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 |
| 8171290 | System for authenticating remotely generated optical control signals An authentication system authenticates remotely generated optical control signals. A remote optical emitter transmits an optical control signal from a remote location. A remote authentication device collocated with the remote optical emitter receives an authenticati... | 05/01/2012 |
| 8092044 | LED light assembly and related methods A light emitting diode (LED) assembly. Implementations of an LED light assembly may include a base having a circuit including a one or more LEDs, a thermally conductive polymer support coupled to the circuit, and a non-thermally conductive polymer member coupled to ... | 01/10/2012 |
| 8054202 | Traffic preemption system and related methods A traffic preemption system and related methods. Implementations may include a vehicle preemption unit mounted to a vehicle including an optical transmitter adapted to identify to an intersection preemption unit coupled with an intersection system controller the pre... | 11/08/2011 |
| 8047675 | Light emitting diode optical system and related methods A light emitting diode (LED) optical system. Implementations disclosed in this document may include two or more LEDs coupled with a circuit board and two or more optics. The two or more optics may each include a first end and a second end where the second end oppose... | 11/01/2011 |
| 7620812 | System for authenticating remotely generated optical control signals An authentication system authenticates remotely generated optical control signals. A remote optical emitter transmits an optical control signal from a remote location. A remote authentication device collocated with the remote optical emitter receives an authenticati... | 11/17/2009 |
| 5523654 | Flashtube trigger circuit with anode voltage boost feature This circuit facilitates the triggerability of a remote three wire flashtube and trigger coil assembly at a much lower than normal anode power supply voltage. The discharge of the trigger capacitor produces the usual trigger-event in the trigger coil. Sim... | 06/04/1996 |
| 5519389 | Signal synchronized digital frequency discriminator A digital frequency discriminator processes input pulses including first and second time separated input pulses to determine if the frequency of any two sequential pulses lie within a predetermined frequency band with upper and lower frequency limits and ... | 05/21/1996 |
| 5060131 | DC to DC converter power supply with feedback controlled constant current output A power supply includes a coupled inductor having a primary winding, a secondary winding and a feedback winding. A rectifier/filter is coupled to the secondary winding for supplying the load with a DC current. A power switch is coupled in series with the ... | 10/22/1991 |
| 4956584 | Strobe trigger pulse generator A strobe trigger pulse generator includes a power supply, an energy storage capacitor coupled to the power supply and a trigger pulse generator which intermittently energizes a trigger pulse transformer to ionize the gaseous interior of a strobe flash lam... | 09/11/1990 |
| 4954753 | Strobe flash lamp power supply with input voltage feedthrough afterflow prevention circuit The DC to DC converter includes a coupled inductor having a primary winding and a feedback winding. A drive current regulator circuit receives a variable input voltage from the feedback winding but transmits a constant base drive current to the base termi... | 09/04/1990 |
| 4953062 | Strobe flash lamp with focussed front beam and collimated lateral beams A light fixture includes a parabolic reflector, a light source positioned at the focal point of the parabolic reflector and a lens assembly. The lens assembly includes a front lens for transmitting the primary beam reflected from the parabolic reflector. ... | 08/28/1990 |
