Ken Holland
Ken Holland (? – ?) led the group developing components and contributed technically for many years.
Contributions include cam switches (originally allegedly the idea of Howard Vollum, but improved numerous times by Ken and group), high speed attenuators, Tek relays, and probes from early 1970s onward.
Products by Ken Holland
| Manufacturer | Model | Description | Designers | Introduced |
|---|---|---|---|---|
| Tektronix | 475 | Portable 200 MHz dual-trace scope | Leon Orchard • Luis Navarro • Bob Shand • Jim Hinze • Jim Godwin • Les Larson • Steve Tosh • Jim Woo • Ken Holland • Bill Mark • George Ermini • Dennis Braatz | 1972 |
| Tektronix | 465 | Portable 100 MHz dual-trace scope | Leon Orchard • Luis Navarro • Bob Shand • Jim Hinze • Frank Dewater • Pete Janowitz • Dave Laib • Al Schamel • Bert tenKate • Ken Holland • Bill Mark • George Ermini • Dennis Braatz | 1972 |
| Tektronix | 475A | Portable 250 MHz dual-trace scope | Leon Orchard • Luis Navarro • Bob Shand • Jim Hinze • Jim Godwin • Les Larson • Steve Tosh • Jim Woo • Ken Holland • Bill Mark • George Ermini • Dennis Braatz | 1977 |
Components by Ken Holland
Patents by Ken Holland
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 3719788A | US | 3719788A | Switch having ganged contacts mounted on opposite sides of circuit board | Ken Holland • Tony Sprando | Tektronix Inc | 1971-02-04 | 1973-03-06 |
| Patent US 3753170A | US | 3753170A | Step attenuator apparatus having attenuator stages selectively connected in cascade by cam actuated switches | Ken Holland | Tektronix Inc | 1971-02-10 | 1973-08-14 |
| Patent US 3875542A | US | 3875542A | High frequency fuse | Ken Holland • John Alan Roberts | Tektronix Inc | 1973-09-10 | 1975-04-01 |
| Patent US 3900711A | US | 3900711A | Electrical contactor assembly for high frequency applications | Ken Holland | Tektronix Inc | 1974-02-04 | 1975-08-19 |
| Patent US 4181903A | US | 4181903A | Hybrid cascade attenuator | Ken Holland • Gary W. Reed • Desmond L. Murphy | Tektronix Inc | 1978-02-14 | 1980-01-01 |