[특허]Electronic car bumper

[미국특허] Electronic car bumper 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60K-028/10
출원번호	US-0872909 (1992-04-23)
우선권정보	JP-0126858 (1991-04-30); JP-0176170 (1991-06-20)
발명자 / 주소	Hayashida Tatekazu (Kanagawa JPX)
출원인 / 주소	Tsuden Kabushiki Kaisha (Kanagawa JPX 03)
인용정보	피인용 횟수 : 49 인용 특허 : 0

초록 ▼

A plurality of sensitive high-frequency proximity switches are provided in the bumper of a car and obstacles can be accurately identified. The electronic car bumper includes: a plurality of sensor portions each having sensor plates, first loading coils, and a divided capacitor, and a reference resonance circuit having a reference capacitor, a second loading coil and a divided capacitor. An oscillator drives each of the sensor portions and the reference resonance circuit through switching devices, and a detector detects an output of the oscillator. A discrimination portion discriminates an output of the detector and provides a discriminated signal to an output portion corresponding to the sensors and the reference resonance circuit. A synchronous device switches the switching device and the discriminator portion in synchronization. A direct current amplifier has an output which is adjusted to a point at zero as a reference voltage for the output corresponding to the reference resonance circuit, and a comparator is adjusted to a threshold reference according to the reference voltage.

대표청구항 ▼

An electronic car bumper comprising: a plurality of sensors, provided in a car bumper, each including sensor plates, a first loading coil coupled to one of said sensor plates, and a first divided capacitor coupled to said loading coil; a reference resonance circuit including a reference capacitor, a second loading coil coupled to said reference capacitor and a second divided capacitor coupled to said second loading coil; an oscillator which selectively drives any one of said sensors and said reference resonance circuit through a switch device; a detector for detecting an output of said oscillating portion; a discriminator for discriminating an output of said detector and providing a corresponding discriminating signal as a first output associated with said sensors and a second output associated with said reference resonance circuit; a synchronous means for switching said switch device and said first and second outputs of said discriminator in synchronization; a direct current amplifier for amplifying the first output of said discriminator associated with said sensors, in which an output of the amplifier is adjusted to a point at zero as a reference voltage according to the second output of said discriminator portion associated with said reference resonance circuit; and a comparator which compares an output of said direct current amplifier with a threshold reference which is adjusted according to said reference voltage.

이 특허를 인용한 특허 (49) 인용/피인용 타임라인 분석

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Newman, Todd R.; Washeleski, John M., Keyless entry assembly having capacitance sensor operative for detecting objects.
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Haag, Ronald Helmut; Pasiecznik, Jr., John, Method and apparatus for detecting a change in capacitance of a capacitive proximity sensor.
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Delcheccolo, Michael Joseph; Russell, Mark E.; Woodington, Walter Gordon; Pleva, Joseph S.; Firda, John M.; Van Rees, H. Barteld, Near object detection system.
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Delcheccolo, Michael Joseph; Russell, Mark E.; Woodington, Walter Gordon; Pleva, Joseph S.; Van Rees, H. Barteld, Near object detection system.
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Haag, Ronald Helmut; Deplae, Brian; Husic, Jeremy M.; Pasiecznik, Jr., John, Non-contact obstacle detection system utilizing ultra sensitive capacitive sensing.
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Daniel Thomas R., Optically clear housing and reduced cure time potting compound for use with object sensor.
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Russell, Mark E.; Delcheccolo, Michael Joseph; Firda, John M., Path prediction system and method.
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Aubry, Jean-Marcel, Proximity detection device for a motor vehicle.
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Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Pleva, Joseph S.; Russell, Mark E.; Van Rees, H. Barteld, Radar detection method and apparatus.
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Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Pleva, Joseph S.; Russell, Mark E.; Van Rees, H. Barteld, Radar detection method and apparatus.
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Woodington,Walter Gordon; Delcheccolo,Michael Joseph; Pleva,Joseph S.; Russell,Mark E.; Van Rees,H. Barteld, Radar detection method and apparatus.
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Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Pleva, Joseph S.; Russell, Mark E.; Van Rees, H. Barteld; Hanson, James T., Radar transmitter circuitry and techniques.
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Gruber, Robin; Baumann, Andreas, Robust capacitive distance sensor.
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Russell, Mark E.; Delcheccolo, Michael Joseph; Woodington, Walter Gordon; Van Rees, H. Barteld; Firda, John Michael; Lippert, Delbert, Safe distance algorithm for adaptive cruise control.
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Russell, Mark E.; Delcheccolo, Michael Joseph; Woodington, Walter Gordon; Van Rees, H. Barteld; Firda, John Michael; Lippert, Delbert, Safe distance algorithm for adaptive cruise control.
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Knoll Peter (Ettlingen DEX), System and method of installation for locating a hidden sensor externally active on a motor vehicle.
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Stephen P. LeBlanc ; Joseph S. Pleva ; Walter Gordon Woodington ; Michael Joseph Delcheccolo ; Mark E. Russell ; H. Barteld Van Rees ; Caroline Breglia ; Richard P. Donovan, System and technique for mounting a radar system on a vehicle.
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Kudo Shigeki,JPX ; Endo Hiroshi,JPX ; Saito Masatoshi,JPX, TV antenna apparatus for vehicles.
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Pleva, Joseph S.; Russell, Mark E.; Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Van Rees, H. Barteld, Technique for changing a range gate and radar coverage.
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Pleva, Joseph S.; Russell, Mark E.; Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Van Rees, H. Barteld, Technique for changing a range gate and radar coverage.
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Pleva, Joseph S.; Russell, Mark E.; Woodington, Walter Gordon; Delcheccolo, Michael Joseph; Van Rees, H. Barteld, Technique for changing a range gate and radar for coverage.
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Newman, Todd R.; Washeleski, John M., Vehicle assemblies having fascia panels with capacitance sensors operative for detecting proximal objects.
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Washeleski, John; Newman, Todd R.; Blank, Andrew E.; Shank, David W.; Cox, II, Edward J.; Warnke, Douglas M.; Taylor, John M., Vehicle assembly having a capacitive sensor.
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Washeleski, John; Newman, Todd R.; Blank, Andrew E.; Shank, David W.; Cox, II, Edward J.; Warnke, Douglas M.; Taylor, John M., Vehicle assembly having a capacitive sensor.
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Washeleski, John M.; Cox, II, Edward J.; Blank, Andrew E.; Shank, David W.; Newman, Todd R., Vehicle keyless entry assembly having capacitance sensor operative for detecting objects.
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Hawes, Kevin J.; Fultz, William W.; Murphy, Morgan D., Vehicle pedestrian impact sensor with proximity arming.
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Meier Johann,DEX ; Zoller Karl-Heinz,DEX ; Handschiegel Thomas,DEX, contact member for an ultrasonic transducer.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electronic car bumper 원문보기