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6562633 |
Assembling arrays of small particles using an atomic force microscope to define ferroelectric domains
A method of assembling arrays of small particles or molecules using an atomic force microscope to define ferroelectric domains includes depositing a ferroelectric thin film upon a substrate forming...
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6246652 |
Device using sensor for small rotation angle
A recording and reproducing or observing apparatus based on a laser beam deflection detection method in which an object has a very small area for reflecting light. A laser beam emitted by a...
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6072765 |
Optical disk readout method using optical coherence tomography and spectral interferometry
An optical coherence tomography(OCT) and spectral interferometry imaging probe for the automatic screening and diagnosis of cervical and skin cancer in vivo. The probe eliminates the old techniques...
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5808977 |
Tracking method and recording means thereby
An object of the present invention is to provide a novel tracking method and device, suitable for use in a recording means applying the technology of a scanning probe microscope, for recording...
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5590100 |
Information recording/reproducing technique to record plural-channel information for subsequent simultaneous reproduction
Program information of plural channels is recorded on an optical magnetic disk in such a manner that the program information can be simultaneously reproduced together from the disk. Once other...
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5537372 |
High density data storage system with topographic contact sensor
A high density data storage system includes a rotatable storage medium mounted to rotate about a drive axis, the storage medium having formed thereon a surface topography defining machine readable...
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5003522 |
Disc reproducing system for compensating mechanical imperfections
Means for reducing the effects of vertical perturbations of a phonograph disc surface resulting from disc and/or playback system mechanical imperfections. Such imperfections are compensated by...
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4833662 |
Reproduction apparatus for a magneto-optical recording medium
A reproduction apparatus for an optical magnetic disk having data recorded in a magneto-optical recording form and an address recorded in an optical recording form, includes a pickup for detecting...
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4752921 |
Record player with means for capturing recording and scanning angle
A record player with a scanner for record disks is provided, where the vertical recording track angle α is to be placed within predetermined limits, but where, in general, the value of α is not...
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4607290 |
Image information filing apparatus
An image information filing apparatus includes a data compressing circuit for compressing line image information corresponding to each scanning line to decrease the redundancy of the image...
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4519062 |
Signal pickup device
A signal pickup device for picking up signals from a video disc includes a base plate, a transducer unit printed on the base plate and having an oscillator, transformer, a resonator, an inductor,...
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4512006 |
Optical type information read/write apparatus
An optical-disk system is disclosed which comprises an optical-disk rotating in accordance with constant linear velocity technique, a signal input device for producing an information signal...
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4425637 |
Optical recording apparatus
An optical recording apparatus for recording digital signals controls the pulse length of the recorded signals by delaying either the positive-going edges or the negative-going edges of the digital...
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4328573 |
Precision phonocartridge interface
A phonograph cartridge interface which enables any magnetic phonograph cartridge to be operated into its proper termination impedance. One embodiment of the device includes a capacitance test...
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4278846 |
Video disc locked groove clearance system
A stylus arm having a bimorph transducer integrally mounted therewith is combined with electrical circuitry for detecting prescribed components of stylus motion and with circuitry for applying...
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4119812 |
Signal defect detection and compensation with signal de-emphasis
Information processing system, for use with a source of carrier waves modulated with audio information, includes in respective audio channels a demodulator and for recovery of the audio information...
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3973080 |
Playback device for a disc-shaped record carrier with transducer lifting for changing playback groove for fast, slow or stop effects
A playback device for disc-shaped record carriers containing video signals stored in the grooves thereof which includes an arrangement which, in response to an applied power pulse, displaces the...
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3623734 |
PICK-UP DEVICE FOR RECORD PLAYERS
A pickup device for record players which enables a stylus under a light pressure to perfectly trace the grooves on a disc even if the disc is warped or eccentric, whereby high-fidelity reproduction...
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3564162 |
STEREOPHONIC RECORDING SYSTEMS WITH QUADRATURE PHASE RELATION
Stereophonic disc records are made by recording as vertical record groove modulation a stereophonic difference signal from which low frequency components have been extracted, and as lateral groove...
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3562445 |
PREAMPLIFIER FOR HIGH FIDELITY SYSTEM UTILIZING A MOVING COIL STEREOPHONIC PICKUP CARTRIDGE
A preamplifier for a high fidelity system, which utilizes a moving coil, stereophonic, pickup cartridge, provides dynamic damping of the moving coils of that stereophonic, pickup cartridge by...
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3534180 |
PHONOGRAPH PREAMPLIFIER WITH DIRECT DC BIAS COUPLING BETWEEN THE TRANSISTOR AND PIEZORESISTIVE PICKUP
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3444333 |
PHONOGRAPH WITH CIRCUIT BOARD MOUNTED ON THE MOTORBOARD BENEATH THE TURNTABLE
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3399276 |
Rc coupled transistor amplifier
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3360269 |
Miniaturized phonograph
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3286043 |
Phonograph recorder-reproducer cartridge utilizing supersonic and audio frequency inputs
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3235267 |
Suspension for the pick-up head of a gramophone record reproducer
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3191164 |
Moving head memory device
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3190971 |
Sound reproduction apparatus
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3133989 |
Amplifier control circuit
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3077519 |
Stereophonic phonograph
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3054862 |
Pickup cartridge
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3026378 |
Stereophonic audio-frequency signal amplifier systems
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2964595 |
Sound reproducing apparatus
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2858370 |
Sound reproducer
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2853561 |
Sound reproducing system
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2817706 |
Autophone
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2789235 |
Voltage dropping system for phonographs with amplifiers
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3588118 |
Title is not available
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