Patent US4371940A successfully refreshed from Google Patents.
US4371940A
Expired / Lapsed
US
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Navigation instrument
Assignee: Nissan Motor Co Ltd
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Filing: 1981-07-30
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Granted: 1983-02-01
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Expires: 2001-07-30
Abstract
Abstract A navigation instrument for use with a roadway vehicle comprises an arithmetic means producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one, and a display means for displaying the three data sequentially fed from the arithmetic means through a signal selector means. The arithmetic means includes travelling distance/time deviation accumulating means for adding the deviation of the travelling distance/time with respect to the average speed initially set to the deviations of the travelling distance/time whenever the average speed is altered. Thus, the navigation instrument of the present invention makes it possible to calculate and display the travelling distance/time deviation accumulated value when the average speed of the vehicle is altered on the way of vehicle travelling.
Inventors
- 👤 Kiyoshi Yamaki
- 👤 Masanori Mizote
- 👤 Hitoshi Takeda
- 👤 Hidetaka Suzuki
- 👤 Hiroyuki Nomura
- 👤 Teruo Kawasaki
- 👤 Kazuyuki Mori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:12
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/26; G01P; G01P11/00; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/481; G01P3/489
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
295 words
In a navigation instrument for use with a road way vehicle, comprising: (a) distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; (b) time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; (c) speed setting means producing a signal showing a scheduled average speed; (d) arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; (e) signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means; (f) display means responsive to each signal applied thereto from said signal selector means for displaying the content represented by the signal, the improvement wherein said arithmetic means includes (i) travelling distance deviation accumulating means for adding the deviation of the travelling distance with respect to the average speed initially set by said setting means to the deviations of the travelling distance whenever said average speed is altered, and means for feeding data showing the accumulated deviation of the travelling distance to said display means through said signal selector means; and (ii) travelling time deviation accumulating means for adding the deviation of the travelling time with respect to the average speed initially set by said setting unit to the deviations of the travelling time whenever said average speed is altered, and means for feeding data showing the accumulated deviation of the travelling time to said display means through said signal selector means.
Claim 2
Dependent Claim
295 words
In a navigation instrument for use with a road way vehicle, comprising: (a) distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; (b) time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; (c) speed setting means producing a signal showing a scheduled average speed; (d) arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; (e) signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means; (f) display means responsive to each signal applied thereto from said signal selector means for displaying the content represented by the signal, the improvement wherein said arithmetic means includes (i) travelling distance deviation accumulating means for adding the deviation of the travelling distance with respect to the average speed initially set by said setting means to the deviations of the travelling distance whenever said average speed is altered, and means for feeding data showing the accumulated deviation of the travelling distance to said display means through said signal selector means; and (ii) travelling time deviation accumulating means for adding the deviation of the travelling time with respect to the average speed initially set by said setting unit to the deviations of the travelling time whenever said average speed is altered, and means for feeding data showing the accumulated deviation of the travelling time to said display means through said signal selector means.
Claim 3
Dependent Claim
51 words
A navigation instrument for use with a roadway vehicle as defined in claim 1, wherein said arithmetic means further comprises a first counter for counting the pulses fed from said distance detector, said distance detector comprising a pulse generator for providing a pulse every time the vehicle travels a constant distance.
Claim 4
Dependent Claim
41 words
A navigation instrument for use with a roadway vehicle as defined in claim 2, wherein said arithmetic means further comprises a second counter for counting the pulses fed from said time detector means, said time detector comprising a clock pulse genrator.
Claim 5
Dependent Claim
34 words
A navigation instrument for use with a road way vehicle as defined in claim 1, which further comprises a set switch for loading the value set by said setting means into said arithmetic means.
Claim 6
Dependent Claim
44 words
A navigation instrument for use with a road way vehicle as defined in claim 4, wherein said arithmetic means further comprises a first memory in which the average speed set by said speed setting means is stored when said set switch is switched on.
Claim 7
Dependent Claim
46 words
A navigation instrument for use with a roadway vehicle as defined in claim 3, which further comprises a clear switch for clearing said travelling distance and time accumulating means and a set switch for loading the value set by said setting means into said arithmetic means.
Claim 8
Dependent Claim
35 words
A navigation instrument for use with a road way vehicle as defined in claim 6, wherein said first and second counters are reset by a logical-OR output of said set switch and said clear switch.
Claim 9
Dependent Claim
112 words
A navigation instrument for use with a roadway vehicle as defined in claim 7, wherein said travelling distance deviation accumulating means comprises a first adder having one input terminal to which data showing the deviation of the travelling distance with respect to the average speed initially set by said setting means is fed, and the other input terminal to which storage data stored in a memory is fed, said memory being connected to the output terminal of said first adder while the output terminal thereof is connected to the input terminal of said first adder, said memory being connected to be reset by said clear switch and write-enabled by said set switch.
Claim 10
Dependent Claim
109 words
A navigation instrument for use with a roadway vehicle as defined in claim 7, wherein said travelling time deviation accumulating means comprises an adder having one input terminal to which data showing the deviation of the travelling time with respect to the average speed initially set by said setting means is fed, and the other input terminal to which storage data stored in a memory is fed, said memory being connected to the input terminal of said adder while the output terminal thereof is connected to the input terminal of said adder, said memory being connected to be reset by said clear switch and write-enabled by said set switch.
Claim 11
Dependent Claim
227 words
A navigation instrument for use with a roadway vehicle comprising: a distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; a time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; speed setting means producing a signal showing a scheduled average speed; arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; travelling distance deviation accumulating means incorporated with said arithmetic means for adding the deviation of the travelling distance with respect to the average speed initially set by said setting means to the deviations of the travelling distance whenever said average speed is altered, and said travelling distance deviation accumulating means incorporating a means for feeding data showing the accumulated deviation of the travelling distance to be displayed; signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means; and display means responsive to each signal applied thereto from said signal selector means for displaying the content represented by the signal.
Claim 12
Dependent Claim
227 words
A navigation instrument for use with a roadway vehicle comprising: a distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; a time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; speed setting means producing a signal showing a scheduled average speed; arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; travelling distance deviation accumulating means incorporated with said arithmetic means for adding the deviation of the travelling distance with respect to the average speed initially set by said setting means to the deviations of the travelling distance whenever said average speed is altered, and said travelling distance deviation accumulating means incorporating a means for feeding data showing the accumulated deviation of the travelling distance to be displayed; signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means; and display means responsive to each signal applied thereto from said signal selector means for displaying the content represented by the signal.
Claim 13
Dependent Claim
206 words
A navigation instrument for use with a roadway vehicle comprising: a distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; a time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; speed setting means producing a signal showing a scheduled average speed; arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; travelling time deviation accumulating means incorporated with said arithmetic means for adding the deviation of the travelling time with respect to the average speed initially set by said setting means to the deviations of the travelling time whenever said average speed is altered, and said travelling time deviation accumulating means incorporating a means for feeding data showing the accumulated deviation of the travelling distance to be displayed; and signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means.
Claim 14
Dependent Claim
206 words
A navigation instrument for use with a roadway vehicle comprising: a distance detector means producing a signal showing the distance of travel of the vehicle from a starting point; a time detector means producing a signal showing the length of time it takes the vehicle to travel said distance; speed setting means producing a signal showing a scheduled average speed; arithmetic means responsive to said vehicle travelling distance and time showing signals and said scheduled average speed showing signal, and producing three data signals showing the average speed of the vehicle, the deviation of the travelling distance from a scheduled one, and the deviation of the travelling time from a scheduled one; travelling time deviation accumulating means incorporated with said arithmetic means for adding the deviation of the travelling time with respect to the average speed initially set by said setting means to the deviations of the travelling time whenever said average speed is altered, and said travelling time deviation accumulating means incorporating a means for feeding data showing the accumulated deviation of the travelling distance to be displayed; and signal selector means responsive to a data selector command from said arithmetic means, and sequentially outputting one of said three data signals from said arithmetic means.
Claim 15
Dependent Claim
51 words
A navigation instrument for use with a roadway vehicle as defined in claim 10, wherein said arithmetic means further comprises a first counter for counting the pulse fed from said distance detector, said distance detector comprising a pulse generator for providing a pulse every time the vehicle travels a constant distance.
Claim 16
Dependent Claim
41 words
A navigation instrument for use with a roadway vehicle as defined in claim 11, wherein said arithmetic means further comprises a counter for counting the pulses fed from said time detector means, said time detector means comprising a clock pulse generator.
Claim 17
Dependent Claim
35 words
A navigation instrument for use with a roadway vehicle as defined in claim 10 or 11, which further comprises a set switch for loading the value set by said setting means into said arithmetic means.
Claim 18
Dependent Claim
42 words
A navigation instrument for use with a roadway vehicle as defined in claim 14, wherein said arithmetic means further comprises a memory in which the average speed set by said speed setting means is stored when said set switch is switched on.
Claim 19
Dependent Claim
27 words
A navigation instrument for use with a roadway vehicle as defined in claim 10 or 11, which further comprises a clear switch for clearing the accumulating means.
Claim 20
Dependent Claim
58 words
A navigation instrument for use with a roadway vehicle as defined in claim 12, including a clear switch for clearing the accumulating means and a set switch for loading the value set by said setting means into said arithmetic means wherein said first counter is reset by a logical-OR output of said set switch and said clear switch.
Claim 21
Dependent Claim
57 words
A navigation instrument for use with a roadway vehicle as defined in claim 13, including a clear switch for clearing the accumulating means and a set switch for loading the value set by said setting means into said arithmetic means, wherein said counter is reset by a logical-OR output of said set switch and said clear switch.
Claim 22
Dependent Claim
113 words
A navigation instrument for use with a roadway vehicle as defined in claim 17, and wherein said travelling distance deviation accumulating means comprises an adder having one input terminal to which data showing the deviation of the travelling distance with respect to the average speed initially set by said setting means is fed, and a second input terminal to which storage data stored in a memory is fed, said memory being connected to the output terminal of said adder while the output terminal of said memory is connected to the second input terminal of said adder, said memory being connected to be reset by said clear switch and write-enabled by said set switch.
Claim 23
Dependent Claim
119 words
A navigation instrument for use with a roadway vehicle as defined in claim 18 wherein said travelling time deviation accumulating means comprises an adder having one input terminal to which data showing the deviation of the travelling time with respect to the average speed initially set by said setting means is fed, and a second input terminal to which storage data stored in a memory is fed, said memory being connected to the input terminal of which is connected to the output terminal of said adder while the output terminal thereof is connected to the second input terminal of said adder, said memory being connected to be reset by said clear switch and write enabled by said set switch.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |