Abstract: A camera which has the capability of making exposures according to apertu distance, and exposure-time settings and which can also make flash exposures is provided with a housing which carries an adjustable structure movable with respect to the camera housing to provide one of the above settings, this adjustable structure also having a flash position at which it can be set with respect to the camera housing. An electronic flash device is capable of being removably connected with the camera housing by way of a connecting structure carried in part by the flash device and in part by the camera housing. This electronic flash device has a normally open switch which must be closed to render the electronic flash device operative. A switch-operating member is movably carried by the camera housing for movement with respect thereto between a rest position and a switch-closing position where the switch-operating member cooperates with the switch of the flash device to close the latter switch.

Abstract: A turret mounted series of photocomposing disc fonts wherein the turret has a series of disc hubs all having a different elevation in order that the disc members may be bunched together in overlapped relationship and hence occupy a minimum area within the photocomposing machine. The advance in the art is primarily in the placement of the discs in overlap relationship and then advancing or retracting the turret in order to accomplish proper positioning of the disc as opposed to the concept of the prior art in keeping all discs on one plane and then rotating the turret to bring each disc in turn into the optical system.

Abstract: A manually operated shutter attachment includes a pair of plate members each having an aperture therethrough secured in spaced parallel relationship with the apertures aligned. A blade member having a body portion and handle portion is pivotably mounted intermediate the plate members with the handle portion extending outwardly of the spacing therebetween whereby the body portion may be pivoted into and out of registration with the aligned apertures in the plate members by manual manipulation of the handle portion. Mounting means are provided on the outer surfaces of both plate members and extend about the apertures thereof for mounting the shutter attachment intermediate a telescope and camera and/or for securing a plurality of similar shutter attachments together. The body portion of the blade member may be opaque to provide a shutter or incorporate an optical filter or lens.

Abstract: Interchangeable lens retaining means for photographic cameras, so designed that the interchangeable lens may be placed on or removed from the camera by a simple axial movement in the direction of the optical axis, without requiring the rotational or twisting movement required when a conventional bayonet type mount is used. Shoulders on the interchangeable lens are engaged by a plurality of pivoted latches on the camera, the parts being beveled so that the latches are automatically thrust aside as the interchangeable lens is brought toward its seated position on the camera, and then snap behind the retaining shoulders on the lens. The latches are coupled to each other so that all move in unison. A radially movable button on the lens operates a lever to disengage all of the latches on the camera, so that the lens may be removed axially from the camera.

Abstract: A lamp shade assembly in which a series of ribs and annular spacers for the ribs are adapted to stack together as a pack but, when assembled on the spacers form an annular lamp shade. The spacers have an interlocking configuration for the ribs at spaced intervals arranged so that the ribs are held in interlock with the spacers by flexure of the materials from which at least the ribs are formed. SUFIELD OF THE INVENTIONThis invention relates to a collapsible lamp shade frame and method of use.BACKGROUND OF THE INVENTIONOne of the problems in the construction of lamp shades is to be able to ensure ready storage and transport from the time they are constructed until they are placed into use.Lamp shades therefore have generally been of a form such that a series of shades could be nested together by placing one over the other and such a nested set was then transported.Nesting of course limits the shape of such a shade and also, in spite of nesting, the package is still of considerable dimension.

Abstract: A detachable connection in which one of two members has an end telescopically receivable within a mating end of another member and carries a locking part threadedly adjustable transversely of the members into and out of locking reception within an enlarged portion of a slot formed in a sidewall of the outer of the two telescopically interfitting elements. The connection may be utilized for detachably securing different camera stands to a quick change adapter tube secured to the body of a camera.

Abstract: A light exposing apparatus for use in forming a phosphor screen of a color cathode ray tube is disclosed in which a control means is connected to a movable platform for relatively moving a light sensitive film mounted on an inner surface of a face panel relative to an exposing light source facing said light sensitive film with a shadow mask interleaved therebetween. An electrical signal is supplied to said control means each time the accumulated value of ultraviolet ray emitted from said light source reaches a predetermined value, and said movable platform is moved lengthwise of slots in said shadow mask depending on the magnitude of said electrical signal during the light exposing process.

Abstract: Felt gasket material comprising polyethylene terephthalate fibers and suitable for use in luminaires is provided with improved compression recovery properties at elevated operating temperatures of the luminaire by heating the gasket material preferably in the range of 160.degree. C to 200.degree. C for a sufficient time to heat-set the fibers.

Abstract: An adjustable flashlight holder is disclosed having a base member with a plurality of transverse spaced ridge elements or shaped depressions along its top surface and a bifurcated support hinged to one end to engage the flashlight at various angles. In one embodiment the arms of the support are biased toward each other sufficiently to engage the flashlight case diametrically and include an elastic member or spring upon which the case of the flashlight may rest at an angle. In another embodiment the hinge has one or more lock positions to hold the support at selected angles and folds down on top of or within the base member when not in use. The flashlight can be supported in a variety of convenient positions to facilitate use by a worker.

Abstract: A camera has a cover member for opening and closing a film cartridge-retaining chamber, and a detecting member movable to effect automatic setting of the film sensitivity or automatic change-over of a filter. The film cartridge has a signal element on its side wall of a predetermined size which may be engaged by the detecting member when the film cartridge is charged into the camera for effecting the automatic setting of the film sensitivity or of the automatic change-over of a filter. After the detecting member has engaged the signal element, and thus tends to tilt the film cartridge, the detecting member is moved in a direction away from the signal element due to a closing operation of the cover member, or the detecting member is released from a force which urges the detecting member toward the signal element, thereby eliminating the influence of the force acting to tilt the film cartridge.

Abstract: A signal device comprising a partially transparent package containing a plurality of percussively-ignitable flashlamps arranged in an array with respectively associated preenergized striker springs, and a movable member for sequentially releasing the striker springs to fire respective flashlamps in response to successive indexing. The device is adapted to be hand held and the movable member is adapted to be actuated and indexed directly by hand.

Abstract: A lamp comprising a body having an axially extending inwardly facing surface and an annular radial surface extending radially inwardly with respect to the axially extending surface. An annular seal is mounted on the radial surface. A lens has a light transmitting wall and an annular wall extending axially with respect to the light transmitting wall into the body. The axial end of the annular wall of the lens has a groove therein into which the annular seal extends.

Abstract: A camera shutter having an aperture, shutter opening blades which travel from a position covering the aperture to a rest position uncovering the aperture to initiate exposure, and shutter closing blades which travel from a position away from the aperture to a position covering the aperture to terminate exposure, and a shutter blade stabilizing device. The stabilizing device includes an elastic member for frictionally pressing at a leading portion of the shutter opening blades at which the driving force is applied to the blades, when the blades are at the rest position, and a member for pressing against the shutter opening blades at a trailing portion of the blades at a portion where the driving force is applied, when the shutter opening blades are at the rest position. The elastic member and the member for pressing together prevent movement of the shutter opening blades when they are at the rest position.

Abstract: A high intensity lamphouse and cooling means for use with photographic slide projectors. The module has a protective glass face, and air inlet and a second air outlet on opposite diametrical points between the lamp and the glass face. Also included are an additional opening near the base of the lamp providing a second air path through the module along the rear side of a reflector and the length of the lamp.

Abstract: A method of composing pictures of objects comprises the steps of exposing a frame of a record medium such as a frame of a roll of film or a target in a television camera via a camera lens while masking a portion of the field from exposure by a first mask disposed in front of the lens. The field or frame of the record medium is then re-exposed while masking a previously unmasked portion of the field or frame. The foregoing is accomplished by apparatus in one instance comprising a camera having means for transporting film, a lens, first and second masks serving to block light to complementary portions of the film, a light shade supported by the lens to sequentially support the masks in front of the lens at a distance sufficient to inhibit exposure of complementary portions of the film.

Abstract: A view finder system for a single lens reflex camera which provides in the field of the finder an image of a photographic information indicator such as a distance adjusting ring, diaphragm adjusting ring and the like movably mounted in the lens barrel which is connected to the camera body. The view finder includes a pentagonal roof prism in combination with supplementary optical means optically connected thereto, said supplementary optical means comprising a sub-prism having an exit face cemented to the front non-reflecting face of the pentagonal roof prism, an entrance face and a reflecting face, and a mirror element spaced apart from the sub-prism. The mirror element is arranged above the sub-prism to face down optically both the indicator and the sub-prism, so that a light beam from the indicator is reflected by the mirror element to the sub-prism and thereby directed through the pentagonal roof prism to provide an image of the indicator in the field of finder.

Abstract: The present invention relates to an equipment which converts various data, including exposure setting data, for a photograph into codes so as to be stored in a register in order that the data stored in the register is later decoded and registered on the film. The equipment comprises a decoder for reading out and decoding the stored data in accordance with a signal corresponding to the feeding of the film and a plural number of registering heads operated by means of the output of the decoder, whereby the stored data is registered on the film in general indications such as letters or figures.

Abstract: A device for projecting light from a source to illuminate an area, having a lens, including at least two planar lens elements angularly disposed relative to each other. A first reflector is oriented to direct light from the source, substantially parallel to the first element and through said second element at a high angle of incidence which maximizes the passage of light and minimizes the secondary reflection of light from the source.

Abstract: In a single lens reflex camera having a metering device, a principal mirror is provided for reflecting part of the light passing through an objective lens toward a finder optical system and for transmitting therethrough the remainder of the light. First optical means including a reflector member are disposed between the principal mirror and photographic film in inclined relationship with the optical axis of the objective lens. A condensing mirror extends between the image of an object formed by the objective lens and the first optical means and the light-receiving portion of the metering device. An image-forming half-lens is provided on the condensing mirror to condense the image of the object toward the light-receiving portion by cooperating with the condensing mirror. The optical axis of the half-lens is substantially coincident with the reflecting surface of the condensing mirror.

Abstract: A two-part replaceable cassette-like device is provided, having a disposable cassette portion and a light sealed buffer box, having a pair of drive rollers therein and which is detachably fastened to the disposable cassette, whereby the photosensitive material driven out of the cassette will be driven through the light sealed buffer box into a camera processor. Upon exhaustion of the photosensitive media within the cassette, the buffer box is removed from the cassette for reuse and the cassette is thrown away. A gear coupled to the buffer box roller material drive means is automatically rotated during insertion and withdrawal of the buffer box to and from the camera due to roller contact with a stationary drive gear positioned within such camera.