CA413119A - Telephone key pulsing sender - Google Patents

Telephone key pulsing sender

Info

Publication number
CA413119A
CA413119A CA413119A CA413119DA CA413119A CA 413119 A CA413119 A CA 413119A CA 413119 A CA413119 A CA 413119A CA 413119D A CA413119D A CA 413119DA CA 413119 A CA413119 A CA 413119A
Authority
CA
Canada
Prior art keywords
sender
telephone key
key pulsing
pulsing
telephone
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
CA413119A
Other languages
French (fr)
Inventor
Philip Goodwin Wright Esmond
Saxon Snell Maurice
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 Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA413119A publication Critical patent/CA413119A/en
Expired legal-status Critical Current

Links

CA413119A Telephone key pulsing sender Expired CA413119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA413119T

Publications (1)

Publication Number Publication Date
CA413119A true CA413119A (en) 1943-06-08

Family

ID=35522289

Family Applications (1)

Application Number Title Priority Date Filing Date
CA413119A Expired CA413119A (en) Telephone key pulsing sender

Country Status (1)

Country Link
CA (1) CA413119A (en)

Similar Documents

Publication Publication Date Title
CA413119A (en) Telephone key pulsing sender
CA417347A (en) Telephone impulse sender
CA411414A (en) Telephone impulse sending arrangement
CA413120A (en) Telephone call transmitter
CA414680A (en) Impulse sender
CA416352A (en) Telephone set
CA416046A (en) Telephone set
CA416045A (en) Telephone set
CA412794A (en) Telephone selective switch
CA415057A (en) Telephone system
CA410351A (en) Telephone system
CA414681A (en) Telephone system
CA414419A (en) Telephone system
CA413708A (en) Telephone system
CA413707A (en) Telephone system
CA413426A (en) Telephone system
CA409858A (en) Telephone system
CA413326A (en) Telephone system
CA409856A (en) Telephone system
CA413124A (en) Telephone system
CA412387A (en) Telephone system
CA411835A (en) Telephone system
CA411807A (en) Telephone system
CA411742A (en) Telephone system
CA411741A (en) Telephone system