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:
Jul. 21, 1987

Filed:

Dec. 01, 1986
Applicant:
Inventor:

Shin Watabe, Nishibiwajima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B / ; F25B / ;
U.S. Cl.
CPC ...
364141 ; 364557 ; 364160 ; 364180 ; 165 12 ; 165 26 ; 236 / ; 307 39 ;
Abstract

In an operation mode controller wherein a sensor for sensing a quantity of a variable to be controlled is provided and a plurality of operation modes are changed from one to another in accordance with the sensed quantity to set any desired mode, the controller includes; a memory for setting and storing change conditions of the plural operation modes; apparatus preset for determining a set of threshold values for each of the plurality of operation modes, selecting apparatus for choosing the set of threshold values corresponding to a preset operation mode; an switching device for changing the operation modes in accordance with the change conditions when the sensed quantity of the variable that is to be controlled exceeds the chosen set of threshold values corresponding to the preset operation mode.


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