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:
May. 07, 1991
Filed:
Oct. 12, 1989
Seiko Instruments, Inc., Tokyo, JP;
Abstract
Apparatus for controlling the temperature of a sample in a thermal analysis system according to a temperature-control program in order to facilitate the production of rising and falling temperatures. The apparatus includes a first heater, a thermally insulating container having an opening and containing a mass of liquified coolant, a coolant vapor flow pipe, a sample chamber for containing the sample, a second heater, a sample chamber temperature detector, a temperature-control program setting circuit, a first power supply regulator and a second power supply regulator. The first heater is disposed within the liquified coolant in the container and is operated according to a desired temperature-control program set in the setting circuit to vaporize the liquified coolant so that the vaporized coolant is introduced through the pipe and into the sample chamber to cool the interior of the chamber, while the interior of the chamber is heated by the second heater to thereby control the production of rising and falling temperatures in the sample chamber.