发明名称 DISTANCE MEASURING DEVICE
摘要 PURPOSE:To measure distances and light in many regions on a screen with a simple constitution and at low cost by integrally providing a light emitting element for AF and a light reception part for AE and scanning practically. CONSTITUTION:In the vicinity of IRED 12, PD 13 is integrally provided in a moving part 14. A light is cast from IRED 12 to a subject through a lens 15 and the light from the subject received through a light reception lens is photoelectrically converted with the PD 13. The reflection light of the light flux from the subject is received with PSD 19 and photoelectrically converted signal is output. Based on the photoelectrically converted signal, the distance to the subject is calculated with AFIC 20. The PD 13 integral with the IRED 12 is practically scanned with a scanning mechanism 17.
申请公布号 JPH0719858(A) 申请公布日期 1995.01.20
申请号 JP19930163567 申请日期 1993.07.01
申请人 OLYMPUS OPTICAL CO LTD 发明人 NONAKA OSAMU;TANBARA YASUO
分类号 G01C3/06;G02B7/32;G03B13/36;(IPC1-7):G01C3/06 主分类号 G01C3/06
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