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Craftsman — re-branded Chamberlain models sold at Sears. Those products have a "139" model prefix to denote that the Chamberlain Group made them for Sears. Clicker — a line of universal garage door remotes. Chamberlain, LiftMaster, and Craftsman have interchangeable parts, primarily the gear and circuit boards.
The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.
Simple remote control systems use a fixed code word; the code word that opens the gate today will also open the gate tomorrow. An attacker with an appropriate receiver could discover the code word and use it to gain access sometime later. More sophisticated remote control systems use a rolling code (or hopping code) that changes for every use.
Sears, Roebuck and Co., commonly known as Sears (/ s ɪər z / SEERZ), [6] is an American chain of department stores founded in 1892 by Richard Warren Sears and Alvah Curtis Roebuck and reincorporated in 1906 by Richard Sears and Julius Rosenwald, with what began as a mail-order catalog company migrating to opening retail locations in 1925, the first in Chicago. [7]
Kyma has characteristics of both object-oriented and functional programming languages. The basic unit in Kyma is the Sound object, not the note of traditional music notation. A Sound is defined as: A Sound atom; A unary transform T(s) where s is a Sound; An n-ary transform T(s 1, s 2,.., s n), where s 1,s 2,..s n are Sounds [1]
Richard Long (1933–1986) was an American sound designer. [ 1 ] [ 2 ] He is known as the preeminent sound designer of the disco era, having installed systems at clubs including Paradise Garage , Dorian Gray , Studio 54 , City Hall, Max's Kansas City and Roxy Roller Rink.
Silvertone is a brand created and promoted by Sears for its line of consumer electronics and musical instruments from 1916 to 1972. [1]The rights to the Silvertone brand were purchased by South Korean corporation Samick Music [3] in 2001.
A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio-frequency (RF) power amplifier , some of which have output power measured in kilowatts , and are used in amateur radio .