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Matches 551 - 600 out of 1,841

Document Document Title
JP2009260598A
To provide a configuration for achieving efficient and highly accurate correction of data for correcting the temperature characteristics of a reference oscillation part in radio communication apparatus for generating the transmission/rec...  
JP4354347B2  
JP4345549B2  
JP4343273B2  
JP4319408B2  
JP2009188659A
To provide a voltage control apparatus 20 for controlling frequency of signal output from a voltage controlled crystal oscillator (VCXO) in higher accuracy.The voltage control apparatus 20 previously measures two kinds of control voltage...  
JP2009171000A
To provide a receiver using a resonator of a large temperature coefficient.The receiver 1 of this invention adjusts a frequency using a second frequency adjustment part 10 based on reception signals and a first frequency adjustment part ...  
JP2009164332A
To provide an atomic oscillator that forms no extremely low temperature part on an internal surface of a gas cell in which a quantum absorber is enclosed and can accelerate stable gasification of the quantum absorber.The atomic oscillato...  
JP4286304B2  
JP2009130670A
To provide a stable oscillation frequency by automatically setting frequency deviation to 0 ppm for each oscillator, and also to provide further a stable oscillation frequency by also taking temperature deviation into account.A system co...  
JP4267828B2  
JP4268205B2  
JP4270339B2  
JPWO2009063612A
An oscillator (5) which outputs an oscillation signal based on an output signal of a comparison machine (4), A counting-down circuit (6) which 分周 an output signal of an oscillator (5) based on control from a control part (7), Having ...  
JP2009111967A
To generate a clock signal having accurate frequency, even if a CR oscillation circuit is subjected to temperature change or aging change.An A/D conversion value indicating the temperature of a CR oscillator 12 and a multiplier setting v...  
JP4258897B2  
JP4257499B2  
JP4251070B2  
JP4240051B2  
JP2009038423A
To provide an oscillator that is adaptable to a high frequency receiving device even though a temperature coefficient is high.In the oscillator 1, unit fstep of frequency adjustment of a synthesizer section 4 by a control section 6 is ma...  
JP2009033674A
To provide a cubic temperature characteristic compensation voltage generation circuit that permits ease of control across a wide band when the cubic temperature characteristic compensation voltage is controlled such that the cubic compon...  
JP2008301410A
To suppress a phase change of an output signal with respect to the temperature change in an oscillation circuit.A phase compensation circuit 11 inputs a reference signal Sr, compensates the phase of the reference signal Sr and outputs it...  
JP2008289139A
To provide an IC for control of a temperature-compensated crystal oscillator that is capable of using terminals in common and reducing a possibility of malfunction occurrence.A temperature-compensated crystal oscillator includes a mode s...  
JP2008278506A
To afford a simple stabilization of the temperature behavior of an oscillator and to allow the low price manufacture of proximity switches, having a great switching distance, which function safely in a broad temperature range.In an oscil...  
JP2008271599A
To obtain a circuit configuration for compensation of leakage currents in a voltage-controlled oscillator of a PLL circuit.A control voltage applied to the oscillator by way of a loop filter (20)is generated by a phase detector (16) as a...  
JP2008228315A
To provide a preferable integrated ceramic inverted-F ferroelectric antenna.The inverted-F ferroelectric antenna includes a counterpoise 102, a ceramic block, an inverted-F structure radiator 104, a bias voltage feed 300 metal inlay, a g...  
JP2008219900A
To provide a narrowband resonant circuit for measuring the loss of the ferroelectric component.A tunable ferroelectric component (610 to 614) and a narrowband resonant circuit (610 to 620) for measuring the loss of the ferroelectric comp...  
JP2008211478A
To provide a mobile radio equipment which communicates in two modes of communicating through a base station and communicating directly with other mobile radio equipment not through the base station and generates a transmission frequency ...  
JP2008197114A
To provide a real-time clock for a GPS receiver for initializing a navigation satellite receiver at a higher speed by recording the time after a power-down.The navigation satellite receiver is provided with a real-time clock capable of s...  
JP2008182767A
To provide a crystal oscillator that is excellent in IC element bonding reliability and meets the need for the size reduction of the entire structure.The present invention relates to a crystal oscillator comprising: a container accommoda...  
JP4127084B2  
JP2008167474A
To provide FE dielectric-tuned antennas and a method for frequency tuning a wireless communications antenna.The method comprises forming a radiator; forming a dielectric with ferroelectric material proximate to the radiator; applying a v...  
JP4118142B2  
JP4094576B2  
JP2008512973A
The method and device bracket for the radiation susceptibility reduction which can be reconstructed are shown. This method receives the radiation wave from sources, such as a transmitter, an antenna, a microprocessor, and electric parts,...  
JP4077322B2  
JP2008085414A
To provide a real-time clock device capable of achieving low current consumption and a stable operation, and a semiconductor device and an electronic device using the real time clock device.The real-time clock device comprises a crystal ...  
JP4070492B2  
JP2008072740A
To provide an appropriate tunable multiplexer.The present invention provides a tunable ferro-electric multiplexer for use in CDMA communication devices. Tunable ferro-electric capacitors are used to tune the resonant frequencies of sever...  
JP2008072709A
To provide a device and a method for temperature compensation in a clock oscillator using quartz crystals which is assembled with dual crystal oscillators therein.Minimum power consumption is achieved by the efficient use of a processor ...  
JP4066997B2  
JP4062135B2  
JP4060424B2  
JP4050618B2  
JP2008035569A
To provide an enhanced tunable f-e filter capable of providing a tunable range higher than a desired frequency domain through low I. L. and out-of-high-band rejection, and a method of designing the filter.The present invention quantifies...  
JP2008028804A
To provide a circuit which obtains a stable frequency or a delay element when a reference frequency is obtained.A switchover device 5 alternately selects, in chronologic order, a first oscillation circuit 6 composed of a first impedance ...  
JP4044027B2  
JP4043683B2  
JP2008022585A
To provide an appropriate tunable multiplexer.A tunable ferro-electric multiplexer for use in CDMA communication device is provided. Tunable ferro-electric capacitors are used to tune the resonant frequencies of several resonators used i...  
JP4034540B2  

Matches 551 - 600 out of 1,841