USB405136I5 - - Google Patents

Info

Publication number
USB405136I5
USB405136I5 US40513673A USB405136I5 US B405136 I5 USB405136 I5 US B405136I5 US 40513673 A US40513673 A US 40513673A US B405136 I5 USB405136 I5 US B405136I5
Authority
US
United States
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.)
Pending
Application number
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 filed Critical
Publication of USB405136I5 publication Critical patent/USB405136I5/en
Application granted granted Critical
Publication of US3915565A publication Critical patent/US3915565A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Projection-Type Copiers In General (AREA)
US405136A 1973-03-20 1973-10-10 Signal sensing for film projectors Expired - Lifetime US3915565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1326673 1973-03-20

Publications (2)

Publication Number Publication Date
USB405136I5 true USB405136I5 (en) 1975-01-28
US3915565A US3915565A (en) 1975-10-28

Family

ID=10019856

Family Applications (2)

Application Number Title Priority Date Filing Date
US405136A Expired - Lifetime US3915565A (en) 1973-03-20 1973-10-10 Signal sensing for film projectors
US405137A Expired - Lifetime US3915566A (en) 1973-03-20 1973-10-10 Automatic signal playback for film projectors

Family Applications After (1)

Application Number Title Priority Date Filing Date
US405137A Expired - Lifetime US3915566A (en) 1973-03-20 1973-10-10 Automatic signal playback for film projectors

Country Status (1)

Country Link
US (2) US3915565A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06332084A (en) * 1993-05-25 1994-12-02 Sony Corp Digital information reproducing device for movie film
US5526075A (en) * 1993-09-13 1996-06-11 Digital Technology Systems Of California, Inc. Apparatus for reading analog sound tracks on film with circuit for averaging sound track boundaries to reduce the effect of noise
US6351302B1 (en) * 2000-05-11 2002-02-26 Carlsen, Ii George D. Analog sound track digitizer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756277A (en) * 1951-05-03 1956-07-24 Rca Corp Sound recording and reproducing circuit for pictures
US3150810A (en) * 1963-01-21 1964-09-29 Internaz Fonovisione S I F Soc Motion picture projectors
US3404937A (en) * 1965-05-13 1968-10-08 Viewlex Inc Motion picture projection using optical and magnetic sound tracks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404932A (en) * 1967-09-21 1968-10-08 Kenneth H. Gutner Slideable drawer stop

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756277A (en) * 1951-05-03 1956-07-24 Rca Corp Sound recording and reproducing circuit for pictures
US3150810A (en) * 1963-01-21 1964-09-29 Internaz Fonovisione S I F Soc Motion picture projectors
US3404937A (en) * 1965-05-13 1968-10-08 Viewlex Inc Motion picture projection using optical and magnetic sound tracks

Also Published As

Publication number Publication date
US3915566A (en) 1975-10-28
US3915565A (en) 1975-10-28
USB405137I5 (en) 1975-01-28

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