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

Icon_funbox Bizarre Patents

Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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.

 

Class 341/57 - Binary to or from ternary


Subclass of Class 341 - Coded data generation or conversion
Definition: Subject matter for converting digital signals where each
No. of patents: 126
Last issue date: 08/02/2011


1        
NumberTitleIssue Date
7990292Method for transmission of a digital message from a display to a handheld receiver
The invention relates to a method to efficiently transmit a digital message over a unidirectional optical link, such as the link between a computer screen and a security token equipped with photosensitive elements. It is an object of this invention to provide a sour...
08/02/2011
7920077Method and system for decompressing at least two two-valued symbol sequences into a three-valued communication sequence
A method for decompressing at least two two-valued symbol sequences into a three-valued communication sequence is described comprising converting a first two-valued symbol sequence into an intermediate symbol sequence and symbol-wise multiplying the intermediate sym...
04/05/2011
7561075Method and apparatus to facilitate transmission of ternary movable barrier operator information
Ternary data as corresponds to a movable barrier operator is provided (21) and converted (22) into corresponding binary information. In a preferred approach this comprises converting each ternary trit into a corresponding binary pair. Pursuant to a pre...
07/14/2009
7492287Two-bit tri-level forced transition encoding
An encoding technique is disclosed for mitigating against the effects of Intersymbol Interference (ISI) and DC creep by forcing data transitions at least every two data bits. Two consecutive bits of data in the original non-return-to-zero (NRZ) data stream are group...
02/17/2009
7420484Data encoding and decoding using Slepian-Wolf coded nested quantization to achieve Wyner-Ziv coding
A system and method for realizing a Wyner-Ziv encoder may involve the following steps: (a) apply nested quantization to input data from an information source in order to generate intermediate data; and (b) encode the intermediate data using an asymmetric Slepian-Wol...
09/02/2008
7355444Single and composite binary and multi-valued logic functions from gates and inverters
Gates or switches for use in circuits implementing ternary and multi-value functions are disclosed. The gates can be optical, mechanical or electrical. The gates can conduct or not conduct when a control input assumes one of multiple states, or when a control input ...
04/08/2008
7330451Code division multiple access communication system and method
Disclosed is a CDMA communication system and method that make it possible to accommodate a greater number of user terminals that can be connected per facilities investment. Ternary phase-shift keying (TPSK) modulation is applied as primary modulation in a CDMA commu...
02/12/2008
7330137Method and apparatus for RLL code encoding and decoding
An encoder and decoder for encoding data bits of a binary source signal into a stream of data bits of a binary channel signal and vice versa includes a conversion table used to map m-bit source words to codeword having a variable code length with a basic code length...
02/12/2008
7307553MPEG-4 encoding/decoding method, medium, and system
An MPEG (Moving Picture Experts Group)-4 encoding/decoding method, medium, and system. The decoding method may include detecting information for identifying an array structure of binary data describing a scene, and decoding the binary data based on the detected info...
12/11/2007
7289048Duo-binary encoder and optical duo-binary transmission apparatus using the same
A duo-binary encoder performs a parallel processing and an optical duo-binary transmission apparatus using the encoder to enhance transmission capability. The duo-binary encoder has a judgment unit for judging whether an odd number or even number of ‘0’s exists ...
10/30/2007
7277030Sequence detection by multi-valued coding and creation of multi-code sequences
Methods and apparatus for coding binary and multi-value sequences into higher value sequences are disclosed. Correlation methods for comparing lower-value sequences by first coding to higher value sequences and then calculating a correlation number are also disclose...
10/02/2007
7269212Low-latency equalization in multi-level, multi-line communication systems
Low-latency equalization mechanisms for multi-PAM communication systems are disclosed that reduce delay and complexity in signal correction mechanisms. The equalization mechanisms tap into input signals for a multi-PAM signal driver, and compensate for attenuation a...
09/11/2007
7218254Balanced disparity channel code for DC control
A coder is fed with precoded data such that the absolute value of the running digital sum (RDS) of the code words as produced by the coder is limited. This is achieved by ensuring that in a group of 2 code words, the RDS of the first code word is compensated by the ...
05/15/2007
7206876Input/output interface of an integrated circuit device
An integrated circuit includes M first terminals and N second terminals, where M and N are positive integers, and where M>N>1. The circuit further includes a converter which receives M base-A-level input signals from the M first terminals, respectively, encodes each...
04/17/2007
7197083Creation of spectral windows through the use of high rate code words
An apparatus to process a data word includes an encoder to receive and encode the data word, wherein a power spectral density of an encoded word is lowered across a specific frequency band relative to a power spectral density of the data word. A data transmission bu...
03/27/2007
7190722Ultra-wideband pulse modulation system and method
An ultra-wideband pulse modulation system and method is provided. One method of the present invention includes transforming data into a ternary data set with data being represented with states of zero, positive one and negative one. The modulation and pulse transmis...
03/13/2007
7167110Multi-level communication system and method with error correction
A communication system for transmitting a six-phase modulated signal and including an efficient error correction system suitable for the six-phase modulated signal is disclosed. A transmitting apparatus comprises a ternary error correction encoding circuit for gener...
01/23/2007
7167109Hybrid fractional-bit systems
The present invention abandons the conventional approach of incrementing bits-per-cell b by 1, but allows increments of states-per-cell N by as little as 1 between product generations. Because N is no longer an integral power of 2, b takes a fractional value, result...
01/23/2007
7145483Chip to chip interface for encoding data and clock signals
A chip to chip interface comprises a driver configured to receive a data signal and provide an output signal at a first level in response to receiving an odd number of consecutive logic highs in the data signal, at a second level in response to receiving an odd numb...
12/05/2006
7142132Methods and systems for multi-state switching using at least one ternary input and at least one discrete input
Systems, methods and devices are described for placing a controlled device into a desired operating state in response to the position of a multi-position actuator. Two or more switch contacts provide input signals representative of the position of the actuator. Cont...
11/28/2006
7126408Method and apparatus for receiving high-speed signals with low latency
An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter...
10/24/2006
7109905Data detection for local probe data storage devices
Apparatus for detecting data in a sensor signal generated by a read sensor in a local probe data storage device comprises a differentiation for subtracting a value of the sensor signal from the succeeding value of the sensor signal to generate a ternary difference s...
09/19/2006
7098816Tri-state delta codec method and system
A delta modulation method and system is provided for processing signals in a digital communications system. The method quantizes an input signal using a tri-state quantizer into a quantized value selected from a set of three different quantized values including a lo...
08/29/2006
7098833Tri-value decoder circuit and method
A tri-value decoder and method for decoding at least three states of an input signal are provided. An exemplary tri-value decoder and method can facilitate decoding of input signals without the use of threshold values and/or forcing a tri-state input signal to a mid...
08/29/2006
7075329Signal isolators using micro-transformers
A logic signal isolator comprising a transformer having a primary winding and a secondary winding; a transmitter circuit which drives said primary winding in response to a received logic signal, such that in response to a first type of edge in the logic signal, a si...
07/11/2006
7071849Fractional-Bit Systems
The present invention abandons the conventional approach of incrementing bits-per-cell b by 1, but allows increments of states-per-cell N by as little as 1 between product generations. Because N is no longer an integral power of 2, b takes a fractional value, result...
07/04/2006
7071850Method and apparatus to facilitate transmission of ternary movable barrier operator information
Ternary data as corresponds to a movable barrier operator is provided (21) and converted (22) into corresponding binary information. In a preferred approach this comprises converting each ternary trit into a corresponding binary pair. Pursuant to a pre...
07/04/2006
7064684Sequence detection by multi-valued coding and creation of multi-code sequences
Methods and apparatus for coding binary and multi-value sequences into higher value sequences are disclosed. Correlation methods for comparing lower-value sequences by first coding to higher value sequences and then calculating a correlation number are also disclose...
06/20/2006
6995694Methods, software, circuits and systems for coding information
Methods, software, circuits, architectures, and systems for encoding, decoding and error checking/correcting information, particularly pulse amplitude modulated information. The present invention enjoys particular advantage when used to encode x-unit sequence values...
02/07/2006
6970110Probability centrifuge algorithm with minimum laterally adiabatically-reduced Fisher information calculation
A data compression algorithm which computes from a given probability density, in continuous or histogram form, a “probability centrifuge” probability density and also the Fisher information of the density. The density preserves Shannon entropy of the original de...
11/29/2005
6965262Method and apparatus for receiving high speed signals with low latency
An apparatus and method for receiving high-speed signals having a wide common-mode range with low input-to-output latency. In one embodiment, the receiver includes an integrator to accumulate charge in accordance with an input signal during an integration time inter...
11/15/2005
6961010DC-free code design with increased distance between code words
A method and apparatus are provided for encoding digital information. A sequence of successive data words are encoded into a sequence of successive code words according to a code, such that a running digital sum (RDS) of the sequence of successive code words is boun...
11/01/2005
6959412Error correction coding utilizing numerical base conversion for modulation coding
A method of encoding data includes representing the data as number(s) in a first base. The method further includes converting the number(s) into a number(s) in a second base. The resultant number in the second base can be viewed as data suitable for encoding using a...
10/25/2005
6956510Methods, software, circuits and systems for coding information
Methods, software, circuits, architectures, and systems for encoding, decoding and error checking/correcting information, particularly pulse amplitude modulated information. The present invention enjoys particular advantage when used to encode x-unit sequence values...
10/18/2005
6920183Crosstalk equalization for input-output driver circuits
Embodiments of the present invention mitigate crosstalk by equalizing transmit signals in a data dependent fashion. ...
07/19/2005
6909358Hamming distance comparison
A method and system for performing hamming distance comparison. A hamming distance comparator may comprise a plurality of evaluation circuits where each evaluation circuit may be configured to evaluate a bit in a received data packet. Each evaluation circuit may com...
06/21/2005
6907389Process for the serial transmission of digital measurement data
For achieving lower transmission frequencies when serially transmitting digital measurement data from a transmitter to a receiver, wherein at the transmitter an absolute value of a continuously measured physical parameter and correction values describing alterations...
06/14/2005
6903578Logic isolator
A logic isolation circuit has a transmitter circuit for receiving a logic input signal and providing a periodic signal to an isolation barrier, and a receiving circuit for receiving the periodic signal from the isolation barrier and for providing an output signal th...
06/07/2005
6717532Communication system and method
A communication system comprises a transmitting apparatus and receiving apparatus for transmitting/receiving a N-ary signal, based on a prime number exceeding 2, inclusive of an efficient error correction system. The transmitting apparatus includes a binary to N-ary...
04/06/2004
6700509Device and method for processing a digital information signal
A device and associated method for processing a digital information signal from a channel signal. The digital information signal is runlength limited with one or more constraints. The device comprises receiving means for receiving the channel signal and m...
03/02/2004
1        
 
Sign InRegister
Username  
Password   
forgot password?