[특허]Method and device for determining acceleration and/or deceleration of a moving object

[미국특허] Method and device for determining acceleration and/or deceleration of a moving object 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/20 G01P-003/42
출원번호	US-0223845 (1981-01-09)
우선권정보	JP-0002143 (1980-01-14)
발명자 / 주소	Kubo Jun (Hino JPX) Honda Minoru (Yokohama JPX)
출원인 / 주소	Nissan Motor Company, Limited (Yokohama JPX 03)
인용정보	피인용 횟수 : 43 인용 특허 : 4

초록 ▼

An acceleration sensor acts on the variable-frequency pulses of a speed sensor signal to recognize any variation of the pulse period thereof and to produce an output indicative of the magnitude of the detected variation to within a fixed degree of accuracy. The periods of groups of known, variable number pulse groups are measured with reference to a fixed-frequency clock pulse signal and the measurement periods of successive groups of equal numbers of pulses are compared. If the difference between pulse group periods is zero or less than a predetermined value, the number of pulses in each group is increased in order to increase the total number of clock pulses during the measurement interval. The number of pulses per group is increased until the difference between measured periods exceeds the predetermined value or until the number of pulses per group reaches a predetermined maximum. Acceleration rate calculations and memory control procedures are designed to take into account the variation of the number of pulses per group.

대표청구항 ▼

A device for determining the acceleration or deceleration of an object comprising: a speed sensor for determining the speed of the object and producing a sensor signal in the form a train of pulses, each of a period corresponding to the determined speed of the object; a clock signal generator for producing a train of clock pulses of a constant frequency; a counter means for counting the clock pulses and for latching the counted value after a selected number of sensor signal pulses have been received; a memory means for storing the latched counter values, wherein said memory means renews at least one of the stored values each cycle of device operation in a selected shifting mode; an arithmetic means for processing the stored values in said memory means and determining the acceleration or deceleration of the object on the basis of any difference between the stored values in said memory means, said arithmetic means producing a command for increasing the number of pulses of the sensor signal over which the clock pulses are to be measured when the difference between the stored value is less than a predetermined value; and a controller means responsive to said command to determine the number of pulses of the sensor signal over which the clock pulses are measured for a succeeding cycle of device operation, said controller being operative for determining the shifting mode for the values stored in the memory means on the basis of the selected number of pulses, said controller means producing a latch signal for causing said counter means to latch the counted value and a shift control signal for controlling the shifting operation of said memory means.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Woodhouse Richard G. (Birmingham GB2) Salway Peter H. (Birmingham GB2), Acceleration sensor.
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Ando Noriyoshi (Kariya JA) Yamaguchi Hiroaki (Anjo JA), Digital acceleration detecting system.
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Wolff Manfred (Ladenburg DEX), Method for obtaining an acceleration or deceleration signal from a signal proportional to speed and apparatus therefor.
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Bounds Peter (Simi Valley CA), Wheel speed signal-producing system for skid control.
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이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

Kubo Jun (Hino JPX), Anti-lock brake control system including a procedure of sampling of input time data of wheel speed sensor signals and me.
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Kubo Jun (Hino JPX), Anti-skid automotive brake control system including wheel deceleration calculation with shorter lag-time and method for.
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Kubo Jun (Hino JPX), Anti-skid brake control system and method featuring vehicle battery protection.
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Matsuda Toshiro (Sagamihara JPX), Anti-skid brake control system for automotive brake system with extrapolation of wheel acceleration.
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Kubo Jun (Hino JPX), Anti-skid brake control system for automotive vehicle.
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Matsuda Toshiro (Kanagawa JPX), Anti-skid brake control system for automotive vehicle with feature of derivation of road surface friction representative.
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Yasuno Yoshiki (Kanagawa JPX) Ishikawa Yasuki (Tokyo JPX) Higashimata Akira (Kanagawa JPX) Fujishiro Takeshi (Kanagawa JPX), Anti-skid brake control system for automotive vehicle, particularly for vehicle having selective two-wheel and four-whee.
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Kubo Jun (Hino JPX), Anti-skid brake control system including fluid pump and driver circuit therefor.
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Matsuda Toshiro (Sagamihara JPX), Anti-skid brake control system performing skid control with both open and close feedback techniques.
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Matsuda Toshiro (Sagamihara JPX), Anti-skid brake control system performing skid control with both open and close feedback techniques.
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Kubo Jun (Hino JPX), Anti-skid brake control system with a plurality of independently operative digital controllers.
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Higashimata Akira (Kanagawa JPX) Yasuno Yoshiki (Kanagawa JPX), Anti-skid brake control system with avoidance of abrupt and substantial variation of wheel slippage.
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Higashimata Akira (Kanagawa JPX) Ishikawa Yasuki (Tokyo JPX) Yasuno Yoshiki (Kanagawa JPX) Fujishiro Takeshi (Kanagawa JPX), Anti-skid brake control system with capability of eliminating influence of noise in derivation of wheel acceleration dat.
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Kubo Jun (Hino JPX), Anti-skid brake control system with control of sampling timing of input timing values of wheel speed sensor signal pulse.
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Ishikawa Yasuki (Tokyo JPX) Yasuno Yoshiki (Kanagawa JPX) Higashimata Akira (Kanagawa JPX) Fujishiro Takeshi (Kanagawa JPX), Anti-skid brake control system with feature of projection of vehicle body speed representative data with high precision.
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Kubo Jun (Hino JPX), Anti-skid brake control system with operation control for a pressure reduction fluid pump in hydraulic brake circuit.
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Kubo Jun (Hino JPX), Anti-skid brake control system with operational mode control and method therefor.
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Kubo Jun (Hino JPX), Anti-skid brake control system with reduced duration of wheel acceleration and deceleration calculation.
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Kubo Jun (Hino JPX), Anti-skid brake control system with sample control of sensor signal input time data, and method therefor.
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Iwata Kazuroh (Kanagawa JPX) Yagi Eiji (Kanagawa JPX) Yamaguchi Hirotsugu (Kanagawa JPX) Hano Sunao (Kanagawa JPX), Anti-skid brake control system with vehicle speed dependent variable slippage threshold feature.
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Kubo Jun (Hino JPX), Anti-skid control system for automotive brake system with sample control for sampling input timing of sensor signal puls.
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Masaki Shouichi (Anjo JPX) Tamura Kimio (Anjo JPX) Nakashima Noriyuki (Nagoya JPX) Wakao Teruyoshi (Nagoya JPX) Asami Ken (Nagoya JPX) Sakai Kazunori (Nagoya JPX), Antiskid control with surface roughness compensation.
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Kubo Jun (Hino JPX), Automotive anti-skid brake control system with sampling input time data of wheel speed sensor signals.
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Kubo Jun (Hino JPX), Automotive anti-skid control system with control of sampling of input time data of wheel speed sensor signals and method.
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Julicher, Joseph; Kilzer, Kevin; Eeden, Cobus Van, Digital period divider.
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Julicher, Joseph; Kilzer, Kevin; Van Eeden, Cobus, Digital period divider.
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Goodzey Gregory P. (Mishawaka IN), Digital rate detection circuit.
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Matsuda Toshiro (Sagamihara JPX), Fail-safe system in anti-skid brake control system for automotive vehicles.
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Sibenac, Mark; Strother, Daniel; Tascione, Daniel; Jones, Morgan; Brindza, Jordan, Formatting sensor data for use in autonomous vehicle communications platform.
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Tascione, Daniel; Waters, Justin; Sibenac, Mark; Brindza, Jordan; Strother, Daniel Leland; Jones, Morgan, Formatting sensor data for use in autonomous vehicle communications platform.
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Matsuda Toshiro (Sagamihara JPX), Malfunction preventive anti-skid brake control system for automotive brake system.
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Ariav Aryeh,ILX ; Ravitch Vladimir,ILX, Method and apparatus for measuring acceleration.
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Kubo Jun (Hino JPX), Method and system for deriving wheel acceleration and deceleration in automotive anti-skid brake control systems.
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Kubo ; Jun (Hino JPX), Method and system for deriving wheel rotation speed data for automotive anti-skid control.
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Kubo Jun (Hino JPX), Method and system for deriving wheel rotation speed data for automotive anti-skid control.
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Matsuda Toshiro (Sagamihara JPX), Method and system for performing fail-safe operation for anti-skid automotive brake control system having a plurality of.
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Kubo Jun (Hino JPX), Method and system for sampling input time data for wheel speed sensor in an automotive anti-skid brake control system.
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Takata Koji (Itami JPX) Matsumoto Tatsuji (Itami JPX), Method of and apparatus for measuring revolution speed in response to pulse signals detected from a rotary member.
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Masaki Syouichi (Anjo JPX) Nakashima Noriyuki (Nagoya JPX), Road condition discriminating system.
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Jones, Morgan, System and method for sensor triggering for synchronized operation.
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Sibenac, Mark; Strother, Daniel; Tascione, Daniel; Jones, Morgan; Brindza, Jordan, System for acquiring time-synchronized sensor data.
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Sibenac, Mark; Strother, Daniel; Tascione, Daniel; Jones, Morgan; Brindza, Jordan, System for processing asynchronous sensor data.
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Spencer Henry B. (Peebles GB6) Owen Gwilym M. (Penicuik GB6), Vehicle monitoring device.
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연합인증

[미국특허] Method and device for determining acceleration and/or deceleration of a moving object 원문보기

초록 ▼

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연구과제 타임라인

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

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[미국특허] Method and device for determining acceleration and/or deceleration of a moving object 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (43) 인용/피인용 타임라인 분석

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