Lin B Lin

US Patent:

60722843, Jun 6, 2000

Filed:

Jul 20, 1998

Appl. No.:

9/118974

Inventors:

Lin Lin - Clifton NJ

Assignee:

Duro-Test Corporation - Bloomfield NJ

International Classification:

G05F 100

US Classification:

315307

Abstract:

A compact fluorescent lamp and an electronic ballast therefor are mounted on a three-terminal base which can be fitted into a three-way-switched standard AC lamp socket, so as to be responsive to the three powered switch positions of the socket for generating three light output levels. The ballast includes an AC-to-DC conversion circuit which supplies a lamp driver including a DC-to-AC conversion circuit, an oscillatory circuit and a resonant circuit. In one embodiment the AC-to-DC conversion circuit includes a full bridge rectifier and a voltage doubler producing two operating voltage levels for the lamp driver and two frequency control voltage levels for the oscillator, the ballast generating three light output levels by using two operating voltages and two operating frequencies. One of the lamp filaments is connected in series with the supply circuit for the oscillator so that the oscillator is inoperative when the lamp is disconnected or its filament burns out, and there is a feedback circuit from the resonant circuit to the oscillator supply for stabilizing its operating frequency. In another embodiment the AC-to-DC conversion circuit includes a half bridge rectifier and two voltage doublers for producing three operating voltages for the lamp driver to generate the three light output levels.

US Patent:

20150310730, Oct 29, 2015

Filed:

Apr 28, 2014

Appl. No.:

14/262889

Inventors:

- Schaumburg IL, US
Alejandro G. BLANCO - Fort Lauderdale FL, US
Neiyer S. CORREAL - Cooper City FL, US
Fabio M. COSTA - Weston FL, US
Kenneth W. DOUROS - South Barrington IL, US
Bradley M. HIBEN - Glen Ellyn IL, US
Spyros KYPEROUNTAS - Weston FL, US
Lin LIN - Fox River Grove IL, US
Yadunandana N. RAO - Sunrise FL, US

Assignee:

MOTOROLA SOLUTIONS, INC - Schaumburg IL

International Classification:

G08B 27/00
G08B 25/01

Abstract:

Disclosed herein are methods and systems for presenting prioritized incident content. One embodiment takes the form of a method that includes receiving one or more status alerts from one or more public-safety devices associated with one or more public-safety responders. The method also includes correlating one or more of the received status alerts with one or more media sessions involving one or more of the public-safety responders. The method also includes prioritizing one or more of the media sessions based on prioritization criteria that includes the one or more status alerts correlated with those media sessions. The method also includes presenting one or more of the prioritized media sessions in a chronological view on respective user interfaces of one or more public-safety communication devices.