Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| RE43266 | Rotary attenuator and method of making it An attenuator includes a housing defining an interior, a front, a rear, and a rotor mounted between front and rear for rotation within housing about an axis of the rotor. First electrical contacts are provided on the housing. Second electrical contacts are provided ... | 03/27/2012 |
| 7855615 | Frequency adaptive temperature variable attenuator A temperature-dependent attenuator including one or more temperature-dependent resistors disposed in series with a transmission line and an inductive element shunting at least one of the temperature-dependent resistors. ... | 12/21/2010 |
| 7852171 | Filter-attenuator chip device A microchip device is disclosed that combines a signal attenuator and a frequency filter. An embodiment of the device includes an input contact, an output contact, and a ground contact formed on the surface of a substrate. Resistive elements formed on the substrate ... | 12/14/2010 |
| 7629861 | Temperature compensation attenuator A temperature compensation attenuator comprising: a base; a first film thermistor having two edges, a second film thermistor having a first edge, a second edge; and a third edge; an input terminal; an output terminal and a ground terminal; wherein the first film the... | 12/08/2009 |
| 7554420 | High-frequency element An element includes a member to be soldered, a first member having a firs path for receiving the member, and a second member having a second path for receiving the member. The second member is made of a material that has a soldering ability higher than that of the f... | 06/30/2009 |
| 7532086 | Digital attenuation apparatus having ultra broadband and excellent attenuation characteristics Provided is a digital attenuation apparatus having ultra broadband and excellent attenuation characteristics. The digital attenuation apparatus includes an input port, an output port, a first transmission line, a second transmission line, a first switching device, a... | 05/12/2009 |
| 7492235 | Transmission line transistor attenuator An attenuator has an input adapted to receive a signal to be attenuated, and an output adapted to output an attenuated signal, and a shunt transmission line transistor having a gate transmission line adapted to receive an attenuator control voltage, a source configu... | 02/17/2009 |
| 7453329 | Variable attenuator and integrated circuit In a variable attenuator attenuating a signal inputted to an input terminal from a plurality of transmission lines connected in series between the input terminal and an output terminal and outputting the signal from the output terminal, first and second resistance e... | 11/18/2008 |
| 7408424 | Compact RF circuit with high common mode attenuation A compact RF differential circuit has a first differential I/O port comprising a first pair of signal carrying terminals which is connected to a source termination and a second differential I/O port comprising a second pair of signal carrying terminals which is conn... | 08/05/2008 |
| 7385456 | Power absorber system and method According to one embodiment of the invention, a power absorber for receiving a signal having a fundamental frequency includes an input node for receiving the signal and a first PIN diode circuit having a first end electrically connected at the input node and a secon... | 06/10/2008 |
| 7362196 | Temperature compensation attenuator This specification discloses a temperature compensation attenuator comprising a base 6, a film thermistor 1 disposed on the base 6, an input terminal 3 and an output terminal 4 which are connected to the two ends of the film thermi... | 04/22/2008 |
| 7339527 | Controllable antenna arrangement An antenna (11) includes a patch antenna element (22) capacitively coupled to a load patch (27). A switch (33) connects the load patch (27) to one of one or more strip lines (35, 37, 40), each of which has a different length... | 03/04/2008 |
| 7340229 | High frequency amplification circuit and mobile communication terminal using the same A gain control circuit 12 comprises an FET 41 operating as a variable resistor. A gate terminal of the FET 41 is supplied with a control voltage VC applied to a gain control terminal 23. A source terminal and a drain terminal of the FET | 03/04/2008 |
| 7301419 | Filtering type frequency switching circuit Two lines Ai1 (i=1 or 2) are connected to an input terminal In. The line Ai1 is grounded via a capacitor Ci1. The line Ai1 and a line Bi1 form a coupled line. One end of the line Bi1 is connected to a pos... | 11/27/2007 |
| 7294853 | Substrate for mounting a semiconductor A substrate (1) is formed from a non-electrically conducting material and is for mounting a semiconductor chip (10). The substrate has a semiconductor chip mounting portion (6). A number of first electrically conducting contact portions (5 | 11/13/2007 |
| 7283020 | Signal extracting arrangement A base station in a mobile communication network, includes at least one transmission line for transmitting a radio frequency signal. Each transmission line includes a coupling hole. A two-port coupled line includes one or more coupling holes. Each transmission line ... | 10/16/2007 |
| 7276989 | Attenuator circuit comprising a plurality of quarter wave transformers and lump element resistors A microwave attenuator circuit is disclosed, including a combination of a plurality of quarter wave transformers and a plurality of resistive elements. ... | 10/02/2007 |
| 7274272 | Microwave variable attenuator The present invention relates to a microwave variable attenuator variably attenuating while maintaining a matching state. The microwave variable attenuator includes: an input terminal for inputting a microwave signal; an output terminal for outputting a microwave si... | 09/25/2007 |
| 7271682 | Wideband temperature-variable attenuator The present invention is a wideband temperature-dependent attenuator. In a preferred embodiment the attenuator is a modified Tee attenuator having first and second resistors connected in series at a first node and third and fourth resistors connected in shunt betwee... | 09/18/2007 |
| 7268642 | Universal switch A dimensionally flexible sparse matrix comprising multiple ports connected to a plurality of interconnected universal switches is disclosed. Each universal switch has at least three terminals and is switchable to connect any pair or all three terminals together. The... | 09/11/2007 |
| 7245170 | Attenuator and portable telephone terminal apparatus using the same Provided are: at least one or more series variable resistors implemented by field effect transistors connected to a signal line A; and at least one or more shunt variable resistors implemented by field effect transistors connected between a signal outputting section... | 07/17/2007 |
| 7230467 | Constant edge generation circuits and methods and systems using the same A circuit for generating stable signal edges includes an output driver circuit having a current path for varying a charge on a capacitor in response to an input signal and constant current generation circuitry for maintaining a constant current through the current p... | 06/12/2007 |
| 7215219 | Temperature and frequency variable gain attenuator A temperature and frequency variable gain attenuator comprises a temperature variable attenuator and a temperature variable filter network whose resistances changed to c generate different responses that vary over temperature and frequency. At least three different ... | 05/08/2007 |
| 7212079 | Attenuation or termination element having a coaxial structure for radio frequency electromagnetic waves The invention relates to an attenuation or termination element comprising at least one resistance part which is mounted in an outer conductor and has at least one connection to an inner conductor part. The resistance part is produced from at least two separately pro... | 05/01/2007 |
| 7205863 | Temperature and frequency equalizer The present invention is an absorptive-type cable temperature and frequency equalizer that offsets changes in the gain of the other circuit components cables with increases in temperature and/or frequency. The equalizer comprises a temperature variable filter networ... | 04/17/2007 |
| 7205817 | Analog control integrated FET based variable attenuators Analog control integrated FET based variable resistors and attenuators using the variable resistors having a wide range of monotonic and substantially linear attenuation with control voltage for use in circuits having AC signals of AC signal frequencies. The variabl... | 04/17/2007 |
| 7202759 | Wideband temperature-variable attenuator An absorptive temperature-variable microwave attenuator is produced using a first plurality of shunt resistors separated by quarter-wave transmission lines connected by a series resistor with a second plurality of shunt resistors separated by quarter-wave transmissi... | 04/10/2007 |
| 7183873 | Tapered thickness broadband matching transformer An impedance matching transformer is disclosed. The transformer includes a conductive ground plane and a dielectric substrate disposed upon the conductive ground plane. The dielectric substrate has a first end and a second end. The dielectric substrate may be of a u... | 02/27/2007 |
| 7184731 | Variable attenuator system and method A variable attenuator comprising a first attenuator for attenuating a RF signal according to a fixed voltage, a second attenuator connected in parallel to the first attenuator and attenuating the RF signal according to a control voltage for determining an attenuatio... | 02/27/2007 |
| 7161244 | Microwave device for dissipating or attenuating power The present invention relates to a microwave device for at least one of dissipating and attenuating power, the device comprising: an insulating substrate; at least one conductive strip of a microwave transmission l... | 01/09/2007 |
| 7151918 | Low reflection limiter and transmitting/receiving module utilizing same A transmitting/receiving module includes a first amplifier for amplifying a transmission signal, a second amplifier for amplifying a receiving signal, and a low reflection limiter provided on an input side of said second amplifier. There may be further provided a ra... | 12/19/2006 |
| 7135717 | Semiconductor switches and switching circuits for microwave The purpose of the present invention is to provide a small-sized switch attaining high isolation of not less than 80 dB, maintaining low insertion loss also in high frequencies not less than 60 GHz. A semiconductor switch according to the present invention utilizes ... | 11/14/2006 |
| 7128604 | High power coaxial interconnect A blindmate interconnect coaxial connector includes a center conductor, a thermally-conductive dielectric surrounding the center conductor, and an outer tubular conductor surrounding the dielectric. The dielectric transfers heat from the center conductor to the oute... | 10/31/2006 |
| 7119632 | High-frequency temperature-variable attenuator An absorptive temperature-variable microwave attenuator is produced using at least two temperature-variable (or fixed) resistors in series with a transmission line. The temperature coefficients of the temperature-variable resistors are selected so that the attenuato... | 10/10/2006 |
| 7098755 | High power, high linearity and low insertion loss single pole double throw transmitter/receiver switch A high performance single-pole-double-throw (SPDT) Transmitter/Receiver (T/R) FET switch utilizes a plurality of multi-gate FETs in series to realize low insertion loss, low harmonic distortion and high power handling capabilities. The SPDT switch consists of an ant... | 08/29/2006 |
| 7039942 | Pad adjustable equalizer for two way cable transmission A forward signal equalizer for a forward amplifier for two-way coaxial cable systems, of the type having a distribution center distributing forward signals, and having reception facilities for receiving return signals from said cable system, the system having forwar... | 05/02/2006 |
| 7034544 | Methods for minimizing the impedance discontinuity between a conductive trace and a component and structures formed thereby Methods and apparatus that minimize the impedance discontinuity between a component and a signal trace is described. The methods and apparatus generally comprise at least one signal trace disposed on a dielectric layer, wherein the signal trace comprises a first wid... | 04/25/2006 |
| 7023294 | System and a method for reducing tilt effects in a radio frequency attenuator A system for reducing tilt effects in a radio frequency (RF) attenuator includes an RF attenuator having at least one series diode, and at least one shunt branch including at least one shunt diode, the shunt branch being electrically coupled to the series diode, and... | 04/04/2006 |
| 7023601 | Optical E-field modulation using a Mach-Zehnder interferometer A method for modulating the E-field of an optical carrier signal utilizes a Mach-Zehnder modulator having a pair of independently controllable branches. A pair of independent branch drive signals VL(t) and VR(t) are derived. Each branch of the ... | 04/04/2006 |
| 7015709 | Ultra-broadband differential voltage probes Passive balanced probes are disclosed for use with a signal analysis device. The probes are very low cost relative to typical commercially available probes and provide an extremely flat response over a frequency range of approximately 0 to at least 1.5 gigahertz. Th... | 03/21/2006 |
