AT344417B - Rillenabtast- und/oder -schneidvorrichtung - Google Patents

Rillenabtast- und/oder -schneidvorrichtung

Info

Publication number
AT344417B
AT344417B AT242075A AT242075A AT344417B AT 344417 B AT344417 B AT 344417B AT 242075 A AT242075 A AT 242075A AT 242075 A AT242075 A AT 242075A AT 344417 B AT344417 B AT 344417B
Authority
AT
Austria
Prior art keywords
cutting device
groove scanning
scanning
groove
cutting
Prior art date
Application number
AT242075A
Other languages
German (de)
English (en)
Other versions
ATA242075A (de
Inventor
Elzo Smit
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
Publication of ATA242075A publication Critical patent/ATA242075A/de
Application granted granted Critical
Publication of AT344417B publication Critical patent/AT344417B/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Magnetic Variables (AREA)
  • Electromagnets (AREA)
  • Adjustable Resistors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
AT242075A 1974-04-01 1975-03-28 Rillenabtast- und/oder -schneidvorrichtung AT344417B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7404359A NL7404359A (nl) 1974-04-01 1974-04-01 Groeftaster en/of snijder.

Publications (2)

Publication Number Publication Date
ATA242075A ATA242075A (de) 1977-11-15
AT344417B true AT344417B (de) 1978-07-25

Family

ID=19821084

Family Applications (1)

Application Number Title Priority Date Filing Date
AT242075A AT344417B (de) 1974-04-01 1975-03-28 Rillenabtast- und/oder -schneidvorrichtung

Country Status (13)

Country Link
US (1) US4031335A (OSRAM)
JP (1) JPS5323693B2 (OSRAM)
AT (1) AT344417B (OSRAM)
BE (1) BE827433A (OSRAM)
CA (1) CA1013683A (OSRAM)
CH (1) CH584496A5 (OSRAM)
DE (1) DE2512467C3 (OSRAM)
DK (1) DK131275A (OSRAM)
ES (1) ES436140A1 (OSRAM)
FR (1) FR2266412B1 (OSRAM)
GB (1) GB1505884A (OSRAM)
IT (1) IT1030496B (OSRAM)
NL (1) NL7404359A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5279903A (en) * 1975-12-25 1977-07-05 Torio Kk Pickup cartridge
JPS5487504A (en) * 1977-12-23 1979-07-12 Alps Electric Co Ltd Electromagnetic pickup cartridge
NL8100448A (nl) * 1981-01-30 1982-08-16 Philips Nv Groeftaster en/of snijder.
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
DE3228299A1 (de) * 1982-07-29 1984-02-02 Philips Patentverwaltung Gmbh, 2000 Hamburg Tonabnehmer zum auslesen von informationen aus der rille einer sich drehenden informationstraegerplatte

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3043920A (en) * 1957-02-15 1962-07-10 Electro Sonic Lab Inc Electromagnetic phonograph pickups
US3055988A (en) * 1957-04-08 1962-09-25 Shure Bros Magnetic phonograph pickup
GB930366A (en) * 1958-11-10 1963-07-03 Bang & Olufsen Produktionssels Stereophonic pick-up having a single stylus
DE1112841B (de) * 1960-04-08 1961-08-17 Telefunken Gmbh Elektrisch-mechanischer Wandler
US3294405A (en) * 1963-12-11 1966-12-27 Audio Dynamics Corp Phonograph pick-up
US3441688A (en) * 1966-04-18 1969-04-29 Empire Scient Corp Electromagnetic phonograph pickup cartridges with zero balanced armature flux
SE347636B (OSRAM) * 1968-08-14 1972-08-07 Audio Technica Kk
US3646279A (en) * 1970-12-07 1972-02-29 Pickering & Co Inc Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly and one common pole piece

Also Published As

Publication number Publication date
US4031335A (en) 1977-06-21
FR2266412B1 (OSRAM) 1982-03-26
BE827433A (fr) 1975-10-01
FR2266412A1 (OSRAM) 1975-10-24
DE2512467B2 (de) 1978-06-08
JPS5323693B2 (OSRAM) 1978-07-17
ES436140A1 (es) 1977-02-01
DE2512467C3 (de) 1979-02-08
DE2512467A1 (de) 1975-10-09
GB1505884A (en) 1978-03-30
ATA242075A (de) 1977-11-15
NL7404359A (nl) 1975-10-03
IT1030496B (it) 1979-03-30
AU7957575A (en) 1976-09-30
CH584496A5 (OSRAM) 1977-01-31
JPS50137103A (OSRAM) 1975-10-31
DK131275A (OSRAM) 1975-10-02
CA1013683A (en) 1977-07-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee