CA877464A - Photoelectric keyboard - Google Patents

Photoelectric keyboard

Info

Publication number
CA877464A
CA877464A CA877464A CA877464DA CA877464A CA 877464 A CA877464 A CA 877464A CA 877464 A CA877464 A CA 877464A CA 877464D A CA877464D A CA 877464DA CA 877464 A CA877464 A CA 877464A
Authority
CA
Canada
Prior art keywords
photoelectric keyboard
photoelectric
keyboard
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
CA877464A
Inventor
M. Leno Theodore
A. Glorioso Charles
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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA877464A publication Critical patent/CA877464A/en
Expired legal-status Critical Current

Links

CA877464A Photoelectric keyboard Expired CA877464A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA877464T

Publications (1)

Publication Number Publication Date
CA877464A true CA877464A (en) 1971-08-03

Family

ID=36363325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA877464A Expired CA877464A (en) Photoelectric keyboard

Country Status (1)

Country Link
CA (1) CA877464A (en)

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