GB406086A - Improvements in or relating to permanent magnets - Google Patents

Improvements in or relating to permanent magnets

Info

Publication number
GB406086A
GB406086A GB3095732A GB3095732A GB406086A GB 406086 A GB406086 A GB 406086A GB 3095732 A GB3095732 A GB 3095732A GB 3095732 A GB3095732 A GB 3095732A GB 406086 A GB406086 A GB 406086A
Authority
GB
United Kingdom
Prior art keywords
permanent magnets
relating
per cent
alloy
remanence
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
GB3095732A
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.)
DARWINS Ltd
Original Assignee
DARWINS Ltd
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 DARWINS Ltd filed Critical DARWINS Ltd
Priority to GB3095732A priority Critical patent/GB406086A/en
Publication of GB406086A publication Critical patent/GB406086A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

Permanent magnets are formed of an alloy the coercive force of which is greater than the remanence, a suitable alloy consisting of 87 per cent of silver, 9 per cent of manganese and 4 per cent of aluminium.
GB3095732A 1932-11-03 1932-11-03 Improvements in or relating to permanent magnets Expired GB406086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3095732A GB406086A (en) 1932-11-03 1932-11-03 Improvements in or relating to permanent magnets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3095732A GB406086A (en) 1932-11-03 1932-11-03 Improvements in or relating to permanent magnets

Publications (1)

Publication Number Publication Date
GB406086A true GB406086A (en) 1934-02-22

Family

ID=10315733

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3095732A Expired GB406086A (en) 1932-11-03 1932-11-03 Improvements in or relating to permanent magnets

Country Status (1)

Country Link
GB (1) GB406086A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767202C (en) * 1935-01-27 1952-02-14 Deuta Werke Gmbh Magnet system for direct current moving coil instruments of the hook pole type
US2598210A (en) * 1945-06-01 1952-05-27 Beacham Thomas Edward Filter
US2698917A (en) * 1951-04-23 1955-01-04 Hartford Nat Bank & Trust Co Magnetic circuit comprising a ferromagnetic part having high permeability and a substantially flat, thin permanent magnet
US2727192A (en) * 1951-04-23 1955-12-13 Hartford Nat Bank & Trust Co Magnetic body comprising a ferromagnetic part having a high permeability and a thin permanent magnet
DE971374C (en) * 1951-04-23 1959-01-15 Philips Nv Magnet body, consisting of a ferromagnetic part with high permeability and an embedded permanent magnet in the form of a thin, elongated body
DE975665C (en) * 1951-04-23 1962-04-19 Philips Nv Magnetic circuit arrangement with a soft iron part and a disk-shaped permanent magnet
DE976970C (en) * 1951-04-23 1964-10-01 Philips Nv Almost closed ferromagnetic core with an air gap and possibly consisting of several parts

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767202C (en) * 1935-01-27 1952-02-14 Deuta Werke Gmbh Magnet system for direct current moving coil instruments of the hook pole type
US2598210A (en) * 1945-06-01 1952-05-27 Beacham Thomas Edward Filter
US2698917A (en) * 1951-04-23 1955-01-04 Hartford Nat Bank & Trust Co Magnetic circuit comprising a ferromagnetic part having high permeability and a substantially flat, thin permanent magnet
US2727192A (en) * 1951-04-23 1955-12-13 Hartford Nat Bank & Trust Co Magnetic body comprising a ferromagnetic part having a high permeability and a thin permanent magnet
DE971374C (en) * 1951-04-23 1959-01-15 Philips Nv Magnet body, consisting of a ferromagnetic part with high permeability and an embedded permanent magnet in the form of a thin, elongated body
DE975665C (en) * 1951-04-23 1962-04-19 Philips Nv Magnetic circuit arrangement with a soft iron part and a disk-shaped permanent magnet
DE976970C (en) * 1951-04-23 1964-10-01 Philips Nv Almost closed ferromagnetic core with an air gap and possibly consisting of several parts

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