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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Application No. | Application Title | Issue Date |
| 20100219900 | VOLTAGE AND CURRENT SIGNALING Circuitry and methods are provided. Voltage and current of an electrical load are detected, scaled and biased to derive respective voltage and current signals. Frequency-modulated signals corresponding to the voltage and current signals are respectively derived. The fre... | 09/02/2010 |
| 20090206941 | CHARGE PUMP-BASED FREQUENCY MODULATOR A charge pump-based frequency modulator is provided. The charge pump-based frequency modulator comprises an analog phase correction path comprising a varactor and a charge pump. The varactor is coupled to an output of the charge pump-based frequency modulator. The charg... | 08/20/2009 |
| 20090066436 | MULTI-BRAND ELECTRONIC APPARATUS AND MULTI-BAND SIGNAL PROCESSING METHOD A multi-band electronic apparatus and method thereof is provided. The method comprises outputting a first output signal in the first band by a first voltage controlled oscillator according to a switch control signal and a control voltage, outputting a second output sign... | 03/12/2009 |
| 20090009259 | ANGLE MODULATOR An angle modulator having an excellent noise characteristic and an excellent distortion characteristic independent of an unwanted wave component of an optical modulation signal is provided. The angle modulator (10) includes an optical SSB modulation section (1... | 01/08/2009 |
| 20080284536 | Dual Mode Power Amplifier A dual mode power amplifier can include a linear gain section and a non-linear gain section configured together as a polar amplifier. The dual mode power amplifier may be used to transmit GFSK, 4-DPSK, and 8-DPSK modulated data. In one mode, both non-linear and linear g... | 11/20/2008 |
