Pulse generating device for radar transmitting system
First Claim
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1. A pulse generating device for a radar transmitting system comprising:
- a charge and discharge circuit including at least a capacitor, a pulse generating circuit which is initiated by discharging of said charge and discharge circuit so as to generate microwave pulses, a semiconductor switching device which may become conducting after the charge and discharge circuit is charged so as to permit the charge and discharge circuit to discharge, an inductance connected between said charge and discharge circuit and said semiconductor switching device to delay the discharge current from the charge and discharge circuit, and a capacitor connected in parallel to the semiconductor switching device, and which is charged by a portion of the charging current for the charge and discharge circuit and is discharged when the semiconductor switching device is turned on.
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Abstract
In a radar transmitting system including a charge and discharge circuit and a pulse generating circuit which is initiated by discharging of the charge and discharging circuit, a semiconductor switching device such as, for example, a thyristor is employed to discharge the charge and discharge circuit. An inductive element is provided between the charge and discharge circuit and the semiconductor switching device so that the discharging of the charge and discharge circuit may be delayed until the semiconductor switching device is turned on completely.
7 Citations
1 Claim
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1. A pulse generating device for a radar transmitting system comprising:
- a charge and discharge circuit including at least a capacitor, a pulse generating circuit which is initiated by discharging of said charge and discharge circuit so as to generate microwave pulses, a semiconductor switching device which may become conducting after the charge and discharge circuit is charged so as to permit the charge and discharge circuit to discharge, an inductance connected between said charge and discharge circuit and said semiconductor switching device to delay the discharge current from the charge and discharge circuit, and a capacitor connected in parallel to the semiconductor switching device, and which is charged by a portion of the charging current for the charge and discharge circuit and is discharged when the semiconductor switching device is turned on.
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Current AssigneeHidetoshi Tanigaki
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Original AssigneeHidetoshi Tanigaki
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InventorsTanigaki, Hidetoshi
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Primary Examiner(s)Hecker, Stuart N.
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Application NumberUS05/461,049Time in Patent Office379 DaysField of Search320/1 307/108,110US Class Current320/129CPC Class CodesG01S 7/282 TransmittersH03K 3/57 the switching device being ...
