| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 333022000 | DISSIPATING TERMINATIONS FOR LONG LINES | 20 |
| 20080204172 | TERMINATION CIRCUIT, VEHICLE-MOUNTED CONTROL APPARATUS, AND VEHICLE-MOUNTED COMMUNICATION SYSTEM - The termination circuit for use in a transmission line to transmit a differential signal includes a first series circuit of a resistive element and an inductive element connected between one of two signal wires of the transmission line and a reference potential, and a second series circuit of a resistive element and an inductive element connected between the other of the signal wires and the reference potential. The inductive elements of the first and second series circuits are magnetically coupled such that they generate magnetic fields having such directions as to reinforce each other when a common-mode signal flows along the transmission line, and generate magnetic fields having such directions as to weaken each other when a differential-mode signal flows along the transmission line. | 08-28-2008 |
| 20080315975 | SIGNAL TRANSMISSION CIRCUIT, IC PACKAGE, AND MOUNTING BOARD - Provided is a signal transmission circuit capable of realizing the same effects as those in a conventional manner that employs a complicated circuit by using no complicated circuit, that is, by a simple circuit. The signal transmission circuit includes: a transmission path having a first impedance; a terminating resistor having a predetermined resistance; a transmission path having a second impedance, which is connected to the transmission path and the terminating resistor, the second impedance being higher than both of the first impedance and the predetermined resistance; and an input buffer for receiving a signal at a connection portion of the transmission path and the transmission path. | 12-25-2008 |
| 20090108963 | Integral variable termination for alarm system devices - Disclosed is a system for quickly and easily installing end-of-line termination devices at the end of alarm system signal circuits. The termination devices in this invention are both variable and integral to the housing of the alarm system devices. Each alarm system device is constructed with a receptacle at the point of protection, in which may be placed a cartridge, jumper, or similar device on-site to terminate the communication signal. The various embodiments of the invention include a set of devices at discrete values or a variable device to complete each protection loop. | 04-30-2009 |
| 20090134959 | HF TERMINATING RESISTOR HAVING A PLANAR LAYER STRUCTURE - The invention relates to an HF terminating resistor having a planar layer structure which, on a substrate ( | 05-28-2009 |
| 20090174507 | ON-DIE TERMINATION CIRCUIT - Methods and apparatuses to terminate transmission lines using voltage limiters. In one aspect, a termination circuit is integrated on a substrate to terminate a transmission line connected from outside the substrate. The termination circuit includes: a port to interface with the transmission line; a first resistive path including a first voltage limiter coupled between the port and a first power supply voltage provided on the substrate resistive path; and a second resistive path including a second voltage limiter coupled between the port and a second power supply voltage provided on the substrate. | 07-09-2009 |
| 20100134214 | TERMINAL RESISTANCE DEVICE, SEMICONDUCTOR DEVICE, AND CONTROL METHOD FOR TERMINAL RESISTANCE - One aspect of the invention is a terminal resistance device including a variable terminal resistance unit including a plurality of first terminal resistance elements connectable to a transmission path and a terminal resistance control unit that transmits a first control signal of a thermometer code to the variable terminal resistance unit. The first terminal resistance elements have the same resistance value and the first control signal is a signal for selecting the first terminal resistance elements to be connected to the transmission path. | 06-03-2010 |
| 20100188175 | DATA TRANSMISSION SYSTEM AND METHOD, AND ELECTRONIC APPARATUS PROVIDED WITH SAME DATA TRANSMISSION SYSTEM - A data transmission system includes a transmitter including a drive unit outputting complementary signals to first and second transmission lines according to data for transmission, and a receptor including first and second termination resistors, and a receiver circuit. One ends of the first and second termination resistors are respectively connected to first and second nodes that are connected to first and second transmission lines and other ends of the first and second termination resistors are connected in common to a third node. The receiver circuit supplies a current to the third node and outputs received data corresponding to data for transmission, in accordance with a potential difference between the first and second nodes. | 07-29-2010 |
| 20100301972 | SELF-TERMINATING COAXIAL CABLE PORT - A circuit for automatically terminating a user port in a coaxial cable system includes a signal path extending from a user-side port toward a supplier-side port, the signal path including a conductor and a ground. The user-side port is adapted to connect to a user device. The circuit further includes a passive signal sampler coupled to the signal path, and a comparator element in communication with the passive signal sampler. The comparator is adapted to compare a line signal on the signal path to a reference signal and generate an output. A switch disposed in the signal path has a first state for terminating the line signal and a second state for passing the line signal. The first state and the second state are responsive to the output generated from the comparator. | 12-02-2010 |
| 20100308940 | High Frequency Wiring Board, Package for Housing Electronic Component, Electronic Device, and Communication Apparatus - A high frequency wiring board includes a dielectric substrate, a line conductor for high frequency signal transmission formed on a first surface of the dielectric substrate from a connection end to an end, a ground conductor which is disposed aligned with one side of the line conductor with a distance therebetween, and is disposed so as to cross over a hypothetical extension line extending from the end in parallel with a line direction of the line conductor, and a terminating resistor configured to electrically connect an end portion of the line conductor and the ground conductor. | 12-09-2010 |
| 20110090027 | STRIPLINE TERMINATION CIRCUIT HAVING RESONATORS - A technique of realizing a termination circuit using coupled resonators in stripline configuration of a circuit presented. The circuit absorbs RF energy incident on its input over a frequency band of interest, and dissipates it in to the dielectric substrate, thereby acting like an effective termination in the frequency band. The resonant elements may be constructed in edge-coupled or broad-side coupled stripline configuration. The technique may be extended to build microstrip line termination with edge-coupled resonators. The technique may further be extended to realize attenuators over a narrow band. | 04-21-2011 |
| 20110121921 | TRANSMISSION SYSTEM - A transmission system transmits a signal from a transmission terminal to a reception terminal via a pair of transmission lines. The transmission terminal side of the transmission lines is connected to a first resistor having a predetermined resistance value depending on the characteristic impedance of the transmission lines. | 05-26-2011 |
| 20110128098 | TERMINATION CIRCUIT, SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE - The termination circuit includes first and second resistance circuits and is connected to a transmission line. The first resistance circuit is disposed on at least one of a pull-up side, which is between the transmission line and a power source, and a pull-down side, which is between the transmission line and ground, and has a negative property, by which an increase in an applied voltage decreases a resistance value of the first resistance circuit. The second resistance circuit is connected in parallel to the first resistance circuit. The second resistance circuit has a positive property, by which an increase in the applied voltage increases a resistance value of the second resistance circuit. | 06-02-2011 |
| 20110128099 | STRIPLINE HAVING PLATED THROUGH-CONTACTS - The invention relates to a stripe line for high-frequency signals, having a signal conductor ( | 06-02-2011 |
| 20120086525 | UNSHIELDED TWISTED PAIR TERMINATION CIRCUIT - Unshielded twisted pair (UTP) termination circuits, UTP termination circuit systems, and methods of terminating an UTP circuit are provided. UTP termination circuits can include a plurality of resistors in parallel, where each of the plurality of resistors is configured to be coupled to one of a plurality of unshielded twisted pairs of an UTP cable, a shunt resistor is coupled in series with the plurality of parallel resistors, and a capacitor is connected to ground in series with the shunt resistor. | 04-12-2012 |
| 20120299669 | HIGH-VOLTAGE WIDEBAND PULSE LOAD - A high-voltage wideband pulse load is provided. The high-voltage wideband pulse load includes an internal line, a dielectric substance, and an external housing. The internal line includes input terminal, connection electrode and a rod resistor. The resistance of the internal line linearly increases along the moving direction of an incoming pulse by the rod resistor. The dielectric substance is coupled to the internal line in a coaxial structure which covers the exterior of the internal line, and is configured to have a shape of a non-linearly decreasing external diameter along the moving direction so that impedance linearly decreases along the moving direction in contrast with the resistance of the internal line. The external housing is coupled to the dielectric substance in a coaxial structure which covers the exterior of the dielectric substance, and is formed of metal. | 11-29-2012 |
| 20130015926 | NOISE SUPPRESSION STRUCTUREAANM Nakase; KoichiroAACI TokyoAACO JPAAGP Nakase; Koichiro Tokyo JPAANM Hankui; EijiAACI TokyoAACO JPAAGP Hankui; Eiji Tokyo JP - A noise suppression structure for suppressing an undesired high-frequency current in a transmission line (i.e. a sleeve) of a short-circuited termination type includes a conductor base encompassing the periphery of the transmission line and a conductor short-circuiting part which is connected to the transmission line at the opposite side to an open end of the conductor base and whose inductance is greater than that of the conductor base. It is possible to increase an inductance by modifying the shape of the terminal end of the sleeve, equivalent to a quarter wavelength of an undesired high-frequency current which occurs in a wireless circuit of a mobile wireless terminal and flows through a ground layer, thus reducing the entire length and realizing miniaturization while securing desired input impedance. | 01-17-2013 |
| 20140077901 | COMPACT WAVEGUIDE TERMINATION - Provided is a compact waveguide termination including: a waveguide, a termination coupled with the waveguide and formed with a groove, and a thin film resistor part coupled with the groove and configured to attenuate an input signal at a central region of the waveguide, thereby improving frequency performance. | 03-20-2014 |
| 20150070109 | ISOTHERMAL TERMINATOR AND METHOD FOR DETERMINING SHAPE OF ISOTHERMAL TERMINATOR - An isothermal terminator system is provided. The isothermal terminator includes a waveguide formed to define a propagation channel through which electro-magnetic (EM) radiation is directed and a terminator including a body having an exterior surface and an interior surface opposite the exterior surface. The terminator is disposed in the propagation channel such that the EM radiation is incident on the exterior surface to raise a temperature of the body. The body is substantially isothermal with the EM radiation incident on the exterior surface. | 03-12-2015 |
| 20160164156 | Long-Distance High-Speed Data and Clock Transmission - A non-linear impedance terminates a transmission line. The non-linear impedance may be implemented with a back-to-back connected inverter pair. The pair acts as a non-linear resistor. A process, voltage, temperature (PVT) tracking circuit may also be provided to improve PVT tracking, with resistance of transistors locked to a calibrated resistor. The replica circuit does not appear in the signal path, and does not add capacitive load. | 06-09-2016 |
| 20110175690 | HIGH POWER, LOW-PASSIVE INTERMODULATION MICROWAVE TERMINATION - A termination configured to absorb high microwave power while generating low levels of passive intermodulation interference. The termination includes a microwave cable having a first end and a second end providing an insertion loss from the first end to the second end, a heat-dispersive element in thermal contact with at least a portion of the microwave cable, a channel accommodating the microwave cable, and an input connector coupled to the proximal end of the microwave cable. Optionally, one or more plates having grooves to accommodate the microwave cable may be provided between the heat-dispersive elements. | 07-21-2011 |
| 333022000 | Fluid-cooling | 1 |
| 20080204172 | TERMINATION CIRCUIT, VEHICLE-MOUNTED CONTROL APPARATUS, AND VEHICLE-MOUNTED COMMUNICATION SYSTEM - The termination circuit for use in a transmission line to transmit a differential signal includes a first series circuit of a resistive element and an inductive element connected between one of two signal wires of the transmission line and a reference potential, and a second series circuit of a resistive element and an inductive element connected between the other of the signal wires and the reference potential. The inductive elements of the first and second series circuits are magnetically coupled such that they generate magnetic fields having such directions as to reinforce each other when a common-mode signal flows along the transmission line, and generate magnetic fields having such directions as to weaken each other when a differential-mode signal flows along the transmission line. | 08-28-2008 |
| 20080315975 | SIGNAL TRANSMISSION CIRCUIT, IC PACKAGE, AND MOUNTING BOARD - Provided is a signal transmission circuit capable of realizing the same effects as those in a conventional manner that employs a complicated circuit by using no complicated circuit, that is, by a simple circuit. The signal transmission circuit includes: a transmission path having a first impedance; a terminating resistor having a predetermined resistance; a transmission path having a second impedance, which is connected to the transmission path and the terminating resistor, the second impedance being higher than both of the first impedance and the predetermined resistance; and an input buffer for receiving a signal at a connection portion of the transmission path and the transmission path. | 12-25-2008 |
| 20090108963 | Integral variable termination for alarm system devices - Disclosed is a system for quickly and easily installing end-of-line termination devices at the end of alarm system signal circuits. The termination devices in this invention are both variable and integral to the housing of the alarm system devices. Each alarm system device is constructed with a receptacle at the point of protection, in which may be placed a cartridge, jumper, or similar device on-site to terminate the communication signal. The various embodiments of the invention include a set of devices at discrete values or a variable device to complete each protection loop. | 04-30-2009 |
| 20090134959 | HF TERMINATING RESISTOR HAVING A PLANAR LAYER STRUCTURE - The invention relates to an HF terminating resistor having a planar layer structure which, on a substrate ( | 05-28-2009 |
| 20090174507 | ON-DIE TERMINATION CIRCUIT - Methods and apparatuses to terminate transmission lines using voltage limiters. In one aspect, a termination circuit is integrated on a substrate to terminate a transmission line connected from outside the substrate. The termination circuit includes: a port to interface with the transmission line; a first resistive path including a first voltage limiter coupled between the port and a first power supply voltage provided on the substrate resistive path; and a second resistive path including a second voltage limiter coupled between the port and a second power supply voltage provided on the substrate. | 07-09-2009 |
| 20100134214 | TERMINAL RESISTANCE DEVICE, SEMICONDUCTOR DEVICE, AND CONTROL METHOD FOR TERMINAL RESISTANCE - One aspect of the invention is a terminal resistance device including a variable terminal resistance unit including a plurality of first terminal resistance elements connectable to a transmission path and a terminal resistance control unit that transmits a first control signal of a thermometer code to the variable terminal resistance unit. The first terminal resistance elements have the same resistance value and the first control signal is a signal for selecting the first terminal resistance elements to be connected to the transmission path. | 06-03-2010 |
| 20100188175 | DATA TRANSMISSION SYSTEM AND METHOD, AND ELECTRONIC APPARATUS PROVIDED WITH SAME DATA TRANSMISSION SYSTEM - A data transmission system includes a transmitter including a drive unit outputting complementary signals to first and second transmission lines according to data for transmission, and a receptor including first and second termination resistors, and a receiver circuit. One ends of the first and second termination resistors are respectively connected to first and second nodes that are connected to first and second transmission lines and other ends of the first and second termination resistors are connected in common to a third node. The receiver circuit supplies a current to the third node and outputs received data corresponding to data for transmission, in accordance with a potential difference between the first and second nodes. | 07-29-2010 |
| 20100301972 | SELF-TERMINATING COAXIAL CABLE PORT - A circuit for automatically terminating a user port in a coaxial cable system includes a signal path extending from a user-side port toward a supplier-side port, the signal path including a conductor and a ground. The user-side port is adapted to connect to a user device. The circuit further includes a passive signal sampler coupled to the signal path, and a comparator element in communication with the passive signal sampler. The comparator is adapted to compare a line signal on the signal path to a reference signal and generate an output. A switch disposed in the signal path has a first state for terminating the line signal and a second state for passing the line signal. The first state and the second state are responsive to the output generated from the comparator. | 12-02-2010 |
| 20100308940 | High Frequency Wiring Board, Package for Housing Electronic Component, Electronic Device, and Communication Apparatus - A high frequency wiring board includes a dielectric substrate, a line conductor for high frequency signal transmission formed on a first surface of the dielectric substrate from a connection end to an end, a ground conductor which is disposed aligned with one side of the line conductor with a distance therebetween, and is disposed so as to cross over a hypothetical extension line extending from the end in parallel with a line direction of the line conductor, and a terminating resistor configured to electrically connect an end portion of the line conductor and the ground conductor. | 12-09-2010 |
| 20110090027 | STRIPLINE TERMINATION CIRCUIT HAVING RESONATORS - A technique of realizing a termination circuit using coupled resonators in stripline configuration of a circuit presented. The circuit absorbs RF energy incident on its input over a frequency band of interest, and dissipates it in to the dielectric substrate, thereby acting like an effective termination in the frequency band. The resonant elements may be constructed in edge-coupled or broad-side coupled stripline configuration. The technique may be extended to build microstrip line termination with edge-coupled resonators. The technique may further be extended to realize attenuators over a narrow band. | 04-21-2011 |
| 20110121921 | TRANSMISSION SYSTEM - A transmission system transmits a signal from a transmission terminal to a reception terminal via a pair of transmission lines. The transmission terminal side of the transmission lines is connected to a first resistor having a predetermined resistance value depending on the characteristic impedance of the transmission lines. | 05-26-2011 |
| 20110128098 | TERMINATION CIRCUIT, SEMICONDUCTOR DEVICE, AND ELECTRONIC DEVICE - The termination circuit includes first and second resistance circuits and is connected to a transmission line. The first resistance circuit is disposed on at least one of a pull-up side, which is between the transmission line and a power source, and a pull-down side, which is between the transmission line and ground, and has a negative property, by which an increase in an applied voltage decreases a resistance value of the first resistance circuit. The second resistance circuit is connected in parallel to the first resistance circuit. The second resistance circuit has a positive property, by which an increase in the applied voltage increases a resistance value of the second resistance circuit. | 06-02-2011 |
| 20110128099 | STRIPLINE HAVING PLATED THROUGH-CONTACTS - The invention relates to a stripe line for high-frequency signals, having a signal conductor ( | 06-02-2011 |
| 20120086525 | UNSHIELDED TWISTED PAIR TERMINATION CIRCUIT - Unshielded twisted pair (UTP) termination circuits, UTP termination circuit systems, and methods of terminating an UTP circuit are provided. UTP termination circuits can include a plurality of resistors in parallel, where each of the plurality of resistors is configured to be coupled to one of a plurality of unshielded twisted pairs of an UTP cable, a shunt resistor is coupled in series with the plurality of parallel resistors, and a capacitor is connected to ground in series with the shunt resistor. | 04-12-2012 |
| 20120299669 | HIGH-VOLTAGE WIDEBAND PULSE LOAD - A high-voltage wideband pulse load is provided. The high-voltage wideband pulse load includes an internal line, a dielectric substance, and an external housing. The internal line includes input terminal, connection electrode and a rod resistor. The resistance of the internal line linearly increases along the moving direction of an incoming pulse by the rod resistor. The dielectric substance is coupled to the internal line in a coaxial structure which covers the exterior of the internal line, and is configured to have a shape of a non-linearly decreasing external diameter along the moving direction so that impedance linearly decreases along the moving direction in contrast with the resistance of the internal line. The external housing is coupled to the dielectric substance in a coaxial structure which covers the exterior of the dielectric substance, and is formed of metal. | 11-29-2012 |
| 20130015926 | NOISE SUPPRESSION STRUCTUREAANM Nakase; KoichiroAACI TokyoAACO JPAAGP Nakase; Koichiro Tokyo JPAANM Hankui; EijiAACI TokyoAACO JPAAGP Hankui; Eiji Tokyo JP - A noise suppression structure for suppressing an undesired high-frequency current in a transmission line (i.e. a sleeve) of a short-circuited termination type includes a conductor base encompassing the periphery of the transmission line and a conductor short-circuiting part which is connected to the transmission line at the opposite side to an open end of the conductor base and whose inductance is greater than that of the conductor base. It is possible to increase an inductance by modifying the shape of the terminal end of the sleeve, equivalent to a quarter wavelength of an undesired high-frequency current which occurs in a wireless circuit of a mobile wireless terminal and flows through a ground layer, thus reducing the entire length and realizing miniaturization while securing desired input impedance. | 01-17-2013 |
| 20140077901 | COMPACT WAVEGUIDE TERMINATION - Provided is a compact waveguide termination including: a waveguide, a termination coupled with the waveguide and formed with a groove, and a thin film resistor part coupled with the groove and configured to attenuate an input signal at a central region of the waveguide, thereby improving frequency performance. | 03-20-2014 |
| 20150070109 | ISOTHERMAL TERMINATOR AND METHOD FOR DETERMINING SHAPE OF ISOTHERMAL TERMINATOR - An isothermal terminator system is provided. The isothermal terminator includes a waveguide formed to define a propagation channel through which electro-magnetic (EM) radiation is directed and a terminator including a body having an exterior surface and an interior surface opposite the exterior surface. The terminator is disposed in the propagation channel such that the EM radiation is incident on the exterior surface to raise a temperature of the body. The body is substantially isothermal with the EM radiation incident on the exterior surface. | 03-12-2015 |
| 20160164156 | Long-Distance High-Speed Data and Clock Transmission - A non-linear impedance terminates a transmission line. The non-linear impedance may be implemented with a back-to-back connected inverter pair. The pair acts as a non-linear resistor. A process, voltage, temperature (PVT) tracking circuit may also be provided to improve PVT tracking, with resistance of transistors locked to a calibrated resistor. The replica circuit does not appear in the signal path, and does not add capacitive load. | 06-09-2016 |
| 20110175690 | HIGH POWER, LOW-PASSIVE INTERMODULATION MICROWAVE TERMINATION - A termination configured to absorb high microwave power while generating low levels of passive intermodulation interference. The termination includes a microwave cable having a first end and a second end providing an insertion loss from the first end to the second end, a heat-dispersive element in thermal contact with at least a portion of the microwave cable, a channel accommodating the microwave cable, and an input connector coupled to the proximal end of the microwave cable. Optionally, one or more plates having grooves to accommodate the microwave cable may be provided between the heat-dispersive elements. | 07-21-2011 |
