Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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.
| Number | Title | Issue Date |
| 7890074 | Data acquisition system In a data acquisition system of ADC system, a log amplifier is provided at the pre-stage of an A/D converter, a signal amplified by the log amplifier having a nonlinear input-output characteristic is A/D-converted, and an adding operation of data is performed while ... | 02/15/2011 |
| 7430412 | Digitally programmable continuously variable precision microwave attenuator An apparatus (10) is disclosed for testing a receiver (18). The apparatus (10) includes a digitally controlled attenuator (30) and controls, including a programmable logic device (38), to control both the final value of attenuation... | 09/30/2008 |
| 7418249 | Radio apparatus A demodulator demodulates a received signal. A decoder performs inverse-spread spectrum processing on a demodulated signal. The decoder calculates a CIR value and outputs it to a CPU and a predictor. The predictor derives a next CIR value of the next reception time ... | 08/26/2008 |
| 7406302 | Digital FM stereo receiver architecture Systems and techniques for digital processing of FM stereo signals are described. A carrier signal such as a 38 kHz carrier may be recovered and used to process a difference signal such as a left minus right signal. The left minus right signal and a left plus right ... | 07/29/2008 |
| 7400872 | Radio receiver for selecting appropriate diversity antennas by comparing correlation values and a method for the same In the diversity receiver, the RF switcher switches the received signals to supply them to the RSSI power detector equipped with diversity function. Subsequently, the RSSI power detector with diversity function feeds the RF switcher with an antenna switching signal.... | 07/15/2008 |
| 7395548 | System and method for signal validation and leakage detection A system and method of validating signals and detecting signal leakage in a cable communications includes the steps of a) tuning a radio frequency receiver to a carrier frequency of a selected RF channel, b) measuring a signal level of the carrier frequency, c) off-... | 07/01/2008 |
| 7376118 | System and method for optimizing contiguous channel operation with cellular reuse A method for communicating with automatic meter reading (AMR) endpoints in adjacent cells, when the endpoints are arranged in a cell pattern similar to a cellular telephone system, is disclosed that substantially reduces the likelihood of signal interference. A Fram... | 05/20/2008 |
| 7362741 | Method and apparatus for wireless communication network operating in compressed mode There is provided a method for use by a user equipment of a Universal Mobile Telecommunication System (UMTS) that supports HSDPA, and a network node in communication with such a user equipment. In an embodiment the method includes, identifying a transmission gap in ... | 04/22/2008 |
| 7359707 | Wireless communications handoff method and system employing such A method for reducing a delay in a wireless communications system resulting from a handoff while mitigating a risk of premature termination of wireless communications, the method includes comparing data indicative of actual use of the wireless communications systems... | 04/15/2008 |
| 7283799 | Cancellation system for frequency reuse in microwave communications Substantial improvements in frequency reuse in microwave communications systems is achieved by canceling co-channel interference and transmitter leakage. Interferometric beam-narrowing reduces beamwidth without reducing peak magnitude of the beam pattern. Frequency-... | 10/16/2007 |
| 7274924 | Emergency report terminal device and system A structure of a wireless communication device for calling an emergency report center via a cellular phone network is simplified. Further, provision is made so that voice communication can be established with the emergency report center from anywhere. To provide suc... | 09/25/2007 |
| 7269144 | Radio transceiver on a chip An entire radio transceiver can be completely integrated into one IC chip. In order to integrate the IF filters on the chip, a heterodyne architecture with a low IF is used. A single, directly modulated VCO is used for both up-conversion during transmission, and dow... | 09/11/2007 |
| 7257497 | Sequential frequency band acquisition apparatus for test and measurement instruments An acquisition apparatus for a test and measurement instrument includes an input to receive an input signal, a digitizer to digitize a selected signal, a bypass path to selectively couple the input to the digitizer, a frequency shift path to frequency shift the inpu... | 08/14/2007 |
| 7257375 | Receiver with dual D.C. noise cancellation circuits A receiver for eliminating D.C. noise from a signal received from a communication channel includes an input circuit configured to receive an input signal. The receiver includes an error circuit configured to generate an error signal in accordance with the input sign... | 08/14/2007 |
| 7254755 | On-chip receiver sensitivity test mechanism An on-chip receiver sensitivity test mechanism for use in an integrated RF transmitter wherein the transmitter and the receiver share the same oscillator. The mechanism obviates the need to use expensive RF signal generator test equipment with built-in modulation ca... | 08/07/2007 |
| 7231186 | Mobile station executing alarm processing of a degraded communication quality A mobile station includes a degradation detecting section for detecting a degraded communication quality, an electric field measurement section for measuring an intensity of an electric field, and a display unit for representing a field level among a plurality of fi... | 06/12/2007 |
| 7227387 | Measuring pulse edge delay value relative to a clock using multiple delay devices to address a memory to access the delay value A pulse width measurement system is provided with components in an FPGA so that pulse widths can be measured that are smaller than the frequency limits of the FPGA system clock. For the measurement, an incoming pulse is fed into the FPGA to many (e.g. 32) I/O inputs... | 06/05/2007 |
| 7224940 | Frequency modulating device of an integrated circuit and a method of measuring modulated frequency A frequency modulating device includes a frequency generator for generating a frequency-modulated, first carrier and an input terminal to which a non-modulated second carrier is input. An amplifier amplifies the second carrier. A frequency converter receives the fir... | 05/29/2007 |
| 7218904 | Removing close-in interferers through a feedback loop System and method for elimination of close-in interferers through feedback. A preferred embodiment comprises an interferer predictor (for example, interferer predictor 840) coupled to a digital output of a direct RF radio receiver (for example, radio receiver... | 05/15/2007 |
| 7215951 | Test system for mobile communication terminal in which state of progress of connection-transition test can be visually recognized A test procedure control unit outputs control information including time setting information along a procedure for carrying out a transition test of a connection state of a mobile communication terminal (UE) of a cellular system. A transmitting/receiving unit transm... | 05/08/2007 |
| 7212790 | Communication apparatus in radio network, transmission control method, threshold value control method, and radio network system The carrier detector 5 notifies the threshold value controller 6 of the received power value of a received signal and then controls various portions so as to defer transmission of the transmission signal when receiving a signal having a received power ... | 05/01/2007 |
| 7209187 | System for selectively extinguishing a light source that illuminates a television power button A system for selectively illuminates a light source that illuminates a power indicator of a video apparatus when the indicator distracts a viewer. The power button illumination is selectively set to be extinguished or illuminated when the video apparatus is powered ... | 04/24/2007 |
| 7209521 | Generation of a sequence of pulse trains A pulse sequence is produced by repeatedly selecting individual pulse trains at random from a set thereof, each pulse train meeting predetermined autocorrelation constraints and the pulse trains collectively meeting predetermined cross-correlation constraints. The p... | 04/24/2007 |
| 7187914 | Rectifiers and rectifying methods for use in telecommunications devices A signal strength indicator circuit including a set of rectifiers. The set of rectifiers include an asymmetric switching pair of rectifiers that may be configured to provide an output signal that is inversely proportional to an input signal obtained from a device in... | 03/06/2007 |
| 7181169 | Controlling apparatus and method of mobile communication terminal using electrostatic detection A controlling apparatus of a mobile communication terminal using electrostatic detection includes an electrostatic detector for sensing an instantaneous voltage generated at higher than a reference level and applying it to a controller in order to recognize occurren... | 02/20/2007 |
| 7181663 | Wireless no-touch testing of integrated circuits A wireless integrated circuit test method and system is presented. The invention allows testing of one or more integrated circuits configured with a wireless interface and a test access mechanism which controls input of test data received over a wireless connection ... | 02/20/2007 |
| 7177621 | Wireless communication medium and method for operating the same A wireless communication medium includes an antenna, an analog signal processor, a digital signal processor, and a central processing unit & logic module. The antenna transmits and receives a signal to and from an external apparatus. The analog signal processor conv... | 02/13/2007 |
| 7177593 | Estimating communication quality A method for estimating quality of communications between a transmitter and a receiver over a communications link operable to carry data in at least one of a plurality of different compressed forms, the method comprising: detecting an error rate of the communication... | 02/13/2007 |
| 7171180 | AM receiver circuit performing sound quality compensation of AM detection output signal An AM receiver circuit comprises an IF intensity detection section which detects intensity of a carrier wave of an IF signal and outputs an IF signal carrier wave intensity signal in accordance with the detected intensity. The IF intensity detection section extracts... | 01/30/2007 |
| 7158096 | Compact, head-mountable display device with suspended eyepiece assembly A compact, lightweight, head-mountable display device is provided for transmitting an image to a user's eye. The device includes a projection system including a display attached at one end to a head-mountable support fixture. An eyepiece assembly is attached to a se... | 01/02/2007 |
| 7149544 | Detachable radio module A radio module that detachably connects with a host device. A radio module is provided that includes an antenna as an integral part of the radio module. The antenna satisfies regulatory requirements by being an integral part of the radio module. The radio module inc... | 12/12/2006 |
| 7139563 | Portable telephone set with interference detecting and warning function displayed with indication of type of radio interference fault A portable telephone radio unit is disclosed which allows a user to recognize an incomplete state of data communication which occurs with a terminal equipment because of deterioration of the communication state by radio wave interference upon channel changing over i... | 11/21/2006 |
| 7133666 | Radio communication system and reception status display method In a radio communication system, during radio connection between a base station 100 and a terminal 200, the base station 100 transmits a reception status notification request to the terminal 200. The terminal 200 receives the recep... | 11/07/2006 |
| 7133655 | Amplifiers and amplifying methods for use in telecommunications devices A signal strength indicator circuit that includes a first amplifier configured to receive a first input signal from a first mixer and a second input signal from a second mixer;. The circuit also includes a second amplifier configured to receive a first set of differ... | 11/07/2006 |
| 7127214 | User perception of wireless improvement technology A method for indicating performance enhancements in a wireless transmit/receive unit (WTRU) to a user in a wireless communication system begins with operating a radio link to the WTRU with a performance enhancement active. The operating results with the performance ... | 10/24/2006 |
| 7124313 | Data processing device and method of controlling power consumption in back-light in data processing device A data processing device includes (a) a display unit, (b) a light-emitting unit which illuminates the display unit, (c) a communication unit which makes radio communication with other data processing devices, (d) a detector which detects whether the communication un... | 10/17/2006 |
| 7123648 | Radio relay apparatus A radio relay apparatus including an outdoor relay unit formed of first and second receiving parts equipped out of doors and an indoor relay unit formed of third and fourth receiving parts, and a digital transmission line connecting the outdoor and indoor relay unit... | 10/17/2006 |
| 7117019 | Display and keypad backlight management for portable electronic devices This invention is a portable electronic device (100) including a display (212), an input device (210), a lighting circuit (204), a light sensor (206) and a control circuit (208). The lighting circuit (204) includes a ... | 10/03/2006 |
| 7114120 | Data processing apparatus and data processing method A data processing apparatus includes a decision section that determines a predetermined plurality of channels of original data and a predetermined channel of correction data based on data of received signals; an exclusive OR circuit that calculates an exclusive OR u... | 09/26/2006 |
| 7102511 | Radio wave detection device A radio wave detection device including an electric wave receiving/amplifying circuit, a rectifying circuit, a peak-to-peak amplifier, a central processor, a power supply, a reference resistance circuit and a sound/light output unit. The electric wave receiving/ampl... | 09/05/2006 |
