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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 8076988 | 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... | 12/13/2011 |
| 7911286 | Multiplexed voltage and current signaling Circuitry and methods are provided. Voltage and current of an electrical load are scaled, biased and alternately sampled to derive a multiplexed signal. The multiplexed signal is used to control an oscillator so as to provide a multiplexed frequency-modulated signal... | 03/22/2011 |
| 7333051 | Methods and devices for determining the linearity of signals A method (for example, machine-implemented, e.g., via a receiver), for determining whether a transmitted pulsed-signal is a linear or non-linear frequency modulated (FM) signal, includes: iteratively determining upper and lower bound slopes associated with frequency... | 02/19/2008 |
| 7286022 | Resistor-capacitor (RC) oscillator insensitive to process, voltage, and temperature variances There is provided a resistor-capacitor (RC) oscillator circuit insensitive to process, voltage, and temperature variances. The RC oscillator circuit includes a delay unit, a resistor unit, a capacitor, a resistor, and a first controller. The delay unit delays and ou... | 10/23/2007 |
| 5793709 | Free loop interval timer and modulator A free loop oscillator system including a set of successive delay elements connected in series forming a free-running loop oscillator, a set of taps disposed between the delay elements, a circuit for determining the speed of the free-running loop oscillat... | 08/11/1998 |
| 5561364 | RF pulse detection A circuit is disclosed for detecting RF pulses, regardless of the frequens associated therewith. Such pulses are characterized by envelope configurations of a common frequency and perceived with a frequency analyzer that responds to that common frequency... | 10/01/1996 |
| 5414392 | Amplifier circuit An electrical circuit comprising means for receiving an input signal for encoding or modulating and amplification. Multiple amplification stages including at least one transconductance amplifier are provided. There are means for having the input signal mo... | 05/09/1995 |
| 5103463 | Method and system for encoding and decoding frequency shift keying signals A system and method for encoding and decoding a frequency-shift keyed data signal for transmission over a non-ideal communications channel that utilizes phase-coherently combined halfwave segments of sinewaves with a finite number of different frequencies... | 04/07/1992 |
| 4694263 | Frequency modulation monitor circuit and method A method and apparatus for monitoring a frequency modulated signal including harmonically mixing the modulated signal with a significantly lower reference frequency, dividing the mixed signal, filtering out the reference frequency, rectifying and integrat... | 09/15/1987 |
| 4604559 | Apparatus and method for providing useful audio feedback to aid in the operation of remotely controlled powered manipulators The user of a remotely controlled, powered manipulator is provided with audible feedback signals which provide useful information relating to the force and speed of the motor. An audio tone is generated and is frequency modulated by a signal which corresp... | 08/05/1986 |
| 4455678 | Test method and device for FM transmitter A direct measurement technique is disclosed for determining baseband frequency response of an FM transmitter without using response-altering test devices otherwise injecting frequency dependent characteristics, such as pre-emphasis networks and demodulato... | 06/19/1984 |
| 4405897 | Frequency deviation testing and adjusting system for frequency modulated oscillators Deviation of a frequency modulated oscillator (FMO) is set by applying a square wave test signal to the input of the oscillator so as to generate a predetermined amount of symmetrical periodic frequency shift above and below the rest frequency, i.e., the ... | 09/20/1983 |
| 4399408 | Apparatus for testing the linearity of a frequency modulated oscillator An APC (automatic phase control) circuit is utilized to measure the linearity of an FMO (frequency modulated oscillator). In accordance with a common APC concept a programmable divider is connected to an output of said frequency modulatable oscillator to ... | 08/16/1983 |
| 4399409 | Apparatus for testing the linearity of a frequency modulated oscillator A linearity test signal generator alternately provides a burst of a modulation frequency and no modulation to the modulation input of the frequency modulator oscillator (FMO) under test. A programmable divider is connected to the output of said frequency ... | 08/16/1983 |
| 4366482 | Transmitter with buzzer A garage door opener system includes a radio receiver actuable by reception of a preselected radio signal for moving a garage door between opened and closed positions and a portable hand-held transmitter manually actuable to transmit such preselected radi... | 12/28/1982 |
| 4234964 | Radio receiver monitoring and testing apparatus Circuitry for attachment to a radio receiver to monitor and test a detected intermediate frequency signal and an audio signal from a demodulator portion of the receiver to determine whether a transmitted radio frequency signal is within frequency toleranc... | 11/18/1980 |
| 4143323 | Radio receiver monitoring and testing apparatus Circuitry for attachment to a radio receiver to monitor and test a detected intermediate frequency signal and an audio signal from a demodulator portion of the receiver to determine whether a transmitted radio frequency signal is within frequency toleranc... | 03/06/1979 |
| 4024495 | Remote temperature change warning system A remote temperature change warning system for a refrigeration vehicle comprised of a temperature sensing circuit located in the refrigeration compartment of the refrigeration vehicle and a detection circuit located on the vehicle remote from the temperat... | 05/17/1977 |
| 4015210 | Circuit for detecting predetermined voltage level crossings of the modulating component of a frequency modulated signal In the illustrative embodiment, a one shot multivibrator is adapted to receive an incoming FM signal at its input, and in operation generates a series of pulses which coincide in time with the positive peaks of the received FM signal. The series of pulses... | 03/29/1977 |
