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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 396/398 - Having switch actuated by perforation sensing pawl


Subclass of Class 396 - Photography
Definition: Subject matter wherein the means for detecting film movement
No. of patents: 12
Last issue date: 02/01/2000


NumberTitleIssue Date
6021282Control apparatus for film advance drive motor in a camera
A camera and method for controlling operation of the camera. The camera includes a film path for receiving a filmstrip and a transport mechanism for advancing the filmstrip along the film path. A motor connected to the transport mechanism is provided for ...
02/01/2000
5723266Method of processing silver halide photosensitive material
A method of processing a photosensitive material is provided in which change in photographic properties is not caused and reading properties for magnetic recording information of a photosensitive material including a magnetic recording layer does not dete...
03/03/1998
5659831Detection device and method to locate film
A detection apparatus for locating a film position detects the position with a simple structure. The apparatus uses a plurality of position detection holes for each picture frame in a film. The holes are repeatedly formed in the film in a certain arrangem...
08/19/1997
5634161Sprocket mechanism for cameras
A sprocket mechanism for cameras includes a sprocket consisted of a body and a raised annular portion, a positioning plate fitted onto the sprocket, and an electrical switch located near the positioning plate. The sprocket body has two opposite pairs of p...
05/27/1997
5023640Film metering apparatus and method
A film metering pawl suitable for use with a motorized film drive has a perforation sensing tooth with a sloping leading edge that allows the tooth to be cammed out of each perforation by the perforation leading edge during prewind/rewind. The pawl also h...
06/11/1991
5008692Film metering apparatus and method with drive speed reduction
A film metering mechanism has parallel pawl and blade elements with apertures that align in the beam of an infrared detector to slow down a camera drive motor when a pawl tooth senses a perforation during film advance, prior to reaching a drive motor stop...
04/16/1991
4980710Film transport speed control
The speed of frame-to-frame advance after exposure in a camera having a pawl which acts with a single perforation per frame film to provide frame registration with an aperture station is optimized without film distortion by generation of a motor control c...
12/25/1990
4903061Metering control mechanism
An expose-on rewind type camera is used with a film cassette having a film spool which can be rotated to unwind a filmstrip off the spool to thrust a non-protruding film leader to the exterior of the cassette, to enable the filmstrip to be prewound contin...
02/20/1990
4248511Motorized still camera
A motorized still camera has a housing which can receive film cassettes in a film chamber at the rear side of the housing. A motor-drive of the camera includes a motor which is located forwardly of the cassette take-up section, in direction towards the fr...
02/03/1981
4222650Automatic camera
A camera having powered mechanism for advancing a strip of film past a location at which the film is exposed to take a series of successive pictures on the film, with sensing means being provided adjacent the film and acting to respond to its longitudinal...
09/16/1980
4202616Film-transport system for photographic still camera
When the trigger button is depressed, a crank rod is pulled by a biasing spring in a first direction from a first to a second position triggering the shutter in the process, and an associated crankwheel drives a gear segment coupled thereto to an angular ...
05/13/1980
4196993Still-camera film transport system with end-of-film motor deenergization
A still-camera film transport system includes a perforation feeler and cooperating perforation-detecting switch generating a perforation signal. A time-delay circuit initiates a time delay upon the commencement of film transport and generates a time-delay...
04/08/1980
 
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