Light collector for photosensitive elements

• US 3,271,577 A
• Filed: 06/20/1963
• Issued: 09/06/1966
• Est. Priority Date: 06/20/1963
• Status: Expired due to Term

• Current Assignee: Miller, Charles W., William E. Griner
• Original Assignee: Miller, Charles W., William E. Griner
• Inventors: Miller, Charles W., Griner, William E.
• Application Number:
  US04/289,246
• Time in Patent Office: 1,174 Days
• US Class Current: 250/239
• CPC Class Codes: B60Q 1/14 having dimming means

Claims

1. A LIGHT-GATHERING DEVICE FOR A PHOTOSENSITIVE ELEMENT MOUNTED IN A VEHICLE, SAID DEVICE COMPRISING A HOUSING ENCLOSING SAID PHOTOSENSITIVE ELEMENT AND HAVING AN OPENING THEREIN, A LIGHT-CONDENSING LENS IN SAID OPENING, A SHIELD SUPPORTED IN SAID HOUSING BETWEEN SAID LENS AND SAID PHOTOSENSITIVE ELEMENT AND HAVING AN IRREGULAR-SHAPED APERTURE THEREIN LOCATED AT THE FOCAL PLANE OF SAID LENS, SAID APERTURE LIMITING THE LIGHT FALLING ON SAID PHOTOSENSITIVE ELEMENT TO THAT APPROACHING SAID OPENING FROM WITHIN PREDETERMINED VERTICAL AND HORIZONTAL ANGLE, A FILTER ELEMENT MOUNTED IN SAID SHIELD TO REDUCE THE AMOUNT OF LIGHT FALLINGG ON SAID PHOTOSENSITIVE ELEMENT WHICH APPROACHES SAID OPENING FROM A HORIZONTAL ANGLE OF GREATER THAN ONE DEGREE TO THE RIGHT OF THE CENTERLINE OF THE VEHICLE.