signal (Total 374428 Patents Found)

A monaural signal to artificial stereo signals converting and processing circuit for headphones comprises, a circuit which converts a monaural signal into artificial stereo signals, a circuit which adds localizing information of imaginary sources to the artificial stereo signals thus obtained, and a circuit which adds ...
The method effects initialization of successively arranged peripheral equipment (PE1...PEn) that are connected in parallel via an interface (S) to a central equipment (ZE) of a communication system. An access permission signal (zs) is forwarded from peripheral equipment (PE1...PEn) to peripheral equipment (PE1...PEn). ...
A storage controller for independently controlling the transfer of vectors of data into and out of a memory from a plurality of input devices and a digital signal processor capable of performing complex arithmetic functions. Program instructions, stored in the memory of the storage controller, specify the sequence of v...
A jitter unit converts a stable input test signal into a jittering output test signal used to test the jitter tolerance of electronic equipment. This jitter device allows any test or sample signal (analog or digital, video or audio) to be used for testing such equipment. Jitter is a type of timing error between the exp...
An apparatus and method for decoding an encoded video signal combs a two dimensional array of pixels from a single field of the encoded video signal according to selected weighting factors to obtain a weighted average chrominance value. The weighted average chrominance value is subtracted from the encoded value to obta...
Power reception circuits employable in portable data devices (e.g., smart cards) to derive power and/or data from an input AC power signal (e.g., an ASK modulated carrier signal). In one embodiment, the power reception circuit comprises a power rectifier (120), a shunt rectifier (142) and a shunting element (132). The ...
A unique frequency synthesizer unit for use in a data processing system I/O interface unit for providing at least one clock signal having a substantially constant frequency which can be generated in response to any one of a plurality of input clock signals each having a different frequency. The system I/O interface uni...
A high-frequency signal generator has upper and lower conductive plates parallel to each other, at least one dielectric rod held between the upper and lower conductive plates, a metal mount sandwiched between the upper and lower conductive plates, a oscillating element mounted on a side of the mount for generating a hi...
A digital signal processor for determining a property of a material flowing through a conduit. The digital signal processor of this invention receives signals from two pick-off sensor mounted at two different points along a flow tube at a first sample rate. The signals are converted to digital signals. The digital sign...
A signal processor eliminates sidelobe response from signals produced by a spaced antenna array that forms a single beam using spatial frequencies. The signal processor also produces error signals. The signal processor uses a phase coherent local oscillator to simultaneously convert the wavefront signal from each eleme...
A receiver protector is described incorporating a waveguide containing several isolation stages followed by at least one iris plate filter. The invention overcomes the problem of RF or microwave leakage power of out-of-band frequencies some of which may be generated by non-linear elements in the prior isolation s...
A video timing system is provided for clocking an imaging sensor as well as for clocking a downstream video monitor and NTSC encoder. Due to signal processing delays between the sensor and the monitor/encoder, the first pixel is clocked out of the sensor prior to beginning the rasters of the monitor and encoders by a t...
In a digital echo canceller using an impulse response filter, an interpolating and synchronizing circuit is used to couple the received digital signals from the four-wire circuit to the input of the filter. The interpolation and synchronization circuit generates signals having values between the values of received digi...
An apparatus for counting a number of record tracks which an optical head traverses on a basis of a periodical track transverse information INF TR representing the traverse of the head across the record tracks. The periodical track transverse information INF TR is derived by sampling information on the record tracks ...
A semiconductor integrated circuit so configured to stop the supplying of an electric power to a logic circuit in a standby mode, thereby to realize a low power consumption, includes a latch circuit characterized in that as the control signal a clock signal is supplied in the active mode, and a signal for creating an i...
A television signal recording and reproducing system wherein a television signal to be recorded is sequentially sampled at a predetermined number of points during each horizontal scanning period thereby to convert the television signal occupying a wide band into substantially vertically scanned signals. The converted s...
In a system for eliminating time base fluctuation of a video signal having a synchronizing signal and a burst reproduced from a video disk, for example, the synchronism is first coarsely pulled in on the basis of the horizontal synchronizing signal and then precisely follows the time base fluctuation on the basis of th...
A signal isolation and decoupling structure fabricated in an integrated circuit device for providing signal isolation and decoupling for signal carrying conductors of the integrated circuit device, wherein one of the conductors is embedded in dielectric material and enclosed within an isolation structure of an electric...
In a signal delay time calculation method of calculating an approximate signal delay time in an LSI based on AWE in which a signal voltage waveform is calculated by using terms of an admittance up to n-th order obtained by Laplace transform for the LSI. Even if there are one or more poles of the signal having a real-nu...
In a semiconductor device capable of obtaining an optimum delay time, a plurality of delay circuits are connected in series to one another through points of connections between two adjacent ones of the delay circuits to produce a plurality of reference delay signals derived from the delay circuits. One of the reference...
A method for compressing and decompressing moving picture information wherein a key signal is correctly reproduced and coding is efficiently carried out, and a video signal processing system for implementing the method. At the time of coding a video signal, conversion is carried out for make large a distance between an...
A video memory device is provided with a memory circuit, a write control circuit for controlling writing to the memory circuit by utilizing the horizontal synchronizing signal of a video signal input to the memory circuit, and a read control circuit for controlling reading from the memory circuit by utilizing the horiz...
A matte synthesizer and method generates baseband video signal information from user inputs for selecting levels of luminance, saturation and hue. The synthesizer includes continuously variable controls for inputting user selections over respective ranges of adjustment, a processor programmed to calculate directly a pl...
A signal transmission fuse (10, 20) such as shock tube has an outside diameter (OD) not greater than about 2.380 mm (0.0937 inch), for example, a tube outside diameter (OD) of from about 0.397 to 2.380 mm (about 0.0156 to 0.0937 inch), and the ratio of the inside diameter (ID) of the tube to the radial thickness of the...
A simple and cost effective optical device is provided which locks the wavelength output of a laser transmitter in an optical transmission system as well as substantially reducing and/or eliminating signal crosstalk. A light source is coupled along an optical path to a filtering element. The light source has output fre...
An apparatus and method is presented for establishing electrical connection to permanent downhole oilfield installations using an electrically insulated conducting casing. Current is caused to flow in the casing by a source on the surface connected to the casing. One or more permanent downhole installations are electri...
A digital video tape recorder includes a rotary drum that has a leading head and a trailing head mounted thereon for recording video signals in respective slant tracks scanned on the tape while the tape is advanced. Each of the tracks includes, in sequence in the scanning direction of the respective head, a first auxil...