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...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!

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Class 340/308 - Controlled by door of signal box


Subclass of Class 340 - Communications: electrical
Definition: Subject matter in which the signal is sent automatically
No. of patents: 7
Last issue date: 08/05/2008


NumberTitleIssue Date
7408443Circuit and method for reducing fixed pattern noise
An image sensor and method, which includes a switching device for establishing a connection between at least one column line and one of at least two analog-to-digital converter blocks, where at least one of the at least two analog-to-digital converter blocks is conn...
08/05/2008
7276805Manual-powered generator and assemblies therewith
The invention provides a manually-powered electrical assembly. In one aspect, the manually-powered electrical assembly can be a light assembly that comprises a light source, an electrical generator, and a manual actuator assembly. The electrical generator is electri...
10/02/2007
6097279Retractable tamper resistant annunciator
An improved retractable tamper resistant annunciator that can be mounted flush in a supporting structure is described. The annunciator mechanism includes a housing that has an actuatable cover. Signaling devices are enclosed within the housing, and can be...
08/01/2000
5760678Manual modular pull station
A pull box for an emergency alarm system is disclosed having a modular construction that accommodates one or more optional modules in order to provide a wide variety of possible configurations. Also, the basic design of the pull station provides for its r...
06/02/1998
4706065Pull station
A pull station having a housing of unitary construction with integral cover and base portions, the cover portion having a handle so that the cover portion can be pulled away from the base portion when a signal, such as an alarm signal, is to be generated,...
11/10/1987
4638297Remote signaling box
A remote signaling box uses no glass or breakable parts. The signal box has an unbreakable door that protects a sliding panel and activator which constrains the internal alarm switch. When the door is closed, a foolproof interlock in the sliding panel pre...
01/20/1987
4424510Fire alarm system
The invention relates to a fire alarm system in which the fire alarm is located in an enclosure which must be entered by the operator of the fire alarm, and the door to the enclosure, or opening through which the operator passes, must be closed in order t...
01/03/1984
 
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