Method and apparatus for heating a thermionic detector source

Details Method and apparatus for heating a thermionic detector source Method and apparatus for heating a thermionic detector source

1995-03-02

1995-12-12

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219503, 219507, 21912157, 363 26, 363 95, H05B 102

Patent

active

054752027

ABSTRACT:
The bead source for the thermionic detector of a gas chromatograph is heated by the secondary winding of a transformer having a center-tapped primary and operating in the push-pull configuration. The voltage drop across the bead is compared with a preselected reference voltage and an error signal is generated. The error signal is used to control the output of a pulse width modulation control which supplies the transformer primary winding.

REFERENCES:
patent: 3863131 (1975-01-01), Muir
patent: 4150424 (1979-04-01), Nuechterlein
patent: 4307441 (1981-12-01), Bello
patent: 4598351 (1986-07-01), Fair et al.
patent: 4660136 (1987-04-01), Montorefano
patent: 4890214 (1989-12-01), Yamamoto
patent: 5014009 (1991-05-01), Arimoto et al.
patent: 5053343 (1991-10-01), Vora et al.

Affiliated with

Also associated with

Rating

Method and apparatus for heating a thermionic detector source does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for heating a thermionic detector source, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for heating a thermionic detector source will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1361481