JPS5376697A - Microwave recognizing apparatus - Google Patents
Microwave recognizing apparatusInfo
- Publication number
- JPS5376697A JPS5376697A JP15239976A JP15239976A JPS5376697A JP S5376697 A JPS5376697 A JP S5376697A JP 15239976 A JP15239976 A JP 15239976A JP 15239976 A JP15239976 A JP 15239976A JP S5376697 A JPS5376697 A JP S5376697A
- Authority
- JP
- Japan
- Prior art keywords
- microwave
- recognizing apparatus
- recognizing
- codes
- recognized
- 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
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
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
- G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Traffic Control Systems (AREA)
- Aerials With Secondary Devices (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
PURPOSE:To obtain a recognizing apparatus of a simple constitution of small transmission power without requiring power source for the apparatus to be recognized and of easy changing of codes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15239976A JPS5376697A (en) | 1976-12-17 | 1976-12-17 | Microwave recognizing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15239976A JPS5376697A (en) | 1976-12-17 | 1976-12-17 | Microwave recognizing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5376697A true JPS5376697A (en) | 1978-07-07 |
Family
ID=15539654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15239976A Pending JPS5376697A (en) | 1976-12-17 | 1976-12-17 | Microwave recognizing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5376697A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0456676A (en) * | 1990-06-25 | 1992-02-24 | Matsushita Electric Ind Co Ltd | Train number collecting method |
-
1976
- 1976-12-17 JP JP15239976A patent/JPS5376697A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0456676A (en) * | 1990-06-25 | 1992-02-24 | Matsushita Electric Ind Co Ltd | Train number collecting method |
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