CA631565A - Closed circuit television system for prompting - Google Patents

Closed circuit television system for prompting

Info

Publication number
CA631565A
CA631565A CA631565A CA631565DA CA631565A CA 631565 A CA631565 A CA 631565A CA 631565 A CA631565 A CA 631565A CA 631565D A CA631565D A CA 631565DA CA 631565 A CA631565 A CA 631565A
Authority
CA
Canada
Prior art keywords
prompting
closed circuit
television system
circuit television
closed
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
CA631565A
Inventor
Oppenheimer Jess
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA631565A publication Critical patent/CA631565A/en
Expired legal-status Critical Current

Links

CA631565A Closed circuit television system for prompting Expired CA631565A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA631565T

Publications (1)

Publication Number Publication Date
CA631565A true CA631565A (en) 1961-11-28

Family

ID=35887707

Family Applications (1)

Application Number Title Priority Date Filing Date
CA631565A Expired CA631565A (en) Closed circuit television system for prompting

Country Status (1)

Country Link
CA (1) CA631565A (en)

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