FR719022A - Improvements in methods and devices for modifying the length of phonograms for the reproduction of sounds - Google Patents

Improvements in methods and devices for modifying the length of phonograms for the reproduction of sounds

Info

Publication number
FR719022A
FR719022A FR719022DA FR719022A FR 719022 A FR719022 A FR 719022A FR 719022D A FR719022D A FR 719022DA FR 719022 A FR719022 A FR 719022A
Authority
FR
France
Prior art keywords
phonograms
sounds
reproduction
modifying
methods
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
Other languages
French (fr)
Inventor
B Freund
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.)
KUCHENMEISTER S INTERNATIONALE
Original Assignee
KUCHENMEISTER S INTERNATIONALE
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 KUCHENMEISTER S INTERNATIONALE filed Critical KUCHENMEISTER S INTERNATIONALE
Application granted granted Critical
Publication of FR719022A publication Critical patent/FR719022A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/02—Producing one or more recordings of the values of a single variable
    • G01D9/04—Producing one or more recordings of the values of a single variable with provision for multiple or alternative recording
    • G01D9/06—Multiple recording, e.g. duplicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Recording Or Reproduction (AREA)
FR719022D 1930-06-27 1931-06-23 Improvements in methods and devices for modifying the length of phonograms for the reproduction of sounds Expired FR719022A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1930614773T DE614773C (en) 1930-06-27 1930-06-27 Methods and devices for changing the ratio "pitch to running speed" of sound recordings

Publications (1)

Publication Number Publication Date
FR719022A true FR719022A (en) 1932-02-01

Family

ID=6576716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719022D Expired FR719022A (en) 1930-06-27 1931-06-23 Improvements in methods and devices for modifying the length of phonograms for the reproduction of sounds

Country Status (2)

Country Link
DE (1) DE614773C (en)
FR (1) FR719022A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592572A (en) * 1946-08-16 1952-04-15 Malbon H Jennings Apparatus for recording and reproducing electrical communication currents

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE904600C (en) * 1951-12-25 1954-02-22 Basf Ag Method for the temporal expansion of the reproduction of magnetic sound recordings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592572A (en) * 1946-08-16 1952-04-15 Malbon H Jennings Apparatus for recording and reproducing electrical communication currents

Also Published As

Publication number Publication date
DE614773C (en) 1935-06-18

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