Bizarre Patents
Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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 |
| 7885402 | Gain control Methods, systems, and devices are provided for controlling the power level of voice signal streams. A gain controller embodiment includes a measurement module, a gain factor setting module, and a gain adjustment module. The measurement module includes program instru... | 02/08/2011 |
| 7801296 | xDSL-line-interface-circuit at least one self oscillating loop circuit which oscillates with a switching frequency (fs), wherein the self oscillating loop circuit (18, 19, 20) comprises an output driver (19) which is switched with said switching frequency and a loop fi... | 09/21/2010 |
| 7729491 | Method and device for amplifying a reception signal A method and a device for amplifying a reception signal are provided, involving the adjustment of a gain by which the reception signal is amplified, in particular as a function of a signal level of the reception signal. For example, lowpass filtering with a variable... | 06/01/2010 |
| 7564963 | Multi-handset telephone system A multi-handset telephone system includes is a first-base that includes circuitry for communicating with an external telephone line, a ringer for signaling when an incoming call is received, and a cradle for holding a single handset, a first handset, and a handset c... | 07/21/2009 |
| 7409195 | Wireless modem A modem includes a base unit for transmitting a data signal, and a communication card which receives the data signal from the base unit over a wireless medium and which performs echo canceling on the data signal. The base unit is in communication with a telephone li... | 08/05/2008 |
| 7349548 | Electronic apparatus and control method thereof An electronic apparatus and method thereof include a plurality of sound input channels through which audio signals are input, a plurality of individual volume controllers to individually control output volume levels of the audio signals input through the sound input... | 03/25/2008 |
| 7326869 | Tactile feedback plunger switch A tactile feedback switching mechanism having a plurality of switching states. The tactile feedback switching mechanism includes a plunger switch having a plunger. When the plunger is displaced a given distance the switch changes state. A covering lies at least over... | 02/05/2008 |
| 7286663 | Asymmetric digital subscriber line system capable of automatically controlling receipt gain and method thereof A digital communication system includes a transmitter and a receiver and communicates on telephone line. Receipt gain of the digital communication system is controlled in accordance with the following. Initialization signals generated at the transmitter and transfer... | 10/23/2007 |
| 7283635 | Headset with memory A headset having a built-in memory to store parameter settings relating to headset performance characteristics such as headphone(s) and/or microphone performance characteristics. The performance characteristics can be measured during headset production and stored in... | 10/16/2007 |
| 7272224 | Echo cancellation A method, apparatus, system, and signal-bearing medium that in an embodiment determine a degree of correlation between a speaker output signal and a microphone input signal and modulate an adaptive gain of an acoustic echo canceller based on the degree of correlatio... | 09/18/2007 |
| 7266154 | Digital subscriber line induction neutralizing transformer network A digital subscriber line (DSL) induction-neutralizing transformer (INT) (28) for use in a DSL INT network (10) is provided. The DSL INT (28) includes a core (72) and a coil (74) that is electrically coupled to and wound around the... | 09/04/2007 |
| 7248690 | Voice signal clipping circuit and telephone set therewith A voice signal clipping circuit comprising, an amplifier which amplifies an input voice signal to a permissible level and a clipper which clips an amplitude component in excess of the permissible level from an output signal from the amplifier. ... | 07/24/2007 |
| 7245726 | Noise canceling microphone system and method for designing the same A microphone housing improves the broadband noise canceling performance of an active noise canceling microphone system while also ensuring improved speech transmission through the system. First and second microphone elements are selected each having a diameter “dâ... | 07/17/2007 |
| 7239694 | Integrated circuit configurations and methods for providing functions for public telephones Circuit configurations designed for use with public telephones to provide standard telephone functions with higher reliability, lower cost, and lower packaging densities, include first and second channel means for providing both transmit and receive multiplexing con... | 07/03/2007 |
| 7228902 | High data rate borehole telemetry system A system and method for communicating information between downhole equipment in a wellbore and surface equipment, comprising a first device disposed in a wellbore for receiving at least one first signal and transmitting at least one second signal. A surface device i... | 06/12/2007 |
| 7224794 | Transmitting message playback concurrent with speakerphone operation A digital telephone answering device having speakerphone capability allows a recorded message to be played back and heard by the far-end party as well as over the local speakerphone by the near-end party during speakerphone operation as if it were a normal receive s... | 05/29/2007 |
| 7206418 | Noise suppression for a wireless communication device Techniques to suppress noise from a signal comprised of speech plus noise. In accordance with aspects of the invention, two or more signal detectors (e.g., microphones) are used to detect respective signals having speech and noise components, with the magnitude of e... | 04/17/2007 |
| 7200238 | Acoustic signal level limiter An acoustic signal level limiter provides a telephone handset/headset user protection against loud audible signals generated within a communications system. The acoustic signal limiter comprises an acoustic signal level attenuation circuit and at least one acoustic ... | 04/03/2007 |
| 7181027 | Noise suppression in communications systems A communications system contains a network linking a number of communications devices participating in a communications session. During the communications session, the communications devices share information indicating when participants are speaking. Based on this ... | 02/20/2007 |
| 7177417 | Telephone handset with user-adjustable amplitude, default amplitude and automatic post-call amplitude reset The present invention is directed to a telecommunication device, usable with standard telecommunication equipment, that automatically resets one or more acoustic parameters to predetermined levels prior to the initiation of the next communication session. ... | 02/13/2007 |
| 7164319 | Power amplifier with multi mode gain circuit A power amplifier comprises an input terminal, an output terminal and a first amplification stage coupled with the input and output terminals. The first amplification stage having a node and a resistive structure coupled with the node. The resistive structure includ... | 01/16/2007 |
| 7162016 | Multimedia adapter for headset amplifier An adapter apparatus for coupling a headset and an audio device to a telephone headset amplifier includes a first interface for sending and receiving audio signals with the telephone headset amplifier, a second interface for sending and receiving audio signals with ... | 01/09/2007 |
| 7142894 | Mobile phone for voice adaptation in socially sensitive environment This invention describes a mobile phone with a means of measuring a background sound level of an environment. When a user either initiates or receives a phone call, sound levels before and during the call are compared. Once it is decided that the voice is too loud b... | 11/28/2006 |
| 7130752 | Measuring-instrument remote-calibration system and measuring-instrument remote-calibration method In a measuring-instrument remote-calibration system and measuring-instrument remote-calibration method, a measuring standard quantity is converted into a parameter adapted for communication, or based on measuring standard quantity, a parameter adapted for communicat... | 10/31/2006 |
| 7102429 | RF amplifier with enhanced efficiency A high efficiency amplifier arrangement consistent with certain embodiments of the invention has an amplifier (104) that receives an input signal and amplifies the input signal to produce an output signal that drives a load (108). A variable impedance ... | 09/05/2006 |
| 7103176 | Direct coupling of telephone volume control with remote microphone gain and noise cancellation The present invention creates a method, apparatus and system by which a telephone unit volume control provides instantaneous coupling to and controlling of a connected telephone unit's microphone gain and noise cancellation circuitry. With this invention, an increas... | 09/05/2006 |
| 7092514 | Audibility enhancement An apparatus for enhancing audibility of a far-end speech signal from a far-end user to a near-end user in a telephony system includes a near-end background noise signal level estimator (26) at the near-end user. A near-end speech signal level estimator (2... | 08/15/2006 |
| 7088723 | System and method for enhancing a voice channel in voice over internet protocol A method and system for enhancing a voice channel in voice over Internet protocol includes an integrated access device (IAD) that receives voice data from user devices, removes RTP/UDP header and IP header information, and generates an AAL2 CPS cell. A Registration,... | 08/08/2006 |
| 7085371 | Push-button signal receiving device and a gain control method A push-button signal receiving device and a gain control method whereby error in validity determination of a received signal that accompanies the insertion of an AGC circuit can be prevented. An input bush-button signal is amplified by amplifying circuit and separat... | 08/01/2006 |
| 7079645 | Speaker volume control for voice communication device A system and method for adjusting the volume level of a communications device in response to ambient noise. In one embodiment, ambient noise is sampled once and the volume of a speaker associated with the communications device is increased to, and maintained at, a l... | 07/18/2006 |
| 7076223 | Gain control device for packet signal receiver In a gain control device for packet signal receiver, a variable gain amplifier amplifies an input signal with a gain corresponding to a control voltage applied thereto, and a power detector detects output power of the variable gain amplifier. A packet detection circ... | 07/11/2006 |
| 7039202 | Microphone unit A microphone unit capable of suppressing the sensitivity reduction due to a parasitic capacitance that occurs depending on the structure of an electret capacitor, can be realized by the following manner. Specifically, an output signal (Vout) that is the inverted out... | 05/02/2006 |
| 7031454 | Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching system An adaptive interface method and apparatus for interfacing a telephony appliance such as an analog telephone, modem, fax modem, facsimile machine teleconferencing device, headset, VoIP telephone or non-compatible digital telephone to a digital, analog or hybrid tele... | 04/18/2006 |
| 7020263 | Method and apparatus for dynamically allocating bandwidth utilization in a packet telephony system A network monitoring agent is disclosed that monitors network conditions, such as traffic volume, and determines when to dynamically adjust the encoding scheme for one or more connections. The network monitoring agent can select an encoding standard based on, for ex... | 03/28/2006 |
| 7006624 | Loudspeaker volume range control The present invention relates to a loudspeaker volume control arrangement for a telephone having a loudspeaker and a microphone which controls the loudspeaker volume of the telephone based on the estimated distance between the microphone and the loudspeaker. ... | 02/28/2006 |
| 6993125 | Variable sidetone system for reducing amplitude induced distortion The variable sidetone system provides an enhanced method for inducing the subscriber maintain the amplitude of their voice at an appropriate level by exaggerating the amplitude characteristics of the sidetone returned to the subscriber. Rather than have the sidetone... | 01/31/2006 |
| 6978010 | Ambient noise cancellation for voice communication device A system and method for reducing or entirely canceling background or ambient noise from a voice transmission from a communications device. A communications device, such as a mobile telephone, is configured with an ambient noise compensation signal generator that is ... | 12/20/2005 |
| 6968049 | Transmission of charging signals on a data transmission path An apparatus for transmitting charging signals on a data transmission path having a line impedance includes a driver device for setting a line voltage level that corresponds to the line impedance. The driver device is configured to provide, in response to a driver i... | 11/22/2005 |
| 6965669 | Method for processing calls in a call center with automatic answering In a call center with automatic answering, the availability of an agent is verified in order to prevent open connections when the agent unexpectedly leaves his or her station and fails to give proper notice. Verification may be provided by sensing speech activity of... | 11/15/2005 |
| 6963763 | Methods and devices for controlling the connection of power supplies to circuitry within rechargeable devices The present invention provides a device for connecting a power supply to a rechargeable device, in which a detection unit is adapted to detect power levels of a battery to output a first signal when a low power level of the battery is detected, and a second signal w... | 11/08/2005 |
