FR878125A - Process for the constitution of sound recordings - Google Patents

Process for the constitution of sound recordings

Info

Publication number
FR878125A
FR878125A FR878125DA FR878125A FR 878125 A FR878125 A FR 878125A FR 878125D A FR878125D A FR 878125DA FR 878125 A FR878125 A FR 878125A
Authority
FR
France
Prior art keywords
constitution
sound recordings
recordings
sound
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)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR878125A publication Critical patent/FR878125A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/12—Cinematrographic processes of taking pictures or printing
    • G03C5/14—Cinematrographic processes of taking pictures or printing combined with sound-recording

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR878125D 1940-08-12 1941-08-11 Process for the constitution of sound recordings Expired FR878125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE878125X 1940-08-12

Publications (1)

Publication Number Publication Date
FR878125A true FR878125A (en) 1943-01-12

Family

ID=1555987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878125D Expired FR878125A (en) 1940-08-12 1941-08-11 Process for the constitution of sound recordings

Country Status (1)

Country Link
FR (1) FR878125A (en)

Similar Documents

Publication Publication Date Title
FR934775A (en) Process for the manufacture of peracids
FR878125A (en) Process for the constitution of sound recordings
FR875721A (en) Magnetic sound recording process
FR879785A (en) Process for the production of hexachlorobutadiene
FR869512A (en) Method for making sound recordings
FR848161A (en) Process for the production of sound recordings
FR878147A (en) Magnetic sound recording process
FR875493A (en) Process for the manufacture of sound recording tracing chisels
FR875382A (en) Process for the production of hexachlorobutadiene
FR871104A (en) Method of making sound recordings
FR877278A (en) Mixed sound recording process
FR896936A (en) Process for making sound recordings
FR875986A (en) Process for photographic recording of sound or for making sound recordings
CH224692A (en) Process for the purification of metallic manganese.
FR893375A (en) Process for preparing 2-methyl-5-ethyl-pyridine
FR878105A (en) Advanced lead refining process
FR878152A (en) Method for variable density sound recording
FR872952A (en) Process for improving the initial permeability of fersilicon alloys
FR875762A (en) Process for the reproduction of sound recordings on color films
FR886899A (en) Process for the production of polychrome images with sound recording
FR877904A (en) Process for the production of polychrome images with sound recording
FR879885A (en) Process for the production of polychrome images with sound recording
FR875730A (en) Process for the purification of metallic manganese
FR840530A (en) Method for obtaining sound recordings
FR875512A (en) Process for the improvement of regenerated cellulose tissue