JPS503303A - - Google Patents

Info

Publication number
JPS503303A
JPS503303A JP48051738A JP5173873A JPS503303A JP S503303 A JPS503303 A JP S503303A JP 48051738 A JP48051738 A JP 48051738A JP 5173873 A JP5173873 A JP 5173873A JP S503303 A JPS503303 A JP S503303A
Authority
JP
Japan
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.)
Granted
Application number
JP48051738A
Other languages
Japanese (ja)
Other versions
JPS5121769B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP48051738A priority Critical patent/JPS5121769B2/ja
Priority to US468575A priority patent/US3899827A/en
Publication of JPS503303A publication Critical patent/JPS503303A/ja
Publication of JPS5121769B2 publication Critical patent/JPS5121769B2/ja
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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49799—Providing transitory integral holding or handling portion

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacture Of Motors, Generators (AREA)
JP48051738A 1973-05-11 1973-05-11 Expired JPS5121769B2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP48051738A JPS5121769B2 (enrdf_load_stackoverflow) 1973-05-11 1973-05-11
US468575A US3899827A (en) 1973-05-11 1974-05-09 Method of manufacturing pole piece assembly for electromagnetic type pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48051738A JPS5121769B2 (enrdf_load_stackoverflow) 1973-05-11 1973-05-11

Publications (2)

Publication Number Publication Date
JPS503303A true JPS503303A (enrdf_load_stackoverflow) 1975-01-14
JPS5121769B2 JPS5121769B2 (enrdf_load_stackoverflow) 1976-07-05

Family

ID=12895228

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48051738A Expired JPS5121769B2 (enrdf_load_stackoverflow) 1973-05-11 1973-05-11

Country Status (2)

Country Link
US (1) US3899827A (enrdf_load_stackoverflow)
JP (1) JPS5121769B2 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450504U (enrdf_load_stackoverflow) * 1977-09-16 1979-04-07
JPS5661895A (en) * 1979-10-25 1981-05-27 Matsushita Electric Ind Co Ltd Electromagnetic type pickup cartridge
US20090242822A1 (en) * 2006-09-07 2009-10-01 Michele Gerster Perfluoroalkyl substituted phenol derivatives as surface modifiers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161631A (en) * 1974-12-13 1979-07-17 Nippon Columbia Kabushikikaisha Pickup cartridge

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1631461A (en) * 1924-12-01 1927-06-07 Gen Phonograph Mfg Co Commutator and method of making same
US3163720A (en) * 1959-02-05 1964-12-29 Webcor Inc Magnetic head
US3092692A (en) * 1959-07-13 1963-06-04 Zenith Radio Corp Magnetic transcriber
US3229355A (en) * 1962-01-02 1966-01-18 Ibm Method of making a magnetic transducer head
DE1447117B2 (de) * 1963-12-23 1970-11-05 Electroacustic Gmbh, 2300 Kiel Elektromagnetischer Tonabnehmer mit auswechselbarem Abtastorgan
US3828426A (en) * 1972-12-26 1974-08-13 Phelon Co Inc Method of fabricating magnetomotive devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450504U (enrdf_load_stackoverflow) * 1977-09-16 1979-04-07
JPS5661895A (en) * 1979-10-25 1981-05-27 Matsushita Electric Ind Co Ltd Electromagnetic type pickup cartridge
US20090242822A1 (en) * 2006-09-07 2009-10-01 Michele Gerster Perfluoroalkyl substituted phenol derivatives as surface modifiers

Also Published As

Publication number Publication date
US3899827A (en) 1975-08-19
JPS5121769B2 (enrdf_load_stackoverflow) 1976-07-05

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