Bizarre Patents
A coffin, for allowing inclination for display of a deceased person in a natural position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7343076 | Alignment apparatus for use in testing optical modules An exemplary optical module testing apparatus (100) includes a base (10) and a supporting element (20). The base has a testing hole (13) formed thereon. The supporting element has a plurality of supporting portions (23) formed ther... | 03/11/2008 |
| 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 components. At least one of the optical components is a mirror that can... | 11/02/2004 |
| 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 plurality of connecting screws. By turning the adjustment r... | 08/15/2000 |
| 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 dividers pivotally secured to the upper and lower portions such ... | 07/20/1993 |
| 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 the module and projector. The module top simulates the tray... | 06/30/1992 |
| 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 such that a preselected card may be grasped and moved from... | 09/10/1985 |
| 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 transport device having an extended position in the plane o... | 01/15/1985 |
| 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 of fingers to grasp an edge of the card and straighten the ... | 12/11/1984 |
| 4487487 | 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 moving preselected cards from said storage means and to position said cards at a reading station, and spreader means adjacent said ... | 12/11/1984 |
| 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 from a local or remote keyboard. The encoded program tape in... | 09/11/1984 |
| 4466716 | Slide projector having two image-projection systems which operate with a single slide tray The slide projector includes side-by-side image-projection systems and a circular slide tray, with slides passing in operation directly between the slide tray and either of two slide gates, the slide gates moving between a first position in which slides a... | 08/21/1984 |
| 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 provided that moves in a manner correlated to the movement of a s... | 04/03/1984 |
| 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 change function at each slide position. The control appara... | 02/21/1984 |
| 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 provided that moves in a manner correlated to the movement of a s... | 12/13/1983 |
| 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) contained in said apparatus are loaded into said magazine utiliz... | 10/11/1983 |
| 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, including a shift mechanism to vary the gear ratio, coupl... | 09/27/1983 |
| 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 assemblies (202, 204). The slide tray (60) includes an inner... | 09/06/1983 |
| 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 storage tray and slides require a minimum of storage space.... | 06/22/1982 |
| 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 storage tray and slides require a minimum of storage space.... | 03/03/1981 |
| 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 position, with the previous slide being returned to the ma... | 01/20/1981 |
| 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 projects the images on an enlarged scale so that they can be vie... | 05/27/1980 |
| 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 and outer wall parts in coaxial spaced relationship locat... | 08/28/1979 |
| 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 dried selective culture media therein. The dilution rehydrat... | 10/03/1978 |
| 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 magazine slide projector. The stator has a tangential groove open... | 08/08/1978 |
| 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 system, and a guide unit for guiding the slides. A mechanic... | 11/22/1977 |
| 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 magazine base plate 14, to thereby close the slot and prevent... | 11/30/1976 |
| 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 for transparencies. At least a portion of each partition re... | 07/13/1976 |
| 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 groove having tray guide means for slidably engaging corres... | 04/27/1976 |
| 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 groove having tray guide means for slidably engaging corresp... | 04/13/1976 |
| 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 angles to the horizontal film aperture, the improvement com... | 02/10/1976 |
| 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 lever has an upwardly curving centre portion which rests o... | 02/03/1976 |
