NL8100448A - Groeftaster en/of snijder. - Google Patents

Groeftaster en/of snijder. Download PDF

Info

Publication number
NL8100448A
NL8100448A NL8100448A NL8100448A NL8100448A NL 8100448 A NL8100448 A NL 8100448A NL 8100448 A NL8100448 A NL 8100448A NL 8100448 A NL8100448 A NL 8100448A NL 8100448 A NL8100448 A NL 8100448A
Authority
NL
Netherlands
Prior art keywords
magnetic
slot
pole shoe
probe
cavity
Prior art date
Application number
NL8100448A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8100448A priority Critical patent/NL8100448A/nl
Priority to US06/333,362 priority patent/US4456984A/en
Priority to EP82200027A priority patent/EP0057476B1/en
Priority to DE8282200027T priority patent/DE3260546D1/de
Priority to DK036382A priority patent/DK153617B/da
Priority to JP57010272A priority patent/JPS57143999A/ja
Priority to ES509124A priority patent/ES8302396A1/es
Priority to CA000395132A priority patent/CA1179950A/en
Priority to AT0033482A priority patent/AT372793B/de
Priority to AU79959/82A priority patent/AU7995982A/en
Publication of NL8100448A publication Critical patent/NL8100448A/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Magnetic Heads (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Hard Magnetic Materials (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
NL8100448A 1981-01-30 1981-01-30 Groeftaster en/of snijder. NL8100448A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL8100448A NL8100448A (nl) 1981-01-30 1981-01-30 Groeftaster en/of snijder.
US06/333,362 US4456984A (en) 1981-01-30 1981-12-22 Magnetic pick-up and/or cutter cartridge
EP82200027A EP0057476B1 (en) 1981-01-30 1982-01-12 Pick-up and/or cutter
DE8282200027T DE3260546D1 (en) 1981-01-30 1982-01-12 Pick-up and/or cutter
DK036382A DK153617B (da) 1981-01-30 1982-01-27 Pick-up- og/eller skaerehoved
JP57010272A JPS57143999A (en) 1981-01-30 1982-01-27 Pickup and/or cutter
ES509124A ES8302396A1 (es) 1981-01-30 1982-01-28 "un dispositivo captador y-o cortador para explorar y-o cortar informacion en una pista de un portador de registro discoidal".
CA000395132A CA1179950A (en) 1981-01-30 1982-01-28 Pick-up and/or cutter
AT0033482A AT372793B (de) 1981-01-30 1982-01-29 Rillenabtaster und/oder -schneider
AU79959/82A AU7995982A (en) 1981-01-30 1982-01-29 Pick-up and/or cutter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8100448 1981-01-30
NL8100448A NL8100448A (nl) 1981-01-30 1981-01-30 Groeftaster en/of snijder.

Publications (1)

Publication Number Publication Date
NL8100448A true NL8100448A (nl) 1982-08-16

Family

ID=19836945

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8100448A NL8100448A (nl) 1981-01-30 1981-01-30 Groeftaster en/of snijder.

Country Status (10)

Country Link
US (1) US4456984A (da)
EP (1) EP0057476B1 (da)
JP (1) JPS57143999A (da)
AT (1) AT372793B (da)
AU (1) AU7995982A (da)
CA (1) CA1179950A (da)
DE (1) DE3260546D1 (da)
DK (1) DK153617B (da)
ES (1) ES8302396A1 (da)
NL (1) NL8100448A (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228300C2 (de) * 1982-07-29 1984-12-06 Philips Patentverwaltung Gmbh, 2000 Hamburg Tonabnehmer zum Auslesen von Informationen aus der Rille einer sich drehenden Informationsträgerplatte
US7259318B2 (en) * 2004-03-16 2007-08-21 Ilitch S. Chiliachki Magnetic pickup device for a stringed musical instrument with large free shape low impedance coil for noise cancelation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1651922A (en) * 1925-09-18 1927-12-06 Hughes Benjamin Shield for use with electrical appliances
US2320632A (en) * 1939-11-27 1943-06-01 G M Lab Inc Method of producing magnet structures
US2469137A (en) * 1945-10-20 1949-05-03 Waugh Equipment Co Vibration indicator
US2652521A (en) * 1949-08-22 1953-09-15 Nu Way Corp Shield for transformer coils
US3077522A (en) * 1959-02-27 1963-02-12 Shure Bros Stereophonic pickup cartridge
US3575034A (en) * 1965-10-14 1971-04-13 Amp Inc Method of forming
NL7404359A (nl) * 1974-04-01 1975-10-03 Philips Nv Groeftaster en/of snijder.
JPS5326122B2 (da) * 1975-01-31 1978-07-31
DE2603092B2 (de) * 1976-01-28 1979-04-19 Electroacustic Gmbh, 2300 Kiel Elektromagnetischer Tonabnehmer
JPS5678300A (en) * 1979-11-29 1981-06-27 Matsushita Electric Ind Co Ltd Electromagnetic type pickup cartridge

Also Published As

Publication number Publication date
DE3260546D1 (en) 1984-09-20
DK36382A (da) 1982-07-31
EP0057476A3 (en) 1982-09-01
JPS57143999A (en) 1982-09-06
AU7995982A (en) 1982-08-05
CA1179950A (en) 1984-12-27
US4456984A (en) 1984-06-26
DK153617B (da) 1988-08-01
ES509124A0 (es) 1982-12-16
ES8302396A1 (es) 1982-12-16
EP0057476A2 (en) 1982-08-11
AT372793B (de) 1983-11-10
EP0057476B1 (en) 1984-08-15
ATA33482A (de) 1983-03-15

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed