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Class 352/235 - With leader


Subclass of Class 352 - Optics: motion pictures
Definition: Subject matter with a strip of nonpicture bearing material
No. of patents: 31
Last issue date: 04/17/2007


NumberTitleIssue Date
7204607LED lamp
An LED lamp includes: a substrate; a cluster of LEDs, which are arranged two-dimensionally on the substrate; and an interconnection circuit, which is electrically connected to the LEDs. The LEDs include a first group of LEDs, which are located around the outer perip...
04/17/2007
7094080Safety device for electrical plugs and a method of attaching the same
A safety device for preventing accidental contact of a user's fingers with the live blades of an electrical plug during inserting or removal of the plug from a wall socket and a method for attaching the safety device to an electrical plug. The safety device includes...
08/22/2006
6033128Rolled film backing paper with cinch tabs
The present invention is a photographic roll film which includes a photographic film strip and a light shielding paper secured to the photographic film strip. The backing paper has a leader which includes at least one cinch tab extending out of a plane of...
03/07/2000
5381204Leader card attachable to a photographic filmstrip having a lead end with at least one aperture
A leader card attachable to a photographic filmstrip having a lead end with at least one aperture. The leader card includes (1) a piece of material having a tab portion and (2) at least one hook secured to the material. The hook is sized to be extendible ...
01/10/1995
5257065Apparatus for transporting exposed photographic films through and beyond a developing unit
Successive exposed photographic films are connected, either individually or in groups of two or more, to discrete sheet-like leaders which are transported along an elongated first path extending through the baths and the dryer of a developing unit. The le...
10/26/1993
5072254Photographic printer assembly
A spool assembly for use in a printer assembly which allows substantially the entire web of photographic paper to be exposed in the printing process. The printer assembly includes a web, a printer operative to expose photographic images on portions of the...
12/10/1991
5015089Leader assembly and method
A bulk film loader for use in daylight conditions including a light-tight casing for receiving cartridges of film in strip form. The film for a desired number of exposures is transferred from a cartridge onto a camera film feed spool or cassette. A guillo...
05/14/1991
5006873Implicit mid roll interrupt protection code for camera using dedicated magnetic tracks on film
A virtually transparent magnetic layer is included as an additional layer in a color negative film. Information exchange between various users of the film--such as (for example) the film manufacturer, the camera user, the dealer and photofinisher--is carr...
04/09/1991
4987047Imaging sheet roll containing photosensitive microcapsules
An imaging sheet roll has a spool on which is wound a film coated with photosensitive microcapsules to form a roll of film between flanges extending radially at the opposite ends of the spool and provide with annular step portions, and a leader tape of a ...
01/22/1991
4908641Photographic film and film cassette
A film cassette is disclosed wherein a filmstrip beginning with a relatively short non-protruding leader portion can be advanced automatically to the exterior of the cassette responsive to rotation of a film spool in a film unwinding direction. The filmst...
03/13/1990
4860037Film cassette with magnetic film leader
A film cassette contains a film spool which is rotatable in an unwinding direction to propel a filmstrip including an integral film leader out of the cassette and is rotatable in a winding direction to wind the filmstrip including its film leader back int...
08/22/1989
4739357Multi-pitch film leader card
A film leader card has a series of holes for receiving the projections on a succession of endless timing belts in a film processor to advance the card and an attached filmstrip through the processor. A middle-most hole in the series of holes is spaced rel...
04/19/1988
4674702Cassette system having quick connect feature
Film (13) in a film cassette (15) is connected to a take-up reel (19) in a film transport mechanism (11) by means of mating connectors (20,30) attached to leaders (27,29) on the cassette film (13) and on the take-up reel (19). The connectors (20,30) are r...
06/23/1987
4572460Means for pulling tape from a reel
The present arrangement includes a first tape leader which can be readily and automatically coupled to a second tape leader. In a preferred embodiment the first tape leader is connected to be wound on a take up reel while the second tape leader is connect...
02/25/1986
4545517Continuous forms leader
A forms leader is disclosed for use in printing of business forms by a printing device. The leader includes a rectangular sheet of flexible material having a series of line holes formed along the edges of the sheet. The sheet is folded along a crease to d...
10/08/1985
4478908Magnetic recording medium
A magnetic recording medium comprising a support having coated thereon a magnetic layer and a leader tape connected to at least one end of the support and the magnetic layer, the leader tape comprising a support having coated thereon a cleaning layer cont...
10/23/1984
4467983Unreeling device and tape reader incorporating such an unreeling device
Device permitting the winding and unwinding of a tape. It comprises a feed reel on which is wound a tape, and a take-up reel equipped with a tape driving strap. The leader of the tape and the free end of the strap are provided with mutual coupling means a...
08/28/1984
4455076Film supply cassette for camera processor
A film supply cassette comprising a hub, axially spaced end flanges, a trailer secured to the hub having an opening to cooperate with a sensor, a length of light-sensitive film convolutely wound about said trailer, and a leader comprising a vapor coated p...
06/19/1984
4446205Magnetic recording tape having a leader tape
A leader tape for use in connection with a magnetic recording tape is disclosed. The leader tape is connected to one or both ends of a magnetic recording tape in order to clean components of the recorder such as the head of the recorder in which the tape ...
05/01/1984
4397911Cleaning tape
Cleaning tape having a cleaning layer formed on one or both sides of a base is disclosed. Said cleaning layer is composed of (1) a binder, (2) an organic polymer powder whose particle size is 3μ or more, and (3) an inorganic solid powder whose particle s...
08/09/1983
4295713Film and photographic apparatus
A film magazine contains a roll of film having an image portion and a leader. The filmstrip is perforated at predetermined intervals with larger perforations in the image portion than in the leader. A camera mechanism is disclosed which uses the perforati...
10/20/1981
4276371Roll fastener for photographic film
New means are providedfor securing the free end of a roll of photographic film against unwinding. The means comprises a strip of flexible plastic which clings to the photographic film, at the free end of the roll and also on the body of the roll adjacent ...
06/30/1981
4146031Leader or trailer for a magnetic tape
This invention relates to a leader or trailer for a magnetic tape, which comprises a plastic support member, a coated layer consisting essentially of a pigment and binder on the surface of the plastic support and a lubricant layer on the back side of the ...
03/27/1979
4134526Film strip joint for continuous projection
A joint for the ends of an elongated perforated film strip which is movable alongside an annularly closed guide path by a conveying means, wherein on the one end of the film strip corresponding in length substantially to that of said guide path a follower...
01/16/1979
4110774Film guide for film processing equipment
An elongated flexible leader for inserting into a film processor and guiding a roll of undeveloped film therethrough. The leader is attached to the film by inserting a tongue which is part of the leader through an aperture in one end of the film....
08/29/1978
4091168Leader for magnetic recording tape having coextensive flexible layers with metal laminated therebetween
A tape leader, for example, for magnetic recording tape, is comprised of an electrically conductive metal film of aluminum, copper or the like, which is bonded or laminated between two flexible synthetic resin films, for example, of polyester resin, so as...
05/23/1978
4072280Tape and/or film handling mechanism
A tape storage unit comprises a single reel having flanges between which tape is stored and protected by a strippable leader strip wound about the tape and snapped into grooves in the flanges. A tape transport compatible with the reel includes a second re...
02/07/1978
4042189Tape leader characterized by differential bending stiffness
A leader strip is connected with a tape at one end of the tape; and the leader strip has characteristic lengthwise unit bending stiffness which is substantially greater than leader characteristic widthwise unit bending stiffness. Further, the overall widt...
08/16/1977
4038453Leader strip for motion picture film
Leader strip for motion picture films is described which is composed of a substrate of cellulose acetate or polyester, a gum-removing layer comprising an organic binder selected from the group consisting of cellulose esters, polyurethanes, polyacrylonitri...
07/26/1977
4033682Exposure quantity control circuit
An electric shutter is opened and closed to effect an exposure in dependence upon the energization of an electromagnet. A switching circuit controls the energization of the electromagnet in accordance with various exposure information, such as diaphragm s...
07/05/1977
3980254Film strip leader alignment aid
The disclosure relates to an improved means for assuring the proper alignment of the leader on the end of a film strip for a roll of film disposed in a cartridge, whereby, when the cartridge is placed in a viewing or reproducing machine, the end of the st...
09/14/1976
 
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