Hickok
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Hickok Electrical Instrument Co. is an electronics company founded in 1910 by Robert D. Hickok Sr in Cleveland, OH. They are still in business but nowadays are mainly active in the automotive test equipment area.
From 1959 until the late 1960s, Hickok and other companies (Lavoie Laboratories, Jetronic Industries) produced unauthorized clones of Tektronix equipment under military contracts.
Tektronix sued the US government and Hickok in February 1961. The action was not settled (in their favor) until May 1970, with final payment made only in early 1979 at just over $4 million.
Products
- Hickok 1805A (military clone of 545A)
- Hickok 1822 - clone of Tektronix Type B plug-in
- Hickok 1823 - clone of Tektronix Type 53/54C plug-in
- Hickok 1823A - clone of Tektronix Type CA plug-in
- Hickok 1824 - clone of Tektronix Type D plug-in
- Hickok 1825 - clone of Tektronix Type E plug-in
- Hickok 1831 - clone of Tektronix Type K plug-in
- Hickok 1832 - clone of Tektronix Type L plug-in
- Hickok 1836
- AN/USM89B - clone of Tektronix 310A
Products by Hickok
| Model | Class | Series | Description | Introduced | Discontinued |
|---|---|---|---|---|---|
| Hickok 1805A | Oscilloscope | 500-series scopes | 30 MHz oscilloscope | (?) | (?) |
| Hickok 1822 | Plug-in | 500-series scopes | Clone of Tektronix Type B | (?) | (?) |
| Hickok 1823 | Plug-in | 500-series scopes | Dual-trace amplifier (Clone of Tektronix Type C) | 1959 | (?) |
| Hickok 1825 | Plug-in | 500-series scopes | Differential amplifier | 1959 | 1969 |
| Hickok 1831 | Plug-in | 500-series scopes | Dual-trace amplifier | (?) | (?) |
| Hickok 1832 | Plug-in | 500-series scopes | Tektonix Type L clone | (?) | (?) |
| Hickok 1836 | Plug-in | 500-series scopes | 500-series plugin | (?) | (?) |
| Hickok AN/USM-81 | Oscilloscope | 500-series scopes | Tube oscilloscope | (?) | (?) |
| Hickok AN/USM89B | Oscilloscope | 300-series scopes | 4 MHz oscilloscope | (?) | (?) |
Links
- Hickok company profile
- Hickok Elect. Instrument Co. @ radiomuseum.org
- Clone Scopes @ vintagetek.org
- 445 F.2d 323 - TEKTRONIX, INC. v. The UNITED STATES, The HICKOK ELECTRICAL INSTRUMENT CO., et al. (1971)
- UNITED STATES COURT OF CLAIMS. NO. 79-61. 03-23-1977 TEKTRONIX, INC. V. THE UNITED STATES ET AL.
- Tektronix’ Court of Claims case ‘est finis’
- Hickok 1805A @ Richard Sears
- Thread on Tek clones
-
Hickok trade show exhibit
