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| Number | Title | Issue Date |
| 7372384 | High-speed, high-resolution, low-power analog-to-digital converter An ADC and method comprises a hybrid-type sigma-delta modulator comprising a digital delta-stage and an analog sigma-stage, wherein the analog sigma-stage comprises an analog low-pass filter adapted to only pass a low frequency audio band between 0-20 khz of a PWM w... | 05/13/2008 |
| 7356141 | Baud rate modulation encoding/decoding method and device for remote controller A encoding/decoding method and device for a remote controller utilizing a baud rate to encrypt data for transmission. The encoding device includes an encoder encoding an identification code into an encrypted code; and an interpreter interpreting the un-encoded porti... | 04/08/2008 |
| 7333957 | Connected audio and other media objects Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the identifier from a media object and possibly additional context inform... | 02/19/2008 |
| 7203242 | Code rate adaptive encoding/decoding arrangement and method for a pulse code modulation system A code rate adaptive encoding/decoding arrangement and method for a pulse code modulation system comprises a code rate adaptor and a code capacity meter to dynamically produce a code rate adaptive signal for the code length of the pulse code modulation adaptive to a... | 04/10/2007 |
| 6944298 | Steganographic encoding and decoding of auxiliary codes in media signals One aspect of the invention is a method of decoding an auxiliary code embedded in an audio signal. The method performs a statistical decoding of a multibit auxiliary code embedded in an audio signal. The auxiliary code has been repetitively embedded in the audio sig... | 09/13/2005 |
| 6911900 | System and method for electronically signalling along a fence line A system for electronically signalling along a fence line, comprising one or more transmitter device(s) for connection to the fence line from which control signals or information may be sent along the fence line and one or more receiver device(s) for connection to t... | 06/28/2005 |
| 6653968 | System for generating a signal to superimpose information A system for generating a signal which, in addition to first information representing the rotational speed of a rotating part, contains at least second information. The signal changes over time between a first and a second current level and/or voltage lev... | 11/25/2003 |
| 6108377 | Transmitter unit for an anti-theft system of a motor vehicle, and method for operating the transmitter unit A transmitter unit generates a carrier signal in the form of a periodic bipolar signal. The carrier signal has intrapulse periods between two pulses of different polarity. A transmission antenna is operated with the bipolar signal. To prevent the harmonic... | 08/22/2000 |
| 6104318 | Method for entering a special mode of an electric device A method for entering a special mode of an electric device in which the special mode such as a test mode exists. According to the method, at least two coded keys are continuously inputted. From an initial key input, the coded keys are inputted in respecti... | 08/15/2000 |
| 5724357 | Remote response system and data transfer protocol A wireless remote response system includes a base unit which retrieves user-entered responses from a plurality of remote response units, each of which is provided to a user. The base unit transmits a base data package over a wireless communication link to... | 03/03/1998 |
| 5602553 | Radio controlled servo extender method and system A control system is disclosed to extend the range of rotation of a radio-controlled servo towards its physical limits. A microprocessor and its various interconnections are inserted between the output of a radio control receiver and the input to the servo... | 02/11/1997 |
| 5252977 | Digital pulse generator using digital slivers and analog vernier increments A digital architecture for a pulse generator includes a triggerable voltage controlled oscillator (VCO) with two alternative sources of frequency control voltage, an internal DAC or a phase frequency comparison with an external timebase. In a top octave o... | 10/12/1993 |
| 5208598 | Digital pulse generator using leading and trailing edge placement A digital architecture for a pulse generator includes a triggerable voltage controlled oscillator (VCO) with two alternative sources of frequency control voltage, an internal DAC or a phase frequency comparison with an external timebase. In a top octave o... | 05/04/1993 |
| 5202682 | Data encodement and reading method and apparatus A method and apparatus for measuring operations data which uses a commercially available digital multimeter (DMM) as the data receiving and display device. In one preferred embodiment, for example, basic operations data is transduced to digital form and t... | 04/13/1993 |
| 5138320 | Skew code generator for measuring pulses width using a delay line A skew code generator for digitally quantizing the width of a pulse. A series connected string of identical voltage controllable delay elements is supplied with the pulse, which is sensed as it passes through each of the delay elements. Output signals are... | 08/11/1992 |
| 4870425 | Communications system A communication system particularly adapted for use in an aircraft collision avoidance system wherein the transmitted portions of messages changed between aircraft consist of pulses or pairs of pulses at the beginning and end of a message. The data or inf... | 09/26/1989 |
| 4584691 | Timed pulse communication system A modulator and demodulator is described for a carrier frequency which is modulated by continuous pulses of different lengths time-wise, as many different lengths being provided as the number of letters, numbers, signs or even words require. The pulse gen... | 04/22/1986 |
| 4137500 | Frequency dependent amplitude modulated exciter apparatus My invention relates to the hookup of electrical and mechanical devices for use in a frequency dependent amplitude modulated exciter apparatus. My invention provides a higher first frequency alternating current source of electromagnetic power which is met... | 01/30/1979 |
| 4134108 | Emergency alarm device A portable and addressable emergency alarm device which transmits a selected radio frequency alarm signal from a portable transmitter to a stationary receiver and sounds an alarm.... | 01/09/1979 |
