发明名称 |
Using light pulses to implement auto-focus in a digital camera |
摘要 |
A camera includes a light transmitter configured to transmit light pulses at a first rate, a light receiver configured to receive return signals corresponding to the light pulses transmitted by the light transmitter, and a sampler configured to sample electrical signals corresponding to the return signals received by the light receiver, wherein the sampler is configured to sample the electrical signals at a second rate that is lower than the first rate.
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申请公布号 |
US7502064(B2) |
申请公布日期 |
2009.03.10 |
申请号 |
US20040915562 |
申请日期 |
2004.08.10 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
STAVELY DONALD J.;BIANCHI MARK J.;BLOOM DANIEL M.;SCHINNER CHARLES E.;SPEARS KURT EUGENE;BRAKE WILFRED |
分类号 |
G03B13/00;G01C3/08;G03B17/00;H04N5/232 |
主分类号 |
G03B13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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