GB737550A - Improvements in or relating to printed or the like electrical circuits - Google Patents

Improvements in or relating to printed or the like electrical circuits

Info

Publication number
GB737550A
GB737550A GB3613453A GB3613453A GB737550A GB 737550 A GB737550 A GB 737550A GB 3613453 A GB3613453 A GB 3613453A GB 3613453 A GB3613453 A GB 3613453A GB 737550 A GB737550 A GB 737550A
Authority
GB
United Kingdom
Prior art keywords
carrier
track
printed
turns
line
Prior art date
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
GB3613453A
Inventor
John Albert Leno
Arthur Mackenzie Searle
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3613453A priority Critical patent/GB737550A/en
Publication of GB737550A publication Critical patent/GB737550A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/0006Printed inductances

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

737,550. Transformers and inductors; electric coils. STANDARD TELEPHONES & CABLES, Ltd. Dec. 30, 1953, No. 36134/53. Classes 35 and 38 (2). A method of producing an inductive winding comprises printing or otherwise depositing a conductive track 2 on one surface of a flat insulating carrier 1 and folding the carrier through 180 degrees on a line crossed by the track-such as the dotted lines 7, 8, 9. Thus portions of the track on each side of the linefor example the track portions 12 and 13 on each side of the line 9 are brought into a relative position about an axis at right angles to the surface of the carrier to form one turn of the winding. To produce a winding having a greater number of turns than shown in Figs. 1 and 3, the track is printed as shown in Fig. 4, the initial fold being along the line 17, subsequent folds being made along lines 18, 19, 20. To obtain even more turns, more than one loop as shown in Fig. 4 may be printed concentrically therewith. When folding the carrier the requisite insulation may be inserted between the turns. Two such windings may be interleaved to form a transformer. Alternatively the two windings may be printed one on each side of the carrier. Specification 639,591 is referred to.
GB3613453A 1953-12-30 1953-12-30 Improvements in or relating to printed or the like electrical circuits Expired GB737550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3613453A GB737550A (en) 1953-12-30 1953-12-30 Improvements in or relating to printed or the like electrical circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3613453A GB737550A (en) 1953-12-30 1953-12-30 Improvements in or relating to printed or the like electrical circuits

Publications (1)

Publication Number Publication Date
GB737550A true GB737550A (en) 1955-09-28

Family

ID=10385311

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3613453A Expired GB737550A (en) 1953-12-30 1953-12-30 Improvements in or relating to printed or the like electrical circuits

Country Status (1)

Country Link
GB (1) GB737550A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264395A (en) * 1992-02-21 1993-08-25 Gen Electric Z-foldable winding for a multi-pole transformer
EP0786784A1 (en) * 1996-01-25 1997-07-30 Robert Bosch Gmbh Coil and method for the fabrication of coils

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264395A (en) * 1992-02-21 1993-08-25 Gen Electric Z-foldable winding for a multi-pole transformer
GB2264395B (en) * 1992-02-21 1996-06-19 Gen Electric Z-foldable secondary winding for a low-profile,multi-pole transformer
EP0786784A1 (en) * 1996-01-25 1997-07-30 Robert Bosch Gmbh Coil and method for the fabrication of coils

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