Last Updated on August 21, 2023 by pg@petergamma.org
And do they sell their academic friends instead the Apple watch Ultra, The Bitalino Biometical Toolkit wich one ECG channel validated in a Sensors paper, ant the Matlab PPG peak detector, altough we are asking, which scientists use PPG devices for their research?
Which scientists in general use the mentioned devices for their research? But do not all scientists who did not yet study the literature in detail and are looking for information about this topic find it from these three people, if they are looking for low-cost high-quality devices? But is not what they offer us on YouTube sometimes low-cost low-quality which hardly ever a scientist will use?
Do these three people offer what we are looking for? We did not find it from these three persons. We know of no simple and clear reviews from these tree persons who would have helped us what devices can be used for scientific studies, which ones also find also a sustainable community of users who use the devices they reviewed or sell on a regular basis, who writes papers which their devices, a community which confirms that these devices are helpful and interesting also for other scientists. But we did not find this from these three people.
On the contrary, for instance Rob ter Horst wants to sell with a paper funded by Polar written at Magglingen 100 low-cost smartwatches. But do they offer in any why data a scientist can do anything with it. And papers as for instance those from the cardiologists at the Cleveland Clinic are simply ignored. And the more we study those, the more helpful became these to us.
Therefore we are asking the question. Did someone put limitations on these 3 persons that they are only allowed for instance to sell us on YouTube devices which scientists can use for fun and in their spare time, but they cannot do any science with it who will be taken serious? Did they study previously the literature, and know about this, but did not help us at all? On the contrary, do they mislead us?
Did these people not first study the literature about the device they use and want to sell to us and are experts about this? But do the not want to sell us devices for instance on YouTube which hardly any scientists ever will use. Is the reason for this that they have to do this, because they are somehow entangled and someone wants to avoid that prices for research and medical grade physiological multi-sensor devices trop?
To put it to the point: is there a marketing trust of people who controls prices for devices which are rarely used? Do they know each other and do they talk to each other and agree about to keep the prices for these devices high. If so, this is forbidden in Switzerland:
Eventually Hugo Plácido da Silva from Biosignals has or had similar goals than we had. But somehow is developements in this field stopped. He put all his low-cost high-quality device ins his shop, and it looks that he now only wants to make money out if it, and not keep on going this process. As a consequence, do we find any low-cost high-quality devices in his shop which are used by scientist on a regular basis, and do they use these to write papers? And do scientist loking for low-cost high-quality device not find something rather from people like us, from people wo are not interested at all in selling any devices?