ES356031A1 - Un aparato telefonico. - Google Patents

Un aparato telefonico.

Info

Publication number
ES356031A1
ES356031A1 ES356031A ES356031A ES356031A1 ES 356031 A1 ES356031 A1 ES 356031A1 ES 356031 A ES356031 A ES 356031A ES 356031 A ES356031 A ES 356031A ES 356031 A1 ES356031 A1 ES 356031A1
Authority
ES
Spain
Prior art keywords
handset
recess
base
tone
calling
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
ES356031A
Other languages
English (en)
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of ES356031A1 publication Critical patent/ES356031A1/es
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
    • 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)
ES356031A 1967-07-12 1968-07-11 Un aparato telefonico. Expired ES356031A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32021/67A GB1223421A (en) 1967-07-12 1967-07-12 Improvements in or relating to telephone instruments

Publications (1)

Publication Number Publication Date
ES356031A1 true ES356031A1 (es) 1969-12-16

Family

ID=10331873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES356031A Expired ES356031A1 (es) 1967-07-12 1968-07-11 Un aparato telefonico.

Country Status (5)

Country Link
US (1) US3594515A (es)
DE (1) DE1762574A1 (es)
ES (1) ES356031A1 (es)
GB (1) GB1223421A (es)
SE (1) SE355918B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039760A (en) * 1974-03-11 1977-08-02 Teletronics United Inc. Cordless telephone system
US3924073A (en) * 1974-09-26 1975-12-02 Horst Brandstatter Home intercom telephone set
US4001506A (en) * 1974-09-26 1977-01-04 Horst Brandstatter Home intercom telephone set
US4251694A (en) * 1979-08-16 1981-02-17 Western Electric Company, Inc. Tone-ringing circuits and methods for telephone sets
US4315109A (en) * 1979-11-20 1982-02-09 Sava Jacobson Electronic ring sounder for a speaker telephone
US4636585A (en) * 1983-07-08 1987-01-13 Geobra Brandstatter Gmbh & Co. Kg Telephone installations
DE3420586A1 (de) * 1984-06-01 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Kompaktfernsprecher
US20070049361A1 (en) * 2005-08-26 2007-03-01 Coote Paul S Side mounted wireless headset

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392321A (en) * 1944-05-30 1946-01-08 Bell Telephone Labor Inc Desk telephone set
US2699469A (en) * 1951-05-23 1955-01-11 Connecticut Telephone And Elec Telephone instrument
US2850583A (en) * 1955-05-16 1958-09-02 North Electric Co Telephone desk set
DE1058562B (de) * 1958-02-17 1959-06-04 Fernsprecher Ges M B H Deutsch Fernsprechapparat mit Gleitbahnen fuer den Handhoerer
US2972021A (en) * 1958-07-03 1961-02-14 Bell Telephone Labor Inc Telephone substation apparatus
US3073911A (en) * 1960-05-11 1963-01-15 Bell Telephone Labor Inc Telephone set
GB1039668A (en) * 1964-07-28 1966-08-17 Ass Elect Ind Improvements relating to telephone system substation circuits

Also Published As

Publication number Publication date
DE1762574A1 (de) 1970-07-02
GB1223421A (en) 1971-02-24
US3594515A (en) 1971-07-20
SE355918B (es) 1973-05-07

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