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1.Frequency and time-proportional signal control devices employing separate converters for converting a prescribed value and the measured value 失效
Title translation: 频率和时间分量信号控制装置,用于转换预定值和测量值的分离转换器公开(公告)号:US3529246A
公开(公告)日:1970-09-15
申请号:US3529246D
申请日:1966-04-20
Applicant: PHILIPS CORP
Inventor: KAPS GERHARD , SCHOTT WINFRIED
CPC classification number: H03K21/02
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2.Sine wave oscillator having an externally controlled impedance and an internally controlled impedance for producing linear frequency variations 失效
Title translation: 具有外部控制阻抗的正弦波振荡器和用于产生线性频率变化的内部控制阻抗公开(公告)号:US3491311A
公开(公告)日:1970-01-20
申请号:US3491311D
申请日:1969-02-24
Applicant: PHILIPS CORP
Inventor: MEYER DIETRICH , SCHOTT WINFRIED
CPC classification number: H03B5/26 , H03B5/20 , H03B2200/0092 , H03B2201/0208 , H03B2201/0216
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3.Device for producing frequency intervals for tuning musical instruments 失效
Title translation: 用于生产用于调音乐器的频率间隔的装置公开(公告)号:US3472116A
公开(公告)日:1969-10-14
申请号:US3472116D
申请日:1967-03-09
Applicant: PHILIPS CORP
Inventor: SCHOTT WINFRIED
CPC classification number: G10H5/08
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公开(公告)号:US3448251A
公开(公告)日:1969-06-03
申请号:US3448251D
申请日:1965-10-08
Applicant: PHILIPS CORP
Inventor: KAPS GERHARD , SCHOTT WINFRIED
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