Bizarre Patents
Crispy Chip Sandwich and Process of Producing a Sandwich Product
A food product comprising a multilayer cookie or snack having outer layers formed from a crispy type edible food product such as a potato chip or corn chip, etc. with an intermediate marshmallow layer being in contact with the inner surface of each crispy chip and one or more filler substances.
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| Number | Title | Issue Date |
| 8107918 | Broadband tuner for very wide signal conversion An agile RF tuner circuit capable of converting a wide portion of RF signal into an IF signal suitable for analog-to-digital conversion. The circuit up converts a received RF signal to a high IF signal and then down converts the high IF signal to a low IF signal. Em... | 01/31/2012 |
| 7574189 | Transmitter and power amplifying method A transmitter includes a first limiter for performing a first clipping in which an amplitude part at a level higher than an amplitude level based on a first clipping level is cut out from an input signal to be subjected to power amplification, a second limiter for p... | 08/11/2009 |
| 7388962 | Directional hearing enhancement systems A hearing enhancement system that enhances a user's hearing based on a directional speaker is disclosed. In one embodiment, the system can include an interface unit that has a directional speaker and a microphone. The microphone captures input audio signals that are... | 06/17/2008 |
| 7366316 | Device to transmit and receive data for remote control of hearing devices A device to transmit and receive data for remote control of hearing devices has a reduced size achieved by the transmitter coils of the transmitter and the receiver coil of the receiver being wound around a common, shared core. Moreover, a protective capacitor that ... | 04/29/2008 |
| 7151918 | Low reflection limiter and transmitting/receiving module utilizing same A transmitting/receiving module includes a first amplifier for amplifying a transmission signal, a second amplifier for amplifying a receiving signal, and a low reflection limiter provided on an input side of said second amplifier. There may be further provided a ra... | 12/19/2006 |
| 7092461 | Polyphase receivers A polyphase receiver comprises an RF front end (10 to 28) for receiving a wanted data signal modulated on a carrier signal and for producing quadrature related low IF signals, an image rejection filter formed by a polyphase filter (30) for filte... | 08/15/2006 |
| 7076219 | Receiver for weak radio wave An aspect of the present invention provides a receiving circuit that includes a mixer configured to receive a signal and a local signal to mix the signals, the mixer configured to convert the signals into an intermediate frequency signal, an IF filter configured to ... | 07/11/2006 |
| 7020450 | Active inductors using bipolar silicon transistors An active inductor includes bipolar transistors T1, T2, T3 and TD (TD being arranged in diode), where T1's emitter is connected to an output port and to T2's collector. T2's base is connected to a first voltage line and betw... | 03/28/2006 |
| 7010283 | Signal waveform detection circuit A signal waveform detection circuit includes an amplifier circuit and a comparing circuit. The amplifier circuit has differential amplifiers connected in series. Each of the differential amplifiers has a common connection point. The comparing circuit is connected to... | 03/07/2006 |
| 6980593 | Wireless transmission-reception system The wireless transmission-reception system of the subject invention includes a transmitter and a receiver. The transmitter includes a compressor for compressing a signal to be transmitted and a pre-emphasis circuit for emphasizing an output signal of the compressor.... | 12/27/2005 |
| 6922555 | Phase interpolation receiver for angle modulated RF signals A phase interpolation receiver for receiving angle modulated radio frequency signals. The receiver comprises mixers for down-converting the received angle modulated signal to lower frequency signals, limiters, interpolation filters, and a demodulator. The mixers dow... | 07/26/2005 |
| 6826392 | Multipath noise reduction method, multipath noise reducer, and FM receiver A multipath noise reducer extracts a high-frequency signal from a demodulated signal obtained from a frequency-modulated signal, and generates a noise reduction coefficient from the extracted high-frequency signal. The demodulated signal is also separated into high-... | 11/30/2004 |
| 6771701 | Adaptive filter divergence control in echo cancelers by means of amplitude distribution evaluation with configurable hysteresis A configurable adaptive filter that is used for echo cancellation is disclosed, which includes a method of detecting a voice or no-voice signal. The presence of a voice or no-voice signal is determined by calculating a histogram of signal amplitude value over a peri... | 08/03/2004 |
| 6615022 | Impulse noise rejection circuit and satellite communications terminal using the same The disclosed impulse noise rejection circuit and satellite communications terminal using the same are small in circuitry and small in the number of components. The limiter amplifier disposed before a narrow band pass filter controls a desired reception s... | 09/02/2003 |
| 6405026 | Communication device and method A radio communication device (100) such as a mobile telephone comprises signal converters (110, 130, 140), a band-pass filter unit (120) and an oscillator (150). In the receiving mode (I) a first converter (110) converts an HF signal into an intermediate ... | 06/11/2002 |
| 6366627 | Compressive receiver with frequency expansion A compressive receiver including a dispersive delay line (10) and a frequency translator (16, 18) is preceded by signal compressors (22a-d) that record the incoming signals at one speed and play them back at a higher speed. This increases the frequency sp... | 04/02/2002 |
| 6339701 | Method and apparatus for extending the dynamic range of a frequency mixer A frequency mixing system that provides an expanded dynamic range when compared to the dynamic range(s) of an individual mixer(s) that makes up the frequency mixing system. The frequency mixing system adjusts the amplitude of an input signal to be frequen... | 01/15/2002 |
| 6239730 | Method and device for maximizing the ratio between signal and quantization noise when converting between analogue and digital form of a multi-carrier signal Device (200; 500) for minimizing the quantization noise in conversion between analogue and digital form of a multi-carrier signal comprising an AC component (VAC) with a particular RMS value (VRMS). The device comprises means (230; 5... | 05/29/2001 |
| 6112065 | Low to higher if conversion for active filtered limited IF systems An improved receiver architecture utilizing active filters for frequency conversion, wherein the final IF stage operates at a frequency higher than the previous IF stage, is disclosed to facilitate the processing by a baseband system operating at higher I... | 08/29/2000 |
| 6055416 | Prevention of audible control signal transmission A communication system having a radio master and a radio slave for communicating a communication signal and a control signal via a common channel is constructed by a receiver to receive a communication signal, a transmitter to transmit a control signal, a... | 04/25/2000 |
| 5937017 | Complex signal limiting Each complex signal sample a(k)+jb(k) of a frequency modulated signal is limited in order to reduce co-channel interference. The limiting is performed efficiently in a digital signal processor by determining a ratio r with a magnitude less than one, equal... | 08/10/1999 |
| 5930695 | Radio receiver with amplitude limiter prior to mixer and band limiting filter A radio receiver is disclosed. An arbitrary receive signal received through an antenna is amplified by an input amplifier. The signal amplified by the input amplifier is converted into a predetermined frequency by a mixer. The signal frequency-converted b... | 07/27/1999 |
| 5926750 | Receiver In accordance with the present invention, a receiver of the type receiving both a signal subjected to FM (Frequency Modulation) and a signal subjected to orthogonal modulation is capable dealing with the two different kinds of signal by use of a single de... | 07/20/1999 |
| 5903818 | Radio paging system for improving message receive ratio by reducing intermodulation noise A pager includes a radio frequency (RF) attenuator which is initially rendered inoperative and which initiates attenuation of an incoming RF signal in response to a control signal. An amplifier is coupled to amplify the output of the attenuator. A signal ... | 05/11/1999 |
| 5875390 | Programmable intermediate frequency RSSI system including an adjustable rectifying stage An IF receiver system includes an IF signal path formed by an IF amplifier section, a bandpass filter, and a limiter section. An RSSI (Receive Signal Strength Indicator) circuit is coupled to the IF amplifier section and the limiter section and generates ... | 02/23/1999 |
| 5809085 | Apparatus and method for detecting and discriminating various signal types in the presence of impulse distortions An apparatus and method are provided for a data communications device, such as a modem (100, 101) or facsimile machine, to detect and discriminate various amplitude modulated signals, such as an ANS signal of the ITU V.25 protocol and an ANSam signal of t... | 09/15/1998 |
| 5805979 | Control apparatus and control method for attenuating radio signal A radio apparatus judges whether the electric field intensity of a radio signal detected by a level detector is high by a comparator. The radio apparatus detects a synchronizing signal for making synchronization with the radio apparatus from the radio sig... | 09/08/1998 |
| 5794136 | Noise blanker and a radio receiver and method employing same A noise blanker (400) suitable for use with a radio receiver (500) having a track and hold unit (509) includes an impulse noise detector (401), a low pass filter (404) that is coupled to the impulse noise detector, and a first amplitude threshold detector... | 08/11/1998 |
| 5778310 | Co-channel interference reduction Co-channel interference of a frequency modulated signal represented by complex signal samples is reduced by amplitude limiting each sample and non-linearly filtering the limited samples. The non-linear filter low pass filters the limited samples, multipli... | 07/07/1998 |
| 5742900 | Voltage-variable biased inverting limiter for RFI suppression overview An enhanced nonlinear processor for RFI suppression uses a biased inverting limiter circuit. There are two parallel paths in the device; the first one is used to estimate the intensity of the RFI signal, the second one is used to process the signal. The f... | 04/21/1998 |
| 5740207 | Complex signal limiting Each complex signal sample a(k)+jb(k) of a frequency modulated signal is limited in order to reduce co-channel interference. The limiting is performed efficiently in a digital signal processor by determining a ratio r with a magnitude less than one, equal... | 04/14/1998 |
| 5734975 | Direct-coupled signaling receiver with PL/DPL detector A detector circuit (100) for detecting signaling information transmitted with a radio frequency (RF) signal for interpretation by a radio receiver includes a first low pass filter (105) for filtering demodulated audio signals that are directly coupled the... | 03/31/1998 |
| 5703910 | Digital radio receiver The present receiver includes a radiofrequency part (RF) coupled to a limiting amplifier (SL) which is in turn coupled to a demodulation means (DM) which recovers a digital signal from a received signal obtained by modulating a carrier signal with this di... | 12/30/1997 |
| 5678218 | Circuit for removing random FM noise A circuit which limits to a fixed value the amplitude of a pilot signal received along with a modulated signal, mixes the amplitude-limited pilot signal with the modulated signal, and uses the random FM noise contained in the pilot signal to cancel the ra... | 10/14/1997 |
| 5606735 | Slope equalizer using baseband detection A device and method for correcting an amplitude slope in the frequency domain of an input signal. An amplitude slope is detected in parallel feedback loops that connect the combined output of two parallel out-of-band notch filters through a slope detectio... | 02/25/1997 |
| 5596299 | IF amplifier/limiter with positive feedback An IF limiting amplifier uses localized positive feedback in each amplifier stage to provide additional small signal gain while maintaining the limiting gain. The extra small signal gain results in higher overall sensitivity for the receiver at less bias ... | 01/21/1997 |
| 5564095 | RFI suppression by cascading nonlinear devices An enhanced nonlinear signal processor for RFI suppression using either biased null zone amplifier or a biased inverting limiter. Two or more nonlinear interference processors are connected in cascade. As a result, a deliberate tracking error, selected to... | 10/08/1996 |
| 5519890 | Method of selectively reducing spectral components in a wideband radio frequency signal A method of selectively reducing a magnitude of spectral components of a wideband analog radio frequency (RF) signal at an input to an analog-to-digital (A/D) converter is provided. The method includes the steps of digitizing the input to the A/D converte... | 05/21/1996 |
| 5507022 | Electric field level detecting apparatus An electric field level detecting apparatus includes an intermediate-frequency signal generator, an intermediate-frequency amplifier, an analog voltage generator, an analog/digital converter, N converting tables, and a control circuit. The variable attenu... | 04/09/1996 |
| 5451852 | Control system having signal tracking window filters A control system having a source of control signals and a multi-window electrical signal tracking filter. The signal tracking filter includes an operational amplifier operating in the non-inverting mode as a high impedance load, with a plurality of input ... | 09/19/1995 |
