GB918418A - Improvements in and relating to transducers - Google Patents

Improvements in and relating to transducers

Info

Publication number
GB918418A
GB918418A GB38489/57A GB3848957A GB918418A GB 918418 A GB918418 A GB 918418A GB 38489/57 A GB38489/57 A GB 38489/57A GB 3848957 A GB3848957 A GB 3848957A GB 918418 A GB918418 A GB 918418A
Authority
GB
United Kingdom
Prior art keywords
stylus
assembly
casing
movement
plates
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
GB38489/57A
Other languages
English (en)
Inventor
Carl Trevor Heinlein
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.)
Cosmocord Ltd
Original Assignee
Cosmocord 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 to NL234056D priority Critical patent/NL234056A/xx
Priority to NL109161D priority patent/NL109161C/xx
Application filed by Cosmocord Ltd filed Critical Cosmocord Ltd
Priority to GB38489/57A priority patent/GB918418A/en
Priority to US778926A priority patent/US3067296A/en
Publication of GB918418A publication Critical patent/GB918418A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Position Input By Displaying (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB38489/57A 1957-12-11 1957-12-11 Improvements in and relating to transducers Expired GB918418A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL234056D NL234056A (enExample) 1957-12-11
NL109161D NL109161C (enExample) 1957-12-11
GB38489/57A GB918418A (en) 1957-12-11 1957-12-11 Improvements in and relating to transducers
US778926A US3067296A (en) 1957-12-11 1958-12-08 Piezoelectric stereo cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38489/57A GB918418A (en) 1957-12-11 1957-12-11 Improvements in and relating to transducers

Publications (1)

Publication Number Publication Date
GB918418A true GB918418A (en) 1963-02-13

Family

ID=10403796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38489/57A Expired GB918418A (en) 1957-12-11 1957-12-11 Improvements in and relating to transducers

Country Status (3)

Country Link
US (1) US3067296A (enExample)
GB (1) GB918418A (enExample)
NL (2) NL234056A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582692A (en) * 1968-05-01 1971-06-01 U S Research Corp Resiliently supported sensing transducer
US3604958A (en) * 1970-05-14 1971-09-14 U S Research Corp Sensing transducer
JPS4969283A (enExample) * 1972-11-08 1974-07-04

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137188A (en) * 1937-11-20 1938-11-15 Stewart C Whitman Piezoelectric crystal mirror system for sound recording
US2769867A (en) * 1947-02-07 1956-11-06 Sonotone Corp Dielectrostrictive signal and energy transducers
US2775460A (en) * 1951-05-15 1956-12-25 Ian M Shivack Binaural recording system

Also Published As

Publication number Publication date
US3067296A (en) 1962-12-04
NL109161C (enExample)
NL234056A (enExample)

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