Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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 |
| 5909653 | Portable radio device In a portable radio device having a speaker, key buttons, and microphone arranged on the front surface of the case, an antenna support mechanism supports an extended rod-shaped antenna on the top surface of the case. The antenna support mechanism allows r... | 06/01/1999 |
| 5898906 | System and method for implementing a cellular radio transmitter device A system and method for implementing a cellular radio transmitter device comprises a first oscillator device for generating a first oscillator output signal, a second oscillator device for generating a second oscillator output signal, a power amplifier fo... | 04/27/1999 |
| 5896565 | Remote conference calling for wireless systems A method and means by which a called telecommunications device (14), connected on an established PSTN telecommunications link (18) with a wireless caller telecommunications device (12), can initiate a conference call to be set up from the wireless caller ... | 04/20/1999 |
| 5890060 | Micro-wave mixing circuit and down-flow converter using the same A micro-wave mixing circuit produces producing a stable frequency conversion characteristic against a dispersion of output voltage of a local oscillation signal tapped off from a local oscillator. A micro-wave signal fed into a micro-wave signal input can... | 03/30/1999 |
| 5826170 | Satellite communication power management system Disclosed is a method for operating a communications signal transmitter and apparatus for carrying out the method. The method includes the steps of receiving a communications signal; sensing an amount of user demand; adjusting an output of a power supply ... | 10/20/1998 |
| 5812938 | Reverse link, closed loop power control in a code division multiple access system The process of the present invention enables a mobile radiotelephone to operate at a 100% duty cycle while providing closed loop power control. The base station measures the signal to noise ratio of the signal from the mobile and compares that SNR with th... | 09/22/1998 |
| 5812932 | Mobile satellite user information request system and methods Disclosed are methods and apparatus for use in a satellite communications system (10) that enable a user to gain knowledge of a direction to one or more "best" satellites available to the user. This information enables the user to alter his or her positio... | 09/22/1998 |
| 5809407 | Receiver, an arrangement and a method for comparing two signals A receiver, an arrangement and a method for comparing two signals, based on testing whether a first signal exhibits at least one property during a first time interval, and consecutively testing if a second signal exhibits at least one similar property dur... | 09/15/1998 |
| 5809416 | Device for seeking connection of a terminal to a network of a mobile radio system comprising a plurality of networks A connection seeking device in a terminal of a mobile radio system seeks connection of the terminal to one network of a system which includes a plurality of networks. The system extends over a plurality of geographical entities each having at least one ne... | 09/15/1998 |
| 5806006 | Method of controlling power output by a primary power source so as to conserve power in an electronic communication device A system for reducing power consumption by a portable electronic communication device. Modem circuit for receiving messages and for transmitting messages from a portable electronic communication device are powered via power source control/switch coupled t... | 09/08/1998 |
| 5802468 | System and method for identifying calling areas within a communication system A system and method for providing different levels of mobile communication service for a mobile station within a communication system service area. A plurality of base transceiver stations (BTSs) are coupled to a common database. Each BTS has a cellular s... | 09/01/1998 |
| 5802455 | Selective call receiver using typeface-based source identification A selective calling receiver previously stores a predetermined number of calling numbers and selectively receives a message according to one of the calling numbers. The received message and its corresponding calling number are sequentially stored onto a m... | 09/01/1998 |
| 5794127 | Headphone remote control for operating an entertainment center A new Headphone Remote Control for Operating an Entertainment Center for offering a headphone with a fully equipped remote control for privately operating and controlling an entertainment center. The inventive device includes an antenna receiver, a channe... | 08/11/1998 |
| 5794122 | Radio selective call receiver with sentence memory A radio selective call receiver allowing the user to assign a fixed sentence to arbitrary information or to add and use the arbitrarily set fixed sentence thereafter. The radio selective call receiver receives and demodulates fixed sentence data modulated... | 08/11/1998 |
| 5794123 | Fade recovery in digital message transmission systems A method of fade recovery in a digital message transmission system in which data is encoded into code words, formatted into frames of a batch and transmitted in accordance with one or more transmission formats, and a synchronization code word, indicative ... | 08/11/1998 |
| 5790959 | Programmable band select and transfer module for local multipoint distribution service basestation Transmit and receive programmable band select/transfer modules provide low cost means for selecting and translating spectral segments within sectors of a LMDS basestation. The modules are programmable to select spectral segments and translate the frequenc... | 08/04/1998 |
| 5787336 | Satellite communication power management system Disclosed is a method for operating a communications signal transmitter and apparatus for carrying out the method. The method includes the steps of receiving a communications signal; sensing a signal strength of the received communications signal, the sig... | 07/28/1998 |
| 5781853 | Recreational storage and audio apparatus A recreational storage and audio apparatus 10 is provided with a chest 12 having an open area 24 formed therein and a lid 36 for covering the open area. A pair of wheels 54 is coupled to a bottom wall 22 of the chest 12. A first handle 62 is pivotably cou... | 07/14/1998 |
| 5778307 | Amplifier with adaptive output allocation and method thereof An amplifier with adaptive output capacity allocation (201) including a processor (203), coupled to a signal, for examining the signal to determine a first capacity requirement and a second capacity requirement, and an amplifier (213), coupled to the proc... | 07/07/1998 |
| 5774786 | Method of maintaining calls subsequent to a site controller failure The present invention provides a method of maintaining calls subsequent to a site controller failure. A site controller broadcasts call information to a plurality of standby repeaters. The standby repeaters receive the call information, build a call table... | 06/30/1998 |
| 5774793 | System and method for interfacing diversely controlled devices to a bus connector having a common signal format A system for connecting a plurality of cellular telephones, each responsive to device-specific command signals for its operation, to an automotive electronics and communications system through a bus connector having a known universal signal format, includ... | 06/30/1998 |
| 5771442 | Dual mode transmitter In a dual mode transmitter for modulating, in a digital mode, an input digital signal and transmitting a modulated digital signal and modulating, in an analog mode, an input analog signal and transmitting a modulated analog signal, a digital modulating se... | 06/23/1998 |
| 5768690 | Radio communication device with improved antenna duplexing apparatus A radio communication device that performs time-sharing communication by switching between reception and transmission, comprises a circulator for guiding transmission signals to the antenna and reception signals from the antenna to the reception circuit. ... | 06/16/1998 |
| 5768684 | Method and apparatus for bi-directional power control in a digital communication system In a method and apparatus for maintaining a minimum transmission power level between two communication stations, each station measures the other's received signal quality, and returns an indication of signal quality as part of a regular maintenance burst.... | 06/16/1998 |
| 5768699 | Amplifier with detuned test signal cancellation for improved wide-band frequency response A feed forward amplifier circuit which includes a main amplifier, an error correction circuit producing a message error signal, an error amplifier for producing an amplified message error signal that is then subtracted from the amplified and distorted mes... | 06/16/1998 |
| 5761615 | Wide band zero if quadrature demodulator using a intermediate frequency and a single local oscillator A low power zero-IF selective call receiver has a local oscillator (106) that generates an injection signal for a first mixer (104) and a pair of quadrature phase related injection signals (122, 124) for a pair of second mixers (112, 114). The first mixer... | 06/02/1998 |
| 5758265 | Transmitting and receiving apparatus for incorporation into an integrated circuit A transmitting and receiving apparatus configured in superheterodyne form, includes a receiving circuit for receiving a signal on one channel of a predetermined pair of channels and a transmitting circuit for transmitting a signal on the other channel of ... | 05/26/1998 |
| 5754943 | Cable loss equalization system used in wireless communication equipment In a wireless communication apparatus arranged by an indoor unit, an outdoor unit, and a cable used to connect the indoor unit with the outdoor unit, a gain of an amplifier is automatically set. This amplifier amplifies a lowered level of a signal caused ... | 05/19/1998 |
| 5754951 | Microwave mixing circuit and a down converter comprising it A microwave mixing circuit of a small size for selecting a signal to be received out of plural microwave signal inputs, and converting it to an intermediate frequency signal, and a down converter comprising it are provided. A microwave input signal within... | 05/19/1998 |
| 5752167 | Radio propagation simulation method, wave field strength inference method and three-dimensional delay spread inference method Radio waves having frequencies f1 and f2 are radiated to the premises where a wireless LAN is to be constructed. The radio waves of f1 and f2 are received by an antenna for scanning the observation plane and a f... | 05/12/1998 |
| 5752203 | Portable radio apparatus having cable-incorporated hand strap A portable radio apparatus including a main body, a cable-incorporated hand strap, and an informer. The informer is electrically and/or optically connected to the main body through the cable incorporated in the hand strap. The informer may comprise a soun... | 05/12/1998 |
| 5745844 | Receiver control in a communication device by antenna de-tuning in strong signal conditions, and method therefor A communication device (100) including an antenna (110) for receiving a signal. A receiver circuit (12) is coupled to the antenna (110) and demodulates the signal which is received by the antenna (110). A signal strength measuring circuit (126) is coupled... | 04/28/1998 |
| 5742908 | Frequency error correction in a satellite-mobile communications system Mobile stations correct their frequencies using a signal received from the moving relay station including correction of any Doppler shift caused by the satellite's movement. The mobile station includes a receiver for receiving a paging channel signal broa... | 04/21/1998 |
| 5740519 | Method for the time-correlated transmission of a control signal and a radio program signal The invention involves a method of transmitting a control signal that is synchronized in time with a radio program signal. The control signal may be used, for example, in a receiver to restore dynamic range reduction that occurred at the transmitter. The ... | 04/14/1998 |
| 5740518 | FM character data multiplex broadcasting signal receiving apparatus An FM broadcasting signal carrying multiplex character data transmitted from a radio broadcasting station is automatically preset in an FM receiving apparatus. An FM broadcasting signal is received, and a frequency information of the received FM broadcast... | 04/14/1998 |
| 5740523 | Radio receiver A radio receiver in which, even with large variability in the components, the receiving conditions can be set according to the antenna input level in a uniform way. A high frequency cutoff circuit 30 reduces high frequency components in a composite signal... | 04/14/1998 |
| 5740526 | Method and apparatus for selecting two antennas from which to receive a communication signal A base site (100) employs a method and apparatus for selecting two of a plurality of antennas (101-106) from which to receive a communication signal. A first signal quality metric is measured for a communication signal received from a first antenna (102) ... | 04/14/1998 |
| 5737686 | Circuit control apparatus for satellite communication system A satellite communication system has a plurality of transmitting stations, a plurality of receiving stations, and a system control station in a 1 to N system configuration to which the demand-assignment principles are applied for effective utilization of ... | 04/07/1998 |
| 5737695 | Method and apparatus for controlling the use of discontinuous transmission in a cellular telephone A method and apparatus for controlling the use of discontinuous transmission in a cellular telephone. The preferred embodiment of the present invention includes a voice activity detector for detecting the presence or absence of speech and an energy detect... | 04/07/1998 |
| 5737702 | Cellular radio communications system A cellular communications system serves fixed access subscriber terminals each located in a system cell defined as the home cell for that terminal. Each subscriber terminal is allocated a super home cell comprising the home cell itself together with a num... | 04/07/1998 |
