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1954-12-28
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1997-03-18
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1958-06-24
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1981-10-21
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1959-08-18
Transistor record driver
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1972-05-23
Method and system for high density recording of information on premagnetized magnetic tape
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1960-09-27
Modified return-to-zero digital recording system
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1967-02-21
Amplitude selective unipolar amplifier of bipolar pulses
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1996-12-04
Circuit for detecting pulses, and video recorder comprising the circuit
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1974-05-07
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1960-02-23
Switching apparatus
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1977-06-30
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1964-07-07
Apparatus for detecting the sense of variation of an electrical potential
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1989-02-21
Differential amplifier circuit
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1971-12-28
Binary data detecting apparatus responsive to the change in sign of the slope of a waveform
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1967-05-09
Apparatus for recording high frequency signals on magnetic tape
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1965-09-07
Read out circuit comprising cross-coupled schmitt trigger circuits
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1970-04-28
Magnetic recording and reproducing of cue signals,including pulse width discrimination for cue signal selection
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1964-04-28
Threshold circuit utilizing series capacitor-diode combination and employing diode clamp to maintain information transmission
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1974-08-20
Bi-directional scanning of a phase encoded magnetic message
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1969-06-10
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1994-05-24
Time code signal processing circuit for removing and restoring variation in slew rate
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1957-12-03
Magnetic memory channel recirculating systems
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1966-12-06
Circuit for detecting amplitude modulated pulses appearing in frequency modulated waveforms
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1972-10-03
Binary data handling system