发明名称 Loyalty camera and a system and method for promoting consumer loyalty
摘要 A camera and method for promoting consumer loyalty for film developing services is provided. A loyalty camera is provided wherein a particular tool is required to rewind the exposed film and assist in manipulating the film door latch. In one embodiment, the tool is inserted into a combined film advance/rewind mechanism to move a lever arm against a portion of the anti-reversal pawl to bias the pawl out of contact with the film advance wheel and permit film rewinding. Additionally, in some embodiments the particular tool is additionally used to move the door lever to open the film door.
申请公布号 US2004028398(A1) 申请公布日期 2004.02.12
申请号 US20030613181 申请日期 2003.07.03
申请人 KAI CHUNG YIK FRANCO 发明人 KAI CHUNG YIK FRANCO
分类号 G03B1/06;G03B17/02;G03B19/04;(IPC1-7):G03B17/02 主分类号 G03B1/06
代理机构 代理人
主权项
地址