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6811265 |
Retractable image projecting system
An image projecting system for mounting in a hidden location such as a ceiling or a piece of furniture such as a desk. The system includes an image producing apparatus and a plurality of optical...
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6102553 |
Palm-size projector light with annular lens and rotatable adjustment ring for changing patterns of emitted light
A palm size laser indicator disk capable of adjusting the shapes of light emitted therefrom includes an adjustment ring, a disk cover, a disk, an annular lens, a laser generating component, and a...
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5237354 |
Slide projector
A slide projector which is adapted for the use of circular trays (10, 12) having different numbers of slide compartments and which includes a pulse-controlled electronic switch unit for controlling...
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5229799 |
Collapsible slide carousel
A collapsible slide carousel which allows for more efficient storage and transport thereof. The collapsible slide carousel includes an upper portion, a lower portion and a plurality of slide...
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5125734 |
Random access module for slide projector
A module interposed between a slide tray and a projector provides a user selected random presentation of sequentially ordered slides. The module bottom simulates the tray bottom to align gates of...
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4540257 |
Card separating members for a microfiche storage and retrieval system
A microfiche card storage and retrieval system comprising a carousel for storing a plurality of microfiche cards, means for separating microfiche cards adjacent a preselected card in said carousel...
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4493540 |
Transport apparatus for microfiche cards
A microfiche card storage and retrieval system comprising a carousel for storing microfiche cards, card transport means for inserting and retracting microfiche cards from said carousel, said card...
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4487488 |
Microfiche guidance and buckling detection system
A storage and retrieval system for use with microfiche cards having a carousel for storing the cards, a slot for loading and unloading the storage system, a card transport device utilizing a pair...
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4470675 |
Random access control apparatus and method for slide projector
Random access slide projector apparatus is provided for the random access presentation of slide programs. The random access apparatus is responsive to an encoded program tape or to input signals...
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4440478 |
Slide tray position sensing arrangement for slide projector apparatus utilizing two slide tray types
A slide tray position sensing arrangement is provided for slide projector apparatus. The slide tray position sensing arrangement is arranged at a detection station. A coded aperture ring is...
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4432618 |
Tray drive and slide change control apparatus for slide projector
Control apparatus is provided for a slide projector to accurately control rotation of a slide tray to predetermined slide positions of the slide tray and to provide integrated control of the slide...
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4420232 |
Selectively positionable slide tray position sensing arrangement for slide projector apparatus
A slide tray position sensing arrangement is provided for slide projector apparatus. The slide tray position sensing arrangement is arranged at a detection station. A coded aperture ring is...
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4408849 |
Slide machine loading apparatus
Apparatus (36, 37 and 38) adapted for association with a projector (11) and a compartmented magazine (12) for containing photographic slides for said projector whereby a stack of slides (42)...
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4406531 |
Drive for a circular magazine of a slide projector
A drive for a slide projector utilizing circular magazines which permits the slide projector to be used with circular magazines having differing numbers of slide compartments. A variable gear unit,...
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4402584 |
Dual slide projector and tray
A dual slide tray projection system is disclosed. The projector (12) has two independently operating projection mechanisms including gates (24, 26) advancing mechanisms (28, 30, 32, 34) and lens...
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4335989 |
Miniature slide storage tray and method of using same
A miniature slide storage tray having a plurality of annularly arranged, radially extending compartments for receiving and storing a plurality of slides in a compactly arranged manner so that the...
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4253789 |
Miniature slide storage tray
A miniature slide storage tray having a plurality of annularly arranged, radially extending compartments for receiving and storing a plurality of slides in a compactly arranged manner so that the...
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4245899 |
Slide magazine for slide projectors
A circular horizontal slide magazine intended for use with a film slide projector of the type in which sequential slides are released down into a position of preparedness, and then to a projection...
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4204753 |
Rotary film strip holding apparatus
Apparatus for holding film strips of the type having a plurality of miniaturized film images carried thereon, wherein the apparatus is to be used with an optical system which illuminates and...
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4165928 |
Slide projector drive mechanism for a circular magazine
Disclosed is a drive mechanism for a slide projector adapted for accepting a circular slide magazine of the type including an approximately h-shaped configuration wall having a pair of forked inner...
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4118280 |
Automated microbial analyzer
Medical specimens suspected of containing harmful microorganisms are diluted in saline solution and the dilution so formed is vacuum loaded into a cuvette or card containing viewing walls having...
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4105317 |
Circular magazine for linear magazine slide projectors
A two-part circular magazine having an inner rotor with slide storing compartments and an outer stator enclosing the rotor is arranged to mount and operate in the magazine guide of a linear...
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4059352 |
Slide projector
A slide projector comprising a slide magazine with a motor drive, a motor-driven pusher for conveying respective slides one by one from the slide magazine into the path of the light of an optical...
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3994578 |
Projector with a circular magazine
A circular magazine for photographic slides is provided with a circular segment slider 15 rotatable about the magazine axis to extend a tongue portion 18 over the slide insertion slot 17 in the...
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3968878 |
Circular magazine for photographic transparencies
A round tray for photographic transparencies has a bottom wall, a ring-shaped inner wall and radially extending partitions which are rigid with the two walls and define an annulus of compartments...
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3953119 |
Slide projector and indexing mechanism for alternate slide trays of different configurations
A slide projector adapted to alternately receive at least two slide trays having different shapes and different indexing configurations is provided. The projector comprises a slide tray receiving...
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3950087 |
Slide projector for receiving alternate slide trays of different configurations
A slide projector adapted to alternately receive at least two slide trays having different shapes and different indexing configurations is provided. The projector includes a slide tray receiving...
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3937569 |
Slide projector having a partitioned magazine
In a slide projector having a partioned magazine for insertion into a magazine guide track so that the in turn, effective ejection side of the magazine is at right angles to or generally at right...
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3936169 |
Device for moving slides vertically in projectors
The device is provided with a lever which is pivotally mounted at one end and is urged in the downward direction by a spring, a slide-carrying shoe being attached at the free end of the lever. The...
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3926313 |
Circular magazine for photographic transparencies
A circular tray for slides has two parallel washer-like end walls, radially extending partitions disposed between the end walls, and a cylindrical wall extending inwardly from the inner marginal...
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3920324 |
Slide tray
A circular slide tray in which the guide walls defining the slide receiving slots terminate spaced from the hub to provide close packing of adjacent slides at the hub. The guide walls are recessed...
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3902799 |
Slide projector for use with round magazines
A slide projector for use with round trays has a housing provided with a chamber which receives a portion of or an entire tray and a cooling system which is installed in the housing below the...
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3892479 |
Slide projector for use with ring-shaped magazines
A slide projector wherein the housing defines an annular chamber surrounding a hollow inverted cup-shaped housing section and serving to receive a ring-shaped magazine which is centered by the...
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3870408 |
VARIABLE CAPACITY FLEXIBLE SLIDE MAGAZINE
A variable capacity reversible slide magazine for use on slide projector equipment comprising a multiplicity of flexibly connected similar plaques cooperating to provide a multiplicity of storage...
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3858970 |
CONTINUOUS SHOW SLIDE PROJECTOR
A slide projector having a supply station and a previewing station including means for receiving a supply of slides may be operated to present a continuous slide show.
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3856391 |
SLIDE TRAY AND SLIDE POSITIONING MECHANISM
A slide projector located within a rear-screen projector housing includes a slide tray and slide positioning mechanism in cooperative relation with a gravity feed slide tray which is removably...
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3854807 |
SLIDE TRAY POSITIONING MECHANISM FOR A REAR-SCREEN PROJECTOR
A slide projector having a slide gate located within a rear-screen projector housing includes a slide tray positioning mechanism in cooperative relation with a gravity feed slide tray which is...
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3843247 |
INTEGRALLY MOLDED CIRCULAR TRAY FOR PHOTOGRAPHIC SLIDES
A horizontally arranged circular magazine for a picture slide projector, of the type in which a ramp is provided for raising picture slides as rotation of the magazine carries successive slides to...
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3843246 |
STORAGE MAGAZINE FOR DIAPOSITIVE SLIDES
A slide storage magazine for use with a slide projector in which a removable insert is provided to subdivide the original storage slots to enable the alternate storing of thicker or narrower slides...
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3841749 |
SLIDE PROJECTOR MAGAZINE POSITIONING MEANS
A detent or latch member pivotally mounted on the slide projector engages a notch or recess in a circular slide magazine or tray, to enable the tray to be easily and quickly positioned in the...
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3825334 |
FEEDING MECHANISM FOR SLIDE MAGAZINES OF PICTURE PROJECTORS
Mechanism for feeding picture slide magazines of a photographic projector. The projector is provided with a guideway or track along which a bar-type slide magazine moves approximately horizontally...
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3822937 |
SLIDE PROJECTOR WITH MEANS TO ELIMINATE JAMS
A projector capable of holding a circular slide tray and having a pinion gear which engages a rack at the periphery of the tray for indexing the tray is provided with a retaining arm which is...
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3790269 |
SLIDE PROJECTOR FOR RING MAGAZINES
A slide projector for use with ring-shaped magazines arranged horizontally for rotation about a vertical axis offset laterally from the horizontal optical axis. As the magazine rotates step by...
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3713644 |
SHEET FILM CURL CORRECTING DEVICE
A sheet film curl correcting device so operative that it is closed towards the leading edge of a sheet film in association with the operation of a film inserting mechanism, immediately before said...
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3704943 |
SLIDE PROJECTOR FOR USE WITH STRAIGHT AND CIRCULAR SLIDE TRAYS
A slide projector whose housing is formed with a tunnel extending in parallelism with the optical axis of the projection lens for reception of stepwise advancing straight slide trays, and with a...
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3697161 |
CIRCULAR TRAY SUPPORT AND INDEXING APPARATUS
A unique elongated indexing means and bowed shaped tray supporting means for use in a slide projector to enable circular trays that are of different diameters to be rotatably supported on a common...
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3680953 |
SLIDE PROJECTOR AND TRAY THEREFOR
A circular tray for slides which comprises a cupped section rotatable with reference to a concentric core to place successive slides into registry with a slot provided in a disk-shaped flange of...
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3661451 |
SLIDE PROJECTOR INDEXING MEANS
The magazine includes an indexing gear engaged with a series of teeth on the projector for indexing the magazine in forward and reverse directions. The indexing gear is rotated in either direction...
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3644031 |
MEANS FOR ALTERNATELY INDEXING TWO SLIDE TRAYS WHICH DIFFER IN RESPECTIVE DISTANCES BETWEEN ADJACENT SLIDE-RECEIVING SPACES
A slide projector is adapted for alternately receiving a "100-slide" tray and an "80-slide" tray. These trays have the same outside diameter. The "100-slide" tray is provided with 100 indexing...
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3586433 |
CIRCULAR TRAY FOR PHOTOGRAPHIC SLIDES
A two part tray is disclosed in which an outer part is established by peripheral rings and the slide compartment defining partitions extend therefrom radially inwardly. The inner part is to remain...
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