Window screens

• US 3,294,152 A
• Filed: 03/27/1964
• Issued: 12/27/1966
• Est. Priority Date: 04/03/1963
• Status: Expired due to Term

• Current Assignee: Willem Kuijvenhoven Arend
• Original Assignee: Willem Kuijvenhoven Arend
• Inventors: WILLEM KUIJVENHOVEN AREND
• Application Number:
  US04/355,389
• Time in Patent Office: 1,005 Days
• US Class Current: 160/5
• CPC Class Codes: E05F 15/71 responsive to temperature changes, rain, wind or noise
• CPC Class Codes: E05Y 2900/00 Application of doors, windows, wings or fittings thereof
• CPC Class Codes: E05Y 2900/106 for garages
• CPC Class Codes: E06B 2009/6818 using sensors
• CPC Class Codes: E06B 2009/6827 sensing light
• CPC Class Codes: E06B 9/70 comprising an electric motor positioned outside the roller
• CPC Class Codes: G05D 25/02 characterised by the use of electric means
• CPC Class Codes: Y10S 160/05 Awning head and front bars

Claims

1. APPARATUS FOR SCREENING A ROOM AGAINST SOLAR RADIATION INCIDENT UPON A SURFACE IN THE ROOM COMPRISING, A WINDOW CURTAIN OF A MATERIAL THAT WALL BOTH REFLECT AND TRANSMIT SOLAR RADIATION, A LIGHT SENSITIVE DEVICE WITHIN THE ROOM, MEANS CONTROLLED BY THE LIGHT SENSITIVE DEVICE FOR MOVING THE CURTAIN TO VARY THE WINDOW AREA COVERED BY THE CURTAIN, SAID LIGHT SENSITIVE DEVICE BEING POSITIONED TO RECEIVE LIGHT OF AN INTENSITY WHICH BEARS A SUBSTANTIALLY CONSTANT RELATIONSHIP TO THE INTENSITY OF THE LIGHT INCIDENT UPON THE SAID SURFACE, THE SAID DEVICE BEING POSITIONED TO RECEIVE AND RESPOND TO BOTH LIGHT PASSING DIRECTLY THROUGH THE WINDOW TO THE SAID SURFACE AND LIGHT PASSING THROUGH THE WINDOW AND THE CURTAIN MATERIAL TO THE SAID SURFACE.