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公开(公告)号:US3278924A
公开(公告)日:1966-10-11
申请号:US37968664
申请日:1964-07-01
Applicant: SPECIALTIES DEV CORP
Inventor: ARCHER ANDREW M
IPC: G08B13/189
CPC classification number: G08B13/1895
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公开(公告)号:US3281817A
公开(公告)日:1966-10-25
申请号:US37997664
申请日:1964-07-02
Applicant: SPECIALTIES DEV CORP
Inventor: ARCHER ANDREW M
IPC: G08B13/189
CPC classification number: G08B13/1895
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3.Photosensitive intruder detecting system using alternately charged reactance 失效
Title translation: 光敏入侵者检测系统采用交替充电电抗公开(公告)号:US3339194A
公开(公告)日:1967-08-29
申请号:US37812964
申请日:1964-06-26
Applicant: SPECIALTIES DEV CORP
Inventor: ARCHER ANDREW M
IPC: G08B13/189
CPC classification number: G08B13/1895
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4.Photoelectric motion detector with a pair of photocells viewing different parts of the field 失效
Title translation: 具有一对光电子的光电运动检测器查看不同的场地部分公开(公告)号:US3502883A
公开(公告)日:1970-03-24
申请号:US3502883D
申请日:1968-09-11
Applicant: SPECIALTIES DEV CORP
Inventor: ARCHER ANDREW M
IPC: G08B13/189 , H01J39/12
CPC classification number: G08B13/1895
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公开(公告)号:US3278923A
公开(公告)日:1966-10-11
申请号:US37910464
申请日:1964-06-30
Applicant: SPECIALTIES DEV CORP
Inventor: ARCHER ANDREW M
IPC: G08B13/189
CPC classification number: G08B13/1895 , Y10T307/773
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