Patent US3726150A successfully refreshed from Google Patents.
US3726150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse response-driving apparatus
Assignee: Iwatsu Electric Co Ltd
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Filing: 1971-04-02
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Granted: 1973-04-10
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Expires: 1991-04-02
Abstract
Abstract A pulse-responsive drive apparatus comprising a first electromechanical energy converter responsive to one pulsating signal, a second electro-mechanical energy converter responsive to another pulsating signal, and a combined power transmission mechanism having inputs coupled to the respective mechanical outputs of the converters with the output of the transmission mechanism being the composite of said two mechanical outputs of the first and the second electro-mechanical energy converters respectively whereby an improvement of pulse response characteristics and an output variation are made possible.
Inventors
- 👤 T Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:33
CPC Classifications
F; F16; F16H; F16H35/00; F16H37/00; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
134 words
A pulse-responsive drive apparatus comprising: electrical control circuit means for generating control pulses, a first electro-mechanical energy converter coupled to said control circuit means and responsive to control pulses therefrom, a second electro-mechanical energy converter coupled to said control circuit means and responsive to control pulses therefrom, and a combined power transmission mechanism comprising a first input means mechanically coupled to the output of said first electromechanical energy converter, a second input means coupled to the output of said second electro-mechanical energy converter, and gear means for transmitting to an output means a composite value of the mechanical inputs applied to said first input means and said second input means whereby a mechanical output is obtained representing a composite of pulses applied to said first electro-mechanical energy converter and said second electro-mechanical energy converter.
Claim 2
Dependent Claim
134 words
A pulse-responsive drive apparatus comprising: electrical control circuit means for generating control pulses, a first electro-mechanical energy converter coupled to said control circuit means and responsive to control pulses therefrom, a second electro-mechanical energy converter coupled to said control circuit means and responsive to control pulses therefrom, and a combined power transmission mechanism comprising a first input means mechanically coupled to the output of said first electromechanical energy converter, a second input means coupled to the output of said second electro-mechanical energy converter, and gear means for transmitting to an output means a composite value of the mechanical inputs applied to said first input means and said second input means whereby a mechanical output is obtained representing a composite of pulses applied to said first electro-mechanical energy converter and said second electro-mechanical energy converter.
Claim 3
Dependent Claim
38 words
The pulse-responsive drive apparatus according to claim 1 wherein said first electro-mechanical energy converter is responsive to a first set of control pulses and said second electro-mechanical energy converter is responsive to a second set of control pulses.
Claim 4
Dependent Claim
42 words
The pulse-responsive drive apparatus according to claim 2 wherein said electrical signal circuit includes a pulse distributor for distributing a first set of pulses to said first electro-mechanical energy converter and a second set of pulses to said second electro-mechanical energy converter.
Claim 5
Dependent Claim
107 words
The pulse-responsive drive apparatus according to claim 3 wherein said pulse distributor comprises a source for a train of pulses, a flip-flop circuit changing state in response to each pulse supplied by said source, a first AND circuit responsive to one output of said flip-flop circuit and a pulse from said source, a second AND circuit responsive to another output of said flip-flop circuit and a pulse from said source, a first circuit supplying an output pulse of said first AND circuit to said first electro-mechanical energy converter and a second circuit supplying an output pulse of said second AND circuit to said second electro-mechanical energy converter.
Claim 6
Dependent Claim
60 words
The pulse-responsive drive apparatus according to claim 1 wherein said first and said second electro-mechanical energy converters comprise pulse motors having rotatable output means, said rotatable output means rOtating a predetermined angle in response to a predetermined number of control pulses and transmitting rotational motion thereof to said first and said second input means of said combined power transmission mechanism.
Claim 7
Dependent Claim
43 words
The pulse-responsive drive apparatus according to claim 1 further comprising a first reduction mechanism coupling said first electro-mechanical energy converter to said combined power transmission mechanism and a second reduction mechanism coupling said second electro-mechanical energy converter to said combined power transmission mechanism.
Claim 8
Dependent Claim
102 words
The pulse-responsive drive apparatus according to claim 1 wherein said combined power transmission mechanism comprises a first bevel gear mounted on a first input axis, a second bevel gear mounted on a second input axis, said first input axis and said second input axis being coaxial, third and fourth bevel gears mounted on a common axis extending at right angles with respect to the axes of said first input axis and said second input axis, said third and fourth bevel gears engaging said first and said second bevel gears respectively, and an output axis coupled to said third and fourth bevel gears.
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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |