pay more and go for a high contrast ratio only in the case of a home theater projector and as long as viewing takes place under controlled lighting.
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these app
Make no mistake. Your resume cover letter is what will get somebody to read your resume.If that initial commercial for you isn't shockingly, preferably uniquely good, your resume probably doesn't count for much.If your cover IS great, though, you've got to have a resume behind it.Your resume needs to present the product (that's you) in such a way that the person reading it stumbles over himself trying to pick up the phone to call you.Having just read that, imagine most resumes you've ever read. Did you jump? I doubt it.Most resumes tell an exhausting story of a person's work history. What a resume should present is the high points of a compelling career narrative. Anything else is boring, useless reading for somebody who doesn't have the time for it. And won't take the time to read it through.So what should be in a resume anyway? Maybe not what you think. If you get nothing else out of this article, remember one point.A resume is not a laundry list of your work history.A resume must contain Professional accomplishments (dollar-quantified whenever possible) that your potential employer cares about Some more of those And, finally, some more of those Maybe that stuff isn't as exciting to you as your birthdate, or your hobbies, but nothing else matters as much as that quantified experience your potential boss cares about. If you create a resume without that in there, odds are good it'll end up in the garbage.Why?It's a matter of time, really. Your potential new
What characteristics differentiate Business Video Projectors from Home Theater Projectors?
It is no surprise that video projectors are becoming a popular choice with many home theater enthusiasts. The digital projector can deliver the largest image for your dollar. Simply hook up your DVD and there you have the most cinema-like image in the home theater. Or connect a HDTV source such as a cable set-top box or satellite receiver, and there you have a huge 100" HDTV for the cost of a 50" plasma TV.
And in the boardroom, today's powerful digital multimedia projectors are proving to be more than ideal for business presentations; they are capable of delivering bright huge images under normal ambient room lighting - something only dreamt of in the days of the overhead projector. Simply plug in your laptop, and there you have the most fantastic business presentation in the world!
However, it is important to keep in mind that the boardroom and the home theater are two different arenas that require different beasts. The distinct requirements between the two are important; the discussion that follows explains what video projector attributes should apply in these two cases.
Important Projector Attributes
Brightness:
The brightness level (measured in lumens or ANSI-Lumens) is an indication of the level of light thrown out by the projector. Brightness is a lot more important for business use - this in view that many presentations are given in conference rooms with standard office lighting rather than in reduced ambient light. This means that the image needs to be bright enough to be seen, otherwise the projection would look washed out.
For small boardrooms and presentations with a lot of ambient light, a brightness of around 1000 to 1500 lumens should normally be fine. However, keep in mind that the projector brightness required depends on the projected screen size, the level of ambient light, and the projection screen gain (more on this in our projector screen guide).
For home theater applications, a high brightness level is not important. Some video projectors intended for home theater use come with bulb setting to enable the user to dim the light source for improved viewing and deeper blacks when viewing takes place in a darkened room.
Contrast:
As discussed in our Contrast Ratio article, even a minimal level of ambient light may render a high contrast image of say 5000:1 similar to one with a contrast ratio of 500:1. This means that though a minimum level of contrast is important for the eye to perceive a sufficient bright image, yet contrast is not an important attribute in business applications, nor it is in home use if one will be using the projector in the living room with the lights turned on.
In reality, anything above 400:1 for the contrast ratio would not be perceived by the eye if viewing does not take place in a completely darkened environment. In addition, due to the eye's contrast sensitivity function, a contrast ratio of say 2000:1 would not be perceived as five times better than one with a contrast ratio of 400:1. Therefore, pay more and go for a high contrast ratio only in the case of a home theater projector and as long as viewing takes place under controlled lighting.
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these ap
One of the hottest areas of the contemporary art scene in Australia today is Australian Aboriginal art, which is becoming an increasingly attractive option for many investors. The Aboriginal art market has attracted increasing international attention in recent years, and has experienced exceptional growth which appears set to maintain pace in the medium term. Aboriginal art considerably outsells non-indigenous Australian art at auction and has gained significant international standing. It is critical that investors are well informed before entering the Aboriginal art market, however, not only to ensure that investments are made in quality work by quality artists, but also to guarantee the provenance and authenticity of the work.Australian Aboriginal art has generally proved to be a solid investment over time. Work by important Aboriginal artists has increased in value markedly over the past 30 years, with individual works fetching prices as high $350,000 at international auction. Prudent investors who have developed good relationships with specialist galleries can derive great pleasure from collecting the art of the world's oldest living indigenous culture, and can also be assured that the artists in question have been treated fairly and ethically, and that their investment is secure.One of the first considerations when investing in Aboriginal art is a Certificate of Authenticity. Certificates are normally issued by the community where the artist lives and paints, or by the gallery from which the artwork is purchased. Certificates vary in the details they provide,
However, it is important to keep in mind that the boardroom and the home theater are two different arenas that require different beasts. The distinct requirements between the two are important; the discussion that follows explains what video projector attributes should apply in these two cases.
Important Projector Attributes
Brightness:
The brightness level (measured in lumens or ANSI-Lumens) is an indication of the level of light thrown out by the projector. Brightness is a lot more important for business use - this in view that many presentations are given in conference rooms with standard office lighting rather than in reduced ambient light. This means that the image needs to be bright enough to be seen, otherwise the projection would look washed out.
For small boardrooms and presentations with a lot of ambient light, a brightness of around 1000 to 1500 lumens should normally be fine. However, keep in mind that the projector brightness required depends on the projected screen size, the level of ambient light, and the projection screen gain (more on this in our projector screen guide).
For home theater applications, a high brightness level is not important. Some video projectors intended for home theater use come with bulb setting to enable the user to dim the light source for improved viewing and deeper blacks when viewing takes place in a darkened room.
Contrast:
As discussed in our Contrast Ratio article, even a minimal level of ambient light may render a high contrast image of say 5000:1 similar to one with a contrast ratio of 500:1. This means that though a minimum level of contrast is important for the eye to perceive a sufficient bright image, yet contrast is not an important attribute in business applications, nor it is in home use if one will be using the projector in the living room with the lights turned on.
In reality, anything above 400:1 for the contrast ratio would not be perceived by the eye if viewing does not take place in a completely darkened environment. In addition, due to the eye's contrast sensitivity function, a contrast ratio of say 2000:1 would not be perceived as five times better than one with a contrast ratio of 400:1. Therefore, pay more and go for a high contrast ratio only in the case of a home theater projector and as long as viewing takes place under controlled lighting.
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these ap
Our bodies have a built-in body detox system which naturally removes any harmful substances present in the body through the process of excretion. But unhealthy eating and living habits disturb this process, which can lead to various health problems. A disturbed sleeping pattern, lack of sleep, anxiety, and use of excessive medication are some of causes of body poisoning. Fruits, juices and vegetables help to detoxify the body from these substances.The main cause of body poisoning is excessive extra fat being stored in the body. The main focus of many body detox programs is the reduction of this body fat, as most of the toxic substances are soluble in body fat.Another body detox method is water fasting. Water fasting helps in speeding up the metabolism of the fat present in the body, thus leading to the release of the body toxins. However, people who are in poor health should not choose to do any water fasting.Juice fasting is yet another effective way to detoxify the body, as fruits help to provide vital enzymes the body needs, and that increases the natural ability of the body to fight the toxins.The most beneficial fruits are the acid fruits, such as lemons, oranges and grapefruit. Other ideal fruits include tomatoes and pineapples. The best way to kick start your morning is to take a refreshing combination of fruit to detoxify the body. Just squeeze three oranges, two mandarins and half a grapefruit and enjoy this wonderful health juice. It is not good to use a lot of acid fruits when you are not well, as the excess use of it during illness leads t
For home theater applications, a high brightness level is not important. Some video projectors intended for home theater use come with bulb setting to enable the user to dim the light source for improved viewing and deeper blacks when viewing takes place in a darkened room.
Contrast:
As discussed in our Contrast Ratio article, even a minimal level of ambient light may render a high contrast image of say 5000:1 similar to one with a contrast ratio of 500:1. This means that though a minimum level of contrast is important for the eye to perceive a sufficient bright image, yet contrast is not an important attribute in business applications, nor it is in home use if one will be using the projector in the living room with the lights turned on.
In reality, anything above 400:1 for the contrast ratio would not be perceived by the eye if viewing does not take place in a completely darkened environment. In addition, due to the eye's contrast sensitivity function, a contrast ratio of say 2000:1 would not be perceived as five times better than one with a contrast ratio of 400:1. Therefore, pay more and go for a high contrast ratio only in the case of a home theater projector and as long as viewing takes place under controlled lighting.
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these ap
Sometimes I wish I could go back to being a stressless stamp licker at my office, because my well earned promotion into junior management has me involved in some very wearing tasks, one of them being the introduction of the conference call.Now, I can fully see the benefits of well organized conference calls, but everyone seems to think that what they have to say is more important than the next man (or woman), and as a consequence, these calls often end up sounding like barroom banter as all voices talks over one another. I actually lost the plot one Monday morning and told a dominant sales executive at our head office that god gave us 2 ears and only one mouth, so perhaps it was more important to listen than to speak. Well, you can just imaging how that went down.We’ve since had training in conference calling and conference etiquette so we can have more productive and orderly meetings via this system. To be fair, the dreaded conference calls are nowhere near as bad as they were to begin with, but they still get a little overheated from time to time. I think the hardest job has to be that of the secretary, who diligently attempts to take the minutes of these meetings. Sometimes her face resembles a British bulldog chewing a feisty wasp as her pulsating ears endeavor to decipher the executive squabble.Along with the success of our company comes the latest technology (not always for the better, I hasten to add!) and at last weeks conference meeting the company director announced we are to invest in a video conferencing system. Now this should be really inte
Color, Gray-Scale Performance, and Smooth Video Playback:
These are all attributes that are more critical in home theater applications. In fact, color accuracy with natural-looking skin tones and capability to present subtle detail in bright and dark areas of the image matter more to the home user.
Similarly, the projector's ability to present smooth, video playback with no added motion artifacts, when presenting fast action sports and movie scenes, is of prime importance in any home theater application.
LCD or DLP:
It all depends. Strictly speaking, both technologies can do a good job in either of these applications in that advancement in technology has closed the gap between the two. Yet LCD projectors are normally the primary choice with business projectors in view that these still have a brightness edge over DLP.
On the other hand, DLP is still the favored technology when it comes to home theater use due to their improved black level performance and smoother looking projections that resembles more closely those at the movie theater.
Portability:
This is a major issue with the business video projector. Smaller and lighter is better, especially if you travel frequently. Weight is more of an issue for the business user. Business mobile professionals will want to hook up a lightweight projector to a computer or laptop, projecting an image on a large screen or wall for presentations.
Most business-oriented projectors weigh just a few pounds - some very light business models weigh no more than three pounds! These video projectors usually come with carrying cases and wireless remote controls that enable the user to control not only the projector, but also to send commands to the PC through appropriate connectivity. Some remotes include an integrated laser pointer.
Most multimedia projectors under this category come with a small integrated speaker for the sound; more expensive projectors have security features such as locking cables, etc.
Portability issue is of no concern in the home theater. One would normally setup a fixed place for the projector. For home theater projectors, the best installation spot is on the ceiling. This means that some planning has to go into how it is best to run cables into the ceiling to connect your projector with the rest of your home theater gear.
Video Projector Connectivity
It is critical that your video projector comes equipped with the appropriate inputs to enable you to connect with your PC or laptop in the case of a business projector, and home theater gear, DVD, or HDTV set-top-box in the case of a home theater projector.
It is clear that connectivity requirements between these two video projector categories vary.
Most - but not all - models support component, composite, S-video, and RGB connectivity. Home theater projectors normally also include a DVI or an HDMI port; this is very useful when it comes to interconnecting with a compatible DVD player or HDTV set-top boxes.
One standard that is starting to show up more on video projectors, and that is most appropriate in the business arena, is the M1, EVC, or P&D standard; this is most commonly referred to as M1 or M1-DA.
The M1 connector allows for the same connectivity as DVI – digital single or dual link or analog transmissions in the case of DVI-I. But the added advantage of the M1 over DVI is that the M1 also provides connectivity to the USB or FireWire port on your PC. The USB/FireWire connection is used to supply commands from the projector's remote control to the computer - thus allowing you to scroll through PowerPoint presentations, etc.
Our advice: Always check before you buy to be sure that the projector has the inputs you need.
Projector Resolution: SVGA, XGA or Widescreen (WVGA or WXGA)?
This refers to the native or optical resolution and measures the level of picture detail that the projector can handle without compressing (down-scaling) the number of pixels in the original video content. Downscaling degrades picture quality and leads to picture content loss.
This is probably by far the most important video projector attribute that differentiate business from home theater projectors. In reality, it is not the number of pixels but rather how these are arranged on the screen in terms of width vs height i.e. the native aspect ratio of the projector. SXGA (1280x1024) is currently the highest resolution available for portable projectors; these video projectors are relatively very expensive. Most common video projector resolutions in the 4:3 aspect ratio are XGA (1024x768 pixels) and SVGA (800x600 pixels).
Widescreen versions of SVGA (WVGA: 854x480) and XGA (WXGA: 1280x720) have also started to emerge. These enable better projections of widescreen 16:9 content.
Busin
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