Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8188805 | Triplate line-to-waveguide transducer having spacer dimensions which are larger than waveguide dimensions A ground conductor (1) has a through hole provided through an area thereof for connection with a waveguide (6), with dimensions substantially equal to cavity dimensions of the waveguide (6), and a metallic spacer (7a) is provided a... | 05/29/2012 |
| 8183954 | Coaxial line to waveguide converter with an adjustable conductor attached to the coaxial line inner conductor A coaxial waveguide converter is disclosed. It includes a waveguide to which a high frequency signal is transmitted, a coaxial line having an inner conductor that is coupled to the waveguide so as to project an end of the inner conductor into the waveguide, and a fi... | 05/22/2012 |
| 8179204 | Bandgap impedance surface of polar configuration usable in a waveguide transition module A bandgap surface for use in a waveguide transition module. The surface may be constructed with a ground plane; a capacitive layer including a plurality of capacitive elements arranged in a polar configuration within a common plane, and spaced apart from said ground... | 05/15/2012 |
| 8174336 | Ultra-wideband balun and application module thereof A first transmission line is formed on a first surface of a substrate. A first end of the first transmission line is connected to a transmission line of an unbalanced line. A second end is connected to a first transmission line of a balanced line. A second transmiss... | 05/08/2012 |
| 8169274 | Transmission line converter using oblique coupling slots disposed in the narrow wall of a rectangular waveguide It is an object to obtain a transmission line converter in which a rectangular waveguide provided under a transmission line may be reduced in size. In the transmission line converter including: a rectangular waveguide (11); a slot (5) provided in a wal... | 05/01/2012 |
| 8154360 | Resin multilayer device and method for manufacturing same Provided is a resin multilayer device having a balun, wherein the resin multilayer device comprises: a substrate; a first resin layer formed on the substrate; two balanced signal transmission lines that are electrically independently disposed on the first resin laye... | 04/10/2012 |
| 8154359 | Thin film balun The present invention provides a thin film balun includes: an unbalanced transmission line 2 including a first coil portion C1 and a second coil portion C2; a balanced transmission line 3 including a third coil portion C3 and a fou... | 04/10/2012 |
| 8149070 | Chockless power coupler A wideband power coupler and method for taping part of a RF signal from a combined RF and AC signal with relatively simple structure and relatively low number of needed parts. The power coupler may include a BALUN, the BALUN constructed of a central conductor, an ou... | 04/03/2012 |
| 8143968 | Thin film balun A thin film balun includes: an unbalanced transmission line which includes two coils; a balanced transmission line which includes two coils and is electromagnetically coupled to the unbalanced transmission line; a first electrode which is connected to the balanced t... | 03/27/2012 |
| 8138850 | Feeding apparatus for a semi-circular shape waveguide with feeding segments offset from the midpoint of the semi-circular waveguide A feeding apparatus is utilized for a waveguide. The waveguide includes an opening and a bottom periphery around the opening. The bottom periphery includes a feeding side. The feeding apparatus includes a substrate and a feeding segment. The substrate is connected t... | 03/20/2012 |
| 8093959 | Compact, low loss, multilayer balun Embodiments of a microelectronic device including laminate baluns are generally described herein. A microelectronic device may include a laminate structure including a plurality of laminate layers, a first balun element disposed in the laminate structure, and a seco... | 01/10/2012 |
| 8089327 | Waveguide to plural microstrip transition A waveguide to microstrip transition having a waveguide open at one end. A dielectric substrate includes a first and a second side and a ground plane covers the first side of the substrate. The dielectric substrate overlies the waveguide opening so that the ground p... | 01/03/2012 |
| 8085111 | Thin film balun A thin film balun includes: an unbalanced transmission line which includes two coils; a balanced transmission line which includes two coils and is electromagnetically coupled to the unbalanced transmission line; a capacitor having one end connected to the balanced t... | 12/27/2011 |
| 8081044 | Surface-mountable waveguide arrangement having a solder contact area with an internal solderstop line A surface-mountable waveguide arrangement comprising a dielectric carrier material having a first main side and a second main side, the second side comprising a ground plane, and the first side being arranged to form a microwave circuit layout by means of metallizat... | 12/20/2011 |
| 8076993 | Balun circuit and integrated circuit device A balun circuit comprising first through third CPW lines becoming signal I/O ports, a first differential transmission line for linking the central conductor of the second CPW line and the ground conductor of the first CPW line and for linking the ground conductor of... | 12/13/2011 |
| 8067998 | Communication transceiver having a three-line balun with power amplifier bias A balun that includes a first conductor, a second conductor, and a third conductor. The first conductor has a first length. The first conductor also has a first end connected to a first balanced power amplifier output port. The second conductor has substantially the... | 11/29/2011 |
| 8022784 | Planar transmission line-to-waveguide transition apparatus having an embedded bent stub A wireless communication module includes a plurality of monolithic millimeter-wave integrated circuits (MMICs) for signal processing attached to the top surface of a multi-layer low temperature co-fired ceramic substrate; a planar transmission line formed on the top... | 09/20/2011 |
| 7994874 | Tapered double balun Disclosed is a tapered double balun for use with rotationally-symmetrical, frequency-independent antennas that are fed using spiral-mode number 2. The tapered double balun may be used to provide a four-terminal line, where all terminals carry the same voltage, but a... | 08/09/2011 |
| 7978022 | Cable to waveguide transition apparatus having signal accumulation form of backshort and active phase shifting using the same A cable to waveguide transition apparatus having a signal accumulation form of a backshort is disclosed. The cable to waveguide transition apparatus having a signal accumulation form of a backshort, includes: a waveguide; a RF probe for transferring a radio frequenc... | 07/12/2011 |
| 7973614 | Invisible balun and method of making same An apparatus and method for reducing stray magnetic fields include a decoupling circuit includes a balun that comprises a transmission line. The transmission line includes a first spiral positioned substantially parallel to a first plane, the first spiral emanating ... | 07/05/2011 |
| 7973615 | RF module The present invention provides an RF module capable of converting electromagnetic waves in the TE mode to balanced electromagnetic waves in the TEM mode without adjustment and outputting the balanced electromagnetic waves while easily realizing miniaturization. The ... | 07/05/2011 |
| 7961063 | Balun signal transformer and method of forming A balanced-unbalanced (balun) signal transformer includes an unbalanced port, a balanced port coupled to the unbalanced port, the balanced port comprising a first terminal and a second terminal, a first capacitor coupled to the first terminal, a first inductor coupl... | 06/14/2011 |
| 7936234 | Marchand balun with air bridge A microwave or millimeter-wave balun is provided. The balun uses three edge-coupled lines along with a plurality of air bridges instead of two edge-coupled lines used in a conventional planar Marchand balun. The first edge-coupled line and the second edge-coupled li... | 05/03/2011 |
| 7924112 | Balun A balun includes a first, second, and third metallic layers, a first dielectric layer disposed between the second and third metallic layers, and a dielectric substrate. The second metallic layer includes a first spiral line having sequentially connected first line s... | 04/12/2011 |
| 7911292 | Mode transition between a planar line and a waveguide with a low loss RF substrate and a high loss low frequency substrate Provided is a mode transition circuit for transferring a RF signal and a transceiver module having the same. The mode transition circuit includes: a planar transmission line mounted at a RF substrate for receiving a RF signal from a RF signal generating unit; a via ... | 03/22/2011 |
| 7902939 | Stripline balun According to one embodiment, a balun includes one or more transformers configured to block DC power between a line and a device at microwave frequencies. The one or more transformers block DC power between the line and the device by electromagnetically coupling the ... | 03/08/2011 |
| 7884682 | Waveguide to microstrip transducer having a ridge waveguide and an impedance matching box When a microstrip line is connected with a waveguide, there is a limit to reducing the connection loss by using only a matching box. We have discovered that in a transmission mode line transducer for converting between the TEM waves of the microstrip line and the TE... | 02/08/2011 |
| 7880557 | Hybrid marchand/back-wave balun and double balanced mixer using same A hybrid Marchand/back-wave balun includes a first pair of coupled sections having a first primary section and first secondary section; a second pair of coupled sections having a second primary section and second secondary section; a first reactance interconnecting ... | 02/01/2011 |
| 7876172 | Balanced-unbalanced conversion element A balanced-unbalanced conversion element for realizing easy adjustment of a phase balance of two balanced signals is provided. The balanced-unbalanced conversion element includes a first ¼-wavelength resonant line coupled to a first balanced terminal, a second ¼-w... | 01/25/2011 |
| 7876171 | Balance-unbalance conversion element A balance-unbalance conversion element that easily adjusts the phase balance between two balance signals. The balance-unbalance conversion element includes a dielectric substrate and an electrode pattern on a surface of the dielectric substrate. The electrode patter... | 01/25/2011 |
| 7855612 | Direct coaxial interface for circuits In general, in accordance with an exemplary aspect of the present invention, a low-loss interface for connecting an integrated circuit such as a monolithic microwave integrated circuit to an energy transmission device such as a waveguide is disclosed. In one exempla... | 12/21/2010 |
| 7855613 | Communication transceiver having a three-line balun with power amplifier bias A balun that includes a first conductor, a second conductor, and a third conductor. The first conductor has a first length. The first conductor also has a first end connected to a first balanced power amplifier output port. The second conductor has substantially the... | 12/21/2010 |
| 7839232 | Broadband transmission line transformer A broadband transmission line impedance transformer performs impedance transformation with improved frequency response and efficiency across a wide operational bandwidth. In particular, the bandwidth of a transmission line 2:1 impedance transformer may be significan... | 11/23/2010 |
| 7812686 | Adjustable low-loss interface In general, in accordance with an exemplary aspect of the present invention, a low-loss interface for connecting an integrated circuit such as a monolithic microwave integrated circuit to an energy transmission device such as a waveguide is disclosed. The interface ... | 10/12/2010 |
| 7786821 | Compact end launch transition including a body with an antenna and an electrical connector A compact end launch transition for providing a connection between a housing having an electrical terminator and a waveguide component and associated method are described. The transition includes a having a rear side presenting a substantially flat surface to abut t... | 08/31/2010 |
| 7772941 | Ultra-wideband/dualband broadside-coupled coplanar stripline balun A balun comprises at least two asymmetric coplanar striplines, a first of the striplines coupled to a signal input, and a second of the striplines coupled to a signal output, the at least two asymmetric coplanar striplines configured in a Marchand architecture to re... | 08/10/2010 |
| 7755447 | Multilayer balun, hybrid integrated circuit module, and multilayer substrate A multilayer balun comprises first and second transmission lines that constitute a half-wave transmission line are opposed in adjacent layers, with a dielectric substance therebetween, so that, during use, the current of the first transmission line and the current o... | 07/13/2010 |
| 7750755 | Transmission line transition A transmission line transition for coupling electromagnetic energy between different transmission lines includes first and second dielectric substrates laminated to each other and a waveguide tube attached to the first dielectric substrate. The laminated dielectric ... | 07/06/2010 |
| 7746191 | Waveguide to microstrip line transition having a conductive footprint for providing a contact free element The present invention relates to an element of transition between a waveguide and a transition line on a substrate. The element of transition comprises a securing flange on the substrate, the flange being dimensioned so that at least, in the direction microstrip lin... | 06/29/2010 |
| 7719381 | Transmission line balun for broadband combiners, splitters and transformers A transmission line balun comprising a tubular ferrite having a longitudinal passageway concentrically positioned over a conductive sleeve having a longitudinal passageway. The end of a coax feeder is positioned in the longitudinal passageway of the sleeve and the s... | 05/18/2010 |