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.

Date of Patent:
May. 08, 1979

Filed:

Nov. 08, 1977
Applicant:
Inventor:

Takeshi Yoshida, Musashino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; G05D / ;
U.S. Cl.
CPC ...
137 84 ; 137 86 ; 137D / ;
Abstract

Discloses a pneumatic controller having a proportional band altering unit, a proportional plus integral operation unit, a comparator and a manual-automatic transfer means, wherein the proportional band altering unit is combined with the proportional plus integral operation unit to provide a proportional band altering mechanism which limits input to prevent output of the comparator from being saturated whereby to enable the pneumatic controller to perform the transfer between the manual and automatic modes in a balanceless and bumpless manner.


Find Patent Forward Citations

Yoshida, Takeshi. (1979). Pneumatic controller (U.S. Patent No. 4153068). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4153068

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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