US1917724A - Telephone set - Google Patents

Telephone set Download PDF

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Publication number
US1917724A
US1917724A US609888A US60988832A US1917724A US 1917724 A US1917724 A US 1917724A US 609888 A US609888 A US 609888A US 60988832 A US60988832 A US 60988832A US 1917724 A US1917724 A US 1917724A
Authority
US
United States
Prior art keywords
telephone
case
micro
box
hand
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
US609888A
Other languages
English (en)
Inventor
Kvaal Albert
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of US1917724A publication Critical patent/US1917724A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the present invention relates to the design of the case for such subscribers telephones in which the support for the micro-telephone 'is made integral with the case.
  • Such cases i
  • inostl made of a mouldable mass, for in stance ba elite. Elevated parts on the upper side of the case form supporting ribs for the micro-telephone which supporting ribs are provided with notches in which the microtele hone is intended to rest. For the convement handling of the apparatus it is desirable to make said notches comparatively shal low so that the micro-telephone, when relaced, will easily fall down into the notches.
  • the side faces o' the case and/or of tile supporting ribs for the micro-telephone are bent outwards at the rear end of the case in order to prevent an oscillation of the micro-telephone about the axis of the handle, so that through this shapin of the case stops are formed for the microp one and for the telephone receiver.
  • the tendency of the micro-telephone to oscillate rapidly upon being replaced will hereby be eectively counteracted, a holdingl device for the micro-telephone being thus provided which works safely also upon careless handling.
  • Figure 1 is a lon itudinal section through a subscribers telep one case according to the invention.
  • Figure 2 shows a section through the case on the line 2-2 in Figure l with the micro-telephone resting on the case.
  • Figure 3- is a top plan of the telephone y case with appertaining micro-telephone.
  • the support or resting place for the microtelephone 5 is formed by elevated portions 809,888, and in Germany April 4, 1931.
  • each of the ribs 2, 3 is provided with a notch 4, the two notches serving as supports for the micro-telephone 5. ln the lower part of each notch is disposed a push button or a push rod 6 which is adapted to move reely in a vertical bore 7.
  • the lower ends 8 of said push buttons or push rods engage an elasticall supported contact arm 9 in the interior o the apparatus, the push buttons or push rods being pressed ulpwards by means of a spring 10 acting on t e arm 9.
  • buttons 6 When placing the micro-telephone in the position on the case intended or this pur pose the buttons 6 will be pressed downwards causing the operation of the contact in the interior of the case.
  • a telephone desk set comprising a casing. a hand telephone having a receiver box and a microphone box at the ends of a handle, a hand telephone support on the top of the casing, and extensions of the side walls of the casing located close behind and forming stops Figures 2 ⁇ and 3 the' for the receiver box and the microphone box respectively to revent swinging movements of the hand te ephone.
  • a telephone desk set comprising a casing, a han telephone having a receiver box and a micro hone box at the ends of a handle, a support or said handl telephone and extenslons of said sup ort located close behind and forming stops or the receiver box and the microphone box respectively to prevent swinging movements of the hand telephone.
  • a telephone desk set comprising a casing, a hand telephone having a receiver box and a microphone box at the ends of a handle, and ribs on said casing forming supports for said hand telephone and havin rear extensions located close behind and orming stops for the receiver box and the microphonel box respectively to prevent swinging movements of the hand telephone.
  • a telephone desk set comprising a cas- In testimony whereof I have signed my l name to this specication.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
US609888A 1931-04-04 1932-05-07 Telephone set Expired - Lifetime US1917724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE399202X 1931-04-04

Publications (1)

Publication Number Publication Date
US1917724A true US1917724A (en) 1933-07-11

Family

ID=6397458

Family Applications (1)

Application Number Title Priority Date Filing Date
US609888A Expired - Lifetime US1917724A (en) 1931-04-04 1932-05-07 Telephone set

Country Status (5)

Country Link
US (1) US1917724A (enrdf_load_stackoverflow)
BE (1) BE387570A (enrdf_load_stackoverflow)
FR (1) FR734592A (enrdf_load_stackoverflow)
GB (1) GB399202A (enrdf_load_stackoverflow)
NL (1) NL35621C (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433295A (en) * 1944-11-10 1947-12-23 Automatic Elect Lab Loud-speaker telephone set
US2443799A (en) * 1943-06-02 1948-06-22 Ericsson Telefon Ab L M Cradle-type telephone subset
US2686848A (en) * 1951-06-11 1954-08-17 Arthur H Wicknick Handset cradling attachment for telephones
US4790008A (en) * 1986-04-18 1988-12-06 American Telephone And Telegraph Company Telephone line switch apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE541779A (enrdf_load_stackoverflow) * 1954-10-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443799A (en) * 1943-06-02 1948-06-22 Ericsson Telefon Ab L M Cradle-type telephone subset
US2433295A (en) * 1944-11-10 1947-12-23 Automatic Elect Lab Loud-speaker telephone set
US2686848A (en) * 1951-06-11 1954-08-17 Arthur H Wicknick Handset cradling attachment for telephones
US4790008A (en) * 1986-04-18 1988-12-06 American Telephone And Telegraph Company Telephone line switch apparatus

Also Published As

Publication number Publication date
BE387570A (enrdf_load_stackoverflow)
NL35621C (enrdf_load_stackoverflow)
GB399202A (en) 1933-10-02
FR734592A (fr) 1932-10-24

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