U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Brooktree Corporation


Location: SanDiego, CA
No. of patents: 80

1    
NumberTitleIssue Date
6075790Asynchronous transfer mode system for, and method of, writing a cell payload between a control queue on one side of a system bus and a status queue on the other side of the system bus
A status queue in a host and a control queue in a segmentation and reassembly (SAR) subsystem are on opposite sides of a host bus in a control plane. Buffer descriptors in the host and the SAR and buffers in the host are in a data plane. To transfer cell ...
06/13/2000
5974478System for command processing or emulation in a computer system, such as emulation of DMA commands using burst mode data transfer for sound
A system and method for providing sound in a computer are disclosed. An audio module for controlling digitized sound I/O is included in a media stream controller. The media stream controller may also coordinate graphics and video which allows multiple med...
10/26/1999
5949781Controller for ATM segmentation and reassembly
A header and a payload in a cell are separated for transfer between a cell interface and a host memory. The header is transferred to a control memory. For transfer to the host memory, the control memory initially provides a host-memory region address and ...
09/07/1999
5940610Using prioritized interrupt callback routines to process different types of multimedia information
Multimedia information (e.g. graphics, video, sound, control information) passes through a system bus from a CPU main memory to a display memory in accordance with CPU commands. The information may be packetized with associated packet types identifying th...
08/17/1999
5812204System and method for generating NTSC and PAL formatted video in a computer system
A system and method for generating NTSC and PAL formatted composite video signals in a computer. Digital pixel data may be processed by software to form component video pixel data, which may include luminance and chrominance components. A chrominance look...
09/22/1998
5805173System and method for capturing and transferring selected portions of a video stream in a computer system
Aspects of the present invention provide a system for selectively processing a video signal in accordance with instructions from application software. The system contains a video decoder for converting an analog video signal to digital video data, and a c...
09/08/1998
5790110System and method for generating video in a computer system
A system and method for generating composite video signals in a computer. Digital pixel data may be processed by software to form component video pixel data, which may include luminance and chrominance components. A chrominance look-up table is provided i...
08/04/1998
5789972Regulated reference voltage generator having feedback to provide a stable voltage
An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are differentially introduced to a stage which produces a single-ende...
08/04/1998
5781132Error correcting decoder
The magnitudes of an input voltage and individual ones of progressive fractions of a reference voltage are compared to produce first and second output voltages. Each of the elements in a first logical network receives the first output voltage from an indi...
07/14/1998
5778055System for, and method of, transmitting and receiving through telephone lines signals representing data
Analog signals representing individual digital values (&#b1;1, &#b1;3) pass through a telephone line to a receiver. These signals may be first provided in a pseudo random sequence. A linear echo canceller and a first adder eliminate, to an extent, echo si...
07/07/1998
5777601System and method for generating video in a computer system
A system and method for generating composite video signals in a computer. Digital pixel data may be processed by software to form component video pixel data, which may include luminance and chrominance components. A chrominance look-up table is provided i...
07/07/1998
5768275Controller for ATM segmentation and reassembly
A header and a payload in a cell are separated for transfer between a cell interface and a host memory. The header is transferred to a control memory. For transfer to the host memory, the control memory initially provides a host-memory region address and ...
06/16/1998
5764074System for, and method of, minimizing noise in an integrated circuit chip
The noise from the effects of currents through distributed capacitances between electrical circuitry on an integrated circuit chip and the chip substrate is minimized, especially for analog circuitry mixed on the chip with digital circuitry. The invention...
06/09/1998
5761208Expansible high speed digital multiplexer
A multiplexer, preferably on an integrated circuit chip, receives a plurality of buses each having a plurality of lines responsive to binary indications and passes the binary indications in the lines of a particular one of the buses. The multiplexer inclu...
06/02/1998
5732279System and method for command processing or emulation in a computer system using interrupts, such as emulation of DMA commands using burst mode data transfer for sound or the like
A system and method for providing sound in a computer are disclosed. An audio module for controlling digitized sound I/O is included in a media stream controller. The media stream controller may also coordinate graphics and video which allows multiple med...
03/24/1998
5731744Voltage controlled oscillator
An apparatus and a method are provided to obtain oscillations from a crystal at a particular frequency by introducing real and imaginary components of voltage to the crystal. The imaginary component of voltage is different from the real component of volta...
03/24/1998
5717904Apparatus and methods for automatically controlling block writes
A system for processing a stream of data and automatically selecting a portion or all of the data stream for block writing to a memory. The memory is capable of storing data in response to a block write command and a normal write command. The system conta...
02/10/1998
5715437System for, and method of, processing in hardware commands received from software without polling of the hardware by the software
A CPU introduces software commands to a first limited capacity memory (e.g. FIFO), on an integrated circuit chip. Data (e.g. graphics) from a first portion of a second memory (off chip) is processed in accordance with such commands. A second portion (e.g....
02/03/1998
5640332Multimedia graphics system
Words of different types of digital information, including standard interframe video (SIF), graphics, television and audio are transferred preferably in packets between a controller, storage memory and shift registers (e.g. FIFO's) individually associated...
06/17/1997
5640162Digital-to-analog converter with binary coded inputs to produce a plurality of outputs in the form of thermometer code
Binary bits of least binary significance are converted to a corresponding analog output. Binary bits of increased binary significance are converted to a first plurality of thermometer outputs. A plurality of switching assemblies, each preferably recursive...
06/17/1997
5638131Method to synchronize video modulation using a constant time base
Successive pixels representing video data in successive lines in a raster scan are buffered. Each of the lines has a sync pulse defining the line beginning. A phase adjustment is determined between the sync pulse, preferably at a particular level in the s...
06/10/1997
5631593Adjustable delay line
A plurality of binary signals each having first and second logic levels respectively representing a binary "1" and a binary "0" and each indicating a binary digit of an individual binary significance cumulatively represent an adjustable delay to be provid...
05/20/1997
5627396Micromachined relay and method of forming the relay
A bridging member extending across a cavity in a semiconductor substrate (e.g. signal crystal silicon) has successive layers--a masking layer, an electrically conductive layer (e.g. polysilicon) and an insulating layer (e.g. SiO2). A first elec...
05/06/1997
5627885System for, and method of, transmitting and receiving through telephone lines signals representing data
Analog signals representing individual digital values (&#b1;1, &#b1;3) pass through a telephone line to a receiver. These signals may be first provided in a pseudo random sequence. A linear echo canceller and a first adder eliminate, to an extent, echo si...
05/06/1997
5620933Micromachined relay and method of forming the relay
A bridging member extending across a cavity in a semiconductor substrate (e.g. single crystal silicon) has successive layers--a masking layer, an electrically conductive layer (e.g. polysilicon) and an insulating layer (e.g. SiO2). A first elec...
04/15/1997
5602495Apparatus for providing an output voltage with substantially identical rising and falling characteristics
An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are differentially introduced to a stage which produces a single-ende...
02/11/1997
5596284System for, and method of, minimizing noise in an integrated circuit chip
The noise from the effects of currents through distributed capacitances between electrical circuitry on an integrated circuit chip and the chip substrate is minimized, especially for analog circuitry mixed on the chip with digital circuitry. The invention...
01/21/1997
5554950Delay line providing an adjustable delay in response to binary input signals
A plurality of binary signals each having first and second logic levels respectively representing a binary "1" and a binary "0" and each indicating a binary digit of an individual binary significance cumulatively represent an adjustable delay to be provid...
09/10/1996
5541598Current cell for converting a binary value to an analog value
A digital value represented by binary signals is converted to a corresponding analog value by three (3) current cells, preferably C-MOS p-type, in a digital-to-analog converter (DAC). The three (3) transistors, preferably disposed on an integrated circuit...
07/30/1996
5542041Apparatus for, and methods of, providing a universal format of pixels and for scaling fields in the pixels
Raster display memories are often arranged to output groups of pixels in progressive blocks, each having a plurality of pixels and each pixel having a plurality of fields. The fields in each pixel may provide color, overlay and cursor information for an i...
07/30/1996
5521539Delay line providing an adjustable delay
First and second complementary input voltages control current flow through first and second switches (e.g. semiconductor devices) each respectively connected in first and second control circuits with a first constant current source. When the input voltage...
05/28/1996
5500892Echo canceller
Analog signals representing individual digital values (+3, +1, -1, -3) of data pass through a telephone line to a receiver. These signals may first be provided in a pseudo random sequence. A linear echo canceller and a first adder at the receiver simultan...
03/19/1996
5486778Input buffer for translating TTL levels to CMOS levels
An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are differentially introduced to a stage which produces a single-ende...
01/23/1996
5479042Micromachined relay and method of forming the relay
A bridging member extending across a cavity in a semiconductor substrate (e.g. single crystal silicon) has successive layers--a masking layer, an electrically conductive layer (e.g. polysilicon) and an insulating layer (e.g. SiO2). A first elec...
12/26/1995
5406306System for, and method of displaying information from a graphics memory and a video memory on a display monitor
A display memory respectively stores, in first and second portions, digital graphics data for display in a video monitor and digital video data for display in a window in the monitor. The digital video data is transferred from the display memory to a shif...
04/11/1995
5406285Digital-to-analog converter
A system on an integrated circuit chip for providing a digital-to-analog conversion includes a plurality of output members each providing a particular current when energized. These members may be disposed on the chip in a pair of spaced columns. First con...
04/11/1995
5406219Differential-to-single-ended converter
First and second transistors respectively receive differential input signals each having first and second logic levels and respectively produce resultant currents dependent upon the levels of the input signals. The transistors may be CMOS transistors of t...
04/11/1995
5404173Method to synchronize video modulation using a constant time base
Successive pixels representing video data in successive lines in a raster scan are buffered. Each of the lines has a sync pulse defining the line beginning. A phase adjustment is determined between the sync pulse, preferably at a particular level in the s...
04/04/1995
5400056Apparatus for and method of processing and converting binary information to corresponding analog signals
In first and second modes, successive pairs of bytes, each with a suitable number (e.g. 8) of binary indications, are respectively processed in each clock cycle or clock half cycle to provide a true color. In these modes, the successive pairs of bytes may...
03/21/1995
5379077System for and method of, operating upon NTSC and PAL signals
A system converts PAL and NTSC pixel clock signals to signals (in a studio, digital or square pixel format) at a sub-carrier frequency individual to the PAL and NTSC formats. The system includes a first register for providing a particular increase in the ...
01/03/1995
1    
 
Sign InRegister
Username  
Password   
forgot password?