Matches 1 - 47 out of 47


Match Document Document Title
5483293 Output control circuit capable of carrying out a wide variety of fade operations  
In an output control device which controls an amplification factor of an amplifier in response to an input signal and a fade control signal to carry out a fade operation of an output signal, such...
4602857 Panoramic motion picture camera and method  
A panoramic motion picture camera for continuously nonintermittently exposing a filmstrip in which a camera body assembly includes a stationary housing portion and a rotatable housing portion, the...
4456349 Cinematographic camera  
This invention relates to a cinematographic camera and more particularly to a method of controlling operation of the cinematographic camera in accordance with a sequence of instructions programmed...
4326782 Sound motion picture camera capable of overlapping exposures  
A sound motion picture camera capable of overlapping exposures by automatically controlling the sequence of a first step beginning with stopping of the take-up spool in a film cassette from further...
4322140 Shutter opening angle control device for a motion picture camera  
In the disclosed motion picture shutter angle control device, a motor serves exclusively for varying the shutter opening angle formed with a number of shutter blades. A detector detects when a...
4313653 Controller for lapping photography of cinecamera  
Controller for the lapping, fade out and fade in photography of a cinecamera, in which a diaphragm is slowly stopped down partially, photography is interrupted, and the diaphragm is further rapidly...
4311369 Sound motion picture camera  
In the disclosed sound motion picture camera, a sound overlap device keeps the sound level constant during a predetermined time after the start of a fade out operation, then gradually lowers the...
4202610 Motion picture camera with fade-in and fade-out effects during long-term exposure  
A motion-picture camera switchable to long-term exposure, in the presence of insufficient illumination for normal filming, has a photodetector which in the long-term mode controls a timing circuit...
4200364 Motion picture camera  
A motion picture camera wherein the diaphragm is adjusted in automatic response to signals from two outputs of a digital comparator which receives a first set of signals during each revolution of...
4153351 Motion-picture camera  
For trick cinematography, a motion-picture camera is equipped with a pushbutton which upon actuation blocks or retards the windup of a film in a cassette while the film transport past an image gate...
4153352 Altered negative-feedback diaphragm control during implementation of image fadeover in a motion-picture camera  
Normally, the negative-feedback diaphragm control system of the motion-picture camera works off a through-the-lens photosensitive element. However, when an image fadeover is to be effected, the...
4150884 Motion-picture camera  
A motion-picture camera optionally loadable with silent-film and sound-film cassettes has a reversible film-feeding mechanism including a reciprocable transport claw and a catch engageable with a...
4143950 Camera  
Motion picture camera, with an objective, in the light path of which, two exposure control devices, on the one hand a diaphragm and on the other hand a shutter, are adjustable by means of a common...
4140374 Overlap photographing device for sound cinecamera  
A sound cinecamera is provided with an intermittent film feeding motor, a continuous film driving means for sound recording, an operating means, a plurality of switch means which is operated by...
4139282 Device for indicating fading operation  
A device is provided for indicating fading operation in cinecamera. A control circuit receives the scene light indicating voltage and a manually adjusted output voltage for operating a diaphragm...
4124283 Fade-in and fade-out device of an automatic servomechanism of diaphragm in a cinecamera  
A fade-in and fade-out device of an automatic servomechanism for controlling the diaphragm exposure of cinecamera. A differential amplifier having a first input voltage corresponding to the scene...
4106865 Motion-picture camera programmed for fadeover effects  
The light-sensitive negative-feedback diaphragm control system of the motion-picture camera includes a stepper-motor coupled to the diaphragm, and a control circuit generating stepper-motor drive...
4106864 Motion-picture camera with diaphragm control system having fadeover capability  
The user selects a fadeover duration by selecting the number of pulses in a reference pulse packet registered by a reference counter. During film transport in either direction, a frame-pulse...
4094594 Movie-camera with automatic fade-out shutoff  
A movie camera has a film advance motor which can only operate when a relay is closed that is controlled by a transistor. This transistor can be operated by the release switch of the camera and by...
4083630 Fade in and fade out arrangement for a motion picture camera  
The disclosure relates to a fade circuit for a motion picture camera of the type which includes an automatic exposure control. The fade circuit includes a light emitting diode which illuminates the...
4073580 Fade photographing control apparatus for cine camera  
A fade photographing controlling apparatus for a cine or movie camera comprises a rotary member adapted for alternate rotation through 180° in a first direction and in an opposite, second ...
4065209 Cassette rewind stop control for a movie camera  
The invention is directed to a movie camera that is designed for loading with at least two different types of cassettes both of which are designed for accommodation together within the interior of...
4045132 Film rewinding device for movie camera  
In a film rewinding device for a movie camera which is capable of selective use of both the type A magazine provided with a non-releasable anti-backup mechanism on the exposed film take-up shaft...
4043649 Fade control for motion-picture camera  
A motion-picture camera has a diaphragm whose aperture size is inversely proportional to the frequency fed to the diaphragm control servo-motor. This frequency is normally maintained between a...
4030820 Automatic fading device for motion picture camera  
A fading device for a motion picture camera includes a pair of sectors rotated with respect to each other to vary the angle of a light passing section formed thereby to obtain a fade-in or fade-out...
4015119 Under exposure and fade indicator  
To inform the operator of a motion picture camera of under-exposure and the status of a fade operation, an indicator circuit is provided. The indicator circuit is in circuit with an automatic...
4006976 Fade-in and fade-out device of a cinecamera  
Fade-in and fade-out device used in a cinecamera having an automatic exposure control circuit including a photoelectric element receiving light from scene through the diaphragm of the taking lens...
4006975 Fade-over apparatus for a motion picture camera  
Pressing of the camera release button causes start of the film transport and automatic setting of the diaphragm for a normal exposure. When fade-over switch is closed, a forward-reverse counter is...
3973841 Motion picture camera with dissolve mechanism  
A motion picture camera wherein the trigger of the camera release is movable from an extended position to a second position in which it starts the camera motor, and beyond the second position to...
3972604 Sound-recording motion-picture camera  
A motion-picture camera having exposure and sound-recording structures past which the film is transported by a pair of film-transporting structures, respectively, at least one of which is driven by...
3966312 Fade-over arrangement for a motion picture camera  
A bridge circuit contains a photoelectric resistor positioned behind the diaphragm and thus having a resistance varying as a function of the light falling on the film. A second arm of the bridge...
3950083 Fading audio-level controls for sound-recording motion picture cameras  
A motion picture camera capable of recording sound simultaneously with film exposure and capable of carrying out fade-out as well as fade-in operations. A control is provided for automatically...
3945719 Motion picture camera  
In a motion picture camera which permits selective use of a magazine A of the type having an unreleasable reverse-preventing means provided on a take-up shaft for taking up thereon exposed film and...
3879114 Sound film camera with damping circuit  
The camera has a circuit including an amplifier for amplifying audio signals prior to recording same with a recording head on the sound track of the film. Since the motor transporting the film...
3879115 Motion picture camera with mechanism for making exposures with lap dissolve  
A motion picture camera wherein the user can override certain stages of automatic operation of the lap dissolve mechanism so as to avoid the making of exposures with fade-out effect prior to the...
3851956 PHOTOGRAPHIC OVERLAPPING APPARATUS HAVING SAFETY DEVICES FOR MOTION PICTURE CAMERAS  
A motion picture camera with a photographic overlapping apparatus provided with safety locking and arresting devices incorporated therein, where an overlapping operation control disc which when...
3815982 MOTION PICTURE FADE-OUT AND FADE-IN ARRANGEMENT USING A FLUID CRYSTAL  
A fluid crystal whose light transmissivity changes as a function of applied voltage is positioned in the path of the light from the objective lens to the film of the camera. Electrical contacts of...
3801194 FADE-IN AND FADE-OUT ARRANGEMENT FOR MOVIE CAMERAS  
The exposure control circuit of the camera has a photosensitive element connected in series with a moving coil instrument controlling the aperture. A normally blocked transistor has an...
3784290 DEFOCUSING DEVICE FOR OPTICAL SYSTEMS  
To produce a totally blurred image in the dissolution of a moving-picture scene, a camera objective of the varifocal type is provided with an iris diaphragm whose leaves consist of light-scattering...
3740146 OPERATING MEANS FOR USE IN FADING MECHANISMS OF MOTION PICTURE CAMERAS  
A fading mechanism for changing the size of the light-admitting aperture which is furnished by the diaphragm of a motion picture camera during the making of exposures with fade-in or fade-out...
3724936 MOTION PICTURE CAMERA  
A motion picture camera having a diaphragm, a winding spool, a fade-over device for fading-over two film scenes including a device for measuring off the same length of film for fading-out a film...
3712720 MOTION PICTURE CAMERA WITH FADING MEANS  
A motion picture camera wherein the exposures with fade-out effect are automatically followed by a rearward transport of that length of film which was exposed during fade-out and the camera motor...
3695752 CINE CAMERA  
A cine camera with an automatic exposure control system has a device for temporarily maintaining the aperture diaphragm in a desired stop position or for manually controlling the diaphragm. A shaft...
3603676 MEANS FOR PRODUCING FADE-IN AND FADEOUT EFFECTS ON MOTION PICTURE FILM  
A motion picture camera with a between-the-lens diaphragm wherein the means for producing fade-in and fadeout effects comprises a diaphanous light-dispersing optical element which is movable across...
3517990 FADE-IN,FADE-OUT CONTROL  
3672753 PHOTOCELL CONTROLLED DIAPHRAGM  
2937563 Fading and dissolving device for motion picture cameras  
Matches 1 - 47 out of 47