CA107608A - Appareil a signal telephonique - Google Patents

Appareil a signal telephonique

Info

Publication number
CA107608A
CA107608A CA000107608A CA107608DA CA107608A CA 107608 A CA107608 A CA 107608A CA 000107608 A CA000107608 A CA 000107608A CA 107608D A CA107608D A CA 107608DA CA 107608 A CA107608 A CA 107608A
Authority
CA
Canada
Prior art keywords
signalling apparatus
telephone signalling
telephone
signalling
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
CA000107608A
Other languages
English (en)
Inventor
M.L. Lane
W.E. Butler
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA107608A publication Critical patent/CA107608A/fr
Expired legal-status Critical Current

Links

CA000107608A 1907-05-23 1907-05-23 Appareil a signal telephonique Expired CA107608A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA107608T 1907-05-23

Publications (1)

Publication Number Publication Date
CA107608A true CA107608A (fr) 1907-09-24

Family

ID=45227335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000107608A Expired CA107608A (fr) 1907-05-23 1907-05-23 Appareil a signal telephonique

Country Status (1)

Country Link
CA (1) CA107608A (fr)

Similar Documents

Publication Publication Date Title
CA107608A (fr) Appareil a signal telephonique
CA116509A (fr) Appareil telephonique
CA107617A (fr) Appareil telephonique a plusieurs appels
CA113346A (fr) Appareil de signaux electriques
CA116522A (fr) Appareil a repetition pour telephones
CA122446A (fr) Appareil d'echange telephonique
CA107303A (fr) Systeme telephonique
CA109269A (fr) Systeme telephonique
CA112942A (fr) Systeme de telephone
CA117555A (fr) Systeme de telephones
CA113454A (fr) Appareil de signalement d'aerotelegraphie
CA106746A (fr) Telephone
CA109271A (fr) Telephone
AU951507A (en) Improvements in signalling apparatus
CA126102A (fr) Systeme ou appareil de dictee par telephone
CA107301A (fr) Transmetteur telephonique
CA112224A (fr) Transmetteur telephonique
CA113432A (fr) Transmetteur telephonique
CA110208A (fr) Declic a telephones
CA109311A (fr) Appareil cycloramique
CA116011A (fr) Appareil medical pour pneumoniques
CA106863A (fr) Appareil de telephone et de telegraphe
CA110415A (fr) Appareil de signaux pour chemins de fer
CA110414A (fr) Appareil de signaux pour chemins de fer
CA110413A (fr) Appareil de signaux pour chemins de fer