Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Flashers
Patent
1974-04-05
1976-10-26
Rolinec, R. V.
Electric lamp and discharge devices: systems
Discharge device and/or rectifier in the supply circuit
Flashers
307293, 315241S, 324 16T, H05B 3700, H03K 3284
Patent
active
039886352
ABSTRACT:
A control circuit for triggering a stroboscope repetitively at successively longer intervals following successive input signals. It enables visual observation of a selected portion of the travel of a repetitively moving object with a cinematic slow motion effect. The circuit is relatively simple and includes a variable delay device, and means for varying the delay produced by it in accordance with a ramp voltage that has a period spanning several of the input signals, that is, several repetitions of the complete motion of the object to be observed.
REFERENCES:
patent: 2749481 (1956-06-01), Klein, Jr.
patent: 3294983 (1966-12-01), Draper, Jr.
patent: 3646370 (1972-02-01), Lowe
patent: 3813931 (1974-06-01), Rennick et al.
Dahl Lawrence J.
Rolinec R. V.
Stone Hoffman
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