FR870763A - Process for eliminating noise produced by film loops in cameras and reproducers, in particular for recording and reproducing sound films - Google Patents

Process for eliminating noise produced by film loops in cameras and reproducers, in particular for recording and reproducing sound films

Info

Publication number
FR870763A
FR870763A FR870763DA FR870763A FR 870763 A FR870763 A FR 870763A FR 870763D A FR870763D A FR 870763DA FR 870763 A FR870763 A FR 870763A
Authority
FR
France
Prior art keywords
reproducers
cameras
recording
noise produced
eliminating noise
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.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon 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 Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR870763A publication Critical patent/FR870763A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR870763D 1939-12-19 1941-03-11 Process for eliminating noise produced by film loops in cameras and reproducers, in particular for recording and reproducing sound films Expired FR870763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870763X 1939-12-19

Publications (1)

Publication Number Publication Date
FR870763A true FR870763A (en) 1942-03-24

Family

ID=6808580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870763D Expired FR870763A (en) 1939-12-19 1941-03-11 Process for eliminating noise produced by film loops in cameras and reproducers, in particular for recording and reproducing sound films

Country Status (1)

Country Link
FR (1) FR870763A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005063254A2 (en) * 2003-12-22 2005-07-14 Acadia Pharmaceuticals Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005063254A2 (en) * 2003-12-22 2005-07-14 Acadia Pharmaceuticals Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders
WO2005063254A3 (en) * 2003-12-22 2005-09-15 Acadia Pharm Inc Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders
US7491715B2 (en) 2003-12-22 2009-02-17 Acadia Pharmaceuticals, Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders
US7517871B2 (en) 2003-12-22 2009-04-14 Acadia Pharmaceuticals, Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders
US7550454B2 (en) 2003-12-22 2009-06-23 Acadia Pharmaceuticals, Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders
US7622461B2 (en) 2003-12-22 2009-11-24 Acadia Pharmaceuticals Inc. Amino substituted diaryl[a,d]cycloheptene analogs as muscarinic agonists and methods of treatment of neuropsychiatric disorders

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