US3353034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator utilizing control signals to vary pulse width
Assignee: Individual
•
Filing: 1965-05-26
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Granted: 1967-11-14
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Expires: 1985-05-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Betz
- 👤 George H Mcafee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:15
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
IN A PULSE GENERATOR HAVING A TIME CONSTANT NETWORK FOR CONTROLLING THE WIDTH OF PULSES GENERATED THEREBY, SAID NETWORK CONSISTING OF A CAPACITOR AND RESISTIVE MEANS CONNECTED THERETO FOR PROVIDING A CHARGE PATH FOR SAID CAPACITOR; CONTROL MEANS COMPRISING: A PLURALITY OF IMPEDANCE NETWORKS CONNECTED IN PARALLEL WITH SAID RESISTIVE MEANS, EACH OF SAID IMPEDANCE NETWORKS CONSISTING OF A CONTROL RESISTOR AND A DIODE CONNECTED IN SERIES; AND A PLURALITY OF SWITCHING MEANS, ONE OF WHICH IS CONNECTED TO EACH OF SAID IMPEDANCE NETWORKS TO SWITCH THE CONDUCTION OF SAID DIODES BETWEEN STATES OF HIGH AND LOW IMPEDANCE SO THAT VARIOUS ONES OF SAID PLURALITY OF RESISTORS MAY BE SELECTIVELY CONNECTED IN PARALLLEL WITH SAID RESISTIVE MEANS, THEREBY CHANGING THE WIDTH OF SAID GENERATED PULSES, EACH OF SAID PLURALITY OF SWITCHING MEANS COMPRISING A TRANSISTOR HAVING INPUT AND OUTPUT ELECTRODES, SAID OUTPUT ELECTRODE BEING CONNECTED TO THE JUNCTION OF THE RESISTOR AND DIODE CONNECTION OF THE ONE OF SAID PLURALITY OF IMPEDANCE NETWORKS WHICH IS ASSOCIATED WITH SAID TRANSISTOR; AND A CONTROL INPUT TERMINAL CONNECTED TO THE INPUT ELECTRODE OF EACH OF SAID TRANSISTORS.
Claim 2
Dependent Claim
184 words
IN A PULSE GENERATOR HAVING A TIME CONSTANT NETWORK FOR CONTROLLING THE WIDTH OF PULSES GENERATED THEREBY, SAID NETWORK CONSISTING OF A CAPACITOR AND RESISTIVE MEANS CONNECTED THERETO FOR PROVIDING A CHARGE PATH FOR SAID CAPACITOR; CONTROL MEANS COMPRISING: A PLURALITY OF IMPEDANCE NETWORKS CONNECTED IN PARALLEL WITH SAID RESISTIVE MEANS, EACH OF SAID IMPEDANCE NETWORKS CONSISTING OF A CONTROL RESISTOR AND A DIODE CONNECTED IN SERIES; AND A PLURALITY OF SWITCHING MEANS, ONE OF WHICH IS CONNECTED TO EACH OF SAID IMPEDANCE NETWORKS TO SWITCH THE CONDUCTION OF SAID DIODES BETWEEN STATES OF HIGH AND LOW IMPEDANCE SO THAT VARIOUS ONES OF SAID PLURALITY OF RESISTORS MAY BE SELECTIVELY CONNECTED IN PARALLLEL WITH SAID RESISTIVE MEANS, THEREBY CHANGING THE WIDTH OF SAID GENERATED PULSES, EACH OF SAID PLURALITY OF SWITCHING MEANS COMPRISING A TRANSISTOR HAVING INPUT AND OUTPUT ELECTRODES, SAID OUTPUT ELECTRODE BEING CONNECTED TO THE JUNCTION OF THE RESISTOR AND DIODE CONNECTION OF THE ONE OF SAID PLURALITY OF IMPEDANCE NETWORKS WHICH IS ASSOCIATED WITH SAID TRANSISTOR; AND A CONTROL INPUT TERMINAL CONNECTED TO THE INPUT ELECTRODE OF EACH OF SAID TRANSISTORS.
References Cited (Backward Citations)
US3263223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |