CA463546A - Obstacle detection and communication system - Google Patents

Obstacle detection and communication system

Info

Publication number
CA463546A
CA463546A CA463546A CA463546DA CA463546A CA 463546 A CA463546 A CA 463546A CA 463546 A CA463546 A CA 463546A CA 463546D A CA463546D A CA 463546DA CA 463546 A CA463546 A CA 463546A
Authority
CA
Canada
Prior art keywords
communication system
obstacle detection
obstacle
detection
communication
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.)
Expired
Application number
CA463546A
Other languages
French (fr)
Inventor
Labin Emile
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA463546A publication Critical patent/CA463546A/en
Expired legal-status Critical Current

Links

CA463546A Obstacle detection and communication system Expired CA463546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA463546T

Publications (1)

Publication Number Publication Date
CA463546A true CA463546A (en) 1950-03-07

Family

ID=35593262

Family Applications (1)

Application Number Title Priority Date Filing Date
CA463546A Expired CA463546A (en) Obstacle detection and communication system

Country Status (1)

Country Link
CA (1) CA463546A (en)

Similar Documents

Publication Publication Date Title
CA463546A (en) Obstacle detection and communication system
CA462224A (en) Communication and signalling system
CA464169A (en) Radio detection system
CA467062A (en) Detection systems
CA469872A (en) Detection systems
CA463787A (en) Alarm system
CA467007A (en) Antenna systems
CA462225A (en) Communication system
CA462889A (en) Communication system
CA463584A (en) Communication system
CA464502A (en) Communication system
CA466168A (en) Communication system
CA462526A (en) Communication system
CA466393A (en) Coupling system
CA467129A (en) Signal systems
CA462704A (en) Antenna system
CA464824A (en) Antenna system
CA466300A (en) Antenna system
CA466862A (en) Antenna system
AU150866B2 (en) Antenna system
CA463707A (en) Antenna system
CA469905A (en) Communication systems
CA464324A (en) Radio transmitting and receiving system
CA462716A (en) Telegraph system
CA462915A (en) Telegraph system