Number | Name | Date | Kind |
---|---|---|---|
3416065 | Redfern | Dec 1968 | |
4193060 | Slavin | Mar 1980 | |
4558305 | Black et al. | Dec 1985 |
Entry |
---|
Plummer, "Oscillators Using TTL Schmitt Trigger Gates", New Electronics, vol. 13, No. 17, 2 Sep. 1980, p. 34. |
Button, "Two Tone Burst Generator Has Nanoamp Standby Current", Electronic Product Design, Jul. 1981, p. 29. |
Ritchie, "PIP Generator", Practical Electronics, vol. 17, No. 3, p. 62. |
Hee-haw Siren for Toy Cars, by Gerald Cohn, Electronics, Australia, Jun. 1980, pp. 77, 79. |