CH270405A - Mikrotelephon. - Google Patents

Mikrotelephon.

Info

Publication number
CH270405A
CH270405A CH270405DA CH270405A CH 270405 A CH270405 A CH 270405A CH 270405D A CH270405D A CH 270405DA CH 270405 A CH270405 A CH 270405A
Authority
CH
Switzerland
Prior art keywords
microphone
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Ag Standard Telephon Und Radio
Original Assignee
Standard Telephon & Radio 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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH270405A publication Critical patent/CH270405A/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
CH270405D 1942-04-13 1947-09-30 Mikrotelephon. CH270405A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US438774A US2359570A (en) 1942-04-13 1942-04-13 Telephone handset

Publications (1)

Publication Number Publication Date
CH270405A true CH270405A (de) 1950-08-31

Family

ID=23741957

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270405D CH270405A (de) 1942-04-13 1947-09-30 Mikrotelephon.

Country Status (6)

Country Link
US (1) US2359570A (ko)
BE (1) BE467896A (ko)
CH (1) CH270405A (ko)
DE (1) DE857819C (ko)
FR (1) FR938206A (ko)
NL (1) NL69282C (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235674A (en) * 1962-06-29 1966-02-15 Ericsson Telefon Ab L M Arrangement in hand microtelephones
US3274530A (en) * 1963-11-05 1966-09-20 Charles E Michaely Tinsel wire connector
DE3727328C1 (de) * 1987-08-17 1988-09-15 Telefonbau & Normalzeit Gmbh Handapparat

Also Published As

Publication number Publication date
BE467896A (ko)
DE857819C (de) 1952-12-01
FR938206A (fr) 1948-09-08
US2359570A (en) 1944-10-03
NL69282C (ko)

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