发明名称 METHOD AND APPARATUS FOR RETRIEVING CODED INFORMATION ON FILM
摘要 This invention comprises a method and apparatus for retrieving coded information recorded on film and includes a film transport means for driving the film at a relatively high velocity, means for programming a selected code variation for comparison with the code variations on the film, and means for stopping the film on the information relating to the programmed code variations.
申请公布号 US3708677(A) 申请公布日期 1973.01.02
申请号 USD3708677 申请日期 1970.07.29
申请人 BETA CORP,US 发明人 VOLK J,US;VOLK J,US
分类号 G06K17/00;(IPC1-7):G08C9/06 主分类号 G06K17/00
代理机构 代理人
主权项
地址