Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Braun GmbH
Original Assignee
Braun GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2255937Aexternal-prioritypatent/DE2255937A1/de
Priority claimed from DE2301700Aexternal-prioritypatent/DE2301700A1/de
Application filed by Braun GmbHfiledCriticalBraun GmbH
Publication of FR2206515A1publicationCriticalpatent/FR2206515A1/fr
Application grantedgrantedCritical
Publication of FR2206515B3publicationCriticalpatent/FR2206515B3/fr
G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus