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Class Information
Number: 331/111
Name: Oscillators > Solid state active element oscillator > Transistors > Relaxation oscillator
Description: Oscillators for generating nonsinusoidol waves which are cyclic in nature and wherein each cycle consists of a period determined by the charging time of a capacitor or inductor of the oscillator followed by a period determined by the discharge time of the capacitor or inductor through a resistive element of the oscillator.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612623 |
Micropower RC oscillator |
Nov. 3, 2009 |
| 7602258 |
Circuits, systems, and methods for a voltage controlled oscillator with coarse, fine, and center tuning |
Oct. 13, 2009 |
| 7598822 |
Process, supply, and temperature insensitive integrated time reference circuit |
Oct. 6, 2009 |
| 7579918 |
Clock generator with reduced electromagnetic interference for DC-DC converters |
Aug. 25, 2009 |
| 7551041 |
Oscillator and method for operating an oscillator |
Jun. 23, 2009 |
| 7548131 |
Oscillation circuit with temperature-dependent current source |
Jun. 16, 2009 |
| 7538629 |
Oscillator circuit |
May. 26, 2009 |
| 7528673 |
Oscillator circuit and semiconductor device having oscillator circuit |
May. 5, 2009 |
| 7525394 |
Ultra low power CMOS oscillator for low frequency clock generation |
Apr. 28, 2009 |
| 7504902 |
Precision oscillator having linbus capabilities |
Mar. 17, 2009 |
| 7504897 |
Switched-current oscillator for clock-frequency spreading |
Mar. 17, 2009 |
| 7486150 |
Electric circuit and oscillator comprising said electric circuit |
Feb. 3, 2009 |
| 7486151 |
Semiconductor circuit for use in timer circuit or oscillator circuit |
Feb. 3, 2009 |
| 7474162 |
RC-oscillator circuit |
Jan. 6, 2009 |
| 7443255 |
Oscillator circuit and method for adjusting oscillation frequency of same |
Oct. 28, 2008 |
| 7443254 |
Relaxation oscillator with propagation delay compensation for improving the linearity and maximum frequency |
Oct. 28, 2008 |
| 7439818 |
Voltage-and temperature-compensated RC oscillator circuit |
Oct. 21, 2008 |
| 7420431 |
RC oscillator integrated circuit including capacitor |
Sep. 2, 2008 |
| 7388444 |
Switching regulator duty cycle control in a fixed frequency operation |
Jun. 17, 2008 |
| 7385453 |
Precision oscillator having improved temperature coefficient control |
Jun. 10, 2008 |
| 7375599 |
Analog circuit and method for multiplying clock frequency |
May. 20, 2008 |
| 7348860 |
Triple-input relaxation oscillator with differential controllability |
Mar. 25, 2008 |
| 7342463 |
Timer circuits and method |
Mar. 11, 2008 |
| 7317362 |
Oscillator circuit and oscillation control method |
Jan. 8, 2008 |
| 7307481 |
Minimum synchronization frequency discriminator |
Dec. 11, 2007 |
| 7280000 |
Apparatus and method for reducing power consumption within an oscillator |
Oct. 9, 2007 |
| 7274265 |
PWM controller with temperature regulation of switching frequency |
Sep. 25, 2007 |
| 7271670 |
CR oscillation circuit |
Sep. 18, 2007 |
| 7268639 |
Pulse width modulation circuit |
Sep. 11, 2007 |
| 7248634 |
Integrated circuit for transceiver device with means for suppressing superimposed noise and for generating a more accurate output signal |
Jul. 24, 2007 |
| 7199676 |
Frequency adjustment circuit |
Apr. 3, 2007 |
| 7187244 |
Digital light ballast oscillator |
Mar. 6, 2007 |
| 7176765 |
Programmable temperature-compensated RC oscillator |
Feb. 13, 2007 |
| 7171183 |
Linearized fractional-N synthesizer having a current offset charge pump |
Jan. 30, 2007 |
| 7167060 |
Oscillation circuits including latches for integrated circuit devices and related methods |
Jan. 23, 2007 |
| 7164326 |
Oscillator circuit |
Jan. 16, 2007 |
| 7142069 |
Method and circuit arrangement for amplitude regulation of an oscillator signal |
Nov. 28, 2006 |
| 7138880 |
Turbo-charged relaxation oscillator method and apparatus |
Nov. 21, 2006 |
| 7135937 |
Oscillator circuit and integrated circuit incorporating the same |
Nov. 14, 2006 |
| 7123110 |
Low power self refresh timer oscillator |
Oct. 17, 2006 |
| 7119626 |
Oscillation circuit and operation method thereof |
Oct. 10, 2006 |
| 7116181 |
Voltage- and temperature-compensated RC oscillator circuit |
Oct. 3, 2006 |
| 7109804 |
Precision relaxation oscillator without comparator delay errors |
Sep. 19, 2006 |
| 7102452 |
Temperature-compensated RC oscillator |
Sep. 5, 2006 |
| 7068116 |
Oscillation circuit and semiconductor device free from the influence of source voltage, temperature and fluctuations in the inverter threshold voltage |
Jun. 27, 2006 |
| 7053724 |
Dual slope dual range oscillator |
May. 30, 2006 |
| 7034627 |
Oscillator circuit with variable reference voltage and current |
Apr. 25, 2006 |
| 7030707 |
Oscillator circuits and methods that change frequency in inverse proportion to power source voltage |
Apr. 18, 2006 |
| 7026882 |
Time base circuit, oscillator based thereon, and communicating apparatus using said oscillator |
Apr. 11, 2006 |
| 7023289 |
Programmable oscillator |
Apr. 4, 2006 |
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