Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 340/930
Name: Communications: electrical > Traffic control indicator > Indication of time remaining before change of phase > Electromechanical movable auxiliary indicator
Description: Subject matter wherein the auxiliary indicator changes position thereby indicating the upcoming change in traffic control indicator phase.

Patents under this class:

Patent Number Title Of Patent Date Issued
8405523 Drive assist device and method Mar. 26, 2013
7667617 Interactive bulletin board system and method Feb. 23, 2010
7477164 Vertical profile display using color filled bands to provide terrain awareness Jan. 13, 2009
7443315 LED traffic light Oct. 28, 2008
7375650 LED traffic light May. 20, 2008
6611610 Vehicle lamp control Aug. 26, 2003
6587573 System for controlling exterior vehicle lights Jul. 1, 2003
6552668 Attachment to traffic light apparatus for visual indication of traffic light duration Apr. 22, 2003
6392563 Traffic light backup system using light-emitting diodes May. 21, 2002
6268805 Traffic light Jul. 31, 2001
6100819 Vehicular traffic signalization method and apparatus for automatically documenting traffic light violations and protecting non-violating drivers Aug. 8, 2000
5945924 Fire and smoke detection and control system Aug. 31, 1999
5771616 Display device with disk and LED Jun. 30, 1998
5726648 Time indicating traffic light Mar. 10, 1998
5619194 Fiber optic traffic signal light system having a shutter control Apr. 8, 1997
5504481 Fail-safe stop light apparatus Apr. 2, 1996
4255737 Traffic signal with time duration indicator and mechanical synchronization Mar. 10, 1981
RE30355 Traffic flow control system Jul. 29, 1980
3970988 Conveyor-type traffic signal device Jul. 20, 1976

  Recently Added Patents
Methods and devices for enforcing network access control utilizing secure packet tagging
Methods and apparatus for low power out-of-band communications
Systems and methods for providing live voicemail to a mobile handset
Semiconductor devices having through electrodes and methods of fabricating the same
Nacelle cover
Triazine ring-containing polymer and film-forming composition comprising same
  Randomly Featured Patents
Visual group interface for group connectivity
High amylose starch and resistant starch fractions
Article handling apparatus capable of reversibly loading and unloading articles in predetermined rows
Safety charge measuring device for cartridge loading machines
Automatic communication protocol detection system and method for network systems
Wood or wood product coated with an aqueous, air-drying coating agent
Ferrite core with concave and convex portions
Draft inducer/damper systems
Lower cage of a transceiver cage assembly
Cat exercise toy