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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7199857 | Digital control unit for projector automation systems A projector automation system for controlling one or more controlled systems having functionality that is responsive at least in part to automation control signals. The automation system interacts with a digital projector having a control port and a film projector h... | 04/03/2007 |
| 6778252 | Film language A method for modifying an audio visual recording originally produced with an original audio track of an original speaker, using a second audio dub track of a second speaker, comprising analyzing the original audio track to convert it into a continuous time coded fac... | 08/17/2004 |
| 6621552 | Film camera with data recordation A film camera is disclosed which is equipped with a device for recording synchronizing data, for use in automated post processing, wherein, for example, timing data is exposed onto the film by means of an optical display element activated by an activator ... | 09/16/2003 |
| 5991003 | Synchronous control apparatus A synchronous control device having a memory 101 for storing block data blocked in terms of a pre-set data amount, a clock generating circuit 102 for generating input side clocks which are based on a data rate to be synchronized, and a memory control unit... | 11/23/1999 |
| 5872615 | Motion picture presentation system A microprocessor-based system for controlling the presentation of a motion picture film in a theater having sound, lens, masks, and light systems with controllers for switching between the various modes or settings of the systems. The microprocessor-based... | 02/16/1999 |
| 5822438 | Sound-image position control apparatus To obtain a sound-broadened image and a clear sound-image discrimination image when producing plural kinds of sounds, the electronic musical instrument and the like provides a sound-image position control apparatus. This apparatus at least provides a sign... | 10/13/1998 |
| 5790236 | Movie processing system This invention discloses an apparatus for apparatus for conducting a comparison of a plurality of versions of a movie which differ at least in their audio channels and for generating an editing list for an output movie on the basis of the comparison, the ... | 08/04/1998 |
| 5740294 | Optical sound head combined with a sound film projector An optical sound head (L), comprising a red laser diode (11) and a inspection window (90), allowing easy functional inspection, but also simple adjustment during manufacture. The laser diode (11) and all optical (10) and electronic (20) assemblies to be a... | 04/14/1998 |
| 5553049 | Reproduction of digital audio data optically recorded in a motion picture film An apparatus for optically reproducing digital speech data recorded on a motion picture film is disclosed. The digital speech data recorded on an emulsifier surface of the motion picture film is illuminated with an illuminating light from the side of a ba... | 09/03/1996 |
| 5523996 | Laser light modulation method and apparatus for recording digital audio signals on cinefilm The present invention comprises a method and apparatus for recording digital audio information using light modulation of a laser beam on cinefilm. In the invention, a laser beam of low coherence and high output is radiated from a semiconductor laser havin... | 06/04/1996 |
| 5521922 | Data demultiplexer A data demultiplexer for separating multiplex data including at least coded video data, coded audio data, timing data indicative of a video decoding start time, timing data indicative of an audio decoding start time, and timing data indicative of a system... | 05/28/1996 |
| 5506639 | Method and apparatus for editing motion picture film and synchronized sound Method and apparatus for applying encoded data on the balance stripe of sound track, the data for providing information for editing an associated film without recording the data on the film. The present invention teaches an apparatus for applying code for... | 04/09/1996 |
| 5450146 | High fidelity reproduction device for cinema sound Dynamic range and passband problems in cinema sound transmission are solved by using a laser disk (9) read by a laser disk player (10, 11, 12) synchronized (14) with the original sound track of the film. Problems relating to splices in the film are solved... | 09/12/1995 |
| 5386255 | Motion picture digital sound system and method with primary sound storage edit capability A digital sound system for motion picture films employs a digital time code on the film to trigger the transfer of sound data from a digital audio store to a FIFO memory. The digital audio data is read out from the FIFO memory and played back in the theat... | 01/31/1995 |
| 4832481 | Process and apparatus for transferring in synchronism, onto common recording support, the images of a cinetographic film and the sound recorded An apparatus for transferring in synchronism, onto a common recording support, the images of an cinematographic film and the sound recorded during shooting on a separate support, comprises a telecine apparatus ensuring reading of the cine film. A microcom... | 05/23/1989 |
| 4600280 | Digital audio recording/playback system for motion picture film Sound is recorded on a motion picture filmstrip (20) by taking periodic samples (15) of an analog signal (13), digitizing each sample in the form of a sixteen-bit binary word (40), (41), (43), and representing each binary word on the filmstrip in the form... | 07/15/1986 |
| 4399327 | Variable directional microphone system Three microphone units of first order sound pressure gradient unidirectional type are disposed in a casing having front and rear portions at both sides in such a manner that the center axes of the microphone units are aligned on the same axis. Two among t... | 08/16/1983 |
| 4365875 | Motion picture camera A motion picture camera is equipped with a shutter opening angle adjusting device capable of changing the opening angle of a shutter including a plurality of concentrically disposed shutter blades form 0° to a predetermined opening angle by changing on r... | 12/28/1982 |
| 4307946 | Flutter compensator with variable oscillator Flutter in an audio signal recorded on a magnetic tape is reduced by sampling the audio at a rate determined by the frequency of a reference signal also recorded on the tape, reading the samples into respective cells of a memory, and reading out respectiv... | 12/29/1981 |
| 4281909 | Modular camera system A modular camera system includes a basic camera having an image forming optical system, image focal plane arrangement, and predetermined imaging and camera functions. The modular camera system further includes modules that are selectively attachable and c... | 08/04/1981 |
| 4110017 | Low-frequency sound program generation There is disclosed a method for generating a low-frequency sound program for play during the performance of a motion picture film to produce a physical effect on the theater audience. Rather than to use random low-frequency noise or some other low-frequen... | 08/29/1978 |
| 4104625 | Apparatus for providing facial image animation An image animation apparatus includes a rotating disk having film negatives mounted around its periphery each film negative having a different facial expression on it. By use of an associated microprocessor which responds to certain control inputs the seq... | 08/01/1978 |
| 4084891 | Sound motion-picture camera The camera includes a drive arrangement for effecting transport of sound motion-picture film through the camera along a predetermined path. A recording unit is operative for recording audio information onto the sound track of the motion-picture film. A su... | 04/18/1978 |
| 4070106 | Short circuit for recording head of simultaneous recording cine camera To eliminate the recording of undesirable sounds which can occur upon stang a sound motion picture camera in which sound is recorded simultaneously as the picture is recorded, a circuit shorting switch is installed in parallel with the sound recording he... | 01/24/1978 |
| 3999842 | Synchronization procedure and means of application of the procedure A method and apparatus for the resynchronization of the transport of movie film (image carrier) with the movement of another information-carrying medium such as sound tape film. Speed control and synchronization signals are produced by means of sensing th... | 12/28/1976 |
| 3984179 | Motion picture camera with sound recording means A movie sound camera wherein the motor for the sound shaft of the sound recording unit is started by a self-arresting rotary programming device prior to completion of the circuit of a sound amplifier, and the circuit of the amplifier is completed prior to... | 10/05/1976 |
| 3973839 | Special effects generation and control system for motion pictures A special effects system for simulating physical sensations in an audience during the presentation of a motion picture. Relatively high intensity, very low frequency random noise is acoustically coupled to a theater space to produce psychological and phys... | 08/10/1976 |
| 3963335 | Magnetic tape carrier An audio visual reproduction apparatus utilizing an improved tape and film cartridge which is completely enclosed to be tamper-proof and to be used by inexperienced personnel. The cartridge includes transparent apertures therein for projecting light there... | 06/15/1976 |
| 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 reducing the audio level during a fade-out operation and for a... | 04/13/1976 |
| 3945718 | Sync contact switch for movie camera A switch adapted to cooperate with the pull-down claw of a silent movie camera for transmitting an electrical signal each time a frame of movie film is advanced past the shutter of the camera includes an insulating base adapted to be positioned within the... | 03/23/1976 |
