GB282906A - Improvements in or relating to means for recording or reproducing sound - Google Patents

Improvements in or relating to means for recording or reproducing sound

Info

Publication number
GB282906A
GB282906A GB24425/26A GB2442526A GB282906A GB 282906 A GB282906 A GB 282906A GB 24425/26 A GB24425/26 A GB 24425/26A GB 2442526 A GB2442526 A GB 2442526A GB 282906 A GB282906 A GB 282906A
Authority
GB
United Kingdom
Prior art keywords
crystal
electrodes
face
records
parts
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
GB24425/26A
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.)
Individual
Original Assignee
Individual
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 BE345853D priority Critical patent/BE345853A/xx
Application filed by Individual filed Critical Individual
Priority to GB24425/26A priority patent/GB282906A/en
Priority to FR641562D priority patent/FR641562A/fr
Priority to US222543A priority patent/US1737253A/en
Publication of GB282906A publication Critical patent/GB282906A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB24425/26A 1926-10-02 1926-10-02 Improvements in or relating to means for recording or reproducing sound Expired GB282906A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE345853D BE345853A (de) 1926-10-02
GB24425/26A GB282906A (en) 1926-10-02 1926-10-02 Improvements in or relating to means for recording or reproducing sound
FR641562D FR641562A (fr) 1926-10-02 1927-09-08 Perfectionnements aux moyens pour enregistrer ou reproduire le son
US222543A US1737253A (en) 1926-10-02 1927-09-28 Means for recording and reproducing sound

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24425/26A GB282906A (en) 1926-10-02 1926-10-02 Improvements in or relating to means for recording or reproducing sound

Publications (1)

Publication Number Publication Date
GB282906A true GB282906A (en) 1928-01-02

Family

ID=10211533

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24425/26A Expired GB282906A (en) 1926-10-02 1926-10-02 Improvements in or relating to means for recording or reproducing sound

Country Status (4)

Country Link
US (1) US1737253A (de)
BE (1) BE345853A (de)
FR (1) FR641562A (de)
GB (1) GB282906A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564136A (en) * 1943-03-04 1951-08-14 Hartford Nat Bank & Trust Co Corundum crystal recording or reproducing member
US2577149A (en) * 1947-07-18 1951-12-04 Union Carbide & Carbon Corp Corundum phonograph needle and sound reproducing apparatus embodying same
US2564054A (en) * 1947-10-10 1951-08-14 Magnavox Co Phonograph pickup and mechanical motion converting system therefor
US3409904A (en) * 1966-12-20 1968-11-05 Motorola Inc Printer having piezoelectric crystal printing means
DE1574489B2 (de) * 1968-02-13 1971-07-01 lelefunken Patentverwertungsgesell schaft mbH, 7900 Ulm, Teldec Telefunken Decca Schallplatten GmbH, 2000 Hamburg Speicher und wiedergabeanordnung sowie abtaster fuer diese wiedergabeanordnung
CH554578A (de) * 1971-06-12 1974-09-30 Benz Ernst Tonabnehmer-nadel.
US3805100A (en) * 1972-01-22 1974-04-16 Ted Bildplatten Piezoelectric record cutting stylus
JPS6196423A (ja) * 1984-10-17 1986-05-15 Fuji Photo Film Co Ltd 振動測定用ヘッド

Also Published As

Publication number Publication date
FR641562A (fr) 1928-08-07
BE345853A (de)
US1737253A (en) 1929-11-26

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