US2359570A - Telephone handset - Google Patents

Telephone handset Download PDF

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Publication number
US2359570A
US2359570A US438774A US43877442A US2359570A US 2359570 A US2359570 A US 2359570A US 438774 A US438774 A US 438774A US 43877442 A US43877442 A US 43877442A US 2359570 A US2359570 A US 2359570A
Authority
US
United States
Prior art keywords
transmitter
capsule
receiver
cord
prongs
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 - Lifetime
Application number
US438774A
Other languages
English (en)
Inventor
Ernest S Mclarn
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority to BE467896D priority Critical patent/BE467896A/xx
Priority to NL69282D priority patent/NL69282C/xx
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Priority to US438774A priority patent/US2359570A/en
Application granted granted Critical
Publication of US2359570A publication Critical patent/US2359570A/en
Priority to FR938206D priority patent/FR938206A/fr
Priority to CH270405D priority patent/CH270405A/de
Priority to DEI2995A priority patent/DE857819C/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the hand set comprises a supporting shell I of molded thermoplastic material formed with a handle portion and two enlarged ends provided with cavities 2 and 3 for accommodating a transmitter capsule 6 and a receiver capsule I.
  • a supporting shell I of molded thermoplastic material formed with a handle portion and two enlarged ends provided with cavities 2 and 3 for accommodating a transmitter capsule 6 and a receiver capsule I.
  • the channel 4 is formed with a cross section which corresponds substantially to the cross section of the cord 5 which is threaded therein and lies across the bottom of the transmitter electrodes (not shown) of the transmitter.
  • 'Ihe prongs to, I! are arranged symmetically with respect to the circular base of the transmitter capsule 5, the case of which is preferably made of molded thermoplastic material and is formed with a pair of diametrically opposite ridges l4,
  • a telephone transducer comprising a supporting shell, a transducer element, a cavity in said shell for accommodating said transducer element, a channel formed in the base of said cavity, a conductor cord comprising a plurality of parallel conductors positioned in said channel, a plurality of electrical connectors mounted on the base of said transducer capsule, each said connector having at least one rearwardly projecting prong, a peripheral lip on said transducer capsule, a seating for said lip on said supporting shell at the edge of said cavity, and a threaded cap formed with an abutment which when said cap is screwed onto said shell forces said lip against said seating, the distance from the points of said prongs to said lip being such that when said lip is forced against its seating by the act of vided on its ,base with projecting members so positioned that when said lip is forced against its seating said projecting members engage and compress the cord in said channel on each side of said prongs, the edges of said projecting members being formed with a recess conformin to the contour of said

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
US438774A 1942-04-13 1942-04-13 Telephone handset Expired - Lifetime US2359570A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BE467896D BE467896A (enrdf_load_stackoverflow) 1942-04-13
NL69282D NL69282C (enrdf_load_stackoverflow) 1942-04-13
US438774A US2359570A (en) 1942-04-13 1942-04-13 Telephone handset
FR938206D FR938206A (fr) 1942-04-13 1946-04-01 Postes téléphoniques
CH270405D CH270405A (de) 1942-04-13 1947-09-30 Mikrotelephon.
DEI2995A DE857819C (de) 1942-04-13 1950-10-01 Herstellung einer Verbindung zwischen den Kapseln eines Mikrotelephons und der Verbindungsschnur

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
US2359570A true US2359570A (en) 1944-10-03

Family

ID=23741957

Family Applications (1)

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

Country Status (6)

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

Cited By (2)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727328C1 (de) * 1987-08-17 1988-09-15 Telefonbau & Normalzeit Gmbh Handapparat

Cited By (2)

* 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

Also Published As

Publication number Publication date
DE857819C (de) 1952-12-01
NL69282C (enrdf_load_stackoverflow)
FR938206A (fr) 1948-09-08
BE467896A (enrdf_load_stackoverflow)
CH270405A (de) 1950-08-31

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