Celebrity Inventors
Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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 |
| 7181297 | System and method for delivering customized audio data A method for providing customized audio data products that includes the steps of (1) storing a machine readable hearing profile for a customer, (2) accepting via a data input device or data network for example, machine readable orders from the customer for a particu... | 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 |
| 7158572 | Audio enhancement communication techniques A communication system (10) receives a communication signal comprising first and second data with different compression levels, such as highly compressed and weakly compressed levels. A mode detector (15) detects the level of compression. One or more s... | 01/02/2007 |
| 7146314 | Dynamic adjustment of noise separation in data handling, particularly voice activation Data handling dynamically responds to changing noise power conditions to separate valid data from noise. A reference power level acts as a threshold between dynamically assumed noise and valid data, and dynamically refers to the reference power level changing adapti... | 12/05/2006 |
| 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 |
| 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 |
| 7072385 | Load coil and DSL repeater including same Systems and methods are disclosed for improving DSL performance, including ADSL and VDSL performance, over a local loop between a telephone company central office and a customer premises. In particular, a DSL repeater is coupled to the local loop and amplifies downs... | 07/04/2006 |
| 7020273 | Communication terminal provided for a user selected distortion of an acoustic input The invention relates to a communication terminal provided which selectively distorts an acoustic signal inputted by the user to the communication terminal during a call to another user of a communication terminal. The invention enables a user of a first communicati... | 03/28/2006 |
| 6978007 | Communications systems The communications system has a transmission network for transmitting useful data and control data. Call numbers are input at a subscriber terminal. A subscriber line unit with an adjustable transmission characteristic is connected between the subscriber terminal an... | 12/20/2005 |
| 6816591 | Voice switching system and voice switching method There are provided a voice switching system and a voice switching method which are capable of carrying out highly accurate voice detection and performing a switching action properly even in the presence of an unstationary noise or under circumstances where the S/N r... | 11/09/2004 |
| 6792098 | Inter-network line level adjustment method and system An inter-network line level adjustment system includes a switch (SW1) and a processing unit (24) for identifying calls between a remote telephone network and a local telephone network. Echo cancellers (20) and/or speech coders (22) collec... | 09/14/2004 |
| 6728366 | Signal level adjustment arrangement For signal level adjustment of a multitone signal received over a transmission line (1) during a training sequence in a DSL system, a programmable high-pass filter (2) is connected to the transmission line (1). A programmable gain control unit (... | 04/27/2004 |
| 6724862 | Method and apparatus for customizing a device based on a frequency response for a hearing-impaired user A method and apparatus for customizing a device based on a frequency response for a hearing-impaired user are disclosed. The device receives an identifier associated with a hearing-impaired user and retrieves a frequency filter associated with the hearing-impaired u... | 04/20/2004 |
| 6535846 | Dynamic range compressor-limiter and low-level expander with look-ahead for maximizing and stabilizing voice level in telecommunication applications A voice signal processing system with multiple parallel control paths, each of which address different problems, such as the high peak-to-RMS signal ratios characteristic of speech, wide variations in RMS speech levels, and high background noise levels. D... | 03/18/2003 |
| 6507606 | Asymmetric digital subscriber line methods suitable for long subscriber loops Systems and methods are described for asymmetric digital subscriber loops. A method includes utilizing a circuit having a first end and a second end, the circuit having a first amplification interface connecting the first end to the second end in a first ... | 01/14/2003 |
| 6359527 | Determining waveshaper attenuation settings for network interface unit An improved, more intelligent network interface unit capable of processing signals received from a high speed transmission media and outputting the received signals without substantial amplification or reduction. The network interface unit comprises a reg... | 03/19/2002 |
| 6351529 | Method and system for automatic gain control with adaptive table lookup A method and system for automatic gain control is provided. The automatic gain control may be used, for example, with a microphone and voice codec of a speakerphone telephone. In an exemplary embodiment, an amplification gain lookup table stores the gain ... | 02/26/2002 |
| 6263074 | User programmable station set bass and treble control A user-programmable bass/treble control circuit is embedded within a conventional remotely located codec. A subscriber station set is capable of transmitting out-of-voiceband "control" tones to increase/decrease bass and treble. A tone detector within the... | 07/17/2001 |
| 6188763 | Signal processing unit for network interface unit An improved, more intelligent network interface unit capable of processing signals received from a high speed transmission media and outputting the received signals without substantial amplification or reduction. The network interface unit comprises a reg... | 02/13/2001 |
| 6128369 | Employing customer premises equipment in communications network maintenance The present invention customizes a network connection to customer premises equipment using a calibration signal. A network signal processor emits a tag signal indicating that a signal processing platform is in use. Customer premises equipment (CPE) issues... | 10/03/2000 |
| 6061431 | Method for hearing loss compensation in telephony systems based on telephone number resolution Different hearing impairment compensation parameters are stored in a searchable attribute database indexed by the telephone numbers of hearing impaired users. Calls made to or from the stored telephone numbers have incoming voice samples redirected to sig... | 05/09/2000 |
| 6014441 | Method and system for generation of tone signals over a transmission channel A user-authentication system includes an authorized user device (AUD) for transmission of dtmf tones to a user-verification system (UVS) over a telephone network, where user-verification is performed and authorized users are granted access to a desired se... | 01/11/2000 |
| 5974137 | AGC amplifier for two-wire line conditioner The present invention provides a two-wire line conditioning apparatus having an improved calibration and cancellation circuit and provides an improved calibration method using a multitone calibration signal. The output is monitored by an AGC circuit which... | 10/26/1999 |
| 5943413 | Method for selectively routing enhanced calls A telecommunications network (10) includes an Originating Switching System (121) and a Terminating Switching System (122) linked by a plurality of trunks (201 -204). For each incoming call it receives, the Origi... | 08/24/1999 |
| 5896449 | Voice enhancement system and method A system (130) for providing enhancement to a voice-band signal in a telecommunications network (138) is provided. The present system (130) includes a power averager (18) for determining the average power of the voice-band signal. The present system (130)... | 04/20/1999 |
| 5802164 | Systems and methods for controlling telephone sound enhancement on a per call basis In a communications system containing signal enhancement circuitry capable of selectively enhancing portions of a plurality of signals carried on a corresponding plurality of channels through the signal enhancement circuitry, a system and method for contr... | 09/01/1998 |
| 5737389 | Technique for determining a compression ratio for use in processing audio signals within a telecommunications system A "loudness balance" procedure is used to determine the amount of dynamic range for syllabic compression loss in an individual's cochlea. In particular, an individual is asked to adjust a set of tone volumes, which are played to them, until the tone volum... | 04/07/1998 |
| 5712954 | System and method for monitoring audio power level of agent speech in a telephonic switch A system 200 and method for monitoring audio power level of speech of an agent in an automatic call distributor 100 is provided. The system 200 comprises an agent audio power circuit for detecting the audio power level of the agent's speech. The audio pow... | 01/27/1998 |
| 5708703 | Wide range equalizer with line length detection An automatic line equalizer for use with a T1 or an E1 repeater in a telecommunications system is disclosed. The equalizer includes a first equalizing means for equalizing an input line having a line length falling within a first range and a second equali... | 01/13/1998 |
| 5592547 | Processing audio signals using a discrete state machine A level of transmit attenuation and a level of receive attenuation are generated using a discrete state machine of a controller. Local audio signals generated with a local microphone are attenuated with a transmit attenuator at the level of transmit atten... | 01/07/1997 |
| 5592545 | Voice enhancement system and method A telecommunications network (120) is provided with adaptive gain control (AGC) of the voice signals in network (120). Network (120)includes an input (12) for receiving a voice signal, an output (14) for receiving the voice signal, and a coupling between ... | 01/07/1997 |
| 5557670 | Channel interface unit A channel interface unit for interconnecting a two-wire transmission path which transmits analog signals and a digital signal transmission path. The channel interface unit includes a digital interface unit coupled with the digital signal transmission path... | 09/17/1996 |
| 5557669 | Channel interface unit A channel interface unit for interconnecting a two-wire transmission path which transmits analog signals and a digital signal transmission path. The channel interface unit includes a digital interface unit coupled with the digital signal transmission path... | 09/17/1996 |
| 5548638 | Audio teleconferencing apparatus An audio teleconferencing apparatus which permits two-way communications between more than two parties without the necessity of complete switching and does not allow a loss to increase in a communication channel of a particular speaker. The audio teleconf... | 08/20/1996 |
| 5539806 | Method for customer selection of telephone sound enhancement Methods and apparatus are disclosed for improving the clarity and intelligibility of incoming speech in a telephone connection. Improved sound quality is provided by automatically selecting, or enabling the selection of, an appropriate sound enhancement f... | 07/23/1996 |
| 5521919 | Method and apparatus for providing switch-based features A system and method to provide voice enhancement circuits on a voice path on an individual basis, without having in-line circuits inserted into the lines or trunks. The enhancement circuit is inserted within one or more of the switches. This system compri... | 05/28/1996 |
| 5506885 | Method of adapting processing parameters in a call processing system A method and apparatus for utilizing DTMF tones and supervisory tones in a call processing system to adjust parameters for future tones and/or speech. The tones initially received are analyzed to determine characteristics such as signal-to-noise ratio, tw... | 04/09/1996 |
| 5504811 | Enhanced line powered amplifier An enhanced amplifier for interconnecting a two-wire, bidirectional cable side transmission path and a two-wire bidirectional equipment side transmission path in a communication system includes a first splitter and a second splitter. The first splitter is... | 04/02/1996 |
| 5471527 | Voice enhancement system and method A telecommunications network (120) is provided with adaptive gain control (AGC) of the voice signals in network (120). Network (120) includes an input (12) for receiving a voice signal, an output (14) for receiving the voice signal, and a coupling between... | 11/28/1995 |
