GB1217912A - Improvements in or relating to audio-frequency mechano electric transducer devices - Google Patents

Improvements in or relating to audio-frequency mechano electric transducer devices

Info

Publication number
GB1217912A
GB1217912A GB5343/68A GB534368A GB1217912A GB 1217912 A GB1217912 A GB 1217912A GB 5343/68 A GB5343/68 A GB 5343/68A GB 534368 A GB534368 A GB 534368A GB 1217912 A GB1217912 A GB 1217912A
Authority
GB
United Kingdom
Prior art keywords
pick
housing
grease
transducer
audio
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
GB5343/68A
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.)
TECHNICAL C E R A M I C S Ltd
Original Assignee
TECHNICAL C E R A M I C S 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
Application filed by TECHNICAL C E R A M I C S Ltd filed Critical TECHNICAL C E R A M I C S Ltd
Publication of GB1217912A publication Critical patent/GB1217912A/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; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R21/00—Variable-resistance transducers
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Vibration Prevention Devices (AREA)
GB5343/68A 1967-02-15 1968-02-02 Improvements in or relating to audio-frequency mechano electric transducer devices Expired GB1217912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61627667A 1967-02-15 1967-02-15

Publications (1)

Publication Number Publication Date
GB1217912A true GB1217912A (en) 1971-01-06

Family

ID=24468740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5343/68A Expired GB1217912A (en) 1967-02-15 1968-02-02 Improvements in or relating to audio-frequency mechano electric transducer devices

Country Status (7)

Country Link
US (1) US3475565A (https=)
BE (1) BE710815A (https=)
CH (1) CH486182A (https=)
DE (1) DE1622074A1 (https=)
FR (1) FR1555073A (https=)
GB (1) GB1217912A (https=)
NL (1) NL6801815A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836794A (en) * 1969-08-01 1974-09-17 Denki Onkyo Co Ltd Piezoelectric transformers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519185A (en) * 1947-03-21 1950-08-15 Brush Dev Co Phonograph pickup
US2594948A (en) * 1947-10-30 1952-04-29 Brush Dev Co Electromechanical transducer unit
US2879413A (en) * 1956-08-21 1959-03-24 Sonotone Corp Phonograph pickups
US3377439A (en) * 1958-04-03 1968-04-09 Erie Technological Prod Inc Binaural piezoelectric pickup

Also Published As

Publication number Publication date
BE710815A (https=) 1968-06-17
FR1555073A (https=) 1969-01-24
DE1622074A1 (de) 1970-10-29
CH486182A (de) 1970-02-15
NL6801815A (https=) 1968-08-16
US3475565A (en) 1969-10-28

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