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Watching the ongoing discussion over form factor and specifications, it is obvious that no one company is ever going to get it even close to right in the handtop arena to satisfy everyone's needs, never mind likes. Perhaps the entire approach needs to be looked at?
Maybe the time has arrived where the handtop market has reached the point that it would be possible for the user to design their own “mix and match” handtop, and order it from a producer?
The modular design concept has been discussed before on this forum, including by people like MeanSquare, who have correctly identified its current weak point as the additional size of these units.
But what is that was not necessarily so? What is, using technology similar to that employed in desktops for years, it was possible for one to actually design and order ones own handtop, with specifications to ones own liking, and have it made for one from modular components? I believe technology has come far enough for this to be possible!
Handtop components are actually the same or similar components used in the almost infinity modular desktop units we all know so well. The difference is that desktop component boards are large, with lots of space around them etc. This need not be so.
It would be possible to design a component core, comprising of the CPU, RAM, Chipset, WiFi, Bluetooth and connections to other components and make it just as small as in the OQO Model 2, for example. Connectors and the like would be of the same type currently used in Handtops, as would all be the space saving technologies, but conceptually it would be like the Motherboard in a Desk Top Computer.
By using a heat-pipe type technology, it would be possible to extract the heat from the CPU to a cooling unit, the size of which would depend on the CPU. If the Intel line of Core processors was the basis of the unit, one could have everything from a 1 GHz Core Solo processor to a 2 GHz Core Duo processor. Variable voltage and wattage would be supplied by a separate PSU, the output of which would be dictated by the power requirements of the components.
RAM in a single solder on module could range from 256 MB to 2 GB.
With this core of components, one could then design three or four basic sizes of enclosure, say a small one to fit a 4.5” screen, slightly larger one for a 5” screen, a larger one for a 5.6” screen, and the largest for a 6.5” screen or even a 7” screen.
The depth of these enclosures would be determined by battery capacity, drive size etc. One could have a modular area on one side of the core components that would permit additional batteries, SIM cards, memory cards, additional ports and so on.
By having the keyboard connector modular, attached by a ribbon USB connector, one could offer a variety of keyboard designs for each enclosure size, to fit all requirements, or no keyboard at all, making the unit a tablet. The back of the enclosure would also be modular, to permit different screen designs such as clamshell, slider, flip and fold etc. Screens could be plain, passive or active touch screens as was the requirement of the user.
The advantage of all of the above is, once the core was designed, other manufacturers could create new enclosures, screen modules, keyboards and so on, to be purchased and used with the core.
Since the unit would still be manufactured for one, none of the space losses accompanying plug in components would be incurred, but the unit would still be almost completely variable in specification.
If one had an enclosure with keyboard and screen one really liked, and technology advanced, one could have the core replaced with a newer one. If one saw a better keyboard design for ones enclosure, or a new screen one liked more, the unit could be upgraded.
The technology for such a device exists, I am surprised that it has not already been created. It is however a possible future for Handtops where everyone gets what they want. Here is to hoping that someone somewhere picks up on the idea and runs with it.
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03/13/07
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GreatDane
Hi primaz,
I think we are a little at cross purposes here. The concept that I described is not based on a single form factor, but on a configurable core that can be used in a number of form factors, including a design like the old Psion, or the OQO, or Flipstart, or Sony UX, or U, as well as a whole lot of new designs that nobody has as yet done because the cost of the R & D is to high.
Using a core that can be placed in a variety of shells, with a variety of options, offers a degree of flexibility that has not as yet ever existed in the Handtop, or even the Laptop arenas.
So if such a device core was available, and you wanted a Psion type case and keyboard, and it was not as yet an option, due to the standardized nature of the core, you could probably have one built at a reasonable cost.
I do not believe that the market for individualized units has been adequately explored to date (In fact, I am pretty sure that it has not been explored at all). This is the one way of getting around the problem that you at present find yourself stuck with. You want a certain type of unit that nobody is producing, and nobody seems to be looking at at present. If a modular type core was available, you would be able to do something about it yourself.
Hi tchernev,
I don't think we are actually talking about a different concept at all. I used the analogy of the standard motherboard to illustrate the point, but one could just as easily look at it from the point of view of having a case/screen/keyboard combination that one liked, and selecting one of several standardized core modules to fit in it. The modular concept works both ways as I envisage it, not just a standard core with various cases, but also a variety of different interchangeable cores as well.
The nice thing about such a concept is that the various parts need not all come from one manufacturer, as long as there was an agreed upon standard that everyone worked to.
03/15/07
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primaz
Great Dane,
"I do not believe that the market for individualized units has been adequately explored to date (In fact, I am pretty sure that it has not been explored at all). This is the one way of getting around the problem that you at present find yourself stuck with. You want a certain type of unit that nobody is producing, and nobody seems to be looking at at present. If a modular type core was available, you would be able to do something about it yourself."
I understand what you mean but I do not think that is realistic as there is not even that option in say larger formats such as laptops and trying to make that available in ultra small devices I do not think is practical? What I do agree is what you stated above that the format of a pocket touch type keyboard is not presently addressed and I beleive that segment if adequately provided for can be a market greater than most current thumb type devices.
03/16/07
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GreatDane
Hi primaz,
I agree that at present this is a hypothetical situation, but that was also the case with desktops in the beginning. This is a direct design parallel. As to laptops, the situation already exists, in some quarters at least. Order a higher end laptop from one of the most famous brands, and regardless of model, screen size, cup speed, RAM etc, you are probably getting the same core motherboard. If it can be done with laptops, it can be done with Handtops. And once the basics are in place, there is no reason not to extend the functionality across the board.
03/16/07
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tchernev
Hi GreatDane,
This has been a great discussion! I am beginning to think that may be we could try to make it even more specific by trying to establish some basic parameters for the smallest _handtop_ shell and the basic components that we could foresee at present. So I'll go first 
1. Size of box: I think that the OQO 02 is about as big as it could get without being too big, so I'd stick with the same width and depth as the 02. I am not sure about thickness, so I'll leave that out for now
2. Screen: As big as it possibly could be and still fit in the box, and after that probably 1024x600 may still be readable. (This is what *fil* was suggesting in another thread, and I agree. There is no need for anything else on the face of the box - e.g. the touch scrollers of 02 may be getting in the way of handwriting input if they are still active while inking.) The screen should definitely be digitized although I realize others may have a different preference? If it is not a clamshell, there should be an option for some kind of hard cover to protect the screen.
3. RAM: I think it is clear that we want at least 1G, if possible 2G, and dare we hope for more?
4. Battery life: I strongly feel that this should be highly configurable, but there should be an option for at least 6 hrs _real life_ use (for those who do not mind the extra bulk that this option would result in).
I'll leave the other components for others to input - I'm not sure that at this point we can form a consensus on them - what do you think?
03/16/07
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tchernev
Hi GreatDane,
This has been a great discussion! I am beginning to think that may be we could try to make it even more specific by trying to establish some basic parameters for the smallest _handtop_ shell and the basic components that we could foresee at present. So I'll go first 
1. Size of box: I think that the OQO 02 is about as big as it could get without being too big, so I'd stick with the same width and depth as the 02. I am not sure about thickness, so I'll leave that out for now
2. Screen: As big as it possibly could be and still fit in the box, and after that probably 1024x600 may still be readable. (This is what *fil* was suggesting in another thread, and I agree. There is no need for anything else on the face of the box - e.g. the touch scrollers of 02 may be getting in the way of handwriting input if they are still active while inking.) The screen should definitely be digitized although I realize others may have a different preference? If it is not a clamshell, there should be an option for some kind of hard cover to protect the screen.
3. RAM: I think it is clear that we want at least 1G, if possible 2G, and dare we hope for more?
4. Battery life: I strongly feel that this should be highly configurable, but there should be an option for at least 6 hrs _real life_ use (for those who do not mind the extra bulk that this option would result in).
I'll leave the other components for others to input - I'm not sure that at this point we can form a consensus on them - what do you think?
EDIT: I forgot the hard drive 
5. HDD: at least 60GB, with an option for an SSD of 32GB or more.
03/17/07
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GreatDane
Hi tchernev,
Nice thoughts. Let me offer a different set of ideas that might lead to a more flexible approach.
The basic concept here is modularity. There should be no basic minimum and maximum sizes on cases, screens, keyboards etc.
I see the basic core as something that already exists in the market. A COM Express motherboard that can plug into various base boards of any size to attach additional components such as HDD's, Screen, Keyboards etc. Here is a Core Duo example. link
The Com Express format gives you a motherboard design with a basic size of 125 mm x 95 mm, including RAM, CPU and chipset. It uses a heat pipe for cooling, and the CPU's range from AMD Geode's through Pentium and Celeron M's to Core Solo and Duo units. Most COM motherboards have a LVDS capacity for LCD screens built in. COM mother boards use a standard set of connectors, so it should be possible to fit this onto a very low format baseboard with connectors for the HDD, Screen, keyboard etc. I would use a solution like the OQO's power supply so that it was not necessary to build the PSU into the case.
Using the COM motherboard as the basis for a design, I have managed to design a Core Duo Clamshell that was smaller than the Flipstart, at 149 mm x 106 mm x 42 mm. It also used the 5.6" 1024 x 600 screen, although an older model with a cold cathode light source, rather than LED's. The HDD used was the old 30 GB Toshiba unit, so one could fit a newer 60 GB unit if one wanted.
The height of the unit was a problem, but that is in part due to working on a very limited budget, so having to use mostly standard parts. I had problems with cooling and battery life, as well as with the keyboard, but they could be solved. My casing was of plastic and carbon fiber, but I would make it of metal if I was going to produce the unit.
One could, with sufficient resources, produce a unit that would be the size of the OQO Model 1, although thicker by a few mm, using a 5" screen, or one could go to a 7" or 7.4" screen, and get a much thinner unit, and still keep in in the acceptable range for Handtops (DVD case size with the Sharp 7.4" 1280 x 768 LDC panel).
Getting parts in South Africa is a problem, and we do not have many places that can produce keyboards and the like, so I eventually gave up on the project. I am going to use the parts for an in car system for my Land Rover.
However, the above could well be the recipe for a very successful modular computer, and I am sure that other members of this forum will have different and interesting ideas as well.
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