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
GB1379421A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co IncfiledCriticalWestern Electric Co Inc
Priority to GB1379421ApriorityCriticalpatent/GB188688A/en
Publication of GB188688ApublicationCriticalpatent/GB188688A/en
H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
H01B11/00—Communication cables or conductors
H01B11/02—Cables with twisted pairs or quads
H01B11/12—Arrangements for exhibiting specific transmission characteristics
Abstract
188,688. Western Electric Co., Ltd., (Western Electric Co., Inc.). May 17, 1921. Drawings to Specification. Transformers.-A magnetic material applicable for transformer cores, frequency changers, and modulators, comprises nickel and iron, for example 78.5 per cent of nickel and 21.5 per cent of iron.
GB1379421A1921-05-171921-05-17Improved magnetic material
ExpiredGB188688A
(en)