CH329587A - Tragbarer Fernsprechapparat mit Ortsbatterie - Google Patents

Tragbarer Fernsprechapparat mit Ortsbatterie

Info

Publication number
CH329587A
CH329587A CH329587DA CH329587A CH 329587 A CH329587 A CH 329587A CH 329587D A CH329587D A CH 329587DA CH 329587 A CH329587 A CH 329587A
Authority
CH
Switzerland
Prior art keywords
portable telephone
local battery
battery
local
telephone
Prior art date
Application number
Other languages
English (en)
Inventor
Kunckel Heinz
Original Assignee
Kunckel Heinz
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 Kunckel Heinz filed Critical Kunckel Heinz
Publication of CH329587A publication Critical patent/CH329587A/de

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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62—Constructional arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
CH329587D 1955-04-05 1956-03-23 Tragbarer Fernsprechapparat mit Ortsbatterie CH329587A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE329587X 1955-04-05

Publications (1)

Publication Number Publication Date
CH329587A true CH329587A (de) 1958-04-30

Family

ID=6187208

Family Applications (1)

Application Number Title Priority Date Filing Date
CH329587D CH329587A (de) 1955-04-05 1956-03-23 Tragbarer Fernsprechapparat mit Ortsbatterie

Country Status (3)

Country Link
US (1) US2894075A (de)
CH (1) CH329587A (de)
GB (1) GB791895A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029312A (en) * 1957-11-13 1962-04-10 W C Dillon & Company Inc Communication system
DE1108748B (de) * 1959-08-04 1961-06-15 Standard Elektrik Lorenz Ag Schaltungsanordnung fuer mit einem Transistor ausgeruestete Teilnehmerstationen
US3147345A (en) * 1961-04-26 1964-09-01 Bell Telephone Labor Inc Gain selective telephone set
US3165590A (en) * 1961-12-29 1965-01-12 Bell Telephone Labor Inc Speech transmission through telephone ringing circuit
GB1039668A (en) * 1964-07-28 1966-08-17 Ass Elect Ind Improvements relating to telephone system substation circuits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1495295A (en) * 1924-05-27 Telephone circuits
US1752498A (en) * 1927-05-21 1930-04-01 Western Electric Co Telephone system
US2376367A (en) * 1943-05-13 1945-05-22 Standard Telephones Cables Ltd Field telephone system
US2762867A (en) * 1953-06-16 1956-09-11 Bell Telephone Labor Inc Subscriber telephone circuit
GB743024A (en) * 1953-07-01 1956-01-04 Gen Electric Co Ltd Improvements in or relating to telephone apparatus
US2686835A (en) * 1954-01-20 1954-08-17 Jay V Zimmerman Company Telephone and similar communication systems
US2808461A (en) * 1954-03-18 1957-10-01 Wheeler Insulated Wire Company Handset

Also Published As

Publication number Publication date
GB791895A (en) 1958-03-12
US2894075A (en) 1959-07-07

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