Phil Crosby
Philip Stephen Crosby (? – ?) is an electrical engineer.
He started at Tek in 1957, initially working on television instruments. Later, he worked on oscilloscopes, e.g. the 556, 7503, and 7403N.
Then he went back to Television Instruments and worked on the Tek 1980.
Products by Phil Crosby
| Model | Class | Description | Designers | Introduced |
|---|---|---|---|---|
| X544 | Oscilloscope | prototype scope | Phil Crosby • Charlie Rhodes • Henry Fritzler | (not released) |
| J | Plug-in | 35 MHz dual-trace amplifier | Ron Olson • Phil Crosby | (not released) |
| V | Plug-in | Video plug-in | Larry Biggs • Ron Olson • Phil Crosby | (not released) |
| 3S76 | Plug-in | Dual Channel Sampling plug-in | Cliff Moulton • Ron Olson • Charlie Rhodes • Walt Lowy • Phil Crosby | 1962 |
| 529 | Audio/Video | TV Waveform Monitor | Phil Crosby | 1965 |
| 556 | Oscilloscope | 50 MHz dual beam scope | Phil Crosby • Larry Biggs • Ron Olson • Arend Kastelein | 1966 |
| 520 | Audio/Video | NTSC/PAL vectorscope | Phil Crosby • Ron Olson | 1967 |
| 7503 | Oscilloscope | 90 MHz non-storage mainframe | Phil Crosby • Hans Springer | 1970 |
| 521 | Audio/Video | PAL vectorscope | Phil Crosby • Ron Olson | 1970 |
| 522 | Audio/Video | Vectorscope | Phil Crosby • Ron Olson | 1970 |
| 7403N | Oscilloscope | 65 MHz non-storage mainframe | Phil Crosby • Bob Shand | 1970 |
| 1980 | Audio/Video | programmable remote video measurement set | Ron Olson • Phil Crosby | 1980 |
Components by Phil Crosby
Patents by Phil Crosby
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 3358155A | US | 3358155A | Gating circuit having gating oscillator with internal time delay | Phil Crosby | Tektronix Inc | 1964-10-30 | 1967-12-12 |
| Patent US 3457505A | US | 3457505A | Oscillographic instrument for separately viewing portions of an input signal | Phil Crosby | Tektronix Inc | 1966-02-18 | 1969-07-22 |
| Patent US 3483488A | US | 3483488A | Balanced modulator-demodulator circuit with negative feedback in switching element | Phil Crosby | Tektronix Inc | 1967-10-12 | 1969-12-09 |
| Patent US 3863264A | US | 3863264A | Sequential color and memory decoder | Larry Nelson • Phil Crosby | Tektronix Inc | 1973-05-15 | 1975-01-28 |
| Patent US 3836811A | US | 3836811A | Means for reducing effects of differential cutoff | John Durecka • Phil Crosby | Tektronix Inc | 1973-05-17 | 1974-09-17 |
| Patent US 3939434A | US | 3939434A | Wideband DC current amplifier | Phil Crosby | Tektronix Inc | 1974-08-23 | 1976-02-17 |
| Patent US 3949317A | US | 3949317A | Fast recovery limiting and phase inverting amplifier | Phil Crosby | Tektronix Inc | 1974-09-16 | 1976-04-06 |
| Patent US 4051440A | US | 4051440A | Phase locked demodulator | Larry Nelson • Phil Crosby | Tektronix Inc | 1976-03-04 | 1977-09-27 |
| Patent US 4092666A | US | 4092666A | Monochrome presentation of demodulated color signals | Charlie Rhodes • Phil Crosby | Tektronix Inc | 1976-12-10 | 1978-05-30 |
| Patent US 4447803A | US | 4447803A | Offset digital dither generator | Phil Crosby • Dale A. Jordan | Tektronix Inc | 1980-01-09 | 1984-05-08 |
| Patent US 4316150A | US | 4316150A | Phase locked loop including phase detector system controlled by enable pulses | Phil Crosby | Tektronix Inc | 1980-01-09 | 1982-02-16 |
| Patent US 4335356A | US | 4335356A | Programmable two-quadrant transconductance amplifier | Phil Crosby | Tektronix Inc | 1980-01-21 | 1982-06-15 |
| Patent US 4739277A | US | 4739277A | Triggered, programmable skew signal generator | Allen L. Hollister • Phil Crosby | Tektronix Inc | 1986-03-03 | 1988-04-19 |
| Patent US 4733174A | US | 4733174A | Circuit testing method and apparatus | Phil Crosby | Tektronix Inc | 1986-03-10 | 1988-03-22 |
| Patent US 4858142A | US | 4858142A | Digitizer effective resolution measurement system using sinewave parameter estimation | Yih-Chyun Jenq • Phil Crosby | Tektronix Inc | 1987-08-05 | 1989-08-15 |
| Patent US 4896271A | US | 4896271A | Method and apparatus for measuring jitter in a periodic signal | Yih-Chyun Jenq • Phil Crosby | Tektronix Inc | 1988-01-14 | 1990-01-23 |
| Patent US 5097428A | US | 5097428A | Data occurrence frequency analyzer | Phil Crosby | Tektronix Inc | 1988-12-27 | 1992-03-17 |
| Patent US 4916543A | US | 4916543A | Circular scan streak tube with electronic memory and readout | Phil Crosby | Tektronix Inc | 1989-01-09 | 1990-04-10 |
| Patent US 4910480A | US | 4910480A | Hierarchical current amplifier | Phil Crosby | Tektronix Inc | 1989-07-25 | 1990-03-20 |
| Patent US 5083849A | US | 5083849A | Light signal sampling system | Phil Crosby | Tektronix Inc | 1990-05-18 | 1992-01-28 |
| Patent US 5157290A | US | 5157290A | Phase detector | Phil Crosby | Tektronix Inc | 1991-03-05 | 1992-10-20 |
| Patent US 5148162A | US | 5148162A | Analog-to-digital converter comparator circuit utilizing a reverse polarity sampling technique | Phil Crosby | Tektronix Inc | 1991-04-09 | 1992-09-15 |
| Patent US 5200749A | US | 5200749A | Format converter architecture | Phil Crosby • Ajay K. Luthra | Tektronix Inc | 1991-05-28 | 1993-04-06 |
| Patent US 5585868A | US | 5585868A | Video quality improvement | Phil Crosby | Tektronix Inc | 1995-05-01 | 1996-12-17 |
| Patent US 5793426A | US | 5793426A | Video compression enhancement | Phil Crosby • T. Naveen • Ali Tabatahai • Charles H. Van Dusen | Tektronix Inc | 1996-06-24 | 1998-08-11 |
| Patent US 5943508A | US | 5943508A | Switcher using shared decompression processors for processing both broadband and compressed video data | Bruce J. Penney • Phil Crosby | Tektronix Inc | 1997-07-28 | 1999-08-24 |
| Patent US 6330285B1 | US | 6330285B1 | Video clock and framing signal extraction by transport stream "snooping" | Phil Crosby • Charles H. Van Dusen • Venkataraman Prasannan • James L. Gimlett | Tektronix Inc | 1998-02-11 | 2001-12-11 |
| Patent US 6574246B1 | US | 6574246B1 | Measuring delay variation of regenerated data clock and of associated data packets | Phil Crosby | Tektronix Inc | 1999-02-17 | 2003-06-03 |