FR39382E - Coupling arrangement for telephone systems - Google Patents

Coupling arrangement for telephone systems

Info

Publication number
FR39382E
FR39382E FR39382DA FR39382E FR 39382 E FR39382 E FR 39382E FR 39382D A FR39382D A FR 39382DA FR 39382 E FR39382 E FR 39382E
Authority
FR
France
Prior art keywords
coupling arrangement
telephone systems
telephone
systems
coupling
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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 Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR39382E publication Critical patent/FR39382E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/40—Colouring or decolouring of foods
    • A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR39382D 1929-05-18 1930-10-13 Coupling arrangement for telephone systems Expired FR39382E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE696980X 1929-05-18

Publications (1)

Publication Number Publication Date
FR39382E true FR39382E (en) 1931-10-19

Family

ID=6607817

Family Applications (2)

Application Number Title Priority Date Filing Date
FR696980D Expired FR696980A (en) 1929-05-18 1930-05-17 Coupling arrangement for telephone systems
FR39382D Expired FR39382E (en) 1929-05-18 1930-10-13 Coupling arrangement for telephone systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR696980D Expired FR696980A (en) 1929-05-18 1930-05-17 Coupling arrangement for telephone systems

Country Status (3)

Country Link
DE (2) DE624051C (en)
FR (2) FR696980A (en)
NL (2) NL51701C (en)

Also Published As

Publication number Publication date
DE624051C (en) 1936-01-15
NL32889C (en)
NL51701C (en)
DE625010C (en) 1936-02-01
FR696980A (en) 1931-01-10

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