Patent US4075018A successfully refreshed from Google Patents.
US4075018A
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Motion picture film, soundtrack and method for production thereof
Assignee: Individual
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Filing: 1975-06-09
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Granted: 1978-02-21
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Expires: 1995-06-09
Abstract
Abstract A motion picture film having a soundtrack which is visible light-transparent, but fluoresces in the visible spectrum when submitted to ultra-violet radiation, and unexposed film for providing the product, and the method for producing the exposed and unexposed films including such soundtrack.
Inventors
- 👤 Peter Anderson Custer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:43
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02; Y; Y10; Y10S; Y10S430/00; Y10S430/165
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
180 words
A method for making an unexposed film containing a visual or photographic image portion and a sound image portion which comprises: 1. forming the film by coating a flexible transparent base with at least one silver halide-containing photographic image-forming layer; 2. adding to the film a screening or blocking layer which absorbs the radiation of at least a given portion of the light spectrum and which is optically transparent after the development of the film; 3. adding to the film a separate silver halide-containing optical soundtrack image-forming layer overlying at least a portion of said photographic layer, whereby the soundtrack images will overlie the photographic images; 4. said soundtrack image forming layer containing: a. from 0 to a relatively small amount of a sensitizing material effective to sensitize said soundtrack image-forming layer to the said given portion of the light spectrum as is absorbed in the screening or blocking layer; and b. a relatively small amount of a material which fluoresces under UV light; 5. the said screening or blocking layer being interposed between the said photographic and soundtrack layers.
Claim 2
Independent Claim
180 words
A method for making an unexposed film containing a visual or photographic image portion and a sound image portion which comprises: 1. forming the film by coating a flexible transparent base with at least one silver halide-containing photographic image-forming layer; 2. adding to the film a screening or blocking layer which absorbs the radiation of at least a given portion of the light spectrum and which is optically transparent after the development of the film; 3. adding to the film a separate silver halide-containing optical soundtrack image-forming layer overlying at least a portion of said photographic layer, whereby the soundtrack images will overlie the photographic images; 4. said soundtrack image forming layer containing: a. from 0 to a relatively small amount of a sensitizing material effective to sensitize said soundtrack image-forming layer to the said given portion of the light spectrum as is absorbed in the screening or blocking layer; and b. a relatively small amount of a material which fluoresces under UV light; 5. the said screening or blocking layer being interposed between the said photographic and soundtrack layers.
Claim 3
Dependent Claim
21 words
The method of claim 1 wherein a UV absorbing or blocking means is interposed between the soundtrack and photographic image portion.
Claim 4
Dependent Claim
80 words
The method of claim 1 which includes the further steps of: a. exposing the photographic layer to record a photographic image; b. exposing the soundtrack layer with said segment of the light spectrum to record sound signals; c. developing the photographic image; d. developing the soundtrack image; e. removing any unexposed portion of the soundtrack layer; and f. bleaching out the silver soundtrack image whereby the soundtrack is rendered colorless and transparent to visible light and fluorescent under UV light.
Claim 5
Dependent Claim
17 words
The method of claim 3 wherein the soundtrack layer is exposed by printing with a soundtrack negative.
Claim 6
Dependent Claim
21 words
The method of claim 1 wherein the sensitizing material which is added to the soundtrack layer is an infra-red sensitizing material.
Claim 7
Dependent Claim
22 words
The method of claim 5 which includes the step of adding an infra-red adsorbing layer interposed between the two silver halide emulsions.
Claim 8
Dependent Claim
17 words
The method of claim 6 wherein the photographic image layer is of the color image forming type.
Claim 9
Dependent Claim
14 words
The method of claim 7 wherein the UV fluorescent material is an optical brightener.
Claim 10
Dependent Claim
46 words
The method of claim 8 wherein the infra-red sensitizer added to the soundtrack image forming layer contains from 0.0001 to 0.50% by weight of an IR sensitive material selected from the group consisting of (1) 3,3'-diethylthiatricarbocyanine iodide, (2) Neo-cyanine, (3) 1,1'-diethyl-4,4'-tricarbocyanine iodide, and (4) 12-acetoxy-3,3'-diethylthiatricarbocyanine perchlorate.
Claim 11
Dependent Claim
78 words
The method of claim 5 which includes the further steps of: a. exposing the photographic layer to record a photographic image; b. exposing the soundtrack layer with sound modulated infra-red light to record sound signals; c. developing the photographic image; d. developing the soundtrack image; e. removing any unexpected portion of the soundtrack layer; and f. bleaching out the silver soundtrack image whereby the soundtrack is rendered colorless and transparent to visible light and fluorescent under UV light.
Claim 12
Dependent Claim
23 words
The method of claim 6 wherein the sensitizing material which is added to the soundtrack layer consists of a blue light sensitizing material.
Claim 13
Dependent Claim
27 words
The method of claim 11 wherein is included the step of adding a blue light adsorbing layer interposed between the soundtrack and photographic image silver halide emulsions.
Claim 14
Dependent Claim
17 words
The method of claim 12 wherein the photographic image layer is of the color image forming type.
Claim 15
Dependent Claim
14 words
The method of claim 13 wherein the UV fluorescent material is an optical brightener.
Claim 16
Dependent Claim
78 words
The method of claim 11 which includes the further steps of: a. exposing the photographic layer to record a photographic image; b. exposing the soundtrack layer with sound modulated blue light to record sound signals; c. developing the photographic image; d. developing the soundtrack image; e. removing any unexposed portion of the soundtrack layer; and f. bleaching out the silver soundtrack image whereby the soundtrack is rendered colorless and transparent to visible light and fluorescent under UV light.
Claim 17
Dependent Claim
17 words
The method of claim 15 wherein the soundtrack layer is exposed by printing with a soundtrack negative.
Claim 18
Dependent Claim
78 words
The method of claim 11 which includes the further steps of: a. exposing the photographic layer to record a photographic image; b. exposing the soundtrack layer with sound modulated UV light to record sound signals; c. developing the photographic image; d. developing the soundtrack image; e. removing any unexposed portion of the soundtrack layer; and f. bleaching out the silver soundtrack image whereby the soundtrack is rendered colorless and transparent to visible light and fluorescent under UV light.
Claim 19
Independent Claim
105 words
A method for making a film containing a visual or photographic image portion and a sound image portion which comprises: 1. forming the film by coating a flexible transparent base with at least one silver halide-containing photographic-image layer; 2. adding to the film a screening or blocking layer which absorbs the radiation of at least a given portion of the light spectrum and which is optically transparent after the development of the film. 3. adding to the film a separate silver halide-containing optical soundtrack, image-forming layer overlying at least a portion of the photographic image layer, whereby the soundtrack images will overlie the photographic images;
Claim 20
Independent Claim
105 words
A method for making a film containing a visual or photographic image portion and a sound image portion which comprises: 1. forming the film by coating a flexible transparent base with at least one silver halide-containing photographic-image layer; 2. adding to the film a screening or blocking layer which absorbs the radiation of at least a given portion of the light spectrum and which is optically transparent after the development of the film. 3. adding to the film a separate silver halide-containing optical soundtrack, image-forming layer overlying at least a portion of the photographic image layer, whereby the soundtrack images will overlie the photographic images;
Claim 21
Dependent Claim
132 words
said soundtrack image-forming layer containing from 0 to a relatively small amount of a sensitizing material effective to sensitize said soundtrack image-forming layer to the said given portion of the light spectrum as is absorbed in the screening or blocking layer. 5. the said screening or blocking layer being interposed between said photographic and soundtrack layers; 6. exposing the photographic layer to record a photographic image; 7. exposing the soundtrack layer with said portion of the light spectrum to record sound signals; 8. developing the photographic image; 9. developing the soundtrack image in the soundtrack layer with a dye absorption or dye coupling development step wherein the dye is a colorless fluorescent dye; 10. whereby a fluorescing soundtrack image in the soundtrack layer essentially colorless and transparent to visible light is produced.
Claim 22
Dependent Claim
132 words
said soundtrack image-forming layer containing from 0 to a relatively small amount of a sensitizing material effective to sensitize said soundtrack image-forming layer to the said given portion of the light spectrum as is absorbed in the screening or blocking layer. 5. the said screening or blocking layer being interposed between said photographic and soundtrack layers; 6. exposing the photographic layer to record a photographic image; 7. exposing the soundtrack layer with said portion of the light spectrum to record sound signals; 8. developing the photographic image; 9. developing the soundtrack image in the soundtrack layer with a dye absorption or dye coupling development step wherein the dye is a colorless fluorescent dye; 10. whereby a fluorescing soundtrack image in the soundtrack layer essentially colorless and transparent to visible light is produced.
Claim 23
Dependent Claim
33 words
The method of claim 18 wherein the photographic image is formed in a plurality of layers of the silver halide emulsion color type and the soundtrack forming layer is a silver halide emulsion.
Claim 24
Dependent Claim
44 words
The method of claim 19 wherein the sensitizing material which is added to the soundtrack layer is an infra-red sensitizing material an infra-red absorbing layer is interposed between the photographic and soundtrack silver halide emulsions, and the soundtrack layer is exposed with infra-red light.
Claim 25
Dependent Claim
46 words
The method of claim 19 wherein the sensitizing material which is added to the soundtrack layer is a blue light sensitizing material, a blue light absorbing layer is interposed between the photographic and soundtrack silver halide emulsions, and the soundtrack layer is exposed with blue light.
Claim 26
Dependent Claim
17 words
The method of claim 21 wherein the soundtrack layer is exposed by printing with a soundtrack negative.
Claim 27
Dependent Claim
30 words
The method of claim 19 wherein a UV absorbing means is interposed between the photographic and soundtrack silver halide emulsions and wherein the soundtrack layer is exposed with UV light.
Claim 28
Dependent Claim
39 words
The method of claim 18 wherein the material added to the soundtrack layer is an infra-red sensitizing material, an infra-red absorbing layer is interposed between the two silver halide emulsions, and the soundtrack layer is exposed with infra-red light.
Claim 29
Dependent Claim
105 words
An exposed and developed photographic film comprising a base; a visible silver image or color layer on said base; a soundtrack layer substantially colorless and transparent to visible light on said base and overlying at least a portion of said visible image layer; the said soundtrack layer containing soundtrack images which overlie the visible image layer; said soundtrack layer incorporating therein a material which is colorless and transparent under visible light and capable of becoming fluorescent under UV light; the said material being present solely in the soundtrack images, whereby said images are defined in the soundtrack layer and are rendered visible in UV light.
Claim 30
Dependent Claim
105 words
An exposed and developed photographic film comprising a base; a visible silver image or color layer on said base; a soundtrack layer substantially colorless and transparent to visible light on said base and overlying at least a portion of said visible image layer; the said soundtrack layer containing soundtrack images which overlie the visible image layer; said soundtrack layer incorporating therein a material which is colorless and transparent under visible light and capable of becoming fluorescent under UV light; the said material being present solely in the soundtrack images, whereby said images are defined in the soundtrack layer and are rendered visible in UV light.
Claim 31
Dependent Claim
16 words
The article of claim 25 wherein the material in the soundtrack layer is an optical brightener.
References Cited (Backward Citations)
US3819372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-20 | 1981-08-22 | 1982-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-20 | 1985-08-22 | 1986-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-20 | 1989-08-22 | 1990-02-21 | $7700.00 | Window Closed / Lapsed |