ES181831A1 - Mejoras en microteléfonos - Google Patents

Mejoras en microteléfonos

Info

Publication number
ES181831A1
ES181831A1 ES0181831A ES181831A ES181831A1 ES 181831 A1 ES181831 A1 ES 181831A1 ES 0181831 A ES0181831 A ES 0181831A ES 181831 A ES181831 A ES 181831A ES 181831 A1 ES181831 A1 ES 181831A1
Authority
ES
Spain
Prior art keywords
support
units
microphones
handsets
govern
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
ES0181831A
Other languages
English (en)
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES181831A1 publication Critical patent/ES181831A1/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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
ES0181831A 1945-04-06 1948-01-24 Mejoras en microteléfonos Expired ES181831A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US586861A US2485574A (en) 1945-04-06 1945-04-06 Telephone handset

Publications (1)

Publication Number Publication Date
ES181831A1 true ES181831A1 (es) 1948-03-01

Family

ID=24347388

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0181831A Expired ES181831A1 (es) 1945-04-06 1948-01-24 Mejoras en microteléfonos

Country Status (3)

Country Link
US (1) US2485574A (ja)
BE (1) BE469339A (ja)
ES (1) ES181831A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049597A (en) * 1957-07-01 1962-08-14 John C Tapio Telephone sterilizer
US3073911A (en) * 1960-05-11 1963-01-15 Bell Telephone Labor Inc Telephone set
US4151467A (en) * 1976-10-18 1979-04-24 Rca Corporation Switched microphone hang-up bracket
US4837819A (en) * 1987-12-08 1989-06-06 Northern Telecom Limited Security handset
US4942605A (en) * 1987-12-08 1990-07-17 Northern Telecom Limited Security handset

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1830035A (en) * 1930-07-11 1931-11-03 Louis J Loeffler Telephone hand set
US1918801A (en) * 1931-10-22 1933-07-18 Charles H J Dilg Telephone set

Also Published As

Publication number Publication date
US2485574A (en) 1949-10-25
BE469339A (ja)

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