HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Page 1/2  >  >>
michal
User Rank
Iron
Re: Cheap
michal   8/12/2013 8:23:07 AM
NO RATINGS
Then I think thay the Yamaha engineers are much smarter then Bose engineers. As I've written previously in my Bose remote I need to exchange batteries twice a year (4 AA's).

Battar
User Rank
Platinum
Re: Cheap
Battar   8/12/2013 8:16:32 AM
NO RATINGS
I'm suggesting that for every hour of home entertainment use, the remote spends 2 seconds transmission time changing channels, and 5 seconds transmission time changing volume. Each key press translates to about 50msec burst data transmission. For the range required inside the home output power is very low, so less than 10mA is required.

If the batteries are also required to drive a real-time-clock and display, well, thats just a design feature. ISM transmitters can work down to 2.0V, and uPs can work to 2.7V, so 2 AAAs have enough voltage and amp hours to keep you going until you lose the remote behind the sofa cushions.

My own Yamaha AV receiver is 2.5 years old and still has the original manufacturers batteries in the remote.

michal
User Rank
Iron
Re: Cheap
michal   8/12/2013 8:04:11 AM
NO RATINGS
So you are sugesting that one uses the home cinema remote as frequently as the swimming pool remote? Well... homecinema does not work autonomously and at least in my home has the biggest interaction with users through the remote. IMHO, 10 hours of operation time during the lifetime is way too low. And forget 3.6V expensive batteries, they are 10 times more expensive than AA. It seem for me that your 'cheap' sounds very expensive too me.

Battar
User Rank
Platinum
Re: Cheap
Battar   8/12/2013 7:50:38 AM
NO RATINGS
That swimming pool cleaner comes with a 433MHz remote control, for when you want to play around with it at the pool side. Most of the time it works autonomously.

michal
User Rank
Iron
Re: Cheap
michal   8/12/2013 7:47:59 AM
NO RATINGS
Cannot you give just a link? Google finds some swimming pool cleaner when I type Ultramax robot. This is not what I'm after ;)

Battar
User Rank
Platinum
Re: Cheap
Battar   8/12/2013 6:53:33 AM
NO RATINGS
Michal,

         I can, we did, and we sell the product. Actually it uses a 1/2AA lithium thionyl chloride cell, but thats only because we needed 3.6V and not 3V. We could do it on AA's too. According to our calculations, the remote control would be in use for about 10 hours over the product lifetime, at 20mA thats well within the capacity of the battery. Sleep mode is 2uA. (In practice, most users lose the remote during the first 2 years of ownership). If you want to see the product, look up Ultramax robot.  Your name is very common in a certain country, and thats where these products are made.

michal
User Rank
Iron
Re: Cheap
michal   8/12/2013 6:04:44 AM
NO RATINGS
Hi Battar,

can you design a radio remote controll which will last 5 year or more? Here I have example of EnOcean in action which replaces universal remote from Bose (havey and powered by 4 AA batteries which I must replace 2 times a year) -- EnOcean does not need any batteries

http://mqlservice.net/openremote/2013/06/20/simple-remote-for-home-cinema/

Battar
User Rank
Platinum
Re: Cheap
Battar   8/12/2013 5:49:03 AM
NO RATINGS
Michal (nice name...)

                              It is easy to design sensors that can work for 5 years or more on a couple of AA (or even AAA) batteries.  Most of us don't really have that many sensors in the house, and much of our battery powered equipment is "asleep" 99% of the day. In many cases, a set of batteries will last the lifetime of the product, as a)circuits can be designed for very very low power and b)the lifecycle of most electronic gadgets doesn't exceed 7 years (usually less).

michal
User Rank
Iron
Re: Cheap
michal   8/12/2013 5:36:11 AM
NO RATINGS
Not so cheap for me. If you have many sensors scattered in your house which needs to be replaced usually once a year then this task is a real burden. It easily takes few hours yearly and my hourly rate is much higer than $0.16. For me, when I see sensor battery powered I look elsewere. Batteries put a real obstacle on automation scalibility.

Debera Harward
User Rank
Silver
Re: Battery Recycling
Debera Harward   8/4/2013 8:39:49 PM
NO RATINGS
According to me its great that there are alternatives of batteries but they cant be complety removed instead of harvesting energy and using /inventing rechargable batteries these batteries will still be in use .One should not through these batteries any where because they can be harmfull instead they should be recycled . Recycling of batteries results in income generation, reduction in pollution , saves energy and so on .

Page 1/2  >  >>


Partner Zone
Latest Analysis
Lockheed Martin is looking to a new novel alloy and casting process to cut expenses on the F-35 Lightning II -- the world's costliest fighter jet.
After impressive test results, QM Power's Q-Sync fan motor has been identified as an emerging energy-saving technology and earned additional funding from the Department of Energy.
Henn'na Hotel, a next-generation, eco-friendly hotel in Nagasaki, Japan, is staffed almost entirely by robots.
With the pace of new editions and iterations, designers can fall behind quickly on software knowledge and skills. That's where JIT software training comes in.
After more than a century of dedicated service, metals are still upping their game and delivering lighter, stronger bodies and frames to the auto industry.
More:Blogs|News
Design News Webinar Series
6/25/2015 11:00 a.m. California / 2:00 p.m. New York
6/24/2015 11:00 a.m. California / 2:00 p.m. New York
6/11/2015 11:00 a.m. California / 2:00 p.m. New York
8/13/2015 11:00 a.m. California / 2:00 p.m. New York
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Aug 3 - 7, Developing, Testing, and Troubleshooting IPv4 and IPv6 Using Wireshark
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Next Course August 25-27:
Sponsored by Stratasys
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Sponsored Content

Technology Marketplace

Copyright © 2015 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service