[go: up one dir, main page]

CA813996A - Telephone headset - Google Patents

Telephone headset

Info

Publication number
CA813996A
CA813996A CA813996A CA813996DA CA813996A CA 813996 A CA813996 A CA 813996A CA 813996 A CA813996 A CA 813996A CA 813996D A CA813996D A CA 813996DA CA 813996 A CA813996 A CA 813996A
Authority
CA
Canada
Prior art keywords
telephone headset
headset
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
CA813996A
Inventor
C. Hazell Norman
W. Bryant Herbert
W. Mosing Lionel
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 CA813996A publication Critical patent/CA813996A/en
Expired legal-status Critical Current

Links

CA813996A Telephone headset Expired CA813996A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA813996T

Publications (1)

Publication Number Publication Date
CA813996A true CA813996A (en) 1969-05-27

Family

ID=36286501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA813996A Expired CA813996A (en) Telephone headset

Country Status (1)

Country Link
CA (1) CA813996A (en)

Similar Documents

Publication Publication Date Title
CA950094A (en) Telephone calls simulator
CA919323A (en) Call-number monitors for telephones
CA931648A (en) Telephone handset connector
CA943204A (en) Telecommunication cables
CA871833A (en) Telephone paystation
CA813996A (en) Telephone headset
CA828830A (en) Telephone headset
AU2174070A (en) Telephone sets
CA920291A (en) Telephone dial
CA825269A (en) Telephone set
CA792307A (en) Telephone set
CA821114A (en) Earphone
CA803621A (en) Telephone plant
CA916326A (en) Telephone set switch-hook stop
AU438626B2 (en) Loudspeaker
AU444240B2 (en) Loudspeaker
AU447466B2 (en) Telephone subset
AU446594B2 (en) Telephone subset
AU1945070A (en) Microphone arrangement
AU461875B2 (en) Loudspeaking telephone subset
CA821115A (en) Microphone assembly
CA815122A (en) Telephone instrument
AU1881970A (en) Loudspeaker
AU1511470A (en) Loudspeaker
CA922030A (en) Telephone system