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公开(公告)号:US2454355A
公开(公告)日:1948-11-23
申请号:US60360445
申请日:1945-07-07
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
IPC: G05D3/18
CPC classification number: G05D3/18
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公开(公告)号:US2453283A
公开(公告)日:1948-11-09
申请号:US55194744
申请日:1944-08-30
Applicant: PHILCO CORP
Inventor: TILEY JOHN W , SUNSTEIN DAVID E
IPC: G01R21/00
CPC classification number: G01R21/00
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公开(公告)号:US2448069A
公开(公告)日:1948-08-31
申请号:US55194844
申请日:1944-08-30
Applicant: PHILCO CORP
Inventor: AMES JR MILLARD E , SUNSTEIN DAVID E
IPC: H03K4/86
CPC classification number: H03K4/86
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54.Autodyne frequency converter with self-bias controlled amplitude limiting and preclusion of grid current flow 失效
Title translation: 自动变频器具有自偏置控制幅度限制和排除电网电流公开(公告)号:US2856521A
公开(公告)日:1958-10-14
申请号:US46280354
申请日:1954-10-18
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
IPC: H03D7/08
CPC classification number: H03D7/08
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公开(公告)号:US2828411A
公开(公告)日:1958-03-25
申请号:US50499655
申请日:1955-04-28
Applicant: PHILCO CORP
Inventor: BEARDWOOD III JOSEPH T , MCCOY CLAUDIUS T , SUNSTEIN DAVID E
IPC: H03D9/06
CPC classification number: H03D9/0616
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公开(公告)号:US2778971A
公开(公告)日:1957-01-22
申请号:US26830652
申请日:1952-01-25
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
CPC classification number: H01J31/20 , H01J2231/121 , H04N9/24
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57.Method of detecting discontinuities in the reflective properties of surfaces 失效
Title translation: 检测表面反射性能不连续性的方法公开(公告)号:US2773253A
公开(公告)日:1956-12-04
申请号:US69285146
申请日:1946-08-24
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
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58.Object position indicating system incorporating means for automatically controlling virtual reference point in response to the movements of a particular object 失效
Title translation: 对象位置指示系统包括用于响应于特定对象的移动来自动控制虚拟参考点的装置公开(公告)号:US2728075A
公开(公告)日:1955-12-20
申请号:US71032146
申请日:1946-11-16
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
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59.Radio locating system for producing stereoscopic indications of objects 失效
Title translation: 用于产生物体的立体指示的无线电定位系统公开(公告)号:US2718000A
公开(公告)日:1955-09-13
申请号:US70807446
申请日:1946-11-06
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
IPC: G01S7/20
CPC classification number: G01S7/20
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60.Signal modifying apparatus for eliminating variations as a function of one or more independent variables 失效
Title translation: 用于消除作为一个或多个独立变量的函数的变化的信号修改装置公开(公告)号:US2705794A
公开(公告)日:1955-04-05
申请号:US67584946
申请日:1946-06-11
Applicant: PHILCO CORP
Inventor: SUNSTEIN DAVID E
IPC: G01S7/34
CPC classification number: G01S7/34
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