Talk:Doorbell

Invention

about.com claims it has been invented in 1831 by Joseph Henry. Can it be considered a reliable source? Lo'oris - ロホリス 22:03, 25 September 2006 (UTC)

Here's a more reliable source: [1] — [User:Ccrrccrr|Ccrrccrr]] (talk) 15:14, 17 March 2008 (UTC)

There are repeated attempts from anonymous users, IP addresses traceable to an ISP called Road Runner, to change the lead to say it was invented by a French Canadian, WJ. This appears to be vandalism. — Ccrrccrr (talk) 00:50, 28 March 2008 (UTC)

Invention prior to 1817

Mr. Collins has a door-bell in Jane Austen's Pride and Prejudice, published c 1817. This suggests that whatever was invented in 1831 it was not the door-bell. Perhaps some advance on the doorbell can be attributed to that time, but this point should be corrected and clarified. 67.142.130.48 (talk) 22:53, 25 October 2009 (UTC) —Preceding unsigned comment added by 67.142.130.48 (talk)

I've never read Jane Austen, but the article only says that the electric doorbell was invented in 1831. There are all kinds of non-electric doorbells, many of which undoubtedly preceded Pride and Prejudice. Dcs002 (talk) 05:15, 23 February 2010 (UTC)

Unclear phrase in "Wired system"

"If the other bell is used, it will activate the other solenoid, which will strike only one bar — typically the bottom bar."

What is meant by "the other bell"? Does this refer to the button at the second door in a two-door system? Cognita 04:04, 11 December 2006 (UTC) ghiutt lol

Construction question

how do i maintain the same force on the plunger by reducin da number of coils.. any improvement in construction..— Preceding unsigned comment added by 220.227.67.171 (talk • contribs) 08:49, 29 May 2007‎ (UTC)

Huh? But how about mentioning that if an efficient toroidal transformer was used the standby power would be way lower. And you can buy one for about $18 from Digikey. —Preceding unsigned comment added by 64.105.65.246 (talk) 21:00, 7 January 2008 (UTC)

What about batteries?

My own doorbell runs off battery power. I don't know how prevalent this is, but perhaps the possibility should be in the article. Algebraist 15:05, 17 January 2008 (UTC)

The issue of batteries to be used with doobells,has always been a matter to be reconsidered by all intending members of the educational community.the issue has always been something to ponder about.This is necessary considering the fact that a battery to be used with a doorbell will have to be recharged frequently and automatically without interupting the functioning efficiency of the doorbell.— Preceding unsigned comment added by 196.220.14.93 (talk • contribs) 10:24, 9 October 2008‎ (UTC)

Circuit diagram

I think we can do better than a crude MS Paint style circuit diagram ... Goldfish654 (talk) 08:14, 20 June 2008 (UTC)goldfish654

Done. I prepared a similar SVG vector diagram with Inkscape and saved it to Wikimedia Commons on 13 November 2013. — Quicksilver^{T @} 16:29, 6 December 2013 (UTC)

Non-electric doorbells

Would anyone feel able to describe the history of doorbells before the advent of electricity? The only information on this page concerns electric versions, whereas I'd imagine mechanical versions have been around for centuries longer. —Preceding unsigned comment added by 88.106.151.240 (talk) 16:10, 24 September 2008 (UTC)

Those were more like door knockers, for the most part I'd imagine. Anyway there are various bells that have been used for related purposes for a long time, like Church bells, Bell Pulls, those hotel bells used to summon Bellhops, etc. You can doubtless find more in Category:Bells. I however don't imagine there's a general article on bells used to signal the arrival of a visitor at a house, although I'm sure they were used for that on farms & mansions, or really anyplace big enough for it not to trouble the neighbors. Although I imagine there were and are mechanical bells equivalent to the household electric variety we now use, which might be included in this article. However I doubt such things existed before the Victorian era, and I imagine they were more a 20th century development.

Mentioning that, it would be nice if this article had more of the history of doorbells, when they started to be used, when they become popular in general, etc. That's really the information I was looking for coming here. --illumi (talk) 09:06, 29 April 2010 (UTC)

There are people in the US right now with non-electric doorbells. You twirl a knob and a chime sounds, similar to a San Francisco cable car. 72.209.63.226 (talk) 14:05, 13 November 2010 (UTC)

Doorbell interrupts

Today I added a section about doorbell interrupts, which is referenced from the RapidIO page, then after I was done I decided the topic was too technical for this page, and it would be better in the Interrupt page of computer science. So I moved it there. I just left a small description at the top in the opening section. This explains the history. Brianonn (talk) 07:36, 26 January 2009 (UTC)

Diodes

The one part that never seems to be mentioned in articles about doorbells is the diode. If you have a chime-style doorbell, you need a diode behind the bell or the chimes will not complete the entire melody. Since this entry mentions doorbells that sound Westminster chimes, it would be useful to have a diode included somewhere in the diagram or the commentary. TaxAcc0untant (talk) 13:41, 10 July 2010 (UTC)

The diagram is complete for a two-chime solenoid-driven doorbell. It doesn't need a diode. When the doorbell button is depressed, the solenoid is energized, driving the plunger in one direction to strike the first chime and simultaneously storing energy in a spring. When the doorbell button is released, the energy stored in the spring is released, propelling the plunger in the other direction, striking the second chime. Doorbells that play extensive melodies are wired directly to the transformer and the doorbell button is used to trigger their operation sequence. Since electromechanical and electronic doorbells do this in different ways, it is beyond the scope of a Wikipedia article to describe them all in detail. — Quicksilver^{T @} 17:19, 6 December 2013 (UTC)

Invention in 1831

I found Joseph Henry's original writings about his electric bell and linked to it. He does not say he invented the electric doorbell. Around 1831 or 1832, he invented an electric wire that rang a bell. He does not indicate that he attached it to a door. On newspaperarchive.com, the earliest newspaper article to mention the phrase "electric doorbell" or "electric door bell" is from 1881 discussing an invention of an illuminated door bell by Edwin Swan of Indiana. That would be patent 237,455. On Google Books, the earliest mention is 1885 is a reference to a patent for an "electric door bell pull", patent 296,812.Kaltenmeyer (talk) 19:13, 4 October 2012 (UTC)

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