Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2090125A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FULLER S UNITED ELECTRIC WORKS
Original Assignee
FULLER S UNITED ELECTRIC WORKS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FULLER S UNITED ELECTRIC WORKSfiledCriticalFULLER S UNITED ELECTRIC WORKS
Priority to GB2090125ApriorityCriticalpatent/GB260701A/en
Publication of GB260701ApublicationCriticalpatent/GB260701A/en
H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
H03J1/14—Special arrangements for fine and coarse tuning
Landscapes
Selective Calling Equipment
(AREA)
Abstract
260,701. Fuller's United Electric Works, Ltd., and Welch, A. P. Aug. 20, 1925. Couplings.-Interchangeable, variable tuning or coupling units for wireless circuits comprise a casing a, Fig. 1, containing relatively adjustable coils connected to hemispherical projecting contacts b<1>, c<1> on the casing a co-operating with upstanding spring contacts h, Fig. 3, on a base j. When the unit is pressed down into its place between the springs h, it is held in position and the electrical connections are established.
GB2090125A1925-08-201925-08-20Improvements in and relating to tuning devices for wireless circuits
ExpiredGB260701A
(en)