When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Doorbell - Wikipedia

   en.wikipedia.org/wiki/Doorbell

   Doorbell mechanism from 1884 in Andrássy Avenue, Budapest Antique mechanically operated shop doorbell on a torsion spring. William Murdoch, a Scottish inventor, installed a number of his own innovations in his house, built in Birmingham in 1817; one of these was a loud doorbell, that worked using a piped system of compressed air. [1]

3. Smart doorbell - Wikipedia

   en.wikipedia.org/wiki/Smart_doorbell

   A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

4. Ring (company) - Wikipedia

   en.wikipedia.org/wiki/Ring_(company)

   The "Ring Chime" accessory is a unit plugged into a power outlet to play the doorbell's chime. The "Chime Pro" is an extended version that also doubles as a wireless repeater for Wi-Fi networks. [46] In November 2020, Amazon announced the recall of 350,000 Ring doorbells in the United States and 8,700 in Canada due to a potential fire risk. [47]

5. Electric bell - Wikipedia

   en.wikipedia.org/wiki/Electric_bell

   These were single-stroke bells: applying current to an electromagnet pulled the bell's clapper against the bell or gong and gave one chime. The bell did not ring continuously, but only with a single ring, until current was applied again. To sustain the tone, these bells were usually much larger than are used today with interrupter bells.

6. Nurse call button - Wikipedia

   en.wikipedia.org/wiki/Nurse_call_button

   Pancake nurse call button for limited mobility patients A nurse call button on a pillow speaker with TV controls This hospital bed has a nurse call button on its rails. A nurse call button is a button or cord found in hospitals and nursing homes, at places where patients are at their most vulnerable, such as beside their bed and in the bathroom. [1]

7. List of carillons in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_carillons_in_the...

   Contains the Fletcher Symphonic Carillon (also known as the Fletcher Chimes) (installed 1946), consisting of 204 bells over 6 octaves. Installed in 1946, a carillon was added to Balboa Park's California Building. San Jose: Trinity Episcopal Cathedral: Existing 18-bell chime expanded to a 24-bells carillon in a donor-funded project completed in ...