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Patent No. 5356330

Apparatus for Simulating a High Five

A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."

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Class 375/304 - Antenna tuning with frequency shift


Subclass of Class 375 - Pulse or digital communications
Definition: Subject matter where the transmitter is connected to an
No. of patents: 31
Last issue date: 02/23/2010


NumberTitleIssue Date
7668258Systems and methods for transmitter diversity expansion
Methods and systems for transmitter diversity expansion are provided. The methods and systems include steps and modules for applying a number of data streams (K) to a larger number of antennas (N). This is performed by applying each of the data streams to a single b...
02/23/2010
7469021Method and system for code reuse and capacity enhancement using null steering
The number of users and data capacity of wireless systems are increased by employing apparatus and method for increasing the number of spreading codes available in the system by providing a mechanism to reuse the already allocated spreading code or use the codes tha...
12/23/2008
7421039Method and system employing antenna arrays
In the method and system, a transmitter demultiplexes an input data stream into M substreams, where each of the M substreams have a data rate lower than a data rate of the input data stream. The substreams are transmitted as signals from a transmit array of M antenn...
09/02/2008
7379714Method and apparatus for dynamically adjusting a transmitter's impedance
A method and apparatus for dynamically adjusting the impedance between a transmitter's power amplifier (PA) and antenna to efficiently transfer power from the PA to the antenna. The impedance between the PA and the antenna is adjusted based on power level measuremen...
05/27/2008
7308240Numerical control oscillator, digital frequency converter and radio frequency unit
A numerical control oscillator (NCO) for reducing a circuit size and power consumption while maintaining a desired frequency deviation, and suppressing generation of a spurious as much as possible. The NCO comprises a phase accumulator for accumulating input phase d...
12/11/2007
7269353Branching unit for an optical transmission system
A branching unit for an optical transmission system, an optical transmission system and a method of operation of said branching unit (30) is disclosed having a first branch (38) and a second branch (40), each connected to a main branch (42
09/11/2007
7260424Dynamically configured antenna for multiple frequencies and bandwidths
A wireless communication device includes a reconfigurable antenna and one or more wireless transceivers coupled to the antenna. The reconfigurable antenna can be dynamically configured to transmit and receive wireless signals at a plurality of frequencies and bandwi...
08/21/2007
7218684Method and system for code reuse and capacity enhancement using null steering
The number of users and data capacity of wireless systems are increased by employing apparatus and method for increasing the number of spreading codes available in the system by providing a mechanism to reuse the already allocated spreading code or use the codes tha...
05/15/2007
7107026Automatic matching and tuning unit
An automatic matching and tuning unit (AMTU), which connects the output from a low or medium frequency, high power radio transmitter, which requires a 50 ohm terminating impedance, to an antenna with an input impedance comprising low resistance in series with a high...
09/12/2006
7092685Method for tuning a radio filter and a system for tuning a radio filter
The present invention relates to a method and a system for tuning a radio filter. The radio filter comprises at least one resonator module, each of said at least one resonator module having a tuning mechanism, a filter input connection, a filter output connection. H...
08/15/2006
7079869Communication system transmitter or receiver module having integrated radio frequency circuitry directly coupled to antenna element
A radio frequency (RF) module for use in a communication device of a communication system includes integrated RF circuitry comprising at least one of a transmitter and a receiver, and an antenna element having at least one portion thereof arranged substantially adja...
07/18/2006
7064705Method of and apparatus for increasing the peak output pulse power delivered by capacitor-driven high-power diode and square-loop saturable reactor pulse compression generators with the aid of minority carrier sweep-out circuits within the pulse compression circuit
A technique and apparatus for increasing the peak output pulse power of a capacitor driven high-power diode and square-loop saturable reactor pulse compression generator or transmitter (such as a Loran-C transmitter or other high power pulse generator) with the aid ...
06/20/2006
7023293Method for tuning a radio filter, a radio filter and a system comprising such a radio filter
The present invention relates to a method for tuning a radio filter. The filter comprises an input connection, an output connection and at least two resonator modules coupled in cascade, each having a tuning mechanism and a probe. A first resonator module is connect...
04/04/2006
6590945Method and apparatus for frequency offset compensation
A simplified method for frequency offset estimation in a TDMA cellular PCS environment using π/4-shifted DQPSK comprises the steps of multiplying a complex conjugate of a received complex-valued symbol and a succeeding symbol to produce a comparison vect...
07/08/2003
6441804Transmitter and receiver for use in a wireless cursor control system
A wireless cursor control system is provided that includes a pointing device and a receiver. The pointing device has a controller for receiving user input and for providing a control signal, and a transmitter that includes an antenna and a high frequency ...
08/27/2002
6434135Adaptive RF amplifier prelimiter
The invention reduces transient peaks in signals transmitted in CDMA communication systems. A plurality of spread spectrum data signals are combined into a combined signal having fluctuating power level corresponding to the combination of the data signals...
08/13/2002
6317009Frequency shift key modulating oscillator
The present invention teaches a system for selectably oscillating at a first or a second oscillating frequency. The system comprises an oscillator for providing an oscillating output. Moreover, the system comprises a switching device for selecting a first...
11/13/2001
6275539System and method for modulating a frequency signal
A radio frequency transmitter circuit including a user input switch for producing an input signal, an oscillator for producing a frequency signal having a first frequency, an antenna connected to the oscillator for broadcasting the frequency signal, a cou...
08/14/2001
6246727Method and system for tuning resonance modules
A method and a system for tuning a resonance module in e.g. a radio base station are disclosed. The resonance module has tuning means, a transmitter connection, and an antenna connection. First frequency input and output signals on the transmitter and ant...
06/12/2001
6225873Frequency shift key modulating oscillator
The present invention teaches a system for selectably oscillating at a first or a second oscillating frequency. The system comprises an oscillator for providing an oscillating output. Moreover, the system comprises a switching device for selecting a first...
05/01/2001
6041083Method and system for tuning resonance modules
A method and a system for tuning a resonance module in a radio base station is disclosed. The resonance module has tuning means, a transmitter connection, and an antenna connection. High-frequency input and output signals on the transmitter and antenna co...
03/21/2000
5910968Continuous phase modulation digital communication system
A digital communication system having a transmitter and a receiver. The receiver transmits a radio-frequency (RF) signal that is continuous phase modulated by digital data. The receiver having a converter, a differential detector, and a sequential decoder...
06/08/1999
5644598Switching arrangement for coupling a transmitting unit to a transmission line
A switching arrangement is provided for coupling a transmitting unit to a transmission line. According to the present invention, a transformer is provided, whose secondary winding is a portion of the transmission line and whose primary winding is connecte...
07/01/1997
5491715Automatic antenna tuning method and circuit
A method of matching the resonant frequency of an antenna resonant circuit (18, 46) to the output frequency of a transmitter output stage (26), the method includes the step of providing a powering signal from the transmitter output stage (26) to the anten...
02/13/1996
5448769Method for tuning the medium frequency of an RF bandpass filter by determining and interpolating in relation to medium frequencies at and offsets from a nominal carrier frequency
A method for tuning an RF bandpass filter, especially a combiner filter (101, 102. . . 10n) belonging to a GSM system, in which an RF signal having a certain nominal carrier frequency (fc) is inputted into the R...
09/05/1995
5300904Circuit arrangement for the tank circuit of a high-frequency transmitter output stage operated with frequency shift keying
The invention concerns a circuit for the resonant cavity in a frequency-shift HF transmitter output stage, with a first capacitance (2), a first inductance (3) and a first switch (5) for feeding the HF signal to the resonant cavity. To switch the resonant...
04/05/1994
4689803Antenna tuning system and method
A dynamic antenna tuning system particularly adapted for VLF frequency-shift (as opposed to on-off) keyed transmitters, employing saturable magnetic switching amplifiers providing variable tuning inductance between the antenna and transmitter and controll...
08/25/1987
4555792Transmitter for transmitting an FSK-modulated signal
A transmitter for transmitting FSK-modulated signals by way of an inductive aerial. A large frequency deviation, such as with FFSK-modulated signals, and a high transmission rate may cause the occurrence of a non-constant envelope. Electronic equipment ar...
11/26/1985
4545059Antenna coupler system
There is disclosed an antenna and coupling system for use in frequency hopping communication systems. The system includes a dual antenna configuration wherein the antennas are coupled in parallel to a tunable broadband coupler which provides a VSWR which ...
10/01/1985
4059801Apparatus for degrading Q in a high-Q RF pulse transmitting system and the like
A high-Q, pulse transmitting antenna system is disclosed, as of the Loran type, wherein a simple solidstate circuit, employing mainly passive elements serves, during quiescent periods between transmissions, to introduce loss into the antenna circuit, ther...
11/22/1977
3939422Dynamic antenna tuner
Disclosed is a dynamic antenna tuning system which may be employed with a high powered transmitter and a very narrow band antenna. An input signal may be applied to the transmitter so as to frequency modulate the transmitter. A unique and compact tuner ci...
02/17/1976
 
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