Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1991-04-30
1993-03-16
Young, Wayne R.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
381107, 369 54, 369 86, 369124, G11B 2000, H03G 300
Patent
active
051950758
ABSTRACT:
An output level controlling apparatus comprises: a signal attenuating device for attenuating the reproduced output level of a reading/recording signal read from a record medium; a signal level deciding device for comparing the reproduced output level of the reading/recording signal to a reference signal level previously set; and an output level correcting device for sending a control signal to the signal attenuating device on the basis of the results of the comparison made by the signal level deciding device so as to attenuate the reproduced output level of the reading/recording signal when a reproduced output level is higher than the signal level of the reference signal and so as to decrease an attenuation amount of the reproduced output signal level of the reading/recording signal when the reproduced output signal level is lower than the signal level of the reference signal wherein the output level correcting device sends the control signal so as to rapidly attenuate the reproduced output level of the reading/recording signal and slowly increase the reproduced output level. It is therefore possible to momentarily attenuate a high input level for preventing the output in a high level and prevent the musical environment of BGM from being destroyed and aural sound vibrations from occurring during level adjustment.
REFERENCES:
patent: 4297527 (1981-10-01), Pate
patent: 4926485 (1990-05-01), Yamashita
patent: 4993008 (1991-02-01), Shiba
Hasebe Seiichi
Inotani Hirokazu
Nakajima Fumihiro
Shiba Takahumi
Pioneer Electronic Corporation
Tran Thang V.
Young Wayne R.
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