JPS4923386B1 - - Google Patents
Info
- Publication number
- JPS4923386B1 JPS4923386B1 JP45026609A JP2660970A JPS4923386B1 JP S4923386 B1 JPS4923386 B1 JP S4923386B1 JP 45026609 A JP45026609 A JP 45026609A JP 2660970 A JP2660970 A JP 2660970A JP S4923386 B1 JPS4923386 B1 JP S4923386B1
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/12—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/04—Systems determining presence of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/527—Extracting wanted echo signals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/91—Portable sonar devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Rehabilitation Tools (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ15598069 | 1969-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4923386B1 true JPS4923386B1 (ja) | 1974-06-15 |
Family
ID=19916629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP45026609A Pending JPS4923386B1 (ja) | 1969-03-31 | 1970-03-31 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3718896A (ja) |
JP (1) | JPS4923386B1 (ja) |
DE (1) | DE2015294A1 (ja) |
GB (1) | GB1284027A (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948522A (en) * | 1973-04-04 | 1976-04-06 | Industrial Patent Development Corporation | Projectile simulation |
US4712003A (en) * | 1983-07-27 | 1987-12-08 | Itsuki Ban | Blind person guide device |
JPS60121483A (ja) * | 1983-12-06 | 1985-06-28 | オプト工業株式会社 | 盲人用誘導装置 |
US5298883A (en) * | 1992-01-17 | 1994-03-29 | Pilney Richard G | Proximity alert system |
GB2266369B (en) * | 1992-04-16 | 1996-08-07 | Meditronics Limited | Manoeuvring aid |
WO1995004440A1 (en) * | 1993-07-28 | 1995-02-09 | Board Of Regents, The University Of Texas System | Remotely controlled, infrared beacon system for guiding the visually impaired |
US5806017A (en) * | 1996-08-19 | 1998-09-08 | Board Of Regents The University Of Texas System | Electronic autorouting navigation system for visually impaired persons |
US5973618A (en) * | 1996-09-25 | 1999-10-26 | Ellis; Christ G. | Intelligent walking stick |
US6356210B1 (en) | 1996-09-25 | 2002-03-12 | Christ G. Ellis | Portable safety mechanism with voice input and voice output |
US6867697B2 (en) * | 2002-04-01 | 2005-03-15 | Pravin L. Nanayakkara | System for guiding the visually handicapped |
US7267281B2 (en) * | 2004-11-23 | 2007-09-11 | Hopkins Billy D | Location, orientation, product and color identification system for the blind or visually impaired |
US8810407B1 (en) * | 2010-05-27 | 2014-08-19 | Guardian Angel Navigational Concepts IP LLC | Walker with illumination, location, positioning, tactile and/or sensor capabilities |
US9539164B2 (en) | 2012-03-20 | 2017-01-10 | Xerox Corporation | System for indoor guidance with mobility assistance |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2511599A (en) * | 1945-03-03 | 1950-06-13 | Syivania Electric Products Inc | Range and direction finding apparatus |
US2580560A (en) * | 1947-05-17 | 1952-01-01 | Stromberg Carlson Co | Echo pulse system utilizing the first received echo for control purposes |
US2738487A (en) * | 1950-12-22 | 1956-03-13 | Rca Corp | Sonic depthometer |
US3360775A (en) * | 1965-08-24 | 1967-12-26 | Marriott Hot Shoppes Inc | Anticollision device and method |
-
1970
- 1970-03-27 US US00023283A patent/US3718896A/en not_active Expired - Lifetime
- 1970-03-31 JP JP45026609A patent/JPS4923386B1/ja active Pending
- 1970-03-31 GB GB05160/70A patent/GB1284027A/en not_active Expired
- 1970-03-31 DE DE19702015294 patent/DE2015294A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1284027A (en) | 1972-08-02 |
DE2015294A1 (de) | 1970-10-08 |
US3718896A (en) | 1973-02-27 |