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Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

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Assignee: Systron Donner Corporation


Location: Concord, CA
No. of patents: 46

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NumberTitleIssue Date
5458202Pressurized extinguishant release device with rolling diaphragm
A pressurized extinguishant release device with a rolling diaphragm includes a closed elongated sensor tube filled for example with 50% water and 50% ethylene glycol which terminates in an enclosure sealed by a circular head portion of the rolling diaphra...
10/17/1995
5345239High speed serrodyne digital frequency translator
A high-speed serrodyne digital frequency translator utilizes a digital phase-shifter, for example, of series coupled Schiffman type cells, which have reference and delay paths which are switched by three-terminal devices of the gallium arsenide FET type. ...
09/06/1994
5136278Compact and lightweight pneumatic pressure detector for fire detection with integrity switch
A pneumatic pressure detector for use in an overheat or fire alarm system utilizes a known capillary type sensor tube which has absorbed in it a gas. Overheat or fire condition causes the gas to expand which then actuates an associated deformable diaphrag...
08/04/1992
5115867Dual linear fire extinguisher
A linear fire extinguisher includes a high strength metal elongated tube containing a pressurized fire extinguishant such as Halon 1301. A pair of these tubes are mounted opposite each other with a pair of opposed shaped charges placed along exterior wall...
05/26/1992
5088560Zero force fire extinguisher
A linear fire extinguisher of the type containing superpressurized Halon in a cylindrical container which is cut by an explosive linear shaped charge is contained in an overall housing which, in addition to preventing fragments from escaping, diverts the ...
02/18/1992
5004963Accelerometer based power control apparatus for aircraft subsystem
An accelerometer based power control apparatus for use in an aircraft subsystem (where the subsystem may be a fire extinguishing system) utilizes an independent battery source. The battery is connected to the aircraft subsystem only during the flight of t...
04/02/1991
5003312Velocity deception apparatus and method therefor
The velocity deception apparatus utilizes a serrodyne technique to produce various deception jamming modes. The modes are all controllable by parameters which are digitally stored and in addition, the modes may be selectively actuated by a remote control ...
03/26/1991
4779463Servo accelerometer
A servo type accelerometer including a main support base, a pendulum assembly and a servo arrangement is disclosed herein. The pendulum assembly includes a pendulum and means supporting the pendulum for limited rotational movement through a normal resting...
10/25/1988
4651075Servoed accelerometer having isolated voltage torquing and method
Servoed accelerometer with isolated voltage torquing having first and second grounds, a servoed accelerometer having a torque coil, and an amplifier for driving said torque coil. The amplifier has inverting and non-inverting junctions. The second ground i...
03/17/1987
4630228Transmission line analyzer for automatically identifying the severities and locations of multiple mismatches
A transmission line analyzer for automatically identifying the severities and locations of multiple mismatches generates a ripple waveform which is digitally analyzed by a fast fourier transform method. Foreign and harmonic signals are rejected, and retur...
12/16/1986
4581594Drive circuit for YIG tuned devices
A stable, low noise voltage-to-current converter is provided to control the tuning current in YIG tuned devices such as YIG tuned transistor oscillators. The circuit provides stable tuning current which is substantially noise free....
04/08/1986
4365512Null circuit for use in an angular rate instrument
An angular rate instrument adapted for mounting to a given object for measuring the rate of turn of the latter is disclosed herein. This instrument utilizes an angular accelerometer to sense angular acceleration to which the instrument is subjected and a ...
12/28/1982
4338819Accelerometer including an overall arrangement for reducing temperature related errors
A pendulous type of oil filled accelerometer is disclosed herein, specifically one which is sensitive to temperature changes sufficient to introduce a temperature related error into its output signal, if left uncorrected. A technique which compensates for...
07/13/1982
4337517Method of automatically calibrating a microprocessor controlled digital multimeter
A new microprocessor controlled digital multimeter offers significant advantages to the user. Automatic calibration allows a new reference IC board to be inserted and because of such calibration the multimeter is instantly ready for use....
06/29/1982
4311997Apparatus for connecting data points on a cathode ray tube display and method therefor
A dot connecting technique for the digital display of a spectrum analyzer generates vertical connecting lines between points by inhibiting the horizontal scan during such generation for a time period proportional to the vertical distance between dots to t...
01/19/1982
4262249Base line clipper for spectrum analyzer display
A base line clipper for a spectrum analyzer display uses a five position momentary switch to move the base line in the up or down directions in either a fast or slow mode. This is especially useful in conjunction with the spectrum analyzer which has a var...
04/14/1981
4249420Bearing preload assembly for use in an oil filled accelerometer
A pendulous type of accelerometer is disclosed herein and includes a sealed housing defining an oil filled internal chamber, a pendulous member located within the housing chamber and a pair of bearing mechanisms for pivotally supporting the pendulous memb...
02/10/1981
4241416Monitoring apparatus for processor controlled equipment
A microprocessor monitor or analyzer used as a test and troubleshooting tool for both the software and hardware of microprocessor based equipment. The analyzer is usable with all microprocessor families having accessible or reconstructible address and dat...
12/23/1980
4238727Digitally programmable apparatus for generating a substantially linear ramp signal
A digitally programmable ramp generator produces a substantially linear ramp along with an equivalent digital code by use of a multiplying digital to analog converter which drives an integrator which produces a ramp voltage. This ramp voltage is compared ...
12/09/1980
4220857Optical flame and explosion detection system and method
Optical flame and explosion detection system having first and second channels with each of the channels being responsive to different combustion products and detecting radiation from the combustion products and converting the radiation into electrical sig...
09/02/1980
4204201Modular alarm system
A modular alarm system includes a plurality of sensing devices, each of which is adapted to sense the presence or absence of a particular condition, specifically a fire or over heat condition (hereinafter referred to merely as a fire condition), and the p...
05/20/1980
4200933Method of automatically calibrating a microprocessor controlled digital multimeter
A new microprocessor controlled digital multimeter offers significant advantages to the user. Automatic calibration and correction routines ensure long term stability and simplify maintenance; self diagnostics greatly help troubleshooting and even warn of...
04/29/1980
4200876Water level recorder
A water level recorder for use with pressure-sensitive chart paper and having a framework with a lead screw rotatably mounted in the framework. A pulley is secured to the lead screw. The pulley is driven by a tape which is positioned by a float that is ad...
04/29/1980
4169384Linear accelerometer mechanism
Linear accelerometer mechanism having a mounting flange with an opening therein. A body is to be carried by the mounting flange and also has an opening therein. A float, a pendulous elongated member having one end secured to the float and a cylindrical to...
10/02/1979
4160568Stable preload shock mounted bearing assembly
A cylindrical bearing housing has an axial bore therethrough and external threads. A land is formed around the circumference of the bore having a width less than the axial length of the bore. A bearing member has a bearing surface on one end accessible th...
07/10/1979
4150575Fluid sampler and minimum-included-air-coupling
A coupling that permits a connection to be made to a fluid system with a minimum of included air, even though the coupled device is not pre-filled. The coupling is particularly advantageously employed as part of a sampler used to take fluid samples for an...
04/24/1979
4147063Two axis gas damped angular velocity sensor
A thin plate-like rotor is mounted on a hub which in turn is attached to the shaft of a motor which drives the rotor at a predetermined rotational speed about a spin axes. A framework is provided for mounting the motor. The rotor has a damping face and an...
04/03/1979
4145649Amplitude insensitive voltage-to-current converter and method for conversion
A current source is formed utilizing a reference voltage which is impressed on an impedance connected to the input of an operational amplifier. A buffer amplifier is coupled between the output and the input of the operational amplifier to prevent interact...
03/20/1979
4104572Servo system temporary destabilization circuit and method
A servo system has a moving member supported for movement therein and a pickoff device for sensing the position of the moving member relative to a reference position. The pickoff provides a position output which is connected to an attenuator at the input ...
08/01/1978
4099415Temperature compensation circuit for a fluid damped servo system
The servo system has a fluid damped moving mass, a pickoff providing a signal indicative of the position of the moving mass, and a torquer disposed to move the mass. A single operational amplifier has a pair of inputs and an output. One input is connected...
07/11/1978
4095477Two axis rate gyro
A two axis rate gyro for sensing angular velocity about two input axes includes a rotating disc which is bearing mounted in a framework. A motor is provided for driving the disc rotationally in the bearing mounts. Pickoffs are mounted in the framework whi...
06/20/1978
4088026Linear accelerometer mechanism
Linear accelerometer mechanism having a housing and a pendulous member. Means is provided for pivotally mounting the pendulous member in the housing. A torque coil is carried by the pendulous member and first and second magnets are mounted in the torque c...
05/09/1978
4080835Subminiature linear accelerometer
A linear accelerometer is contained within a combination framework and case having a magnetic circuit including an annular gap with a magnetic flux density therethrough. An insulated bearing mount is fixed within the framework carrying a pair of opposed a...
03/28/1978
4074178Time limited digital oscillator
A circuit for providing an oscillatory driving signal from the point in time when power is supplied to a predetermined point in time thereafter. A force balance transducer having a pick-off device with a stationary member and a moving member mechanically ...
02/14/1978
4053849Oscillation means for generating a differential AC signal proportional to movement of a conducting member
A high frequency pickoff is disclosed having two spaced inductors electrically connected in series and a capacitor connected in parallel with the inductors, thereby forming a parallel resonant circuit. A conducting member is mounted for motion in the spac...
10/11/1977
4038876Acceleration error compensated attitude sensing and control apparatus and method
A structural body is monitored in angular position about at least one axis by utilizing a tilt sensor responsive to tilt about the one axis and a sensor responsive to angular acceleration of the body about the one axis. The tilt sensor also responds to th...
08/02/1977
4037944Low stress optical mounting structure and method
Kinematic mounting of an optical mirror cube in an athermal system is obtained wherein the optical mirror cube has a mounting post extending from a support surface thereon. The mirror cube also has an optical surface and a registration surface. A mounting...
07/26/1977
4037164Exponential decay wave form generator and method
A command signal is provided through a buffer amplifier to an exponential signal generator which provides an exponential signal envelope at the output thereof. The exponential signal envelope is coupled to an inverting unity gain amplifier for providing a...
07/19/1977
4016766Counting accelerometer apparatus
Counting apparatus having a transducer for measuring a certain parameter and providing an output, with filtering means for filtering the output from the transducer and decision circuit means connected to the output of the filtering means capable of regist...
04/12/1977
4001695Automatic deviation analysis meter
A system for automatically measuring frequency deviation without manual tuning or frequency selection includes a transfer oscillator circuit which is switchable between fast and slow loop response modes by use of a squelch indication. In addition, a varac...
01/04/1977
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