Bizarre Patents
An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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.
| Application No. | Application Title | Issue Date |
| 20110119520 | Hardware Function Generator Support in a DSP The present invention relates to digital signal processors with an integrated module configured to compute a Coordinate Rotation Digital Computer (CORDIC) in a pipeline. The pipelined module can advantageously complete computation of one CORDIC computation for each cloc... | 05/19/2011 |
| 20110055303 | Function Generator One embodiment relates to a method for generating a periodic function in response to an argument in a digital signal processing system, where the periodic function can be represented as functions of two or more components of the argument. The method may include: obtaini... | 03/03/2011 |
| 20110004645 | APPARATUS AND PROGRAM FOR ARCTANGENT CALCULATION An arctangent calculation apparatus includes a phase angle memory unit in which a phase angle is stored in advance, the phase angle corresponding to a two-dimensional vector value corresponding to in a range of 0° to substantially 22.5°; a vector rotation unit that pe... | 01/06/2011 |
| 20090327383 | SINUSOIDAL WAVE GENERATION CIRCUIT There are provided a coefficient ROM 1 for storing coefficients representing angular frequencies corresponding to a desired frequency and a sampling frequency, that is, two types of coefficients for a single desired frequency, an accumulated addition calculating ... | 12/31/2009 |
| 20090300088 | SINE/COSINE GENERATOR A method (30°) for generating a sine and cosine of an input angle (Ø102). The method involves decomposing Ø102 to an octant or quadrant, a coarse angle (A), and a fine angle (B), determining cos(A), and determining sin(A). The method also... | 12/03/2009 |
| 20090157783 | NUMERICALLY-CONTROLLED OSCILLATOR CAPABLE OF GENERATING COSINE SIGNAL AND SINE SIGNAL ONLY USING COSINE LOOK UP TABLE AND OPERATING METHOD OF THE NUMERICALLY-CONTROLLED OSCILLATOR A numerically-controlled oscillator (NCO) and an operating method of the NCO are provided. According to the NCO and the operating method of the NCO, it is possible to reduce the size of a lookup table memory by using a lookup table, which stores a plurality of phase com... | 06/18/2009 |
| 20090006514 | METHOD AND DEVICE FOR NUMERICALLY GENERATING A FREQUENCY To generate a digital signal at a given frequency, a step of calculating at least one trigonometric function for consecutive phases separated by a phase gap φS which is dependent on the frequency to be generated is repeated, and, during the step of calculati... | 01/01/2009 |
| 20080183783 | Method and Apparatus for Generating Trigonometric Results A method, computer-readable medium, and apparatus for generating a trigonometric value. The method includes receiving a request to calculate a trigonometric value for an angle value and calculating a fractional value from the angle value. The fractional value correspond... | 07/31/2008 |
| 20080172433 | METHOD FOR MODELING A STRUCTURE OF A SPIDER WEB USING COMPUTER PROGRAMMING The methods for modeling a structure of a spider web using computer programming are disclosed. First method of modeling elliptical spider webs using computer programming includes inputting variables into computer program to model spider webs; number of radii, number of ... | 07/17/2008 |
| 20080005213 | Phase-coherent signal generator A method is provided for insuring phase-coherency of a sinusoidal signal when changes occur in the signal's frequency. The method may include generation of a phase word that may be used for accessing entries in a relatively small Sin(x) and Cos(x) Look-Up-Tables (LUTs),... | 01/03/2008 |
| 20050262175 | Trigonometric wave generation circuit using series expansion A DTMF signal generating circuit is provided with a frequency designating unit which designates frequencies to form a DTMF signal, a sinusoidal wave computing unit which computes sinusoidal waves by referring to frequencies designated by the frequency designating unit, ... | 11/24/2005 |
