Tape recorder with noise blanking circuit
AssigneeOlympus Optical Co., Ltd.
InventorsKen Satoh, Shunichi Orita
Life of this patent
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Abstract
The disclosed tape recorder serves for supplying a microphone output to a recording and reproducing head through an amplifier during recording by switching a recording and reproducing switch. A noise removing circuit at the output of said amplifier suppresses the output from the amplifier to the head a predetermined time during application of an electric power supply source of the amplifier.
Claims5
In a tape recorder which supplies an erasing current from an electric power supply source to an erasing head by switching a recording and reproducing switch at the time of recording, the improvement comprising a noise removing circuit at an input of said erasing head for momentarily suppressing and then increasing the erasing current to a predetermined value by switching on said electric power supply source.
Dependencies are inferred from the claim text.