Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Hara0
Sosaku Sawada0
Date of Patent
March 5, 2013
0Patent Application Number
132276180
Date Filed
September 8, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An amplifier for receiving an optical signal is disclosed. The amplifier provides a response time controller including an integrator with two time constants, a linear amplifier, a hysteresis comparator, an another integrator, and a switch to change the time constant. The switch includes two voltage followers, one of which turns off the switch to set the time constant in a longer state; while, the other of which turns on the switch and reflects the input of the integrator to set the time constant in a shorter state.
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