CA965179A - Ultrasonic tracking and locating system - Google Patents

Ultrasonic tracking and locating system

Info

Publication number
CA965179A
CA965179A CA148,950A CA148950A CA965179A CA 965179 A CA965179 A CA 965179A CA 148950 A CA148950 A CA 148950A CA 965179 A CA965179 A CA 965179A
Authority
CA
Canada
Prior art keywords
locating system
ultrasonic tracking
tracking
ultrasonic
locating
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
CA148,950A
Other versions
CA148950S (en
Inventor
Robert W. Lester
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.)
Recognition Devices Inc
Original Assignee
Recognition Devices Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Recognition Devices Inc filed Critical Recognition Devices Inc
Priority to CA148,950A priority Critical patent/CA965179A/en
Application granted granted Critical
Publication of CA965179A publication Critical patent/CA965179A/en
Expired legal-status Critical Current

Links

CA148,950A 1972-08-08 1972-08-08 Ultrasonic tracking and locating system Expired CA965179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA148,950A CA965179A (en) 1972-08-08 1972-08-08 Ultrasonic tracking and locating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA148,950A CA965179A (en) 1972-08-08 1972-08-08 Ultrasonic tracking and locating system

Publications (1)

Publication Number Publication Date
CA965179A true CA965179A (en) 1975-03-25

Family

ID=4094071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA148,950A Expired CA965179A (en) 1972-08-08 1972-08-08 Ultrasonic tracking and locating system

Country Status (1)

Country Link
CA (1) CA965179A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549264A (en) * 1983-10-04 1985-10-22 B.I. Incorporated Time and accounting system
US4598275A (en) * 1983-05-09 1986-07-01 Marc Industries Incorporated Movement monitor
US4658357A (en) * 1983-10-04 1987-04-14 B.I. Incorporated Time and accounting system
US4740788A (en) * 1986-10-06 1988-04-26 Konneker Lloyd K Method of providing location dependent visitor dispatching service
US5204670A (en) * 1988-08-29 1993-04-20 B. I. Incorporated Adaptable electric monitoring and identification system
US5369699A (en) * 1988-08-29 1994-11-29 Bi Incorporated Adaptable personnel supervisory system with automatic fee collection
US5627524A (en) * 1993-06-07 1997-05-06 Lifecom, Llc Infrared locator system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598275A (en) * 1983-05-09 1986-07-01 Marc Industries Incorporated Movement monitor
US4549264A (en) * 1983-10-04 1985-10-22 B.I. Incorporated Time and accounting system
US4658357A (en) * 1983-10-04 1987-04-14 B.I. Incorporated Time and accounting system
US4740788A (en) * 1986-10-06 1988-04-26 Konneker Lloyd K Method of providing location dependent visitor dispatching service
US5204670A (en) * 1988-08-29 1993-04-20 B. I. Incorporated Adaptable electric monitoring and identification system
US5369699A (en) * 1988-08-29 1994-11-29 Bi Incorporated Adaptable personnel supervisory system with automatic fee collection
US5627524A (en) * 1993-06-07 1997-05-06 Lifecom, Llc Infrared locator system

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