FR726120A - Improvements to telephone sets - Google Patents

Improvements to telephone sets

Info

Publication number
FR726120A
FR726120A FR726120DA FR726120A FR 726120 A FR726120 A FR 726120A FR 726120D A FR726120D A FR 726120DA FR 726120 A FR726120 A FR 726120A
Authority
FR
France
Prior art keywords
telephone sets
telephone
sets
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
Other languages
French (fr)
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.)
Automatic Telephone Manufacturing Co Ltd
Original Assignee
Automatic Telephone Manufacturing Co Ltd
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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of FR726120A publication Critical patent/FR726120A/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)
  • Suspension Of Electric Lines Or Cables (AREA)
FR726120D 1930-11-11 1931-11-09 Improvements to telephone sets Expired FR726120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3398130A GB366609A (en) 1930-11-11 1930-11-11 Improvements in or relating to telephone sets

Publications (1)

Publication Number Publication Date
FR726120A true FR726120A (en) 1932-05-23

Family

ID=10359855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726120D Expired FR726120A (en) 1930-11-11 1931-11-09 Improvements to telephone sets

Country Status (3)

Country Link
BE (1) BE384073A (en)
FR (1) FR726120A (en)
GB (1) GB366609A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0416006D0 (en) 2004-07-16 2004-08-18 Alaris Medical U K Ltd Infusion apparatus

Also Published As

Publication number Publication date
BE384073A (en)
GB366609A (en) 1932-02-11

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