JPS5618710A - Distance measuring instrument - Google Patents
Distance measuring instrumentInfo
- Publication number
- JPS5618710A JPS5618710A JP9384579A JP9384579A JPS5618710A JP S5618710 A JPS5618710 A JP S5618710A JP 9384579 A JP9384579 A JP 9384579A JP 9384579 A JP9384579 A JP 9384579A JP S5618710 A JPS5618710 A JP S5618710A
- Authority
- JP
- Japan
- Prior art keywords
- detectors
- ratio
- outputs
- light reflected
- reflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
PURPOSE: To reduce the size and weight of a device, by measuring a single contact light beam in terms of the ratio of remote reflection to nearby reflection.
CONSTITUTION: The output of an oscillator 1 is applied to an LED2 so that the LED emits infrared rays within a solid angle with prescribed directivity. A detector 3 has a beamlike light reception field Z1 to receive light reflected within a short distance. Another detector 5 has a beamlike light reception field Z2 to receive light reflected within a long distance. These detectors 3, 5 are so placed that they receive the light reflected within the short and the long distances, respectively. Light reflected within a medium distance is received by both the detectors in proportion to the distances between the reflection point and the positions of the detectors. The detectors generate outputs corresponding to the quantities of light received by them. The outputs are amplified by amplifiers 4, 6. The amplified output signals are detected. The detected outputs are applied to a differential amplifier so that the ratio of both the outputs is determined, for example. The position of a reflection surface can be found out from the ratio. An output corresponding to the ratio is indicated by increase or decrease in the intensity of a sound or by the lighting-on-and-off of a lamp.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384579A JPS5618710A (en) | 1979-07-23 | 1979-07-23 | Distance measuring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9384579A JPS5618710A (en) | 1979-07-23 | 1979-07-23 | Distance measuring instrument |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5618710A true JPS5618710A (en) | 1981-02-21 |
Family
ID=14093732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9384579A Pending JPS5618710A (en) | 1979-07-23 | 1979-07-23 | Distance measuring instrument |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5618710A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5890173A (en) * | 1981-11-25 | 1983-05-28 | Tokyo Keiki Co Ltd | Detecting device for deflection of accelerometer |
JPS58166281A (en) * | 1982-03-27 | 1983-10-01 | Kokuritsu Kogai Kenkyusho | Continuous output rider for pseudo random modulation |
JPS58211677A (en) * | 1982-06-02 | 1983-12-09 | Nissan Motor Co Ltd | Optical radar device |
JPS59126273A (en) * | 1983-01-07 | 1984-07-20 | Fujitsu Ten Ltd | Obstacle detecting apparatus |
JPS59126276A (en) * | 1983-01-07 | 1984-07-20 | Fujitsu Ten Ltd | Apparatus for detecting obstacle in lateral side of automobile |
JPS6130878U (en) * | 1984-07-27 | 1986-02-24 | サンクス株式会社 | Reflective photoelectric switch |
JPS63195514A (en) * | 1987-02-05 | 1988-08-12 | カール・ツアイス‐スチフツング | Optoelectronic distance sensor |
JPH0361591U (en) * | 1989-10-20 | 1991-06-17 | ||
JPH041523U (en) * | 1990-04-17 | 1992-01-08 | ||
US5550628A (en) * | 1982-05-20 | 1996-08-27 | Canon Kabushiki Kaisha | Distance measuring device |
JP2009531691A (en) * | 2006-03-31 | 2009-09-03 | エイチツーアイ テクノロジーズ | Method and apparatus for optically determining the position of an object |
EP3006891A1 (en) * | 2014-10-10 | 2016-04-13 | Torque and More (TAM) GmbH | Distance measurement arrangement for an air spring using infrared |
JP2016076248A (en) * | 2012-09-21 | 2016-05-12 | アイロボット コーポレイション | Proximity sensing on mobile robots |
-
1979
- 1979-07-23 JP JP9384579A patent/JPS5618710A/en active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5890173A (en) * | 1981-11-25 | 1983-05-28 | Tokyo Keiki Co Ltd | Detecting device for deflection of accelerometer |
JPS58166281A (en) * | 1982-03-27 | 1983-10-01 | Kokuritsu Kogai Kenkyusho | Continuous output rider for pseudo random modulation |
US6084658A (en) * | 1982-05-20 | 2000-07-04 | Canon Kabushiki Kaisha | Distance measuring apparatus |
US5550628A (en) * | 1982-05-20 | 1996-08-27 | Canon Kabushiki Kaisha | Distance measuring device |
JPS58211677A (en) * | 1982-06-02 | 1983-12-09 | Nissan Motor Co Ltd | Optical radar device |
JPS59126273A (en) * | 1983-01-07 | 1984-07-20 | Fujitsu Ten Ltd | Obstacle detecting apparatus |
JPS59126276A (en) * | 1983-01-07 | 1984-07-20 | Fujitsu Ten Ltd | Apparatus for detecting obstacle in lateral side of automobile |
JPS6130878U (en) * | 1984-07-27 | 1986-02-24 | サンクス株式会社 | Reflective photoelectric switch |
JPS63195514A (en) * | 1987-02-05 | 1988-08-12 | カール・ツアイス‐スチフツング | Optoelectronic distance sensor |
JPH0361591U (en) * | 1989-10-20 | 1991-06-17 | ||
JPH041523U (en) * | 1990-04-17 | 1992-01-08 | ||
JP2009531691A (en) * | 2006-03-31 | 2009-09-03 | エイチツーアイ テクノロジーズ | Method and apparatus for optically determining the position of an object |
JP2016076248A (en) * | 2012-09-21 | 2016-05-12 | アイロボット コーポレイション | Proximity sensing on mobile robots |
JP2018028947A (en) * | 2012-09-21 | 2018-02-22 | アイロボット コーポレイション | Mobile robot proximity detection |
US10429851B2 (en) | 2012-09-21 | 2019-10-01 | Irobot Corporation | Proximity sensing on mobile robots |
EP3006891A1 (en) * | 2014-10-10 | 2016-04-13 | Torque and More (TAM) GmbH | Distance measurement arrangement for an air spring using infrared |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5618710A (en) | Distance measuring instrument | |
GB1474191A (en) | Measurement of surface roughness | |
JPS54154351A (en) | Distance measuring device | |
US5130543A (en) | Direction sensitive energy detecting apparatus | |
JPS57144409A (en) | Distance detector | |
JPS5540959A (en) | Distance measuring unit | |
ES2178839T3 (en) | SMOKE DETECTOR. | |
JPH0274890A (en) | Coupling type scintillator | |
JPS55119006A (en) | Displacement measuring instrument | |
GB2016141A (en) | Photodetector system | |
JPS5630724A (en) | Inspecting device of substrate surface | |
EP0391278A3 (en) | Doppler velocity meter | |
JPS5796203A (en) | Contactless displacement detector employing optical fiber | |
JPS5337457A (en) | Distance measuring device | |
NO913936L (en) | MEASURING DETECTOR ELIMINATING INSIDE THE RANGE OF SENSITIVITY | |
SU739448A1 (en) | Method of measuring waviness of water surface | |
JPS57187676A (en) | Measuring device for distance | |
JPS55121113A (en) | Tactile sensor using semiconductor device | |
JPS542700A (en) | Optical fire detector | |
JPS5527917A (en) | Method of detecting crack on bottle type body | |
JPH0348530B2 (en) | ||
JPS53107865A (en) | Detector of minute undulations | |
JPS5267384A (en) | Reflectance and transmissivity meter | |
JPS5757004A (en) | Reflective antenna | |
SU1179757A1 (en) | Method for remote measurement of laser beam diameter |