CH327013A - Pickups with at least two needles, the holders of which are externally damped - Google Patents

Pickups with at least two needles, the holders of which are externally damped

Info

Publication number
CH327013A
CH327013A CH327013DA CH327013A CH 327013 A CH327013 A CH 327013A CH 327013D A CH327013D A CH 327013DA CH 327013 A CH327013 A CH 327013A
Authority
CH
Switzerland
Prior art keywords
pickups
needles
holders
damped
externally
Prior art date
Application number
Other languages
German (de)
Inventor
Cornelis Lalesse Herman
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 CH327013A publication Critical patent/CH327013A/en

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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/16—Mounting or connecting stylus to transducer with or without damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
CH327013D 1954-03-10 1955-03-08 Pickups with at least two needles, the holders of which are externally damped CH327013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL185764 1954-03-10

Publications (1)

Publication Number Publication Date
CH327013A true CH327013A (en) 1958-01-15

Family

ID=19750656

Family Applications (1)

Application Number Title Priority Date Filing Date
CH327013D CH327013A (en) 1954-03-10 1955-03-08 Pickups with at least two needles, the holders of which are externally damped

Country Status (7)

Country Link
US (1) US2868893A (en)
BE (1) BE536330A (en)
CH (1) CH327013A (en)
DE (1) DE962653C (en)
FR (1) FR1120394A (en)
GB (1) GB765621A (en)
NL (1) NL87749C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1054727B (en) * 1955-05-04 1959-04-09 Funkwerk Leipzig Veb Piezoelectric pickup system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563860A (en) * 1946-10-11 1951-08-14 Gray Mfg Co Sound recording and reproducing head
US2570578A (en) * 1949-03-11 1951-10-09 Magnavox Co Dual stylus phonograph pickup
US2777016A (en) * 1952-12-19 1957-01-08 Electro Voice Dual needle phonograph cartridge

Also Published As

Publication number Publication date
US2868893A (en) 1959-01-13
NL87749C (en)
BE536330A (en)
DE962653C (en) 1957-04-25
FR1120394A (en) 1956-07-04
GB765621A (en) 1957-01-09

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