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GB2160071B - Telephone subset - Google Patents

Telephone subset

Info

Publication number
GB2160071B
GB2160071B GB08512274A GB8512274A GB2160071B GB 2160071 B GB2160071 B GB 2160071B GB 08512274 A GB08512274 A GB 08512274A GB 8512274 A GB8512274 A GB 8512274A GB 2160071 B GB2160071 B GB 2160071B
Authority
GB
United Kingdom
Prior art keywords
telephone subset
subset
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
GB08512274A
Other versions
GB2160071A (en
GB8512274D0 (en
Inventor
Rainer Zimmermann
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB8512274D0 publication Critical patent/GB8512274D0/en
Publication of GB2160071A publication Critical patent/GB2160071A/en
Application granted granted Critical
Publication of GB2160071B publication Critical patent/GB2160071B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB08512274A 1984-05-26 1985-05-15 Telephone subset Expired GB2160071B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843419825 DE3419825A1 (en) 1984-05-26 1984-05-26 TELEPHONE DEVICE WITH TONE CALL DEVICE

Publications (3)

Publication Number Publication Date
GB8512274D0 GB8512274D0 (en) 1985-06-19
GB2160071A GB2160071A (en) 1985-12-11
GB2160071B true GB2160071B (en) 1987-06-03

Family

ID=6237017

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08512274A Expired GB2160071B (en) 1984-05-26 1985-05-15 Telephone subset

Country Status (2)

Country Link
DE (1) DE3419825A1 (en)
GB (1) GB2160071B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2574079B1 (en) * 2006-03-24 2014-06-25 Sennheiser electronic GmbH & Co. KG Headphone with a volume controller unit

Also Published As

Publication number Publication date
GB2160071A (en) 1985-12-11
DE3419825A1 (en) 1985-11-28
GB8512274D0 (en) 1985-06-19

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee