公开(公告)号：US3922610A

公开(公告)日：1975-11-25

申请号：US43728474

申请日：1974-01-28

Applicant: BASF AG

Inventor： BUCHAN WILLIAM A ,  ARNS HAROLD E

IPC: H04N5/7826 ,  G05D3/12 ,  G05D13/62 ,  G11B15/467 ,  H03K19/21 ,  H03K21/02 ,  H03K5/20 ,  H03D13/00

CPC classification number: H03K21/02

Abstract: Methods and circuits for preventing the coincidence of reference and feedback pulses in a servo system which utilizes a phase detector incorporating an up-down counter, wherein an anticoincidence circuit assigns separate time zones in which reference and feedback output pulse can occur.

Abstract translation: 用于防止参考和反馈脉冲重合的方法和电路，该伺服系统利用结合有升降计数器的相位检测器，其中反重合电路分配其中可以发生参考和反馈输出脉冲的单独的时区。

公开(公告)号：US3903430A

公开(公告)日：1975-09-02

申请号：US50532274

申请日：1974-09-12

Applicant: BASF AG

Inventor： ARNS HAROLD E

IPC: H05B37/03 ,  G01R19/145 ,  G01R31/28 ,  H02H3/12 ,  H01H83/00

CPC classification number: H02H3/12 ,  G01P3/4802 ,  G01P3/486 ,  G01P21/02 ,  G01R19/145 ,  G01R31/2829 ,  G05B23/0256 ,  Y10T307/826

Abstract: A circuit to monitor the operation of an external circuit. Using an oscillator, a rectifier, a filter and an amplifier the circuit produces a very low voltage drop in the monitored circuit during normal operation while providing a high speed logic signal to indicate loss of current in the monitored circuit.

Abstract translation: 一个监视外部电路运行的电路。 使用振荡器，整流器，滤波器和放大器，电路在正常操作期间在被监测电路中产生非常低的电压降，同时提供高速逻辑信号以指示被监测电路中的电流损失。

公开(公告)号：AU498135B2

公开(公告)日：1979-02-15

申请号：AU8374975

申请日：1975-08-07

Applicant: BASF AG

Inventor： ROTTER GERHARD ,  ARNS HAROLD E ,  BURDORF DONALD L

IPC: G11B15/28 ,  G11B15/295 ,  G11B15/67 ,  B65H75/40 ,  B65H17/34 ,  B65H23/16 ,  B65H79/00 ,  G11B15/66

Abstract: An apparatus for automatically threading a supply reel of magnetic recording tape equipped with a self starting leader into a tape transport mechanism of the type in which take-up and supply reels are simultaneously driven by surface engagement of a capstan with the outermost tape layer on each reel.

公开(公告)号：CA1041976A

公开(公告)日：1978-11-07

申请号：CA233229

申请日：1975-08-11

Applicant: BASF AG

Inventor： ROTTER GERHARD ,  ARNS HAROLD E ,  BURDORF DONALD L

IPC: G11B15/28 ,  G11B15/295 ,  G11B15/67 ,  G11B15/66

Abstract: Apparatus for automatically threading a supply reel of magnetic recording tape equipped with a self starting leader into a tape transport mechanism of the type in which take-up and supply reels are simultaneously driven by surface engagement of a capstan with the outermost tape layer on each reel.