US3264496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotational speed responsive electronic switch
Assignee: Robert Bosch GmbH
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Filing: 1964-09-28
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Granted: 1966-08-02
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Scholl Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; G05; G05B; G05B11/00; G05B11/01; G05B11/011; H; H02; H02P; H02P7/00; H02P7/06; H02P7/066; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
220 words
A ROTATIONAL SPEED RESPONSIVE ELECTRONIC SWITCH, COMPRISING, IN COMBINATION: A TRANSISTORIZED BISTABLE MULTIVIBRATOR HAVING FIRST AND SECOND INPUTS AND HAVING EMITTERS; A PULSE GENERATOR ASSOCIATED WITH A ROTATING BODY IN RESPONSE TO WHOSE ROTATIONAL SPEED THE ELECTRONIC SWITCH IS TO OPERATE FOR PRODUCING PULSES AT A RATE DEPENDING ON THE ROTATIONAL SPEED OF THE BODY; AND A FIRST PENDING ON THE ROTATIONAL SPEED OF THE BODY; AND A FIRST MULTIVIBRATOR AND THE OUTPUT OF SAID PULSE GENERATOR AND A SECOND RC-CIRCUIT INTERPOSED BETWEEN SAID SECOND INPUT OF SAID MULTIVIBRATOR AND THE OUTPUT OF SAID PULSE GENERATOR, SAID PULSE GENERATOR CONTROLLING SAID MULTIVIBRATOR TO BE IN ONE OF ITS OPERATING POSITIONS, VIA SAID FIRST RC-CIRCUIT, BELOW IN ADJUSTABLE PULSE FREQUENCY AND TO BE IN THE OTHER OF ITS OPERATION POSITIONS, VIA SAID SECOND RC-CIRCUIT, AT A HIGHER PULSE FREQUENCY, SAID FIRST RC-CIRCUIT COMPRISING (A) A FIRST CAPACITOR ONE OF WHOSE TERMINALS IS CONNECTED BY SAID PULSE GENERATOR ALTERNATELY TO EACH OF THE TWO TERMINALS OF A SOURCE OF DIRECT CURRENT, THE OTHER TERMINAL OF SAID FIRST CAPACITOR BEING CONNECTED, VIA A SERIES-CIRCUIT COMPRISING A FIRST RECTIFIER AND A FIRST CHARGING RESISTOR, AND A SECOND-SERIES-CIRCUIT COMPRISING A SECOND RECTIFIER, POLED OPPOSITELY TO SAID FIRST RECTIFIER, AND A SECOND CHARGING RESISTOR, TO THAT TERMINAL OF SAID SOURCE OF DIRECT CURRENT TO WHICH SAID
Claim 2
Dependent Claim
220 words
A ROTATIONAL SPEED RESPONSIVE ELECTRONIC SWITCH, COMPRISING, IN COMBINATION: A TRANSISTORIZED BISTABLE MULTIVIBRATOR HAVING FIRST AND SECOND INPUTS AND HAVING EMITTERS; A PULSE GENERATOR ASSOCIATED WITH A ROTATING BODY IN RESPONSE TO WHOSE ROTATIONAL SPEED THE ELECTRONIC SWITCH IS TO OPERATE FOR PRODUCING PULSES AT A RATE DEPENDING ON THE ROTATIONAL SPEED OF THE BODY; AND A FIRST PENDING ON THE ROTATIONAL SPEED OF THE BODY; AND A FIRST MULTIVIBRATOR AND THE OUTPUT OF SAID PULSE GENERATOR AND A SECOND RC-CIRCUIT INTERPOSED BETWEEN SAID SECOND INPUT OF SAID MULTIVIBRATOR AND THE OUTPUT OF SAID PULSE GENERATOR, SAID PULSE GENERATOR CONTROLLING SAID MULTIVIBRATOR TO BE IN ONE OF ITS OPERATING POSITIONS, VIA SAID FIRST RC-CIRCUIT, BELOW IN ADJUSTABLE PULSE FREQUENCY AND TO BE IN THE OTHER OF ITS OPERATION POSITIONS, VIA SAID SECOND RC-CIRCUIT, AT A HIGHER PULSE FREQUENCY, SAID FIRST RC-CIRCUIT COMPRISING (A) A FIRST CAPACITOR ONE OF WHOSE TERMINALS IS CONNECTED BY SAID PULSE GENERATOR ALTERNATELY TO EACH OF THE TWO TERMINALS OF A SOURCE OF DIRECT CURRENT, THE OTHER TERMINAL OF SAID FIRST CAPACITOR BEING CONNECTED, VIA A SERIES-CIRCUIT COMPRISING A FIRST RECTIFIER AND A FIRST CHARGING RESISTOR, AND A SECOND-SERIES-CIRCUIT COMPRISING A SECOND RECTIFIER, POLED OPPOSITELY TO SAID FIRST RECTIFIER, AND A SECOND CHARGING RESISTOR, TO THAT TERMINAL OF SAID SOURCE OF DIRECT CURRENT TO WHICH SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |