Abstract: Power output switching circuit (215) for use in high current and high frequency applications. The output circuit provides a series of geometrically symmetric parallel spaced semiconductor converters (214A, 214B, 216A, 216B) arranged such that the voltage for each semiconductor output device is substantially equal and minimal for each device. In this way, each device exhibits substantially the same impedance, such that circuit performance is largely a function of intrinsic device characteristics, and substantially independent of cross coupling and another external influences.

Abstract: An internally mounted light beam sight suitable for use in automatic pistols and other weapons is provided by replacing the conventional recoil spring guide rod with a hollow tube having substantially the same exterior shape and dimensions, but containing a laser beam generation module within its hollow bore. A collar surrounds the module near a first end. The collar has a part-spherical outer surface which engages a matching-spherical inner surface within the tube so that the angular orientation of the module may be adjusted by relative rotation of the two part-spherical surfaces. The collar is desirably split by one cut-through so that it may be spread apart to slip over an end of the module. The module and collar have an interlocking groove and ridge which retains the collar in place on the module. Transverse adjustment screws in the tube bear on a distal end of the module so that the angular orientation of the module may be varied with respect to the tube.

Abstract: An electric machine according to various aspects of the invention includes a transformer having a rotating component for transmitting power from a stationary portion of the machine to a rotating portion of the machine, or vice versa. Both the rotating component and a stationary component of the transformer includes a winding, wherein the windings are disposed to be magnetically coupled. Current provided to the winding of the stationary component generates a magnetic field, which induces current in the winding of the rotating component.

Abstract: An electronic book comprising a plurality of leaves, each leaf comprising pages of printed material bound at one edge to form a spine, with electrical circuits formed in each leaf. A common electronic circuit such as a speech generator and/or controller cooperates with the electrical circuits on each of the various pages, connected to the electrical circuits in the leaves through conductive paths through the spine of the book. The electrical circuits in the leaves include electrical elements such as switches, and sensory output devices (e.g., thermochromic devices, light emitting diodes, thermo-olfactory devices, electrochromic devices, and the like). The electrical elements are associated with particular portions of the printed material so that the particular portions can be selectively highlighted or emphasized (e.g., designated by actuation of a visual or olfactory device and/or text read).

Abstract: A flash EEPROM having reduced column leakage current suitably includes cells with more uniform erase times arranged in an array. An intermediate n+ implant immediately following the DDI implant step suitably provides an enhanced doping profile in the tunneling region, which increases the rate at which F-N tunneling occurs to erase the cells, and which increases the uniformity of F-N tunneling rates among memory cells within the array. A thermal cycle drives the intermediate n+ implant deeper into the tunneling region. Alternatively, an n+ implant may be performed at a relatively large angle with respect to the semiconductor substrate, which improves the doping concentration in the tunneling region of the source.

Abstract: There is disclosed a liquid cooled stationary anode tube wherein the anode is adapted for irradiation by an energy beam, and includes a heat exchange surface, said tube includes means for providing a flow of coolant liquid to remove heat from said heat exchange surface by formation of nucleate vapor bubbles on said heat exchange surface, said liquid tending to include a viscous sublayer adjacent to said heat exchange surface, the improvement wherein said heat exchange surface includes at least one of: means for forming pressure gradients in said liquid having a component perpendicular to said heat exchange surface to facilitate removal of said nucleate bubbles; and means for breaking up said viscous sublayer to facilitate removal of said nucleate bubbles.

Abstract: There is disclosed a liquid cooled anode x-ray tube wherein the rotating anode is adapted for irradiation by an energy beam, and includes a heat exchange surface, said x-ray tube includes means for providing a flow of coolant liquid to remove heat from said heat exchange surface by formation of nucleate vapor bubbles on said heat exchange surface, said liquid tending to include a viscous sublayer adjacent to said heat exchange surface, the improvement wherein said heat exchange surface includes at least one of: means for forming pressure gradients in said liquid having a component perpendicular to said heat exchange surface to facilitate removal of said nucleate bubbles; and means for breaking up said viscous sublayer to facilitate removal of said nucleate bubbles.

Abstract: A stable, wide-deviation linear voltage controlled frequency generator including a conventional voltage controlled oscillator (VCO) in a control loop which linearizes the output frequency of the VCO. The control loop includes a crystal oscillator and a digital frequency discriminator. The digital frequency discriminator compares the frequency of the VCO output signal with a stable fixed frequency signal from the crystal oscillator to generate a feedback control signal for the VCO. A novel digital frequency discriminator comprising a digital one shot and a low pass filter is disclosed.

Abstract: An automotive ranging and detecting system wherein clutter returns from out of lane objects at curves in a road are eliminated by adjusting the maximum range of the radar in accordance with the radius of curvature of the path of travel of the vehicle.BACKGROUND OF THE INVENTION1. Field of the InventionThe present invention relates to collision avoidance radars, and more particularly to a ranging and detecting system for an automotive radar.2. Description of the Prior ArtConventional non-cooperative radar detecting and ranging systems, wherein a probe signal is transmitted towards a target and is "skin"-reflected therefrom back to the interrogating unit, have typically been impractical for utilization as automotive collision avoidance systems due to undesired signals known in the art as "clutter.

Abstract: The electrooptic display of an electronic timepiece has a total of only twelve indicator elements. Hours are indicated by causing one element to produce one kind of optical output such as steady illumination. Minutes are indicated by causing an element to produce another kind of optical output such as intensity modulated illumination. The particular element selected for intensity modulation is a coarse indication of minutes (5 minute increments); the modulation itself is a fine indication of minutes (1 minute increments). Similar techniques may be employed for indicating the month and day.

Abstract: A circuit for speeding acquisition in a phase and frequency locked loop utilizing a plurality of R-C circuits having differing time constants, interconnected with diodes.

Abstract: An apparatus for automatically monitoring the respiration of a subject requiring no physical connection to the subject. The use of such apparatus for automatically triggering an x-ray machine at instants of respiration extrema is also disclosed.

Abstract: A system for communicating binary data by minimum shift keying wherein specified relationships maintained by a transmitter between the bit rate of the binary data, the frequency of a mark signal and the frequency of a space signal allow derivation in a receiver of coherent reference signals for both mark frequency and space frequency by a single phase lock loop. Provisions are also made for similar derivation of a coherent reference for a carrier frequency.

Abstract: A linear high power transistor amplifier operable over a wide band of modulation frequencies wherein linearity of response is maintained by use of an active bias circuit.

Abstract: A homodyne communication system comprising an interrogating unit and a plurality of responsive remote units wherein a continuous wave RF signal is transmitted from the interrogating unit to illuminate a remote unit. The remote unit causes a return (reply) signal to be transmitted or reflected back to the interrogating unit. A sample of the transmitted (interrogation) signal is mixed with the return signal. Amplitude nulls in the mixer output signal at given relative phase relationships between interrogation and reply signals, are substantially eliminated by selectively shifting the relative phase of the signals. Also disclosed are a homodyne communication system utilizing phase modulation to impress FSK signaling on the reply signal and an automatic vehicle location system utilizing the present invention.

Abstract: An adaptive parameter signal processor for continuous wave radar ranging systems which provides non-quantized measurements of range. Means are provided to select a suitable portion of the difference frequency waveform, excluding any phase reversal. The period of the difference frequency is measured using the selected portion of the waveform and is converted to frequency. The frequency is, in turn, converted to range. The system parameters are automatically adjusted in accordance with the difference frequency waveform. Override means are also disclosed for adjusting the system at a faster rate in response to predetermined conditions such as when an abrupt decrease in range occurs.

Abstract: An adaptive parameter signal processor for continuous wave radar ranging systems which provides non-quantized measurements of range. Means are provided to select a suitable portion of the difference frequency wave form, excluding any phase reversal. The period of the difference frequency is measured using the selected portion of the waveform and is converted to frequency. The frequency is, in turn, converted to range. The system parameters are automatically adjusted in accordance with the difference frequency waveform.

Abstract: A system for storing dial data from a teletypewriter subscriber is arranged to be stored at the subscriber station until a new number is dialed by the subscriber. The system is arranged to handle both dial-pulse forms of dialing information as well as the baudot code as used for teleprinters. Repeated spilling-out of stored dialed data is accomplished by the depression of a single switch or button provided on the teleprinter apparatus such as a touch-pad. This system is arranged to be compatible with existing teletypewriter switching exchanges of the computer or conventional automatic switch system type.

Abstract: A mount for a microwave diode package wherein good thermal contacts, as well as radio frequency contacts to a microstrip circuit are achieved by applying a mechanical force to a face of the mount at an acute angle so that forces are produced along both of the major axes of the mount.

Abstract: A digital processor for discretely sampled information signals, of the type such as radar return signals and communication signals. Means are disclosed for determining the positions and values of extrema and the positions of the leading and trailing edges of extended pulses occurring between sampling instants. Means are also disclosed for determining the duration of such extended pulses.