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CA965179A - Ultrasonic tracking and locating system - Google Patents

Ultrasonic tracking and locating system

Info

Publication number
CA965179A
CA965179ACA148,950ACA148950ACA965179ACA 965179 ACA965179 ACA 965179ACA 148950 ACA148950 ACA 148950ACA 965179 ACA965179 ACA 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 IncfiledCriticalRecognition Devices Inc
Priority to CA148,950ApriorityCriticalpatent/CA965179A/en
Application grantedgrantedCritical
Publication of CA965179ApublicationCriticalpatent/CA965179A/en
Expiredlegal-statusCriticalCurrent

Links

CA148,950A1972-08-081972-08-08Ultrasonic tracking and locating systemExpiredCA965179A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
CA148,950ACA965179A (en)1972-08-081972-08-08Ultrasonic tracking and locating system

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
CA148,950ACA965179A (en)1972-08-081972-08-08Ultrasonic tracking and locating system

Publications (1)

Publication NumberPublication Date
CA965179Atrue CA965179A (en)1975-03-25

Family

ID=4094071

Family Applications (1)

Application NumberTitlePriority DateFiling Date
CA148,950AExpiredCA965179A (en)1972-08-081972-08-08Ultrasonic tracking and locating system

Country Status (1)

CountryLink
CA (1)CA965179A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4549264A (en)*1983-10-041985-10-22B.I. IncorporatedTime and accounting system
US4598275A (en)*1983-05-091986-07-01Marc Industries IncorporatedMovement monitor
US4658357A (en)*1983-10-041987-04-14B.I. IncorporatedTime and accounting system
US4740788A (en)*1986-10-061988-04-26Konneker Lloyd KMethod of providing location dependent visitor dispatching service
US5204670A (en)*1988-08-291993-04-20B. I. IncorporatedAdaptable electric monitoring and identification system
US5369699A (en)*1988-08-291994-11-29Bi IncorporatedAdaptable personnel supervisory system with automatic fee collection
US5627524A (en)*1993-06-071997-05-06Lifecom, LlcInfrared locator system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US4598275A (en)*1983-05-091986-07-01Marc Industries IncorporatedMovement monitor
US4549264A (en)*1983-10-041985-10-22B.I. IncorporatedTime and accounting system
US4658357A (en)*1983-10-041987-04-14B.I. IncorporatedTime and accounting system
US4740788A (en)*1986-10-061988-04-26Konneker Lloyd KMethod of providing location dependent visitor dispatching service
US5204670A (en)*1988-08-291993-04-20B. I. IncorporatedAdaptable electric monitoring and identification system
US5369699A (en)*1988-08-291994-11-29Bi IncorporatedAdaptable personnel supervisory system with automatic fee collection
US5627524A (en)*1993-06-071997-05-06Lifecom, LlcInfrared locator system

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