US3579247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multistylus pen recording system
Assignee: Furuno Electric Co Ltd
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Filing: 1969-07-14
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Granted: 1971-05-18
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Expires: 1989-07-14
Abstract
Abstract A multistylus pen recording system having a plurality of styli arranged transversely of and in contact with recording paper, means for generating a series of signal pulses which are applied in sequence to the styli for recording said pulses and means for producing a selectively variable high frequency signal to control the spacing of said pulses and thereby effect a variation in the magnification of the pattern recorded on the paper.
Inventors
- 👤 Kiyomi Minohara
- 👤 Hiroshi Ishida
- 👤 Tomoyoshi Miyata
- 👤 Takeyoshi Takashima
- 👤 Yoichi Umehara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:50
CPC Classifications
H; H04; H04L; H04L21/00; H04L21/04; B; B65; B65G; B65G19/00; B65G19/18; B65G19/22; B65G19/24; B65G19/26; G; G01; G01S; G01S7/00; G01S7/52; G01S7/56; G01S7/60
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
120 words
A recording system comprising a recorder having a plurality of styli, means for feeding recording paper beneath said styli and electrical means for operating each of said styli for recording electrical signals on said paper, switching means for applying incoming signals to said electrical means to actuate said styli in a predetermined order, means generating periodic switching signals, connections between said generating means and said switching means for controlling said switching means and means connected with said generating means for varying the periodicity of said switching signals whereby the periodicity of the application of said incoming signals to said electrical means may be varied throughout the width of said recording paper to amplify selected recorded portions of said incoming signals.
Claim 2
Dependent Claim
120 words
A recording system comprising a recorder having a plurality of styli, means for feeding recording paper beneath said styli and electrical means for operating each of said styli for recording electrical signals on said paper, switching means for applying incoming signals to said electrical means to actuate said styli in a predetermined order, means generating periodic switching signals, connections between said generating means and said switching means for controlling said switching means and means connected with said generating means for varying the periodicity of said switching signals whereby the periodicity of the application of said incoming signals to said electrical means may be varied throughout the width of said recording paper to amplify selected recorded portions of said incoming signals.
Claim 3
Dependent Claim
38 words
A recording system according to claim 1 wherein said generating means comprises a plurality of oscillators having different frequencies and said means for varying said switching signals comprises means for feeding selected oscillator signals to said switching means.
Claim 4
Dependent Claim
49 words
A recording system according to claim 1 wherein said generating means comprises at least one oscillator, frequency-dividing means for reducing the frequency of said oscillator and said means for varying said switching signals comprises means for selectively feeding said oscillator frequency and said reduced frequency to said switching means.
Claim 5
Dependent Claim
33 words
A recording system according to claim 3 wherein said frequency-dividing means includes at least two frequency dividers for producing at least two different divided frequencies to be selectively fed to said switching means.
Claim 6
Dependent Claim
45 words
A recording system according to claim 1 wherein said generating means includes a counter for counting said switching signals and connections between said counter and said means for varying the periodicity of said switching signals whereby said counter controls the operation of said varying means.
Claim 7
Dependent Claim
77 words
A recording system according to claim 5 wherein said counting means comprises a frequency divider consisting of cascade connected binary circuits and said system further includes a matrix circuit connected to each of said binary circuits and having a plurality of output terminals, said matrix circuit producing an output signal at selected output terminals as the counter attains selected values whereby the periodicity of said switching signals is varied as outputs are produced at selected output terminals.
Claim 8
Dependent Claim
71 words
A recording system according to claim 1 wherein said generating means comprises means for producing a plurality of pulsed switching signals of different periodicities, counting means connected with the last said means for counting said pulses, gates connecting said pulse producing means with said switching means and flip-flops interconnected with said gates and said counting means whereby said flip-flops are activated at selected count values to open and close said gates.
References Cited (Backward Citations)
US2955284A
Cited
US3091762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |