Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
PatentStorm News
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 |
| 7317350 | Transresistance amplifier for a charged particle detector Disclosed is a transresistance amplifier for a charged particle detector, comprising a variable input resistance, which may be a phototransistor (IC3), a voltage amplification stage (IC1) and control means (IC3), operable to vary the variable in... | 01/08/2008 |
| 7057453 | Method and system for reducing parasitic feedback and parasitic resonances in high-gain transimpedance amplifiers Method and system for reducing parasitic feedback and resonances in high-gain transimpedance amplifiers. In a first embodiment of the present invention, a resistive layer is implemented in the gaps of a high-gain transimpedance amplifier's metallic planes. In a seco... | 06/06/2006 |
| 7012475 | Method and apparatus for effecting high-frequency amplification or oscillation An apparatus includes a distributed resonant tunneling section with a plurality of inductive portions that are coupled in series with each other between first and second nodes, such that a respective further node is present between each adjacent pair of the inductiv... | 03/14/2006 |
| 6005380 | Sensitive slot antenna including inductively coupled squid array A magnetic field sensor which can be used as an active antenna is disclosed that is capable of small size, ultrawideband operation, and high efficiency. The sensor includes a multiplicity of magnetic field transducers, e.g., superconducting quantum interf... | 12/21/1999 |
| 5920231 | Negative differential resistance amplifier There is provided a negative differential resistance amplifier comprising a negative differential resistance transistor having negative input conductance by utilizing resonant tunneling effect. The transistor is electrically connected to a signal source c... | 07/06/1999 |
| 5844407 | Method using squid array for improving the sensitivity of a slot antenna A magnetic field sensor which can be used as an active antenna is disclosed that is capable of small size, ultrawideband operation, and high efficiency. The sensor includes a multiplicity of magnetic field transducers, e.g., superconducting quantum interf... | 12/01/1998 |
| 5262395 | Superconducting active impedance converter A transimpedance amplifier for use with high temperature superconducting, other superconducting, and conventional semiconductor allows for appropriate signal amplification and impedance matching to processing electronics. The amplifier incorporates the su... | 11/16/1993 |
| 4638257 | Amplification by a phase locked array of Josephson junctions A Josephson junction amplifier comprising an array of series connected Josephson junctions which are maintained in a finite voltage, mutually electromagnetically phase-locked state. An input signal is applied across a first group of one or more but less t... | 01/20/1987 |
| 4585999 | Radiofrequency amplifier based on a dc superconducting quantum interference device A low noise radiofrequency amplifier (10), using a dc SQUID (superconducting quantum interference device) as the input amplifying element. The dc SQUID (11) and an input coil (12) are maintained at superconductivity temperatures in a superconducting shiel... | 04/29/1986 |
| 4509018 | Asymmetric superconducting quantum interference device in a linear amplifier circuit A superconducting quantum interference device (SQUID) is direct current biased through physical connections asymmetric to, and preferably maximally asymmetric to, the two Josephson junctions. The asymmetric SQUID so created is, responsively to such physic... | 04/02/1985 |
| 4176331 | Network for simulating low-noise-temperature resistors A class of two-terminal active networks which simulate low-noise-temperature resistors is disclosed. A single differential-input operational amplifier connected with a feedback resistor in an inverting amplifier configuration comprises the active element ... | 11/27/1979 |
