Electronic thermostat timer

US5294047A · kind A · utility

Assignee

• Grasslin KG · DE

Inventors

• Thomas Schwer · Illertissen, DE
• Bernd Maier · Jettenbach, DE

Key dates

• Filing date: Oct 23, 1992
• Grant date: Mar 15, 1994
• Expiry date: Oct 23, 2012

Classification

• Technology area (CPC G): Physics
• CPC primary: G05D23/1904
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In an electronic thermostat timer having a time-keeping switch and having a thermostat, having an optoelectronic display (6) arranged at the front side of the housing for the time of day, the switching times and the switching temperatures, having a manual, key-shaped input device (7) for the time of day, the switching times and the switching temperatures in a common housing (1), the housing (1) is provided with a quadratic cross section, particularly having the edge dimensions 60.times.60 mm. A cylindrical clockface dial (3) is provided at the front side (2) of the housing (1), the outer circumference of said cylindrical clockface dial partially projecting beyond the sides (17) of the housing (1). A thermostat module (5) that is covered by a housing cover (10) is arranged at the back side (4) of the housing (1).