公开(公告)号：US3912856A

公开(公告)日：1975-10-14

申请号：US45905174

申请日：1974-04-08

申请人： LIDDEL WILLIAM S ,  LIDDELL EXECUTOR BY ORVAL

发明人： LIDDEL WILLIAM S ,  LIDDELL EXECUTOR BY ORVAL

IPC分类号： H04N13/00 ,  H04N9/54

CPC分类号： H04N13/0495

摘要： Three-dimensional image transmitting apparatus including camera means having a scanner for scanning a subject with a scan beam. Signal generator means is provided which includes a generator screen disposed in the path of the scan beam as reflected from the subject and such generator means is responsive to impingement of the scan beam on the generator screen to generate an electrical location signal corresponding with the location of impingement on the signal generator screen by the scan beam. Image reconstruction means is provided which includes a variable depth reconstruction screen that is rendered locally luminous in response to impingement by a trace beam. A trace beam source is provided for directing a trace beam at the variable depth screen in a pattern determined by the location signal. Variable depth screen control means is responsive to positioning of the scanner to render the variable depth screen operative at depths corresponding to the position of such scanner.