Quotables
"Without question, the greatest invention in the history of mankind is beer. Oh, I grant you that the wheel was also a fine invention, but the wheel does not go nearly as well with pizza."
Dave Barry
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 |
| 7333028 | Traffic preemption system communication method A remotely-controlled traffic-preemption system and method includes an encoder circuit, an optical source, an optical detector, and a decoder circuit. The encoder circuit is adapted to generate a set of signal pulses. At least one bit of a data word is encoded as a ... | 02/19/2008 |
| 7307547 | Traffic preemption system signal validation method A secure optical-communication traffic-preemption system and method is provided that securely communicates an identification code from an optical emitter to a traffic location. The optical emitter transmits light pulses that represent an encrypted code that is an en... | 12/11/2007 |
| 7167106 | Methods and systems utilizing a programmable sign display located in proximity to a traffic light Methods and systems use a programmable sign display located in proximity to a traffic light to provide information to motorists upon the motorists directing their attention toward the traffic light. The programmable sign display may receive programming for content t... | 01/23/2007 |
| 7102538 | LED signal light The present invention provides an LED signal light device comprising a central processing unit, a control panel, an LED signal light, an output and input interface, a battery and an adapter. The central processing unit comprises a microprocessor, a memory and an int... | 09/05/2006 |
| 7098806 | Traffic preemption system A traffic preemption system is described that includes onboard equipment located on a vehicle and a fleet management center in communication with the onboard equipment. The fleet management center is also in communication with a traffic management center that is in ... | 08/29/2006 |
| 6609061 | Method and system for allowing vehicles to negotiate roles and permission sets in a hierarchical traffic control system A traffic control system is described. The traffic control system comprises a primary controller. The primary controller receives information about traffic in an area. The traffic control system further includes a plurality of subsidiary controllers provi... | 08/19/2003 |
| 5821878 | Coordinated two-dimensional progression traffic signal system A method of controlling traffic signals on existing grid-like systems of avenues and crossing streets. Two phase traffic signals, red and green, wherein both phases are equal in duration and the amber interval is a part of the green interval. The coordina... | 10/13/1998 |
| 5014052 | Traffic signal control for emergency vehicles A traffic light control system which includes two-way communications between a moving emergency vehicle approaching a busy intersection with one or more traffic lights, arranged so that the traffic light control apparatus has stored therein preset pattern... | 05/07/1991 |
| 4573049 | Traffic signal light control for emergency vehicles A traffic light control system which includes two-way communications between a moving emergency vehicle approaching a busy intersection with one or more traffic lights, arranged so that the traffic light control apparatus has stored therein preset pattern... | 02/25/1986 |
| 4521644 | Method of establishing communication A method of establishing communication between a first device (e.g. 12) in a first one (e.g. 22) of a plurality of groups (22, 32, 42 and 48) with a second device (e.g. 28) which is a selected one of a plurality of devices (e.g. 24, 26, and 28) and a seco... | 06/04/1985 |
