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 |
| 8169763 | Transient blocking unit having an enhancement mode device in the primary current path A transient blocking unit (TBU) is a circuit having series-connected transistors that normally conduct current, but automatically switch to a high-impedance current blocking state in response to an over-current condition. Here enhancement mode devices are used in th... | 05/01/2012 |
| 7978455 | Adaptive transient blocking unit A variable trip limit transient blocking unit (TBU) is provided. The variable trip limit transient blocking unit circuit includes a transient blocking unit and a low-pass filter, such as an RC circuit having an RC time constant. The RC circuit is disposed to approxi... | 07/12/2011 |
| 7974061 | Common gate connected high voltage transient blocking unit When a series protective element such as a transient blocking unit (TBU) is used in combination with a shunt protective element such as a gas discharge tube (GDT), firing of the GDT can cause a transient having the potential to damage the TBU. This problem can be al... | 07/05/2011 |
| 7768761 | Surge protection device An electrical surge protection device (12) confers protection to an output node (13) from electrical surges on a data or power line (10) incident on an input node (11). A transistorized surge protection device (18) is located in a ... | 08/03/2010 |
| 7646576 | Apparatus and method for high-voltage transient blocking using low voltage elements An apparatus and method for high-voltage transient blocking employing a transient blocking unit (TBU) that has at least one depletion mode n-channel device interconnected with at least one depletion mode p-channel device such that a transient alters a bias voltage V... | 01/12/2010 |
| 7616418 | Mitigation of current collapse in transient blocking units A transient blocking unit (TBU) includes at least two depletion mode transistors connected to each other such that they can rapidly switch from a normal low-impedance state to a high-impedance current blocking state in response to an over-voltage or over-current con... | 11/10/2009 |
| 7576962 | Transient blocking apparatus with reset A method and apparatus for transient blocking relying on a transient blocking device and a sampling circuit. The transient blocking device has at least one depletion mode n-channel device interconnected with at least one depletion mode p-channel device such that a t... | 08/18/2009 |
| 7557394 | High-voltage transistor fabrication with trench etching technique A lateral high-voltage depletion-mode device structure in which fingers of semiconductor material are interdigitated with trench gates. Since the effective channel area is proportional to the depth of the trenches, a large amount of active channel area can be achiev... | 07/07/2009 |
| 7492566 | Low resistance transient blocking unit A transient blocking unit (TBU) having reduced series impedance is provided. A TBU includes two or more depletion mode transistors arranged to provide a low series impedance in normal operation and a high series impedance when the input current exceeds a predetermin... | 02/17/2009 |
| 7452224 | Clockspring sensor with locking clip and centering mechanism A clockspring device that includes an outer housing with a circumferential wall that defines a chamber. The circumferential wall includes a vertically-oriented track. A rotor having a keyway is configured to fit at least partially within the outer housing. A coil of... | 11/18/2008 |
| 7339370 | Position and torque sensor A sensor having a first array of N magnetic pole pairs, where N is a positive number, and a second array of M magnetic pole pairs, arranged substantially in parallel to the first array, where M is a positive number different from N, such as N−1 or N+1. A first mag... | 03/04/2008 |
| 7300203 | Non-contacting sensor multichip module with integral heat-sinks A sensor assembly having a housing including a first portion and a second portion. One of the portions of the housing includes a plurality of walls. The walls at least partially define a chamber. The assembly also includes a hinge connected to the first portion and ... | 11/27/2007 |
| 7205771 | Current-measuring circuit arrangement The circuit arrangement for measuring current flowing through a high-resistance consumer (R1) contains a current mirror circuit (1), in the first branch (T1) of which the high-resistance consumer is connected in series and in the second branch o... | 04/17/2007 |
| 6828517 | Position encoder A switching element for a rotary or linear encoder which generates pulse signals indicative of rotary or linear position, and direction and rate of change of such position. The invention is characterized by use of a patterned and cured solder-mask material which def... | 12/07/2004 |
| 6661354 | Potentiometer with embedded signal circuitry A potentiometer and logic circuitry attached to a common substrate. In one aspect the potentiometer and logic circuitry is an integrated potentiometer mounted on an upper surface of a circuit board with circuitry on a lower surface of the circuit board. T... | 12/09/2003 |
| 6548576 | Epoxy formulation adapted to be used in conjunction with no-lead solder in electronic components A one part, several-months-useful-shelf-life epoxy material suitable for potting and sealing electronic components, and which is compatible with the high, approximately 255° C. to 275° C. temperatures required for soldering modem lead-free solders compr... | 04/15/2003 |
| 6518873 | Variable resistive element A variable resistive element for use in a sensing unit for measuring liquid level in a container, through interaction with a sliding electrical contact operating in conjunction with a float, includes a conductor pattern deposited on a substrate. A region ... | 02/11/2003 |
| 6462677 | Encoder with embedded signal circuitry An integrated digital electronic encoder that converts mechanical movement of a device input into a signal that can be applied to particular purposes is described. The encoder and associated signal conditioning and processing circuitry are embedded togeth... | 10/08/2002 |
| 6429533 | Conductive polymer device and method of manufacturing same An electronic device includes a first conductive polymer layer sandwiched between a first external metal foil electrode and a first internal metal foil electrode, a second conductive polymer layer sandwiched between a second internal metal foil electrode ... | 08/06/2002 |
| 6380839 | Surface mount conductive polymer device A surface mount conductive polymer device includes a layer of conductive polymer material laminated between first and second metal foil electrodes. A thermal stress relief area is formed as an etched-out area in each of the electrodes. The etched-out area... | 04/30/2002 |
| 6327129 | Multi-stage surge protector with switch-grade fail-short mechanism A surge protector assembly may be provided with three terminals, a gas discharge tube having a first conductive end and a second conductive end opposite the first conductive end, a pair of metal oxide varistors conductively connected to the ends of the ga... | 12/04/2001 |
| 6249412 | Junction box with over-current protection A junction box includes an array of conductive polymer positive temperature coefficient (PTC) devices formed from a laminate of a layer of conductive polymer PTC material between first and second metal foil layers. The first foil layer is divided, by conv... | 06/19/2001 |
| 6248964 | Thick film on metal encoder element A switching element, specifically an encoder element, is fabricated by forming a conductive track on an insulative substrate, and then screen printing an insulative layer on the track in a predetermined pattern that forms a contact array that comprises a ... | 06/19/2001 |
| 6242997 | Conductive polymer device and method of manufacturing same An electronic device has three conductive polymer layers sandwiched between two external electrodes and two internal electrodes. The electrodes are staggered to create a first set of electrodes, in contact with a first terminal, alternating with a second ... | 06/05/2001 |
| 6236302 | Multilayer conductive polymer device and method of manufacturing same An electronic device includes two or more conductive polymer layers sandwiched between two external electrodes and one or more internal electrodes. A three layer device is manufactured by: (1) providing a first laminated substructure comprising a first po... | 05/22/2001 |
| 6228287 | Two-step process for preparing positive temperature coefficient polymer materials Positive temperature coefficient polymer (PTC) materials of high loading with uniformly distributed electrically conductive material are manufactured by first producing an intimate mixture (pre-mix or master batch) of a crystalline polymer (e. g. high den... | 05/08/2001 |
| 6172591 | Multilayer conductive polymer device and method of manufacturing same A conductive polymer device has three or more conductive polymer layers sandwiched between two external electrodes and two or more internal electrodes. The electrodes are staggered to create a first set of electrodes, in contact with a first terminal, alt... | 01/09/2001 |
| 6124781 | Conductive polymer PTC battery protection device and method of making same A battery protection device includes an upper foil electrode laminated to the upper surface of a conductive polymer PTC layer, and a lower foil electrode laminated to the lower surface of the PTC layer. An isolated portion of the lower electrode is formed... | 09/26/2000 |
| 6021050 | Printed circuit boards with integrated passive components and method for making same A multi-layered printed circuit board having a plurality of burried passive elements and a method for producing the circuit board wherein the passive elements can include resistors, capacitors and inductors. The method includes the steps of manufacturing ... | 02/01/2000 |
| 5923077 | Passive component integrated circuit chip A passive component integrated circuit chip formed on an insulative substrate includes a first conductive metallic layer on a major surface of the substrate; a layer of dielectric material on top of the first conductive metallic layer; a second conductive... | 07/13/1999 |
| 5889462 | Multilayer thick film surge resistor network A surge r or network comprises a substrate layer having a first thick film resistive element, a dielectric layer covering the first thick film resistive element and a second thick film resistive element applied to the dielectric layer. The dielectric laye... | 03/30/1999 |
| 5880683 | Absolute digital position encoder A method and apparatus to convert absolute angular or linear position to digital information utilizes a ternary coding scheme. The code is arranged along a single track. Sensors placed at essentially equal intervals distinguish three states per position. ... | 03/09/1999 |
| 5793274 | Surface mount fusing device A thermal fuse device for over-current protection includes a fusing element comprising a conductive strip having a fulcrum point between first and second ends. The fuse strip is connected to first and second terminal pads on a substrate by a first solder ... | 08/11/1998 |
| 5751230 | Digital input and control device An absolute position encoder converts absolute mechanical position to a digital output value. A single-track, rotary embodiment of the encoder includes several conductive pick-up segments that are symmetrically arranged along a circular pick-up track, wit... | 05/12/1998 |
| 5746626 | Electrical connector assembly An electrical connector assembly facilitates the establishment of an electrical connection with a terminal on an electrical component when the component and the connector assembly are brought toward each other with the connector assembly in a first orient... | 05/05/1998 |
| 5739775 | Digital input and control device An absolute position encoder converts absolute mechanical position to a digital output value. A single-track, rotary embodiment of the encoder includes several conductive pick-up segments that are symmetrically arranged along a circular pick-up track, wit... | 04/14/1998 |
| 5610436 | Surface mount device with compensation for thermal expansion effects A surface mount electronic device, attachable to a circuit board, comprises an insulating substrate having a top surface and a bottom surface; a plurality of metallized terminal pads on the bottom surface; and a plurality of leads, each attached to one of... | 03/11/1997 |
| 5466161 | Compliant stacking connector for printed circuit boards A device for electrically connecting the conductors on a first PC board to the conductors on a second PC board includes a housing having a mounting surface for mounting on the first board, an exposed surface opposite the mounting surface, and a pair of op... | 11/14/1995 |
| 5438172 | Zero backlash position encoder In an electronic position encoder (or other panel control) of the type having a shaft-retracted position for storage and a shaft-extended position for adjustment, an anti-backlash coupling substantially eliminates backlash between a rotor and a shaft. The... | 08/01/1995 |
| 5378160 | Compliant stacking connector for printed circuit boards A device for electrically connecting the conductors on a first PC board to the conductors on a second PC board includes a housing having a mounting surface for mounting on the first board, an exposed surface opposite the mounting surface, and a pair of op... | 01/03/1995 |
