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 (en
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 (en)

Priority Applications (2)

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

Publications (2)

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

Family

ID=12895228

Family Applications (1)

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

Country Status (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450504U (en) * 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 (en) * 1963-12-23 1970-11-05 Electroacustic Gmbh, 2300 Kiel Electromagnetic pick-up with exchangeable pick-up element
US3828426A (en) * 1972-12-26 1974-08-13 Phelon Co Inc Method of fabricating magnetomotive devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5450504U (en) * 1977-09-16 1979-04-07
JPS5824556Y2 (en) * 1977-09-16 1983-05-26 パイオニア株式会社 Pickup Cartridge
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
JPS5121769B2 (en) 1976-07-05
US3899827A (en) 1975-08-19

Similar Documents

Publication Publication Date Title
AR201758A1 (en)
AU465372B2 (en)
AR201235Q (en)
AR201231Q (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
AU465453B2 (en)
AU471343B2 (en)
AU465434B2 (en)
AU450229B2 (en)
FR2255669A1 (en)
AR201229Q (en)
AU466283B2 (en)
AU472848B2 (en)
AR199451A1 (en)
JPS5121769B2 (en)
AR193950A1 (en)
AR210729A1 (en)
AR195311A1 (en)
AR201432A1 (en)
AR195948A1 (en)
AR197627A1 (en)
AR196382A1 (en)
AU471461B2 (en)