The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 1996
Filed:
May. 23, 1995
Applicant:
Inventors:
John Weiss, Mt. Sinai, NY (US);
Chwen C Jean, Taipei, TW;
Assignee:
Micro Weiss Electronics, Inc., West Babylon, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ; F24F / ; B01F / ; G01W / ;
U.S. Cl.
CPC ...
7333502 ; 73 2902 ; 307 34 ; 307116 ; 62209 ; 62214 ; 219494 ; 236 44 ;
Abstract
A humidity control device includes a microcontroller, a variable impedance humidity sensing circuit and a zero crossing detector circuit. The humidity sensing circuit and zero crossing circuit are provided with an AC line voltage and both have outputs which are provided to the microcontroller. The humidity control device also includes a semiconductor switch circuit which switches the AC line voltage to an external electrical device, such as a dehumidifier or heater, at the zero crossing.