GB1494645A - Phonograph pickup - Google Patents

Phonograph pickup

Info

Publication number
GB1494645A
GB1494645A GB49892/74A GB4989274A GB1494645A GB 1494645 A GB1494645 A GB 1494645A GB 49892/74 A GB49892/74 A GB 49892/74A GB 4989274 A GB4989274 A GB 4989274A GB 1494645 A GB1494645 A GB 1494645A
Authority
GB
United Kingdom
Prior art keywords
drive
cantilever
frame
supported
piezoelectric
Prior art date
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.)
Expired
Application number
GB49892/74A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP13623173U external-priority patent/JPS5081204U/ja
Priority claimed from JP1160374A external-priority patent/JPS50105103A/ja
Priority claimed from JP7248074U external-priority patent/JPS512203U/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1494645A publication Critical patent/GB1494645A/en
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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—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)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB49892/74A 1973-11-26 1974-11-18 Phonograph pickup Expired GB1494645A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13623173U JPS5081204U (enExample) 1973-11-26 1973-11-26
JP1160374A JPS50105103A (enExample) 1974-01-28 1974-01-28
JP7248074U JPS512203U (enExample) 1974-06-19 1974-06-19

Publications (1)

Publication Number Publication Date
GB1494645A true GB1494645A (en) 1977-12-07

Family

ID=27279494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49892/74A Expired GB1494645A (en) 1973-11-26 1974-11-18 Phonograph pickup

Country Status (6)

Country Link
BE (1) BE822549A (enExample)
CA (1) CA1012893A (enExample)
DE (1) DE2455400C3 (enExample)
FR (1) FR2252620B1 (enExample)
GB (1) GB1494645A (enExample)
NL (1) NL168979C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1523364A (en) * 1975-02-19 1978-08-31 Matsushita Electric Industrial Co Ltd Phonograph pickup

Also Published As

Publication number Publication date
DE2455400C3 (de) 1980-11-13
BE822549A (fr) 1975-03-14
FR2252620A1 (enExample) 1975-06-20
NL168979C (nl) 1982-05-17
FR2252620B1 (enExample) 1980-05-30
CA1012893A (en) 1977-06-28
NL168979B (nl) 1981-12-16
DE2455400A1 (de) 1975-10-16
NL7414924A (nl) 1975-05-28
DE2455400B2 (enExample) 1980-03-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee